CN202976817U - Projection karaoke system for mobile device - Google Patents

Abstract

The utility model discloses a mobile device throws formula karaoke system, include: a mobile device connected with a remote server through a wireless network for integrating and transmitting a single video/audio signal; and a video-audio conversion device, the video-audio conversion device is connected with the mobile device through a wireless network and is used for receiving and converting and transmitting video-audio signals; wherein, this audio-visual conversion equipment includes: a central controller; the wireless communication module is a wireless communication chip, is connected with the central controller and is used for receiving the video and audio signals transmitted by the mobile device through a wireless network; a signal processing module, which is a signal processing chip connected with the central controller and used for converting the received video-audio signal into a signal format that can be displayed and played by an external display device; and a transmission receiving module connected with the central controller and the external display device. Providing a better visual effect.

Description

Mobile Device Projection Karaoke System

technical field

The utility model relates to a karaoke system, in particular to a projected karaoke system applied to mobile devices. the

Background technique

With the advancement of science and technology, the development of handheld mobile devices such as smart phones, tablet computers, PDAs (Personal Digital Assistant, PDA)...etc. and other large-scale computing systems, but the current interface devices such as audio-visual conversion devices, display devices, players, etc. have not considered that handheld mobile devices have powerful computing capabilities, but they are still equipped with a large number of computing control or composite functions. Therefore, at present When the handheld mobile device has computing power, a large number of computing or control functions of the interface equipment are not necessary, and in order for the interface equipment to have a large amount of hardware equipment required for information calculation and control functions, the volume, cost and selling price of the interface equipment will be reduced. The increase of , on the contrary, reduces the willingness of users to purchase, resulting in losses for manufacturers. the

Utility model content

Aiming at the defects and deficiencies in the prior art, the utility model provides a projected karaoke system for a mobile device. the

In order to achieve the above object, the utility model adopts the following technical solutions:

A projected karaoke system for a mobile device, comprising: a mobile device connected to a remote server through a wireless network for integrating and transmitting a single audio-visual signal; Connect with mobile devices via wireless network to receive conversion and transmit video and audio signals. Wherein, the audio-visual converting device includes: a central controller; a wireless communication module, which is a wireless communication chip connected with the central controller, and used to receive audio-visual signals transmitted by the mobile device through a wireless network; a signal A processing module, the signal processing module is a signal processing chip, connected with the central controller to convert the received video and audio signals into a signal format that can be displayed and played by an external display device; and a transmission receiving module, connected with the central control controller and external display devices. the

The user needs to download the corresponding karaoke software on the mobile device; after starting the karaoke software, the user can start using the projected karaoke system of the mobile device. At the same time, the karaoke software will automatically search for an online video conversion device, and the user can Select one of the audio-visual conversion devices to connect; after the connection is successful, the mobile device will automatically send the currently playing and integrated audio-visual signal to the audio-visual conversion device, and the audio-visual conversion device will immediately convert the audio-visual signal into a signal format that can be played by an external display device Send to an external display device for playback. the

This mobile device projected karaoke system not only effectively utilizes the mobile device, but also integrates the information to be transmitted into a single audio-visual signal due to the computing power of the mobile device, so that the audio-visual conversion device only needs to transmit, receive and convert audio-visual signals. Therefore, the overall volume and required cost of the audio-visual conversion device are greatly reduced, thereby increasing users' willingness to use the audio-visual conversion device, enabling users to sing more conveniently, and in addition, the audio-visual signal is transmitted to an external display device for playback , It can also provide better display and playback effects than mobile devices, and increase the entertainment and functionality of the karaoke system. the

Description of drawings

Fig. 1 is a system architecture diagram of the present utility model. the

【Description of main component symbols】

1: Mobile device projected karaoke system 11: Mobile device

12: Wireless network 13: Remote server

14: Video conversion device 141: Central controller

142: Transmission and receiving module 143: Signal processing module

144: Wireless communication module 15: External display device

Detailed ways

1 is a structural diagram of a projected karaoke system 1 for a mobile device of the present invention, which includes: a mobile device 11 , a wireless network 12 , a remote server 13 , an audio-video conversion device 14 , and an external display device 15 . the

The mobile device 11 can be a hand-held mobile device such as a smart phone, a tablet computer, a PDA (Personal Digital Assistant, PDA), and can be connected to the audio-video conversion device 14 and the remote server 13 through the wireless network 12 . After the mobile device 11 downloads a karaoke software and starts it, the karaoke software will search for an online audio-visual conversion device 14, and the user can select the audio-video conversion device 14 to be connected by himself, and use the identification function such as account number, code name, network location, etc. After the identifier code is successfully registered, the user can input a voice signal through the mobile device 11, making the mobile device 11 a wireless microphone and simultaneously video recording, the mobile device 11 will real-time input the voice signal and a real-time video signal and remote An accompaniment image, an accompaniment lyrics, and an accompaniment music provided by the server 13 or built in the mobile device 11 are integrated into a single audio-visual signal and sent to the audio-visual conversion device 14, and the mobile device 11 can simultaneously become a song-on-demand, adjustment Controller for remote functions such as music or voice volume. the

Since the mobile device 11 integrates complex voice signals, real-time video signals, accompaniment pictures, accompaniment lyrics, and accompaniment music into a single audio-visual signal, the audio-video conversion device 14 only needs to have the minimum hardware requirements for conversion and transmission functions, which includes : a central controller 141, a transmission and receiving module 142, a signal processing module 143, a wireless communication module 144, an audio-visual conversion device 14 and is connected with an external display device 15, and the external display device 15 can be a TV screen or a computer screen , A digital photo frame... and other display devices with display and playback functions. the

The wireless communication module 144 can be a wireless communication chip. After the mobile device 11 is connected to the audio-visual conversion device 14 through the wireless communication module 144 and successfully registered, the audio-visual conversion device 14 will receive the audio-visual signal integrated by the mobile device 11 in real time. Transmitter 141 to the signal processing module 143, the signal processing module 143 can be a signal processing chip, which can convert the audio-visual signal into a suitable signal format and display size according to the specifications of the external display device 15, such as analog signal, digital signal, highly compressed Video coded signal... etc., the converted audio-visual signal is sent to the transmission and receiving module 142 through the central controller 141, through hardware circuits such as: high-definition digital audio-visual terminal (High Definition Multimedia Interface, HDMI), video graphics array (Video Graphics Array , VGA), composite terminal (Composite video connector) and other hardware specifications transmit video and audio signals to the external display device 15, so that the external display device 15 can display and play the integrated voice signal, real-time video signal, accompaniment picture, accompaniment lyrics and accompaniment music . Wherein, when the audio-visual conversion device 14 is connected with the external display device 15, the external display device 15 immediately transmits a specification signal, which is transmitted to the central controller 141 through the transmission and reception module 142, and the central controller 141 then transmits the specification information included in the specification signal to the signal processing module 143 , so that the signal processing module 143 can convert the audio-visual signal into a signal format suitable for the external display device 15 . the

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims. the

Claims (4)

1. a running gear projection-type karaoke OK system, is characterized in that, comprising:

One action device, this action device is connected with a remote server by a wireless network, in order to integrate and to transmit a single video-audio signal; And

One audio-visual conversion equipment, this audio-visual conversion equipment is connected with running gear by wireless network, changes and transmit video-audio signal in order to receive;

Wherein, this audio-visual conversion equipment comprises:

One central controller;

One wireless communication module, this wireless communication module are a wireless communication chips, are connected with central controller, in order to the video-audio signal that transmits by wireless network receiving activity device;

One signal processing module, this signal processing module is a signal process chip, is connected with central controller, being converted to an external display device in order to the video-audio signal that will receive can be in order to the signal form that displays the play; And

One transmission receiver module is connected with central controller and external display device.

2. running gear projection-type karaoke OK system according to claim 1, is characterized in that, described external display device is a TV screen, a computer screen or a digital frame.

3. running gear projection-type karaoke OK system according to claim 1, is characterized in that, described running gear is a smart mobile phone, a flat computer or a palm PC.

4. running gear projection-type karaoke OK system according to claim 1, is characterized in that, described transmission receiver module is high definition digit audio-visual terminal, visual graphic array or composite terminal.