CN105812185A - A communication connection method for a playback device - Google Patents

Abstract

The embodiment of the invention discloses a communication connection method of playing equipment, which comprises the following steps: when first playing equipment which has established Bluetooth connection in an audio and video playing system receives a Bluetooth connection request of an intelligent terminal, the first playing equipment is switched to establish Bluetooth connection with the intelligent terminal; the first playing device transmits the wireless network information of the audio and video playing system to the intelligent terminal, so that the intelligent terminal is accessed to the wireless network of the audio and video playing system through the wireless network information. When the intelligent terminal cannot be accessed to the audio and video playing system through Bluetooth, the audio and video playing system automatically configures WIFI connection for the intelligent terminal, and when a plurality of intelligent terminals need to be connected to the audio and video playing system and the Bluetooth connection cannot meet the requirement, the audio and video playing system can also automatically set a WIFI connection channel for the intelligent terminal, so that the communication connection method is not limited by Bluetooth communication bandwidth, and the data transmission rate is improved.

Description

A communication connection method for a playback device

technical field

The embodiment of the present invention relates to communication technologies, and in particular to a communication connection method for a playback device.

Background technique

Existing audio and video playback systems usually include multiple playback devices, and each playback device is integrated with wireless communication technologies, such as WIFI and Bluetooth.

Multiple playback devices can form a private network through WIFI, one of which is connected to the router as the master device, and the other playback devices are called slave devices. The smart terminal establishes a connection with the main device through WIFI. The main device coordinates and controls the work of the entire audio and video playback system according to the control commands of the smart terminal, and returns the status information of the audio and video playback system and each playback device to the smart terminal. The main device It also receives audio and video data from smart terminals and controls the entire audio and video playback system for audio and video playback.

The smart terminal can also establish a connection with any playback device in the audio and video playback system via Bluetooth. According to the bluetooth connection, the smart terminal obtains various status information of the audio and video playback system (such as the number and name of playback devices, audio and video playback status, etc.) from the playback device, and transmits audio and video data to the playback device.

Regardless of whether the smart terminal is connected to the playback device through WIFI or Bluetooth, it can realize the control of the audio and video playback system. However, a playback device can only communicate with one smart terminal through Bluetooth. When a new smart terminal needs to communicate, it is limited by the Bluetooth communication bandwidth, which greatly affects the data transmission rate. At this time, the Bluetooth connection cannot meet the requirements of the new smart terminal. access to smart terminals.

Contents of the invention

An embodiment of the present invention provides a communication connection method for a playback device to solve the problems in the prior art that the data transmission rate is low and the bluetooth connection cannot meet the access of new intelligent terminals.

In a first aspect, an embodiment of the present invention provides a communication connection method for a playback device, the method comprising:

When the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal;

The first playback device transmits the wireless network information of the audio and video playback system to the smart terminal, so that the smart terminal accesses the wireless network of the audio and video playback system through the wireless network information.

Further, when the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request from the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal, including:

When the first playback device receives the Bluetooth connection request, the first playback device queries the Bluetooth connection information of other playback devices in the audio and video playback system;

If the first playback device inquires that the other playback devices are in a state of refusing Bluetooth connections, the first playback device switches to establish a Bluetooth connection with the smart terminal.

Further, before the first playback device switches to establish a Bluetooth connection with the smart terminal, the method further includes: disconnecting the currently established Bluetooth connection by the first playback device.

Further, the bluetooth connection rejection state of the other playback device at least includes: the other playback device has established a bluetooth connection with the bluetooth device, and/or, the other playback device is playing audio and video.

Further, the wireless network information includes at least: a service set identifier and a wireless network password of a router connected to the audio and video playback system.

Further, it also includes:

After the first playback device transmits the wireless network information to the smart terminal, the first playback device disconnects the Bluetooth connection with the smart terminal, and restores the initially established Bluetooth connection.

In the second aspect, the embodiment of the present invention also provides a communication connection method for a playback device, the method comprising:

When the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal;

The first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system to the smart terminal, so that the smart terminal can establish a Bluetooth connection with the playback device that has not established a Bluetooth connection. connect.

Further, when the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request from the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal, including:

When the first playback device receives the Bluetooth connection request, the first playback device queries the Bluetooth connection information of other playback devices in the audio and video playback system;

If the first playback device inquires that the other playback devices are in a state of refusing Bluetooth connections, the first playback device switches to establish a Bluetooth connection with the smart terminal.

Further, before the first playback device switches to establish a Bluetooth connection with the smart terminal, the method further includes: disconnecting the currently established Bluetooth connection by the first playback device.

Further, the bluetooth connection rejection state of the other playback devices at least includes: at least one of the other playback devices has not established a bluetooth connection and is playing audio and video, and the rest of the other playback devices have connected to the corresponding Bluetooth device to establish a Bluetooth connection.

Further, it also includes:

After the first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection to the smart terminal, the first playback device disconnects the Bluetooth connection with the smart terminal and restores the initial establishment Bluetooth connection.

In the communication connection method of the playback device provided by the present invention, when the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches from the current Bluetooth connection to the smart terminal. Establish a Bluetooth connection, and transmit the wireless network information of the audio and video playback system to the smart terminal through the Bluetooth connection, so that the smart terminal can access the wireless network of the audio and video playback system through the wireless network information. In this technical solution, when the smart terminal cannot access the audio and video playback system through Bluetooth, the first playback device switches to establish a Bluetooth connection with the smart terminal and send wireless network information, so that the audio and video playback system automatically configures the WIFI connection for the smart terminal; There are multiple smart terminals that need to be connected to the audio and video playback system, and when the Bluetooth connection cannot meet the requirements, the audio and video playback system can also automatically set the WIFI connection channel for the smart terminals, so the communication connection method provided by the present invention is not limited to Bluetooth The communication bandwidth increases the data transfer rate.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1A is the schematic diagram of a kind of network formation of the audio and video playing system provided by the present invention;

FIG. 1B is a schematic diagram of another network configuration of the audio and video playback system provided by the present invention;

Fig. 2 is the structural diagram of playing equipment in the audio-video playing system provided by the present invention;

FIG. 3A is a flowchart of a communication connection method for a playback device provided in Embodiment 1 of the present invention;

FIG. 3B is a flow chart of another communication connection method for a playback device provided in Embodiment 1 of the present invention;

FIG. 4 is a schematic diagram of a communication connection device of a playback device provided in Embodiment 2 of the present invention;

FIG. 5A is a flowchart of a communication connection method for a playback device provided in Embodiment 3 of the present invention;

FIG. 5B is a flow chart of another communication connection method for a playback device provided in Embodiment 3 of the present invention;

FIG. 6 is a schematic diagram of a communication connection device of a playback device provided in Embodiment 4 of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The audio and video playback system provided by the present invention is composed of multiple playback devices, which integrate network communication functions, especially wireless communication technologies, such as WIFI modules and Bluetooth modules integrated in the playback devices. It should be noted that other communication modules can optionally be integrated in the playback device for communication connection, such as a MESH module, but the communication technology in the playback device is not limited in the present invention.

Multiple playback devices in the audio and video playback system can form a private network through WIFI, which can connect playback devices in different areas in the audio and video playback system. At the same time, the audio and video playback system can also be connected to the Internet through WIFI to obtain audio and video resources from the Internet. In addition, the audio and video playback system can be controlled by a smart terminal, which is installed with a corresponding control client and connected to the audio and video playback system through WIFI to access and control the audio and video playback system. The audio and video resources are pushed to the audio and video playback system for playback. Here, the optional smart terminal is a smart phone, a tablet computer, etc., but the smart terminal is not limited in the present invention.

Multiple playback devices in the audio and video playback system can also be connected to various audio source devices that also have a Bluetooth module through Bluetooth, wherein the audio source device can be used as an independent device, or the audio source device can also be integrated into a smart terminal for application. The audio source device transmits the audio and video data to the playback device for playback via Bluetooth. This Bluetooth-enabled playback device has been widely used, such as various existing Bluetooth speakers and Bluetooth headsets. In the audio and video playback system, the playback device can not only play the audio and video data from the audio source device itself, but also transmit these audio and video data to other playback devices in the audio and video playback system through the built-in WIFI of the playback device, so as to realize multiple The playback device plays audio and video synchronously. Here, the optional audio source device is a music player, a video player, etc., but the audio source device is not limited in the present invention.

In addition to playing audio and video data on the Internet and audio source devices, the audio and video playback system can also play audio and video data stored locally, such as a playback device playing audio and video data stored in its internal memory, or a playback device playing audio and video data stored in It can play the audio and video data on the external memory (U disk), or play the audio and video data stored on the intelligent terminal, or play the audio and video data on other accessible devices in the local area network (such as the network attached storage NAS server).

In the present invention, the audio and video playback system composed of multiple playback devices can work as a whole, that is, all playback devices in the audio and video playback system play the same audio and video data synchronously, and the user can use the integrated in the smart terminal The control client controls the audio and video playback system to work as a whole.

In the present invention, multiple playback devices in the audio and video playback system can also be divided into several playback groups. Multiple playback devices in one playback group play the same audio and video data synchronously, and different playback groups play different audio and video data respectively. For example, there are 6 playback devices A, B, C, D, E, and F in the audio and video playback system. Among them, the playback devices A and B form the playback group 1, the playback devices C and D form the playback group 2, and the playback devices E and F makes up play group 3. Playback devices A and B in playgroup 1 play the same song synchronously, playback devices C and D in playgroup 2 play the same song synchronously, and playback devices E and F in playgroup 3 play the same song synchronously. But play group 1, play group 2 and play group 3 are independent of each other, they can play the same song or different songs respectively. Each playback group can accept the control of different smart terminals, and can also accept the control of the same smart terminal.

An example is provided here to illustrate the audio and video playback system. Wherein, the smart terminal is the smart phone of the user, and the audio source device is integrated in the smart phone of the user, specifically a QQ music player in the smart phone. The user pairs and connects the smartphone with the Bluetooth module of a playback device in the audio and video playback system, and sets multiple playback devices (such as 3 playback devices) in the audio and video playback system to play music together, then the user turns on the smart phone. When the QQ music player on the mobile phone plays songs, the three playback devices in the above-mentioned audio and video playback system will simultaneously play the songs selected by the user on the QQ music player.

It is known that multiple playback devices in the audio and video playback system form a private network through WIFI, and each playback device can exchange control information and audio and video data through the private network. In the private network of the audio and video playback system, at least one playback device is connected to the router through wired or wireless means, then the playback device connected to the router is called the main device of the audio and video playback system, and other playback devices that are not connected to the router It is called the slave device of the audio and video playback system.

On the one hand, the audio and video playback system can access the Internet and local area network through the main device, and obtain audio and video data or audio and video files from the Internet and local area network for playback. On the other hand, each smart terminal connected to the audio and video playback system is actually the main device connected to the audio and video playback system. The main device receives control commands from the smart terminal and coordinates and controls the work of the entire audio and video playback system. Return the status information of the audio and video playback system and each playback device to the smart terminal. The master device exchanges control information and status information with other slave devices in the audio and video playback system through the private network, and realizes synchronous playback of multiple playback devices in the audio and video playback system through these control information and status information.

On the basis of the above description, an example is provided here to illustrate the network construction method of the audio and video playback system. As shown in Fig. 1A, it is a kind of network construction mode of the audio and video playback system, wherein, the audio and video playback system 10 includes playback device 11, playback device 12, playback device 13 and playback device 14, and these 4 playback devices are connected by wireless To establish a communication connection, here you can choose to use MESH network technology to establish a private network. The playback device 11 is the master device of the audio and video playback system 10, and other playback devices are slave devices. The playback device 11 establishes a wired connection with the wireless router 20, and the wireless router 20 establishes a connection with the Internet 30. After the smart phone 40 is connected to the wireless router 20, it can access and control the playback devices in the private network of the audio and video playback system 10.

The user selects the song that wants to play on the smart phone 10, then the smart phone 10 will send the song information (such as the network music server and the uniform resource locator URL that song title, song is stored in) to the playback device 11 selected by the user; The playback device 11 is connected to the Internet/local area network 30 according to the song information, and downloads the audio and video data of the song. The playback device 11 decodes and plays the downloaded audio and video data, and also sends the decoded audio and video data to the playback device 12, the playback device 13 and the playback device 14 of the audio and video playback system 10 through the private network, so that the four playback devices play synchronously the same song.

On the basis of Fig. 1A, another network construction method of the audio and video playback system is shown in Fig. 1B. The difference between the network construction method shown in Fig. 1B and Fig. is a wireless connection.

It can be seen that the smart terminal can establish a communication connection with the audio and video playback system through wireless communication technologies such as WIFI, and can also establish a Bluetooth connection with a playback device in the audio and video playback system through Bluetooth, thereby establishing communication with the audio and video playback system. connect. Regardless of WIFI, Bluetooth, or other communication methods, the smart terminal can realize the control of the audio and video playback system, and obtain various status information of each playback device (such as the number, name, and music playback status, etc.).

The above is the description of the audio and video playback system provided by the present invention, and the playback devices in the audio and video playback system are also described here, and each playback device in the audio and video playback system has a similar structure. As shown in FIG. 2 , the functional modules of a playback device mainly include the following: a processor 51 , a Bluetooth module 52 , a network interface 53 , an audio and video amplification module 54 , a speaker 55 and a memory 56 .

Wherein, the processor 51 is the core device of the playback device, and is used for executing the control program, communicating with other functional modules, and coordinating and controlling the work of each functional module.

The bluetooth module 52 can realize the bluetooth communication between the playback device and other devices, so that the playback device can establish a connection with a sound source device (such as a smart phone) that also has a bluetooth function through bluetooth technology, and obtain audio and video data or control data from the sound source device. The Bluetooth module 52 transmits the acquired audio and video data and control data to the processor 51, and also sends the audio and video data and control data transmitted by the processor 51 to other Bluetooth devices.

The network interface 53 may be a wired network interface, or a wireless network interface conforming to the 802.11 specification. The processor 51 can be connected to the Internet through the network interface 53 to obtain network streaming music data. Through the network interface 53, especially in the form of a wireless network, multiple playback devices can form a wireless audio and video playback system to realize synchronous playback of audio and video data. Usually, each smart terminal is also connected to the audio and video playback system through a wireless network (such as WIFI), and operates and controls the audio and video playback system and playback devices in the system.

The processor 51 sends the obtained audio and video data to the audio and video amplification module 54 after decoding or digital/analog conversion. The audio and video amplification module 54 receives the audio and video data processed by the processor 51 , and amplifies the power of the analog audio and video signals sent by the processor to drive the speaker 55 to produce sound.

The speaker 55 is the sound reproduction part of the playback device. The number of speakers 55 in a playback device can be one or more.

The memory 56 is used to store the control program executed by the processor 51 and some configuration data of the audio and video playback system, such as network connection data, volume information, group information, and a list of played songs.

To sum up, the smart terminal can connect to the audio and video playback system through the WIFI network, or connect to a playback device in the audio and video playback system through Bluetooth to control the audio and video playback system. In the audio and video playback system, the main device is responsible for receiving the control commands sent by the smart terminal and forwarding them to other playback devices for execution, and feeding back the status information of each playback device to the smart terminal. If the playback device that the smart terminal is connected to via Bluetooth is not the main device, the playback device will forward the received Bluetooth data to the main device through the private network in the audio and video playback system, and at the same time forward the data returned by the main device to the smart terminal.

On the basis of the audio and video playback system and playback device described above, Figure 3A is a flow chart of the communication connection method of the playback device provided by Embodiment 1 of the present invention. This embodiment can be applied to the situation where the connection channel is automatically set for the smart terminal , the method can be executed by the communication connection device of the playback device, the communication connection device can be realized by software and/or hardware, and configured to be applied in the playback device.

The communication connection method of the playback device provided in this embodiment specifically includes the following steps:

S110. When the first playback device in the audio and video playback system that has established a Bluetooth connection receives a Bluetooth connection request from the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal.

In this embodiment, the audio and video playback system includes a plurality of playback devices, wherein the playback devices are integrated with a WIFI module and a Bluetooth module, and the playback devices in the audio and video playback system form a network of the audio and video playback system through WIFI. Playback devices at different locations are connected. The playback device can also be connected to the audio source device through Bluetooth, and the audio source device accesses and controls a certain playback device through Bluetooth, and can transmit audio and video data to the playback device for playback.

In this embodiment, the first playback device may be any playback device in the audio and video playback system. The first playback device has connected to the network of the audio and video playback system through WIFI, and also establishes a connection with a certain audio source device through Bluetooth, and the audio source device sends audio and video data to the first playback device through Bluetooth. Those skilled in the art can understand that the audio source device can be integrated in the smart terminal, or can be an independent device that provides audio and video data.

In this embodiment, when the smart terminal establishes a connection with the first playback device via Bluetooth, the smart terminal sends a Bluetooth connection request to the first playback device, and the first playback device receives the Bluetooth connection request from the smart terminal. Since the first playback device has currently established a Bluetooth connection with a certain audio source device, according to the Bluetooth connection request of the smart terminal, the first playback device switches from the current Bluetooth connection to establishes a Bluetooth connection with the smart terminal.

S120. The first playback device transmits the wireless network information of the audio and video playback system to the smart terminal, so that the smart terminal accesses the wireless network of the audio and video playback system through the wireless network information.

It is known that each playback device in the audio and video playback system is connected through WIFI, so the WIFI network information of the audio and video playback system, ie wireless network information, is stored in the first playback device. The first playback device has also established a Bluetooth connection with the smart terminal, so the first playback device transmits the wireless network information to the smart terminal through Bluetooth. After the smart terminal obtains the wireless network information, it can establish a WIFI connection with the wireless router of the audio and video playback system according to the wireless network information, so as to access the wireless network of the audio and video playback system.

The smart terminal establishes a WIFI connection with the audio and video playback system through WIFI, and specifically establishes a WIFI connection with the main device in the audio and video playback system through a wireless router. The control command is forwarded to other playback devices for execution, and the status information of each playback device is fed back to the smart terminal. Those skilled in the art can understand that the wireless network of the audio and video playback system includes but is not limited to a WIFI network, and the wireless network of the audio and video playback system is not limited in the present invention.

It should be noted that if the initial situation of the smart terminal is to pre-connect to the wireless network of the audio and video playback system, the smart terminal can also optionally send a Bluetooth connection request to the playback device in the audio and video playback system, so as to establish a Bluetooth connection with the playback device Then obtain the wireless network information of the audio and video playback system, and access the wireless network of the audio and video playback system through the wireless network information.

In this embodiment, when the first playback device that has established a Bluetooth connection in the audio and video playback system receives a Bluetooth connection request from the smart terminal, the first playback device switches from the current Bluetooth connection to establish a Bluetooth connection with the smart terminal, and The wireless network information of the audio and video playback system is transmitted to the smart terminal through the Bluetooth connection, so that the smart terminal accesses the wireless network of the audio and video playback system through the wireless network information. In this technical solution, when the smart terminal cannot access the audio and video playback system through Bluetooth, the first playback device switches to establish a Bluetooth connection with the smart terminal and send wireless network information, so that the audio and video playback system automatically configures the WIFI connection for the smart terminal; There are multiple smart terminals that need to be connected to the audio and video playback system, and when the Bluetooth connection cannot meet the requirements, the audio and video playback system can also automatically set the WIFI connection channel for the smart terminal, so this communication connection method is not limited by the Bluetooth communication bandwidth. Increased data transfer rate.

On the basis of the above technical solution, as shown in Figure 3B, in optional step 110, when the first playback device that has established a Bluetooth connection in the audio and video playback system receives a Bluetooth connection request from the smart terminal, the first playback device switches In order to establish a Bluetooth connection with the smart terminal, it can be achieved through the following steps:

S111. When the first playback device receives a Bluetooth connection request, the first playback device queries Bluetooth connection information of other playback devices in the audio and video playback system.

In this embodiment, the first playback device has established a Bluetooth connection with a certain audio source device. When the first playback device receives the Bluetooth connection request sent by the smart terminal, the first playback device can use the WIFI network of the audio and video playback system from The Bluetooth connection information of each playback device is obtained from other playback devices of the audio and video playback system. The Bluetooth connection information of the optional playback device includes: the playback device allows the Bluetooth connection or the playback device refuses the Bluetooth connection.

Specifically, it is optional that the first playback device sends a Bluetooth information query request to other playback devices through the WIFI network, and the other playback devices detect the Bluetooth connection status of the device itself after receiving the Bluetooth information query request. If the other playback devices allow the access of the Bluetooth device, a response to allow the Bluetooth connection is fed back to the first playback device, and if the other playback device refuses the access of the Bluetooth device, a response to the denial of the Bluetooth connection is fed back to the first playback device. Those skilled in the art can understand that the first playback device can also directly read the Bluetooth connection information of other playback devices without obtaining a response to allow/deny Bluetooth connections, but the present invention does not limit the first playback device to query the information of other playback devices. The way of Bluetooth connection information.

S112. If the first playback device inquires that other playback devices are in the state of refusing the Bluetooth connection, then the first playback device switches to establish a Bluetooth connection with the smart terminal.

In this embodiment, when the first playback device inquires that other playback devices in the audio and video playback system are in the state of rejecting Bluetooth connection, it means that the playback devices in the audio and video playback system conflict with the Bluetooth request of the smart terminal. The video playback system needs to automatically configure other communication channels for the smart terminals to be connected to the audio and video playback system. The specific execution process is that the first playback device directly switches from the current Bluetooth connection to establish a Bluetooth connection with the smart terminal, and then the first playback device can communicate with the smart terminal through Bluetooth.

Before the optional first playback device is switched to establish a Bluetooth connection with the smart terminal, it also includes: the first playback device disconnects the currently established Bluetooth connection, and then the first playback device establishes a temporary Bluetooth connection with the smart terminal.

Here, the optional bluetooth connection rejection status of other playback devices at least includes: the other playback devices have established a bluetooth connection with the bluetooth device, and/or, the other playback devices are playing audio and video. If the playback device is playing audio and video, the playback device cannot establish a Bluetooth connection with the smart terminal that sent the Bluetooth connection request to the first playback device, or if the playback device has established a Bluetooth connection with the Bluetooth device, the playback device cannot establish a Bluetooth connection with the first playback device. A playback device sends a bluetooth connection request to an intelligent terminal to establish a bluetooth connection.

After the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request from the smart terminal, after the first playback device switches to establishing a Bluetooth connection with the smart terminal, the following steps can be specifically performed.

For step 120, the first playback device transmits the wireless network information of the audio and video playback system to the smart terminal, so that the smart terminal accesses the wireless network of the audio and video playback system through the wireless network information. Specifically, the first playback device establishes a Bluetooth connection with the smart terminal, so the first playback device transmits wireless network information to the smart terminal through Bluetooth. After the smart terminal obtains the wireless network information, it can establish a WIFI connection with the wireless router of the audio and video playback system according to the wireless network information, so as to access the wireless network of the audio and video playback system.

The optional wireless network information includes at least: the service set identifier and wireless network password of the router connected to the audio and video playback system. The first playback device can optionally obtain wireless network information from the main device based on the WIFI network; the first playback device can also receive and store the wireless network information sent by the main device based on the WIFI network, and send the stored wireless network information to the smart terminal .

After step 120, optionally further include: S130, after the first playback device transmits the wireless network information to the smart terminal, the first playback device disconnects the Bluetooth connection with the smart terminal, and restores the initially established Bluetooth connection.

After the first playback device sends the wireless network information to the smart terminal via Bluetooth, the first playback device can disconnect the temporary Bluetooth connection with the smart terminal and switch to the initially established Bluetooth connection. If the first playback device establishes a temporary Bluetooth connection with the smart terminal after disconnecting the initial Bluetooth connection, the first playback device re-establishes a Bluetooth connection with the initially connected audio source device.

It is also optional that when the first playback device establishes a temporary Bluetooth connection with the smart terminal, the first playback device may disconnect from the initially connected audio source device for a short period of time, and send the wireless network information of the audio and video playback system to the smart terminal. After terminal, directly resume the Bluetooth connection with the initially connected audio source device.

After the smart terminal receives the wireless network information of the wireless router, the smart terminal can access the wireless router according to the wireless network information, so as to connect to the audio and video playback system through WIFI. It should be noted that if at least two smart terminals are pre-connected to the audio and video playback system via Bluetooth, the audio and video playback system can configure a WIFI communication channel for each smart terminal according to the above operations.

In the preferred technical solution above, when the smart terminal cannot access the audio and video playback system through Bluetooth, the first playback device switches to establish a Bluetooth connection with the smart terminal and send wireless network information, so that the audio and video playback system automatically configures WIFI for the smart terminal. Connection; when multiple smart terminals need to be connected to the audio and video playback system, and the Bluetooth connection cannot meet the requirements, the audio and video playback system can also automatically set the WIFI connection channel for the smart terminal, so the communication connection method is not limited to Bluetooth The communication bandwidth increases the data transfer rate.

Based on any of the above-mentioned embodiments, Embodiment 2 of the present invention also provides a communication connection device for a playback device. This embodiment is applicable to the situation where a connection channel is automatically set for an intelligent terminal. The device can perform the playback described in any of the above-mentioned embodiments. The device communication connection method, the communication connection device can be realized by software and/or hardware, and configured to be applied in the playback device.

As shown in FIG. 4 , the communication connection device of the playback device provided in this embodiment includes: a Bluetooth connection switching module 210 and a network information output module 220 .

Wherein, the bluetooth connection switching module 210 is used for when the first playback device that has established the bluetooth connection in the audio and video playback system receives the bluetooth connection request of the smart terminal, the first play device is switched to establish a bluetooth connection with the smart terminal; network information The output module 220 is used for the first playback device to transmit the wireless network information of the audio and video playback system to the smart terminal, so that the smart terminal can access the wireless network of the audio and video playback system through the wireless network information.

The optional Bluetooth connection switching module 210 includes: a Bluetooth connection query unit 211 and a Bluetooth connection switching unit 212 .

Wherein, the bluetooth connection query unit 211 is used for when the first play device receives the bluetooth connection request, the first play device queries the bluetooth connection information of other play devices in the audio and video play system; the bluetooth connection switching unit 212 is used for if the first play When the device checks that other playback devices are in the state of rejecting the Bluetooth connection, the first playback device switches to establish a Bluetooth connection with the smart terminal.

The optional Bluetooth connection switching unit 212 also performs the following operation: before the first playback device switches to establish a Bluetooth connection with the smart terminal, the first playback device disconnects the currently established Bluetooth connection.

The optional bluetooth connection rejection status of other playback devices at least includes: the other playback devices have established a bluetooth connection with the bluetooth device, and/or, the other playback devices are playing audio and video.

The optional wireless network information includes at least: the service set identifier and wireless network password of the router connected to the audio and video playback system.

Optionally further include: a Bluetooth connection restoration module 230 . Wherein, the Bluetooth connection recovery module 230 is configured to disconnect the Bluetooth connection with the smart terminal after the first playback device transmits the wireless network information to the smart terminal, and restore the initially established Bluetooth connection.

In the communication connection device provided in this embodiment, when the smart terminal cannot access the audio and video playback system through Bluetooth, the first playback device switches to establish a Bluetooth connection with the smart terminal and send wireless network information, so that the audio and video playback system automatically becomes a smart phone. The terminal is equipped with WIFI connection; when multiple smart terminals need to be connected to the audio and video playback system, and the Bluetooth connection cannot meet the requirements, the audio and video playback system can also automatically set the WIFI connection channel for the smart terminal, so the communication connection device is not affected. Limited to the Bluetooth communication bandwidth, the data transmission rate is improved.

On the basis of the audio and video playback system and playback device described above, Figure 5A is a flow chart of the communication connection method of the playback device provided by Embodiment 3 of the present invention. This embodiment can be applied to the situation where the connection channel is automatically set for the smart terminal , the method can be executed by the communication connection device of the playback device, the communication connection device can be realized by software and/or hardware, and configured to be applied in the playback device.

The communication connection method of the playback device provided in this embodiment specifically includes the following steps:

S310. When the first playback device in the audio and video playback system that has established a Bluetooth connection receives a Bluetooth connection request from the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal.

In this embodiment, when the smart terminal establishes a connection with the first playback device via Bluetooth, the smart terminal sends a Bluetooth connection request to the first playback device, and the first playback device receives the Bluetooth connection request from the smart terminal. Since the first playback device has currently established a Bluetooth connection with a certain audio source device, according to the Bluetooth connection request of the smart terminal, the first playback device switches from the current Bluetooth connection to establishes a Bluetooth connection with the smart terminal.

S320. The first playback device transmits the Bluetooth connection information of the playback devices that have not established a Bluetooth connection in the audio and video playback system to the smart terminal, so that the smart terminal establishes a Bluetooth connection with one of the playback devices that has not established a Bluetooth connection.

It is known that each playback device in the audio and video playback system is connected through WIFI, so the first playback device can obtain Bluetooth connection information of other playback devices in the audio and video playback system through WIFI. The first playback device has also established a Bluetooth connection with the smart terminal. When the first playback device inquires about the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system, the first playback device will use Bluetooth. The Bluetooth connection information of the playback device is transmitted to the smart terminal. After the smart terminal obtains the Bluetooth connection information of the playback device, it can send a Bluetooth connection request to the playback device to establish a Bluetooth connection with the playback device. Therefore, the audio and video playback system automatically sets the communication channel for the smart terminal.

It should be noted that if there are multiple playback devices that have not established Bluetooth connections in the audio and video playback system, the first playback device can optionally send the Bluetooth connection information of all playback devices that have not established Bluetooth connections to the smart terminal, so that The smart terminal selects the playback device to be connected by itself. Alternatively, the first playback device chooses to send the Bluetooth connection information of one of the playback devices that has not established a Bluetooth connection to the smart terminal, so that the smart terminal establishes a Bluetooth connection with the playback device. In the present invention, the mode in which the first playback device selects and sends data is not limited.

In this embodiment, when the smart terminal sends a Bluetooth connection request to the first playback device that has established a Bluetooth connection, the first playback device switches to establish a Bluetooth connection with the smart terminal and send a request to a playback device that has not established a Bluetooth connection in the audio and video playback system. Bluetooth connection information, so that the smart terminal can establish a Bluetooth connection with the playback device that has not established a Bluetooth connection. The audio and video playback system automatically configures a communication channel for the smart terminal. Therefore, this communication connection method is not limited by the Bluetooth communication bandwidth and improves the data transmission rate. .

On the basis of the above technical solution, as shown in Figure 5B, in optional step 310, when the first playback device that has established a Bluetooth connection in the audio and video playback system receives a Bluetooth connection request from the smart terminal, the first playback device switches In order to establish a Bluetooth connection with the smart terminal, it can be achieved through the following steps:

S311. When the first playback device receives the Bluetooth connection request, the first playback device queries the Bluetooth connection information of other playback devices in the audio and video playback system.

In this embodiment, the first playback device has established a Bluetooth connection with a certain audio source device. When the first playback device receives the Bluetooth connection request sent by the smart terminal, the first playback device can use the WIFI network of the audio and video playback system from The Bluetooth connection information of each playback device is obtained from other playback devices of the audio and video playback system. The Bluetooth connection information of the optional playback device includes: the playback device allows the Bluetooth connection or the playback device refuses the Bluetooth connection.

Those skilled in the art can understand that the first playback device can also directly read the Bluetooth connection information of other playback devices without obtaining a response to allow/deny Bluetooth connections, but the present invention does not limit the first playback device to query the information of other playback devices. The way of Bluetooth connection information.

S312. If the first playback device inquires that other playback devices are in a state of refusing the Bluetooth connection, switch the first playback device to establish a Bluetooth connection with the smart terminal.

In this embodiment, when the first playback device inquires that other playback devices in the audio and video playback system are in the state of rejecting Bluetooth connection, it means that the playback devices in the audio and video playback system conflict with the Bluetooth request of the smart terminal. The video playback system needs to automatically configure other communication channels for the smart terminals to be connected to the audio and video playback system. The first playback device directly switches from the current Bluetooth connection to establishing a Bluetooth connection with the smart terminal. Before the optional first playback device is switched to establish a Bluetooth connection with the smart terminal, it also includes: the first playback device disconnects the currently established Bluetooth connection, and then the first playback device establishes a temporary Bluetooth connection with the smart terminal.

Here, the Bluetooth connection rejection status of other playback devices can be selected to at least include: at least one of the other playback devices has not established a Bluetooth connection and is playing audio and video, and the rest of the other playback devices have connected to the corresponding The Bluetooth device establishes a Bluetooth connection. If the playback device is playing audio and video but has not established a Bluetooth connection, the playback device can optionally establish a Bluetooth connection with the smart terminal

After the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request from the smart terminal, after the first playback device switches to establishing a Bluetooth connection with the smart terminal, the following steps can be specifically performed.

S320. The first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system to the smart terminal, so that the smart terminal establishes a Bluetooth connection with the playback device that has not established a Bluetooth connection.

It is known that at least one playback device in the audio and video playback system has not established a Bluetooth connection, then the first playback device can optionally send the Bluetooth connection information of at least one playback device that has not established a Bluetooth connection to the smart terminal, and the audio and video playback system controls one of them. A playback device that has not established a Bluetooth connection establishes a Bluetooth connection with the smart terminal. Therefore, the audio and video playback system configures a communication channel for establishing a Bluetooth connection with other playback devices for the smart terminal that sends a Bluetooth connection request to the first playback device.

S330. After the first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection to the smart terminal, the first playback device disconnects the Bluetooth connection with the smart terminal, and restores the initially established Bluetooth connection.

When the first playback device sends the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system to the smart terminal, the first playback device can disconnect the temporary Bluetooth connection with the smart terminal and switch to the initially established Bluetooth connection. Connect, so that the smart terminal can establish a Bluetooth connection with a playback device that has not established a Bluetooth connection. If the first playback device establishes a temporary Bluetooth connection with the smart terminal after disconnecting the initial Bluetooth connection, the first playback device re-establishes a Bluetooth connection with the initially connected audio source device.

It is also optional that when the first playback device establishes a temporary Bluetooth connection with the smart terminal, the first playback device may disconnect from the initially connected audio source device for a short period of time, and the Bluetooth connection information of the playback device that has not established a Bluetooth connection After sending to the smart terminal, directly restore the Bluetooth connection with the initially connected audio source device.

It should be noted that if at least two smart terminals are pre-connected to the audio and video playback system via Bluetooth, the audio and video playback system can configure a Bluetooth communication channel for each smart terminal according to the above operations.

In this embodiment, when the smart terminal sends a Bluetooth connection request to the first playback device that has established a Bluetooth connection, the first playback device switches to establish a Bluetooth connection with the smart terminal and send a request to a playback device that has not established a Bluetooth connection in the audio and video playback system. Bluetooth connection information, so that the playback device that has not established a Bluetooth connection in the audio and video playback system and the smart terminal establish a Bluetooth connection, and the audio and video playback system automatically configures a communication channel for the smart terminal, so the communication connection method is not limited by the Bluetooth communication bandwidth. Increased data transfer rate.

Based on the above-mentioned embodiments, Embodiment 4 of the present invention also provides a communication connection device for a playback device. This embodiment is applicable to the situation where a connection channel is automatically set for an intelligent terminal, and the device can execute the playback device described in Embodiment 3 above. The communication connection method, but the methods executable by the communication connection device include but are not limited to the above-mentioned embodiments. The communication connection device can be realized by software and/or hardware, and configured to be applied in a playback device.

As shown in FIG. 6 , the communication connection device of the playback device provided in this embodiment includes: a Bluetooth connection switching module 410 and a Bluetooth information output module 420 .

Wherein, the bluetooth connection switching module 410 is used for when the first playback device that has established the bluetooth connection in the audio and video playback system receives the bluetooth connection request of the smart terminal, the first play device is switched to establish a bluetooth connection with the smart terminal; the bluetooth information The output module 420 is used for the first playback device to transmit the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system to the smart terminal, so that the smart terminal can establish a Bluetooth connection with the playback device that has not established a Bluetooth connection.

The optional Bluetooth connection switching module 410 includes: a Bluetooth connection query unit 411 and a Bluetooth connection switching unit 412 .

Wherein, the bluetooth connection query unit 411 is used for when the first play device receives the bluetooth connection request, the first play device queries the bluetooth connection information of other play devices in the audio and video play system; the bluetooth connection switch unit 412 is used for if the first play When the device checks that other playback devices are in the state of rejecting the Bluetooth connection, the first playback device switches to establish a Bluetooth connection with the smart terminal.

The optional Bluetooth connection switching unit 412 also performs the following operations: before the first playback device switches to establish a Bluetooth connection with the smart terminal, the first playback device disconnects the currently established Bluetooth connection.

Optional bluetooth connection rejection status of other playback devices at least includes: at least one of the other playback devices has not established a bluetooth connection and is playing audio and video, and the rest of the other playback devices have connected to the corresponding bluetooth device Establish a Bluetooth connection.

Optionally further include: a Bluetooth connection recovery module 430 . Among them, the Bluetooth connection recovery module 430 is used to disconnect the Bluetooth connection with the smart terminal after the first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection to the smart terminal, and restore the initially established Bluetooth connection. Bluetooth connection.

In this embodiment, when the smart terminal sends a Bluetooth connection request to the first playback device that has established a Bluetooth connection, the first playback device switches to establish a Bluetooth connection with the smart terminal and send a request to a playback device that has not established a Bluetooth connection in the audio and video playback system. Bluetooth connection information, so that the playback device in the audio and video playback system that has not established a Bluetooth connection and the smart terminal establishes a Bluetooth connection, and the audio and video playback system automatically configures a communication channel for the smart terminal, so the communication connection device is not limited by the Bluetooth communication bandwidth. Increased data transfer rate.

Embodiment 5 of the present invention also provides a communication connection method of a playback device. This embodiment is applicable to the situation where a Bluetooth channel is automatically set for an intelligent terminal connected to a wireless network of an audio and video playback system. The connection device is implemented, and the communication connection device can be realized by software and/or hardware, and configured to be applied in the playback device.

The specific execution process of the communication connection method is as follows: when the main device of the audio and video playback system receives the Bluetooth connection request of the smart terminal, the main device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system to the smart terminal , so that the smart terminal can establish a Bluetooth connection with the playback device that has not established a Bluetooth connection.

Here, the main device can send the Bluetooth connection information of one of the playback devices in the audio and video playback system that has not established a Bluetooth connection to the smart terminal, so that the smart terminal can establish a Bluetooth connection with the playback device. Alternatively, the main device can send the Bluetooth connection information of all playback devices in the audio and video playback system that have not established a Bluetooth connection to the smart terminal, so that the smart terminal can choose to establish a Bluetooth connection with one of the playback devices. The specific process will not be repeated here.

In this embodiment, the main device sends the Bluetooth connection information of the playback device that has not established a Bluetooth connection to the smart terminal that has connected to the wireless network of the audio and video playback system, so that the smart terminal can access the wireless network of the audio and video playback system at the same time. A bluetooth connection is also established with a playing device in the audio and video playing system, and the method improves the data transmission rate and is not limited to the bluetooth communication bandwidth.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (11)

1. A communication connection method of a playback device, characterized in that, comprising: When the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal; The first playback device transmits the wireless network information of the audio and video playback system to the smart terminal, so that the smart terminal accesses the wireless network of the audio and video playback system through the wireless network information. 2. The communication connection method according to claim 1, characterized in that, when the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches To establish a bluetooth connection with the smart terminal, including: When the first playback device receives the Bluetooth connection request, the first playback device queries the Bluetooth connection information of other playback devices in the audio and video playback system; If the first playback device inquires that the other playback devices are in a state of refusing Bluetooth connections, the first playback device switches to establish a Bluetooth connection with the smart terminal. 3. The communication connection method according to claim 2, characterized in that before the first playback device switches to establish a Bluetooth connection with the smart terminal, it further comprises: disconnecting the currently established Bluetooth connection by the first playback device connect. 4. The communication connection method according to claim 2 or 3, characterized in that the Bluetooth connection rejection status of the other playback devices at least includes: the other playback devices have established a Bluetooth connection with the Bluetooth device, and/or, other The playback device is playing audio and video. 5. The communication connection method according to claim 1, wherein the wireless network information at least includes: a service set identifier and a wireless network password of a router connected to the audio and video playback system. 6. The communication connection method according to claim 1, further comprising: After the first playback device transmits the wireless network information to the smart terminal, the first playback device disconnects the Bluetooth connection with the smart terminal, and restores the initially established Bluetooth connection. 7. A communication connection method of a playback device, characterized in that, comprising: When the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches to establish a Bluetooth connection with the smart terminal; The first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection in the audio and video playback system to the smart terminal, so that the smart terminal can establish a Bluetooth connection with the playback device that has not established a Bluetooth connection. connect. 8. The communication connection method according to claim 7, characterized in that, when the first playback device in the audio and video playback system that has established a Bluetooth connection receives the Bluetooth connection request of the smart terminal, the first playback device switches To establish a bluetooth connection with the smart terminal, including: When the first playback device receives the Bluetooth connection request, the first playback device queries the Bluetooth connection information of other playback devices in the audio and video playback system; If the first playback device inquires that the other playback devices are in a state of refusing Bluetooth connections, the first playback device switches to establish a Bluetooth connection with the smart terminal. 9. The communication connection method according to claim 8, characterized in that before the first playback device switches to establish a Bluetooth connection with the smart terminal, it further comprises: disconnecting the currently established Bluetooth connection by the first playback device connect. 10. The communication connection method according to claim 8 or 9, characterized in that the Bluetooth connection rejection status of the other playback devices at least includes: at least one of the other playback devices has not established a Bluetooth connection and is in progress Audio and video playback, and the remaining playback devices among other playback devices have established a Bluetooth connection with the corresponding Bluetooth device. 11. The communication connection method according to claim 7, further comprising: After the first playback device transmits the Bluetooth connection information of the playback device that has not established a Bluetooth connection to the smart terminal, the first playback device disconnects the Bluetooth connection with the smart terminal and restores the initial establishment Bluetooth connection.