JP4441137B2 - Voice recognition device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a voice recognition control device, and more particularly to a voice recognition device using a hands-free microphone for a vehicle-mounted telephone.
[0002]
[Prior art]
When a driver makes a call on a mobile phone while driving in a car, a hands-free call is required. Therefore, as shown in FIG. 3, the voice of the driver is received by the microphone 1 fixed at a fixed position, amplified by the amplifier 2, and input to the transmission circuit 8 of the mobile phone 7.
[0003]
When the device is controlled by the voice recognition device, the voice signal from the amplifier 2 is converted into a digital signal by the A / D converter 3. The digital signal is input to the microcomputer 4 and compared with the sound pattern stored in the memory 5 to recognize the input sound. A device (not shown) is controlled by the voice command thus recognized.
[0004]
The operation when a command is input to the voice recognition apparatus will be described with reference to the flowchart of FIG. When the voice recognition software is activated, first, in step S1, it is determined whether or not a voice is input. If a voice is input, the process proceeds to step S2. In step S2, voice recognition processing is performed by comparing the voice pattern stored in the memory 5 with the input voice pattern, and the process proceeds to step S3.
[0005]
In step S3, it is determined whether or not there is a voice input. If there is a voice input, the process proceeds to step S2, and if there is no voice input, the process proceeds to step S4. In step S4, if the recognized voice is a command for controlling the device, the other device is controlled by the command to end the voice recognition operation.
[0006]
[Problems to be solved by the invention]
The conventional speech recognition apparatus described above does not record the content of speech from the other party. And since it was not possible to take notes during driving, there was no means to record the contents of the call during driving.
[0007]
The present invention has been made in view of the above points, and an object of the present invention is to provide a voice device capable of storing the contents of a telephone call using a means for controlling a device by voice recognition. It is to provide.
[0008]
The voice recognition device according to the present invention comprises a changeover switch for switching and outputting a voice signal from a microphone and a voice signal from a telephone receiving circuit, and a control means for controlling the changeover switch by a signal from an incoming call control circuit of the telephone. And when the output signal of the incoming call control circuit indicates that the telephone is talking, a dictionary pattern that outputs a voice signal from the receiver circuit from the change-over switch and stores the voice signal in a memory; Converted into characters obtained by comparison and stored in memory, and when the output signal of the incoming call control circuit indicates that the telephone is not busy, the voice signal from the microphone is output from the changeover switch configured to perform the obtained control command by a comparison with the control command stored in the memory One in which the.
[0009]
Further, in the voice recognition device, the character converted by recognizing the voice signal is displayed on a display device.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
A speech recognition apparatus according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a speech recognition apparatus according to an embodiment of the present invention. The sound input to the microphone 1 shown in the figure is converted into an electric signal, amplified by the amplifier 2, and input to the transmission circuit 8 of the mobile phone 7 and one input terminal of the changeover switch 6.
[0011]
The other input terminal of the changeover switch 6 receives the output audio signal of the receiver circuit 9 of the mobile phone 7. A signal indicating whether or not the incoming call control circuit 10 of the cellular phone 7 is receiving a call is input to the microcomputer 4. The microcomputer 4 inputs the output audio signal of the receiving circuit 9 to the A / D converter 3 when the mobile phone 7 is receiving a call, and the output audio signal of the amplifier 2 is input to the A / D converter when the mobile phone 7 is not receiving a call. The changeover switch 6 is changed over so that the signal is inputted to 3.
[0012]
The A / D converter 3 converts the input analog audio signal into a digital signal. The digital signal is input to the microcomputer 4 and compared with the sound pattern stored in the memory 5 to recognize the input sound. When not talking on a mobile phone, a device (not shown) is controlled by a voice-recognized command. During a mobile phone call, the voice from the receiving circuit 9 is recognized, and the character is stored in the memory.
[0013]
The operation of the voice recognition apparatus will be described with reference to FIG. First, when the apparatus is activated, it is determined in step S1 whether or not the mobile phone is busy. If not, the process moves to step S2, and if busy, the process moves to step S7.
[0014]
In step S2, the changeover switch 6 is set on the microphone 1 side, and the process proceeds to step S3. In step S3, it is determined whether or not there is a voice input. If there is a voice input, the process proceeds to step S4, and if there is no voice input, the process proceeds to step S1.
[0015]
In step S4, the input voice pattern is compared with the control command pattern stored in the memory 5 to execute a voice recognition process, and the process proceeds to step S5. In step S5, it is determined whether or not there is a voice input. If there is a voice input, the process proceeds to step S4. If there is no voice input, the process proceeds to step S6. In step S6, the apparatus is controlled by the command recognized in step S4, and the process proceeds to step S1.
[0016]
In step S7, the changeover switch 6 is set on the mobile phone 7 side, and the process proceeds to step S8. In step S8, it is determined whether or not there is a voice input. If there is a voice input, the process proceeds to step S9, and if there is no voice input, the process proceeds to step S1.
[0017]
In step S9, the input speech pattern is compared with the dictionary pattern stored in the memory 5, speech recognition processing is executed, and the process proceeds to step S10. In step S10, the character obtained by recognition is stored in the memory 5, and the process proceeds to step S11. In step S11, it is determined whether or not there is a voice input. If there is a voice input, the process proceeds to step S9. If there is no voice input, the process proceeds to step S1.
[0018]
The content of the received voice stored as described above can be displayed on a display device (not shown) by operating a key (not shown). Since the voice from the other party during the call is stored in this way, there is no need to take notes.
[0019]
【The invention's effect】
According to the voice recognition of the present invention, the voice recognition device for controlling the device recognizes the received voice of the telephone and stores it as a character, so that it is not necessary to take notes during driving and the safety is ensured.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a speech recognition apparatus according to an embodiment of the present invention.
FIG. 2 is a flowchart showing the operation of the voice recognition apparatus.
FIG. 3 is a block diagram illustrating an example of a conventional speech recognition apparatus.
FIG. 4 is a flowchart showing the operation of the voice recognition apparatus.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Microphone 2 Amplifier 3 A / D converter 4 Microcomputer 5 Memory 6 Changeover switch 7 Mobile telephone 8 Transmission circuit 9 Reception circuit 10 Incoming control circuit

Claims (2)

A switch for switching and outputting a voice signal from a microphone and a voice signal from a telephone receiving circuit; and a control means for controlling the switch by a signal from a telephone incoming control circuit of the telephone; When the output signal indicates that the telephone is busy, the character obtained by outputting the voice signal from the receiver circuit from the changeover switch and comparing the voice signal with the dictionary pattern stored in the memory Is stored in the memory, and when the output signal of the incoming call control circuit indicates that the telephone is not busy, the voice signal from the microphone is output from the changeover switch and the voice signal is stored in the memory. A speech recognition apparatus configured to execute a control command obtained by comparing with a command.   The speech recognition apparatus according to claim 1, wherein the character converted by recognizing the speech signal is displayed on a display device.

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