JPH09222985A - Voice control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to operate an electronic equipment safely without feeling troublesome by recognizing a speech instruction by retrieval from a speech dictionary. SOLUTION: A speech instruction input means 1 inputs operation instructions to electronic equipments 2 and 3 in the form of a voice. A speech recognizing means 12 obtains a speech waveform from the output of the speech instruction input means 1, performs spectrum conversion, and acquires a speech recognition signal by retrieval from the speech dictionary. An operation instruction generating and outputting means 13 acquires the codes and operation instructions of the electronic equipments 2 and 3 according to the speech recognition signal, executes the acquired operation instructions to perform processing, and also perform operation instruction input/output control over the electronic equipments 2 and 3. The operation instruction generating and outputting means 13 consists of an operation instruction acquisition part, an operation instruction dictionary which previously contains the codes of the electronic equipments and program codes of operation instructions, an operation instruction processing part, and a base input/output system part which performs the input/output control of the operation instructions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voice operating device for operating an electronic device by voice, for example, a voice operating device for operating an electronic device in a car by voice.
Electronic devices are operated by hand by operating switches, buttons or knobs, or indirectly through input devices such as a mouse and a tablet. In order to operate an electronic device, it is necessary to shift the hand and the line of sight. In most cases, these operations are not troublesome, but it is dangerous for the driver to temporarily use one or both hands or to shift the line of sight in the car while driving because it is distracting attention from the viewpoint of traffic safety. Is. It is safe and easy to operate by operating the electronic device by voice when the hand is closed by the operation of the steering wheel while driving the car and the line of sight is outside the car.

[0002]

2. Description of the Related Art As a conventional electronic device, for example, there is a CD player as shown in FIG. In FIG. 5, 101
Indicates the level meter of the CD player 102, R of the level meter 101 indicates the volume level on the right side of the headphones, and L indicates the volume level on the left side of the headphones. 10
Reference numeral 3 denotes a push button portion, and the push button portion 103 includes a rewinding push button 104, a reproducing push button 105, a pause push button 106, and a fast-forward push button 107. 108 is a jack terminal, and the jack terminal 10
A power supply line is connected to 8 and a power supply voltage is supplied. 10
Reference numeral 9 denotes a volume knob, and the volume can be adjusted by moving the volume knob 109 leftward or rightward. Reference numeral 110 is a stop push button, and when the stop push button 110 is pressed, reproduction can be stopped. 11
1 is a nameplate, and on the nameplate 111, Compact D
Characters such as isc are described.

When operating the CD player 102, a power supply line is connected to the jack terminal 108 to supply a power supply voltage, and the reproduction push button 105 is pressed. By this operation, the power is turned on and the first song is played. In this state, when the other push buttons 104, 106, 107 are not pressed, the second music, the third music ... Are continuously reproduced. When the first song is finished and the second song is skipped and the third song is to be reproduced, the fast-forward push button 107 is pressed. Further, when it is desired to pause during reproduction, the pause push button 106 is pressed. When the pause push button 106 is pressed again, the paused song is played.

Further, for example, 20 pieces of music are stored in the CD player 102. When the 17th piece of music is reached and the user wants to return to the 15th piece of music, the rewinding push button 104 is pressed, and the fast-forwarding push button 107 is pressed. , You can play the desired song quickly. To stop the reproduction, the stop push button 110 may be pressed. Further, the sound can be changed by moving the volume knob 109 to the left and right, and the volume level can be confirmed by the level meter 41.

[0005]

However, electronic devices such as CD players are designed to be reproduced by manually operating pushbuttons, knobs, etc., and therefore are present in, for example, automobile vehicles. A driver operating an electronic device may temporarily use one or both hands,
Since he changed his line of sight, he was distracted, which could lead to an accident. In addition, there is a problem that the operation of the electronic device is troublesome because the eyes are moved by using the hand while driving.

The present invention has been made in view of the above-mentioned conventional problems. When the vehicle is driving, the hand is closed by the operation of the steering wheel, and even when the line of sight is outside the vehicle, each electronic device is voiced. It is an object of the present invention to provide a voice operation device that can be operated safely and without feeling bothersome.

[0007]

To achieve this object, the present invention is configured as shown in FIG. According to the present invention, a voice recognition signal is obtained by a voice command input means 1 for inputting a voice operation instruction to the electronic devices 2 and 3, and a voice waveform from the output of the voice command input means 1 to perform spectrum conversion to retrieve a voice dictionary. And a code for operating the electronic devices 2 and 3 based on the voice recognition signal, executing and processing the acquired operating commands, and operating command input / output control for the electronic devices 2 and 3. And an operation command generating and outputting unit 13 for performing.

The operation command generation / output means 13 of the present invention uses the operation command dictionary to generate electronic devices 2, 3 based on the voice recognition signal.
Operation command acquisition unit for acquiring the code and the operation command, the operation command dictionary in which the voice recognition signal, the code of the electronic device corresponding to the voice recognition signal, and the program code of the operation command are stored in advance, and the operation command is executed and processed. It is composed of an operation command processing unit and a base input / output system unit for controlling input / output of the operation command.

In the present invention, a CD player capable of decoding an operation command and performing an operation based on the operation command is connected as the electronic devices 2 and 3. Further, in the present invention, a mini disk capable of decoding an operation command and performing an operation based on the operation command is connected as the electronic devices 2 and 3. Further, in the present invention, as the electronic devices 2 and 3, a radio capable of decoding an operation command and performing an operation based on the operation command is connected.

In the present invention, the electronic equipment 2, 3
A mobile phone that can decode the operation command and can operate based on the operation command is connected. According to the voice operating device of the present invention, the voice command input means 1 inputs a voice operation instruction to the electronic devices 2 and 3, and the voice recognition means 12
A voice waveform is obtained from the output of the voice command input means 1 by means of spectrum conversion, a voice recognition signal is obtained by searching the voice dictionary, and a voice recognition signal is obtained by the operation command generation output means 13 based on the voice recognition signal of the electronic device 2, 3. Since the code and the operation command are acquired, the acquired operation command is executed and processed, and the operation command input / output control with respect to the electronic devices 2 and 3 is performed, the operation of the electronic devices 2 and 3 can be performed only by the voice. Can focus on others. In particular, it is safe because the electronic devices in the car can be operated only by voice. Further, since the functions of the electronic devices 2 and 3 can be performed by voice, the operation is easy and the user does not feel bothered.

Further, the operation command generation / output means 13 converts the operation command dictionary from the operation command dictionary on the basis of the voice recognition signal to acquire the code and the operation command of the electronic devices 2 and 3, and the voice recognition signal and the voice recognition signal. An operation command dictionary in which a code of a corresponding electronic device and a program code of an operation command are stored in advance, an operation command processing unit that executes and processes the operation command, a base input output system unit that controls input and output of the operation command, Since it is configured by, it is possible to output a wide range of operation commands by voice to the electronic devices 2 and 3 with a simple configuration.

Further, since the electronic devices 2 and 3 can be connected to a CD player, a mini disk, a radio, and a mobile phone, which can decode an operation command and perform an operation based on the operation command, the application is wide. Further, the electronic devices 2 and 3 are not limited to those described above, and may be electronic devices that can be operated by being connected to a computer, such as a voice input device.

[0013]

2 is a block diagram of a voice operating device of the present invention. In FIG. 2, reference numeral 1 is a microphone as a voice command input means, and a microphone 1 is used to input an operation command for a CD player 2 and a mini disk 3 as electronic devices by voice. Reference numeral 4 denotes a device body, and the device body 4 and the microphone 1 constitute a voice operation device 5. A CPU 6, a RAM 7, a ROM 8, an A / D converter 9 and a voice switcher 10 are provided in the device body 4. A /
The D converter 9 converts the analog signal from the microphone 1 into a digital signal and outputs it to the voice switcher 10.
Data is temporarily stored in the RAM 7, and the data is processed on the RAM 7. The ROM 8 stores in advance an operation instruction program 11 that generates, executes, and processes an operation instruction for an electronic device.

The voice switcher 10 recognizes voice from the digital signal converted by the A / D converter 9, generates an operation command, executes it, processes it, and outputs it to the CD player 2 or the mini disk 3. As the CD player 2 or the mini disk 3 connected to the apparatus body 4, an electronic device that can decode an operation command output from the audio switcher 10 and can operate based on the operation command is used. Further, the electronic device connected to the apparatus body 4 is not limited to the CD player 2 and the mini disk 3, and an electronic device such as a radio or a mobile phone may be used.

This radio or mobile telephone is connected to a computer and is capable of deciphering an operation command and performing an operation based on the operation command. FIG. 3 is a block diagram of the voice switcher 10. In FIG. 3, 10 is a voice switcher, and the voice switcher 10 is composed of a voice recognition unit 12 as a voice recognition unit and an operation command generation output unit 13 as an operation command generation output unit. The voice recognition unit 12 includes a recording unit 14, a spectrum conversion unit 15, a dictionary search unit 16, and a voice dictionary 17, and the operation command generation / output unit 13 includes an operation command acquisition unit 18.
It is composed of an operation instruction dictionary 19, an operation instruction processing section 20, and a base input / output system section 21.

The recording section 14 acquires a voice waveform by the voice (operation command) converted into a digital signal by the A / D conversion section 9 and outputs the voice waveform to the spectrum conversion section 15. The spectrum conversion unit 15 performs a Fourier transform on the voice waveform to convert it into a spectrum, and the dictionary search unit 16
Output to The dictionary search unit 16 searches the spectrum closest to the acquired spectrum by referring to the voice dictionary 17, acquires the voice recognition signal (ID), and outputs it to the operation command acquisition unit 18.

The operation command acquisition unit 18 receives the voice recognition signal (I
Based on D), the operation instruction dictionary 19 is referred to, and the code of the electronic device and the operation instruction are acquired and output to the operation instruction processing unit 20. The operation command processing unit 20 executes the operation command according to the voice recognition signal (ID), the code of the electronic device, and the operation command sent from the operation command acquisition unit 18, and performs the processing associated therewith. In this case, the operation command processing unit 20 executes and processes the operation command by referring to the current operation operation of the CD player 7 and the mini disc 3 input from the base input output system unit 21. The base input / output system unit 21 controls the input / output of operation commands, and outputs the operation commands processed by the operation command processing unit 15 to the CD player 2
And a response signal from the CD player 2 or the mini disc 3, a signal indicating the current state of the operation operation, and the like to the operation command processing device 20. The CD player 2 and the mini disc 3 decode the operation command from the base input / output system section 21, perform an operation, and send a response signal or the like to the base input / output system section 21.

FIG. 4 is a diagram showing an example of the contents of the operation command dictionary 19. In FIG. 4, a plurality of record 1, record 2, ... Record n are stored in the operation command dictionary 19. For example, the record 1 is composed of a voice recognition signal (ID), a corresponding model code of an electronic device, and a program code which is an operation command. Voice recognition signal (ID) of record 1
For example, "play" is stored, and as the corresponding model code of the electronic device, for example, CD is stored. As the program code, operation instructions having the following contents are stored. DIM is a dimension and declares that TRACK is used as a variable of the number of songs.

Command to bring in the currently played TRACK, and if that TRACK is non-zero, then the T
Play the RACK tune, and if zero, command the first tune to be played. Next, as the record 2, for example, “stop” is stored as the voice recognition signal (ID), CD is stored as the corresponding model code of the electronic device, and “stop CD, TRACK” is stored as the program code. Therefore, when the voice operation command "stop CD" is input, a command to stop the track of TRACK is output. Further, as the record n, for example, "17th song" is stored as a voice recognition signal (ID), "mini disk (MD)" is stored as a corresponding model code of an electronic device, and an operation command for playing the 17th song is stored as a program code.

In this program code, it is declared that TRACK is handled as a variable, and it is instructed to bring the TRACK to find out what song is currently on the mini disk. If it is not the 17th song, an instruction to play the 17th song is issued. To do. Next, the operation will be described. When the user wants the CD player 2 to reproduce the first tune, the voice operation command "reproduce CD" is input from the microphone 1. The output of the microphone 1 is converted into a digital signal by the A / D computer 9, and the recording unit 14 acquires a voice waveform. Next, the spectrum conversion unit 15 performs a Fourier transform on the acquired voice waveform to convert it into a spectrum, and the dictionary search unit 16 searches the voice dictionary 17 for a spectrum that is the closest to the acquired spectrum. A voice recognition signal (ID) is acquired.

Next, the operation command acquisition unit 16 uses the voice recognition signal (ID) "Play CD" from the operation command dictionary 19 to show the corresponding model code C of the electronic device shown in the record 1.
Obtain the program code of D and the operation instruction. The operation command processing unit 20 executes and processes the program code of the record 1. That is, the operation command processing unit 20 uses the current TR
Command to bring ACK, in this case TRACK
Is zero, the operation command for reproducing the first music is output to the CD player 2 via the base input / output system unit 21. The CD player 2 decodes and executes this operation command.

Next, when the second music is reproduced by the CD player 2, the voice operation command "next" is input from the microphone 1. The output of the microphone 1 is passed through the A / D converter 9, the recording unit 13, the spectrum conversion unit 15, and the dictionary search unit 1
In 6, the voice recognition signal (ID) "next" is acquired.
In the operation command acquisition unit 18, a voice recognition signal (I
For example, the following record m is acquired based on D).

Next CD DIM TRACK TRACK = GetNowCDTrack <> if (TRACK! = 0) play CD, TRACK + 1 Since the currently played song is the first song, the CD player 2 issues an instruction to play the next song, that is, the second song. Is output to.

When the second music is finished and the third music is reproduced, the voice operation command "next" is input. By repeating this, the songs can be changed sequentially. Also, 15
When skipping to the song, the voice operation command "15th song" may be input. When the reproduction of the CD player 2 is stopped, the voice operation command "stop" is input. "Stop"
When a voice is input through the microphone 1, the dictionary search unit 16 acquires a voice recognition signal (ID) "stop", and the operation command acquisition unit 18 outputs the corresponding model code and program code as shown in record 2 of FIG. get. The operation command processing section 20 outputs an operation command for stopping the reproduction to the CD player 2.

Next, from the CD player 2 to the mini disc 3
When the user wants to play back the 17th song of the mini disc 3 by switching to, the voice operation command “17th song of the mini disc” is input from the microphone 1. The dictionary search unit 16 acquires a voice recognition signal (ID) "17th song of mini disc". Next, the operation command acquisition unit 18 obtains the corresponding model code MD and the program code shown in the record n of FIG. 4 from the operation command dictionary 19 based on the voice recognition signal (ID) "17th song of mini disc". .

The operation command processing unit 20 obtains the current TRACK of the mini disc 3, and when TRACK is not the 17th tune, outputs an instruction for reproducing the 17th tune of the mini disc 3 to the mini disc 3. Therefore, the electronic device can be switched by the voice. In this way, since the electronic devices such as the CD player 2 and the mini disk 3 can be operated only by voice, the hands and the line of sight can be concentrated on other work. In particular, even when the driver operates the steering wheel to close the vehicle and the line of sight is outside the vehicle, it is possible to operate each electronic device by voice, which is safe.
In addition, the operation is easy, without feeling bothersome,
Each electronic device can be operated. Further, it is possible to easily switch the operation between the electronic device and the electronic device. The electronic devices include a CD player, a mini disc,
A radio and a mobile phone can be connected, but not limited to these, an electronic device connected to a computer and operated by an operation command from the computer, for example, a voice input device can also be connected.

[0027]

As described above, according to the present invention, since the electronic device can be operated only by the voice, the line of sight and the hand can concentrate on other work. In particular, it is safe because the electronic equipment in the car can be operated by voice. Since it can be operated by voice, it is easy to operate and does not feel bothersome.

[Brief description of drawings]

FIG. 1 is a diagram illustrating the principle of the present invention.

FIG. 2 is a block diagram of a voice operation device of the present invention.

FIG. 3 is a block diagram of a voice switcher.

FIG. 4 is a diagram showing an example of contents of an operation command dictionary.

FIG. 5 shows a conventional example.

[Explanation of symbols]

 1: Microphone 2: Electronic device 3: Mini disk 4: Device body 5: Voice operation device 6: CPU 7: RAM 8: ROM 9: A / D converter 10: Voice switcher 11: Operation command program 12: Voice recognition unit ( Voice recognition means) 13: Operation command generation output unit (operation command generation output unit) 14: Recording unit 15: Spectrum conversion unit 16: Dictionary search unit 17: Voice dictionary 18: Operation command acquisition unit 19: Operation command dictionary 20: Operation Command processing unit 21: Base input / output system unit

Claims (6)

[Claims] 1. A voice command input means for inputting a voice operation command to an electronic device, and a voice recognition signal is obtained by searching a voice dictionary by acquiring a voice waveform from the output of the voice command input means and performing spectrum conversion. A voice recognition unit, an operation command generation and output unit that acquires a code and an operation command of the electronic device based on the voice recognition signal, executes and processes the acquired operation command, and performs operation command input / output control for the electronic device. And a voice operation device. 2. The voice operation device according to claim 1, wherein the operation command generating and outputting means acquires an operation command code and an operation command from the operation command dictionary based on the voice recognition signal. An operation command dictionary in which a code of the electronic device corresponding to the voice recognition signal and a program code of an operation command corresponding to the voice recognition signal are stored in advance; an operation command processing unit that executes and processes the operation command; A voice operation device comprising a base input / output system section for controlling input / output. 3. The voice operating device according to claim 1, wherein a CD player capable of decoding the operation command and performing an operation based on the operation command is connected as the electronic device. 4. The voice operating device according to claim 1, wherein the electronic device is connected to a mini disk capable of decoding the operation command and performing an operation based on the operation command. 5. The voice operating device according to claim 1, wherein the electronic device is connected to a radio capable of decoding the operation command and performing an operation based on the operation command. 6. The voice operating device according to claim 1, wherein the electronic device is connected to a mobile telephone capable of decoding the operation instruction and performing an operation based on the operation instruction.