CN201167316Y - One-button automatic voice communication device - Google Patents

Abstract

The utility model discloses a one-click type full automatic voice communication device, which comprises a Bluetooth chip, a control unit, an echo and noise cancelling circuit, a power supply module, a microphone, and an power amplification unit; wherein the power supply module is connected with the Bluetooth chip, the Bluetooth chip is connected with the echo and noise cancelling circuit, the echo and noise cancelling circuit is connected with both the microphone and the power amplification unit, and the control unit is connected with the Bluetooth chip. The device also comprises at least a press-key connected with the control unit, so that a preset service access number can be dialed by triggering the control unit via the press-key. The one-click type full automatic voice communication device can be used together with a full automatic voice communication system as a user terminal, and can realize voice dialing, voice short message sending, voice searching and other functions by an one-click dial manner.

Description

One-button automatic voice communication device

technical field

The utility model relates to a voice communication terminal device, in particular to a one-button fully automatic voice communication device for a fully automatic voice communication system, which belongs to the technical field of telephone communication.

Background technique

With the development of economy and progress of society, information exchange between people becomes more and more frequent. In this context, telephones (including landline telephones and mobile telephones) have become basic information communication tools that people use frequently in their daily lives. In the process of using the telephone, a problem that people generally run into is exactly difficult to find the required telephone number. For example, in order to contact a certain unit or individual for business, we may have to look up phone numbers among hundreds of business cards, which is not only time-consuming but also laborious. Is there an easy way for people to save the trouble of finding the phone number when making a call? People have conducted in-depth research on this, and it is generally believed that under the current technical conditions, in view of the breakthrough progress in the accuracy of speech recognition technology, the voice dialing method is used instead of the push-button dialing method, that is, the dialing method is directly spoken by speaking. It is an effective way to solve this problem by reading the name of the other party, and the voice terminal recognizes and automatically matches the corresponding phone number.

The Chinese utility model patent "Two-stage Speech Recognition Phone Number Calling Device" with the patent number 03240639.8 is a typical research achievement in this field. The device includes a speech processor and a microphone input and a speaker output connected to the speech processor; in particular the device operates as a two-stage speech access software program and also includes classification information bidirectionally connected to the speech processor Storage; the information storage at least includes a name storage area and a group location storage area. The device conducts voice recognition on the numbers to be grouped. The user conducts phonetic training on the group name of the telephone number. After the group numbers have been displayed, before dialing out a call, the trained voice commands are used, and the voice phone recognizes these commands, selects and dials out the corresponding phone number.

In addition, the Chinese utility model patent No. 200520055782.5 also discloses a voice telephone dialing device installed on the steering wheel of an automobile. It is composed of a wireless dialing device, a host, and a voice speaker. The telephone dialing circuit in the wireless dialing device is connected to the input end of the single-chip circuit, and the output end of the single-chip circuit is connected to the input end of the high-frequency transmitting circuit. The output end of the transmitting circuit is connected to the high-frequency transmitting antenna; the high-frequency receiving antenna of the host is connected to the input end of the high-frequency receiving circuit, and the output end of the high-frequency receiving circuit is connected to the input end of the main control circuit. The output end of the circuit is connected to the input end of the voice circuit, and the output end of the voice circuit is connected to the voice speaker; when the car is running, the driver can conveniently dial on the steering wheel, and at the same time the host will make a voice to prompt the content of the dial. It is beneficial to safe driving and can prevent wrong number dialing. At the same time, when the dialing is successful and the call is made, the voice signal can be sent out.

However, the prior art similar to the above-mentioned voice dialing device still has the problem of inconvenient manipulation. For example, it is still necessary to press a plurality of keys to start the voice dialing function during use, and it is not possible to automatically perform voice in a hands-free manner after directly pressing a key. dial. On the other hand, most of the existing voice dialing devices only have a simple voice-assisted dialing function, and cannot provide value-added services such as sending voice messages and performing voice searches.

Contents of the invention

The technical problem to be solved by the utility model is to provide a one-button automatic voice communication device. The device can realize various voice service functions by one-key dialing.

In order to achieve the above-mentioned purpose, the utility model adopts the following implementation methods:

A one-button fully automatic voice communication device, including a bluetooth chip, a control unit, an echo and noise cancellation circuit, a power supply module, a microphone and a power amplifier unit, characterized in that:

The power module is connected to the Bluetooth chip, the Bluetooth chip is connected to the echo and noise cancellation circuit, the echo and noise cancellation circuit is respectively connected to the microphone and the power amplifier unit, and the control unit is connected to the Bluetooth chip;

The one-button fully automatic voice communication device includes at least one button, which is connected to the control unit so as to trigger the control unit to dial a preset special service access number through the button.

Wherein, the one-button automatic voice communication device further includes at least one indicator light, and the indicator light is connected to the Bluetooth chip.

The power module includes two parts, an external power supply and a built-in rechargeable battery.

The bluetooth chip is a BC4 ROM_QEN_ALL chip.

The echo and noise elimination circuit adopts FM2010 chip.

The one-button full-automatic voice communication device provided by the utility model is used as a user terminal of the full-automatic voice communication system, used in conjunction with the full-automatic voice communication system, and can realize voice dialing, send voice short messages and conduct voice calls in a one-key dialing manner. Search and many other functions.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

Figure 1 is a schematic diagram of the appearance of a one-button fully automatic voice communication device;

2 is a schematic diagram of the internal functional modules of the one-button fully automatic voice communication device;

Fig. 3 is a schematic circuit diagram of the bluetooth chip and related control pins in the one-button fully automatic voice communication device;

Fig. 4 is a schematic circuit diagram of an echo filter chip in a one-button fully automatic voice communication device.

Detailed ways

FIG. 1 is a schematic view of the appearance of an embodiment of a one-button fully automatic voice communication device (referred to as a voice communication device). As shown in Figure 1, the voice communication device is packaged in a square box. On the front of the box, the upper left corners are the K1 and K2 keys arranged side by side. Right below these two keys is the "Push to Talk" key - K3, which is set independently. The setting of this K3 key is one of main features of the present utility model. The relevant special service access number is bound to the K3 key. Users only need to press this key to enter the automatic voice communication system. Subsequent dialing operations, voice message sending operations and voice search operations can all be performed according to the automatic voice communication The system's voice menu navigation comes with auto-completion. Below the K3 key, there are switch key, volume adjustment knob and two indicator lights. On the right side of the front of the box body is a bell mouth for the voice communication device to output sound to the outside. In addition, the voice communication device is also provided with a microphone (not shown in the figure) for picking up the voice of the user.

The voice communication device can be used as a car phone. When it is installed in the car and used as a car phone, its shell also has a connection structure for fixing on the driver's platform. The connection structure can adopt many different structural design schemes according to the specific location of installation.

It should be noted that the box body shown in FIG. 1 is only an example of the appearance of the voice communication device. The voice communication device can also adopt other forms of design solutions, such as a circular box body or a cartoon shape, etc., which will not be illustrated here one by one.

Figure 2 shows the internal functional modules of the voice communication device. The voice communication device is mainly composed of a bluetooth chip, a control unit, an echo and noise elimination circuit, etc., and also includes a power supply module, an indicator light, a microphone, and a power amplifier unit. The power module is connected to the bluetooth chip. On the one hand, the bluetooth chip is connected to the indicator light to display the working status, and on the other hand, it is connected to the echo and noise elimination circuit. The echo and noise elimination circuit is respectively connected to the microphone and the power amplifier unit. The control unit is realized by a single-chip microcomputer, which is connected with the bluetooth chip to control the working state of the chip. The control unit also stores the special service access number of the fully automatic voice communication system. The K3 button is connected with the control unit on the electrical signal, so that the control unit is triggered to dial the special service access number through the button.

FIG. 3 is a circuit schematic diagram of the Bluetooth chip and related control pins; FIG. 4 is a circuit schematic diagram of the echo filter chip. In the present utility model, the bluetooth chip can adopt BC4ROM_QEN_ALL chip. Since the BC4 ROM_QEN_ALL Bluetooth chip has a built-in MCU (microcontroller) unit, the control unit and the Bluetooth chip can be integrated, saving the trouble of external microcontroller control. Echo filter chip can choose FM2010 chip. The FM2010 chip is a low-power and low-cost single chip launched by Forte Media in the United States based on the mini-array microphone (SAM) technology. . The above-mentioned bluetooth chip and echo filter chip are commonly used chips familiar to those skilled in the art, and will not be described in detail here.

Through the above functional modules, the voice communication device can realize the following basic functions:

1. Network connection: Smart matching with Bluetooth mobile phones to establish a stable connection.

2. Outgoing call: One-key dialing (dial the access number provided by the telecom operator, such as 1258XXX).

3. Incoming call answering: One-key hands-free calling.

4. Volume adjustment: You can adjust the volume of hands-free calls, and you can also connect headphones for private calls.

5. Power guarantee: either an external (or vehicle) power supply or a built-in rechargeable battery can be used.

When the voice communication device is in use, first turn the power switch to "ON", and the power indicator light shows "red", then it is turned on; the switch is turned to "OFF", and the power indicator is off, then it is turned off. When the K1 key is pressed, the voice communication device is connected to a mobile phone with Bluetooth communication function. The phone and the device are paired via Bluetooth communication. After entering the default pairing password (built into the control unit), after the pairing is successful, the connection indicator will show "blue" and stay on. During a call, press the K2 key and hold it for a certain period of time to turn off the Bluetooth hands-free function and switch to the mobile phone; press the K2 key again and hold it for a certain period of time to turn on the Bluetooth hands-free function and switch to the voice communication device.

When performing an incoming call operation, press the K2 key once to answer the call; press the K2 key twice continuously to reject the incoming call; press the K2 key once to end the call.

When performing an outgoing call operation, press the K3 key to automatically dial the access number (such as "1258XXX") of the fully automatic voice communication system to enter the fully automatic voice communication system. The fully automatic voice communication system is built in the communication room designated by the communication operator, including IVS (Interactive Voice Search) function module, ASR server, database, etc. The user can perform voice control according to the voice prompt of the system, and can complete various communication contents through interaction with the fully automatic voice communication system, such as number checking, calling, voice message, voice message, etc. Among them, the main steps of the voice message are (1) the user enters the system by dialing the access number of the special service; (2) the system verifies the user's information and conducts voice navigation to the user, and the user records a voice according to the voice prompt and then hangs up; (3) the system When the call is called, if it is connected, it will play a voice message; if it is not connected, it will send a message to the called party and prompt to dial a certain number to listen to the message. The main steps of voice search are: (1) the user dials the special service number to enter the system; (2) the system conducts voice navigation to the user after verifying that the user information is qualified, and the user speaks out the keywords to be searched according to the voice prompt; (3) The system searches the matching information in the database, and if the matching is successful, the matching information is fed back to the user one by one.

The one-button fully automatic voice communication device described in the present invention has been described in detail above. For those skilled in the art, various obvious changes made to it without departing from the spirit of the technical solution described in the present invention and the scope of claims are within the protection scope of the present invention.

Claims (5)

1. A one-button fully automatic voice communication device, comprising bluetooth chip, control unit, echo and noise elimination circuit, power supply module, microphone and power amplifier unit, is characterized in that: The power module is connected to the Bluetooth chip, the Bluetooth chip is connected to the echo and noise cancellation circuit, the echo and noise cancellation circuit is respectively connected to the microphone and the power amplifier unit, and the control unit is connected to the Bluetooth chip; The one-button fully automatic voice communication device includes at least one button, which is connected to the control unit so as to trigger the control unit to dial a preset special service access number through the button. 2. The one-button fully automatic voice communication device as claimed in claim 1, characterized in that: The one-button automatic voice communication device also includes at least one indicator light, which is connected to the bluetooth chip. 3. The one-button fully automatic voice communication device as claimed in claim 1, characterized in that: The power module includes two parts, an external power supply and a built-in rechargeable battery. 4. The one-button fully automatic voice communication device as claimed in claim 1, characterized in that: The bluetooth chip is a BC4 ROM_QEN_ALL chip. 5. The one-button fully automatic voice communication device as claimed in claim 1, characterized in that: The echo and noise elimination circuit adopts FM2010 chip.

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