CN110534105B - Voice control method and device - Google Patents
Voice control method and device Download PDFInfo
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- CN110534105B CN110534105B CN201910673780.9A CN201910673780A CN110534105B CN 110534105 B CN110534105 B CN 110534105B CN 201910673780 A CN201910673780 A CN 201910673780A CN 110534105 B CN110534105 B CN 110534105B
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- 238000010586 diagram Methods 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 7
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
- G01S5/22—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/28—Constructional details of speech recognition systems
- G10L15/32—Multiple recognisers used in sequence or in parallel; Score combination systems therefor, e.g. voting systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
The application relates to a voice control method and a voice control device, wherein the method comprises the following steps: acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device; acquiring a corresponding sound source position according to the voice control instruction; controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions; comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate; taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position; and moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment. By the method, the accuracy of voice receiving and recognition in voice control is higher, and the instructions of the sound source at the same position do not need to be repositioned, so that the method is more convenient and sensitive.
Description
Technical Field
The present application relates to the field of home appliance control, and in particular, to a voice control method and apparatus.
Background
The traditional household appliance control needs manual control or remote control type short-distance control, and after a certain distance is exceeded, the remote control type control cannot control the household appliance because of poor signal reception; even if the distance in the same room is not longer than a certain distance, the control command may not be effectively transmitted to the device due to the influence of various obstacles. In order to control household appliances at any time and any place even if the household appliances are not in a room, with the development of the internet, voice control of the household appliances becomes a future development trend.
For the household appliances used by most families at present, such as air conditioners, the household appliances do not have a voice control function, and the voice control function is added on an intelligent air conditioner controller, such as an air conditioner partner, so that the voice control of the air conditioner becomes possible; however, the use of the voice function on the air conditioner partner has some limitations in voice recognition, and in actual life, a user does not control the air conditioner through voice at a fixed position, so that the voice recognition rates for receiving control instructions sent by different positions are different, and the recognition rate is too low and the air conditioner cannot receive the control instructions; on the other hand, most air conditioner partners are installed near the air conditioner, so that noise generated by the air conditioner can interfere with voice receiving and voice recognition of the air conditioner partners, the voice recognition rate cannot be guaranteed, and accurate user instructions cannot be received to achieve the purpose of controlling the air conditioner through voice.
Disclosure of Invention
In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a method.
In a first aspect, the present application provides a voice control method, which is applied to a voice control apparatus equipped with a movable voice receiving apparatus, and includes:
acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
acquiring a corresponding sound source position according to the voice control instruction;
controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions;
comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
and moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment.
In a second aspect, the present application provides another voice control method, which is applied to a voice control apparatus having a movable voice receiving apparatus mounted thereon, the method including:
acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
acquiring a corresponding sound source position according to the voice control instruction;
obtaining and comparing the distance difference between the sound source position and the historical sound source position stored in the historical sound source receiving position table to obtain the minimum distance difference;
if the minimum distance difference is smaller than or equal to the preset distance difference, taking a historical first voice receiving position corresponding to the historical sound source position corresponding to the minimum distance difference in the historical sound source receiving position table as a first voice receiving position,
moving a voice receiving device to the first voice receiving position to receive a voice control instruction sent by a sound source at the same position corresponding to the historical first voice receiving position so as to control a controlled device;
if the minimum distance difference is larger than the preset distance difference, controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions;
comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
and storing the sound source position of the sound source at the same position and a first voice receiving position corresponding to the sound source position in a historical sound source receiving position table.
Preferably, the method further comprises:
acquiring a control distance between a voice receiving device and controlled equipment;
when the controlled equipment is controlled to operate according to a voice control instruction received by a voice receiving device at a first voice receiving position, acquiring the current state of the controlled equipment;
acquiring noise information of a controlled device in a current state;
moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, enabling the voice receiving device to receive a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
Preferably, the controlling the voice receiving apparatus to move according to a change in a recognition rate of a voice control command issued by a sound source at the same position received by the voice receiving apparatus at a plurality of different voice receiving positions includes:
controlling the voice receiving device to move along a first preset direction from the initial voice receiving position on a preset path,
if the recognition rate of the voice control command sent by the sound source at the same position received by the voice receiving device rises first and then falls when the voice receiving device moves along the first preset direction from the initial voice receiving position to a plurality of different voice receiving positions, the voice receiving device is controlled to stop moving at the position where the recognition rate falls,
if the voice control command is received by the voice receiving device from the initial voice receiving position to a plurality of different voice receiving positions when the voice receiving device moves along the first preset direction, the recognition rate of the voice control command sent by the sound source at the same position is always reduced, and the voice receiving device is controlled to move along the second preset direction after the preset time length;
if the recognition rate of the voice control command sent by the sound source at the same position received by the voice receiving device rises first and then falls when the voice receiving device moves along a second preset direction from the initial voice receiving position to a plurality of different voice receiving positions, the voice receiving device is controlled to stop moving at the position where the recognition rate falls,
if the voice control command is received by the voice receiving device and sent by the sound source at the same position, the recognition rate of the voice control command is reduced all the time, and the voice receiving device is controlled to stop moving after the preset time length.
In a third aspect, the present application provides a voice control apparatus, in which a movable voice receiving apparatus is installed, the voice control apparatus including:
the voice control instruction acquisition unit is used for acquiring voice control instructions sent by sound sources at the same position through the voice receiving device;
the sound source position positioning unit is used for acquiring a corresponding sound source position according to the voice control instruction;
a moving unit for controlling the voice receiving apparatus to move according to a change in a recognition rate of a voice control command issued from a sound source at the same position received by the voice receiving apparatus at a plurality of different voice receiving positions;
the comparison unit is used for comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
a voice receiving position locating unit, configured to use the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
the mobile unit is further configured to move the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled device.
In a fourth aspect, the present application provides another voice control apparatus, in which a movable voice receiving apparatus is installed, the voice control apparatus including:
the voice control instruction acquisition unit is used for acquiring voice control instructions sent by sound sources at the same position through the voice receiving device;
the sound source position positioning unit is used for acquiring a corresponding sound source position according to the voice control instruction;
the minimum distance difference obtaining unit is used for obtaining and comparing the distance differences between the current sound source position and all historical sound source positions in the historical sound source receiving position table to obtain a minimum distance difference;
the voice receiving position positioning unit is used for taking a historical first voice receiving position corresponding to the historical sound source position corresponding to the minimum distance difference in the historical sound source receiving position table as a first voice receiving position if the minimum distance difference is smaller than or equal to a preset distance difference;
the mobile unit is used for moving the voice receiving device to the first voice receiving position so as to receive a voice control instruction sent by a sound source at the same position corresponding to the historical first voice receiving position and control controlled equipment;
the mobile unit is further configured to control the voice receiving device to move according to a change in a recognition rate of a voice control command sent by a sound source at the same position, which is received by the voice receiving device at a plurality of different voice receiving positions, if the minimum distance difference is greater than the preset distance difference;
the comparison unit is used for comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
the voice receiving position positioning unit is further configured to use the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
the mobile unit is further used for moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
and the storage unit is used for storing the sound source position of the sound source at the same position and the first voice receiving position corresponding to the sound source position in a historical sound source receiving position table.
Preferably, the voice control apparatus further includes:
the control distance acquisition unit is used for acquiring the control distance between the voice receiving device and the controlled equipment;
the state acquisition unit is used for acquiring the current state of the controlled equipment after the controlled equipment is controlled to operate according to the voice control instruction received by the voice receiving device at the first voice receiving position;
the noise information acquisition unit is used for acquiring the noise information of the controlled equipment in the current state;
the mobile unit is also used for moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
Preferably, the mobile unit includes:
a first direction moving unit for controlling the voice receiving device to move along a first preset direction from the initial voice receiving position on a preset path,
if the recognition rate of the voice control command sent by the sound source at the same position received by the voice receiving device rises first and then falls when the voice receiving device moves along the first preset direction from the initial voice receiving position to a plurality of different voice receiving positions, the voice receiving device is controlled to stop moving at the position where the recognition rate falls,
if the voice control command is received by the voice receiving device from the initial voice receiving position to a plurality of different voice receiving positions when the voice receiving device moves along the first preset direction, the recognition rate of the voice control command sent by the sound source at the same position is always reduced, and the voice receiving device is controlled to move along the second preset direction after the preset time length;
a second direction moving unit for controlling the voice receiving apparatus to stop moving at a position where a recognition rate is lowered if a recognition rate of a voice control command received by the voice receiving apparatus from an initial voice receiving position to a plurality of different voice receiving positions by a voice control command from a sound source at the same position is raised and then lowered when moving in a second preset direction,
if the voice control command is received by the voice receiving device and sent by the sound source at the same position, the recognition rate of the voice control command is reduced all the time, and the voice receiving device is controlled to stop moving after the preset time length.
Preferably, the voice control instruction obtaining unit is further configured to receive the voice control instruction through a voice receiving device to wake up the voice control device, so that the voice control device is started.
Preferably, the preset path is a circumferential path, the first preset direction is a clockwise direction, and the second preset direction is a counterclockwise direction.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
according to the voice control method and the voice control device, the voice receiving device is controlled to move to the first voice receiving position with the maximum recognition rate of the received voice control instruction through the voice control device according to the voice control instruction sent by the sound source at the same position, and the accuracy of voice receiving and recognition in voice control is improved.
The voice control method further stores the sound source position of each sound source at different positions and the corresponding first voice receiving position, when the distance difference between the current sound source position and the historical sound source position is within the preset distance difference range, the voice receiving device is directly moved to the corresponding historical first voice receiving position to accurately receive the voice command, repeated analysis and calculation are not needed, calculation time is saved, and voice control is more timely and convenient.
The voice control method further comprises the steps of analyzing the noise of the controlled equipment and considering the control distance between the voice receiving device and the controlled equipment, finely adjusting the first voice receiving position to the second voice receiving position through the comprehensive control distance and the noise analysis, reducing the interference of the noise, enabling the accuracy of voice receiving and recognition to be higher, and further improving the efficiency of voice control.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a flowchart of a voice control method according to an embodiment of the present application;
FIG. 2 is a flow chart of a voice control method according to another embodiment of the present application;
FIG. 3 is a flow chart of a voice control method according to another embodiment of the present application;
FIG. 4 is a flow chart of a voice control method according to another embodiment of the present application;
FIG. 5 is a block diagram of a voice control apparatus according to an embodiment of the present application;
fig. 6 is a block diagram of a voice control apparatus according to another embodiment of the present application;
fig. 7 is a block diagram of a voice control apparatus according to another embodiment of the present application;
fig. 8 is a block diagram of a voice control apparatus according to another embodiment of the present application;
fig. 9 is a scene application diagram provided in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flowchart of a voice control method according to an embodiment of the present application; referring to fig. 1, the voice control method includes the steps of:
s0100: acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
s0200: acquiring a corresponding sound source position according to the voice control instruction;
s0300: controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions;
s0400: comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
s0500: taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
s0600: and moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment.
FIG. 2 is a flow chart of a voice control method according to another embodiment of the present application; referring to fig. 2, the voice control method includes the steps of:
s0100: acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
s0200: acquiring a corresponding sound source position according to the voice control instruction;
s0300: obtaining and comparing the distance difference between the sound source position and the historical sound source position stored in the historical sound source receiving position table to obtain the minimum distance difference;
s0400: judging whether the minimum distance difference is smaller than or equal to a preset distance difference;
s0500: if so, taking a historical first voice receiving position corresponding to the historical sound source position corresponding to the minimum distance difference in the historical sound source receiving position table as a first voice receiving position;
s0600: moving a voice receiving device to the first voice receiving position to receive a voice control instruction sent by a sound source at the same position corresponding to the historical first voice receiving position so as to control a controlled device;
s0700: if not, controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions;
s0800: comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
s0900: taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
s1000: moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
s1100: and storing the sound source position of the sound source at the same position and a first voice receiving position corresponding to the sound source position in a historical sound source receiving position table.
FIG. 3 is a flow chart of a voice control method according to another embodiment of the present application; referring to fig. 1, 2, and 3, based on the voice control method provided in fig. 1 or 2, the method further includes the following steps:
s1200: acquiring a control distance between a voice receiving device and controlled equipment;
s1300: when the controlled equipment is controlled to operate according to a voice control instruction received by a voice receiving device at a first voice receiving position, acquiring the current state of the controlled equipment;
s1400: acquiring noise information of a controlled device in a current state;
s1500: moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, enabling the voice receiving device to receive a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
FIG. 4 is a flow chart of a voice control method according to another embodiment of the present application; referring to fig. 1 and 4, step S0300 of the voice control method provided in fig. 1 includes the following steps:
s0310: controlling the voice receiving device to move along a first preset direction from an initial voice receiving position on a preset path;
s0320: moving along a first preset direction, and judging whether the recognition rate of a voice control instruction sent by a sound source at the same position received by the voice receiving device is increased and then decreased from an initial voice receiving position to a plurality of different voice receiving positions;
s0330: if so, controlling the voice receiving device to stop moving at the position where the recognition rate is reduced;
s0340: if not, the recognition rate is always reduced, and after the preset time length, the voice receiving device is controlled to move along a second preset direction;
s0350: moving along a second preset direction, and judging whether the recognition rate of a voice control instruction sent by a sound source at the same position received by a voice receiving device is increased and then decreased from the initial voice receiving position to a plurality of different voice receiving positions;
s0360: if so, controlling the voice receiving device to stop moving at the position where the recognition rate is reduced;
s0370: if not, the recognition rate is always reduced, and after the preset time length, the voice receiving device is controlled to stop moving.
FIG. 5 is a block diagram of a voice control apparatus according to an embodiment of the present application; referring to fig. 5, the voice control apparatus is mounted with a movable voice receiving apparatus, and includes:
the voice control instruction acquisition unit 010 is used for acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
a sound source position locating unit 020, configured to obtain a corresponding sound source position according to the voice control instruction;
a moving unit 030 for controlling the movement of the voice receiving apparatus based on a change in the recognition rate of the voice control command issued from the same position sound source received by the voice receiving apparatus at a plurality of different voice receiving positions;
the comparing unit 040 is configured to compare the recognition rates of the plurality of voice control instructions to obtain a maximum recognition rate;
a voice receiving position locating unit 050, configured to use a voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
the moving unit 030 is further configured to move the voice receiving apparatus to the first voice receiving position, so that the voice receiving apparatus receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled device.
Fig. 6 is a block diagram of a voice control apparatus according to another embodiment of the present application; referring to fig. 6, the voice control apparatus is mounted with a movable voice receiving apparatus, and includes:
the voice control instruction acquisition unit 010 is used for acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
a sound source position locating unit 020, configured to obtain a corresponding sound source position according to the voice control instruction;
a minimum distance difference obtaining unit 030, configured to obtain and compare distance differences between the current sound source position and all historical sound source positions in the historical sound source receiving position table, to obtain a minimum distance difference;
a voice receiving position locating unit 040 configured to, if the minimum distance difference is smaller than or equal to a preset distance difference, take a historical first voice receiving position corresponding to the historical sound source position corresponding to the minimum distance difference in the historical sound source receiving position table as a first voice receiving position;
a moving unit 050 configured to move a voice receiving apparatus to the first voice receiving position to receive a voice control instruction issued by a sound source at the same position corresponding to the historical first voice receiving position to control a controlled device;
the moving unit 050 is further configured to, if the minimum distance difference is greater than the preset distance difference, control the voice receiving device to move according to a change in a recognition rate of voice control commands sent by a sound source at the same position and received by the voice receiving device at multiple different voice receiving positions;
a comparing unit 060 configured to compare the recognition rates of the plurality of voice control commands to obtain a maximum recognition rate;
the voice receiving position locating unit 040 is further configured to use the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
the moving unit 050 is further configured to move the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled device;
the storage unit 070 is configured to store the sound source position of the sound source at the same position and the first voice receiving position corresponding to the sound source position in a history sound source receiving position table.
Fig. 7 is a block diagram of a voice control apparatus according to another embodiment of the present application; referring to fig. 7, based on fig. 5, a voice control apparatus is provided, which further includes:
a control distance acquiring unit 060 configured to acquire a control distance between the voice receiving apparatus and the controlled device;
the state acquiring unit 070 is used for acquiring the current state of the controlled equipment after the controlled equipment is controlled to operate according to the voice control instruction received by the voice receiving device at the first voice receiving position;
a noise information obtaining unit 080, configured to obtain noise information of a controlled device in a current state;
the moving unit 030 is further configured to move the voice receiving apparatus from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, so that the voice receiving apparatus receives a voice control instruction from a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
Fig. 8 is a block diagram of a voice control apparatus according to another embodiment of the present application; referring to fig. 8, based on fig. 6, a voice control apparatus is provided, which further includes:
a control distance acquisition unit 080 configured to acquire a control distance between the voice receiving apparatus and the controlled device;
the state obtaining unit 090 is configured to obtain a current state of the controlled device after the controlled device is controlled to operate according to the voice control instruction received by the voice receiving apparatus at the first voice receiving location;
a noise information obtaining unit 100, configured to obtain noise information of a controlled device in a current state;
the moving unit 050 is further configured to move the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
And circularly executing to obtain the sound source positions of sound sources at different positions and the first voice receiving position corresponding to the sound source position.
The voice control device acquires a current voice control instruction sent by a sound source at the same position through the voice receiving device and acquires a corresponding current sound source position; the voice control device matches the current sound source position with a historical sound source position in a historical sound source receiving position table, and if the current sound source position can be matched with a certain historical sound source position within a preset distance difference range, a historical first voice receiving position corresponding to the historical sound source position is directly called as the current first voice receiving position; and the voice control device moves the voice receiving device to the current first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the historical first voice receiving position to control the controlled equipment.
If the current sound source position is not matched with a certain historical sound source position within the preset distance difference range, the voice control device controls the voice receiving device to move according to the change of the recognition rate of the voice control instruction sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions, compares the recognition rates of a plurality of voice control instructions to obtain the maximum recognition rate, and takes the voice receiving position corresponding to the maximum recognition rate as the current first voice receiving position, so that the voice receiving device receives the voice control instruction at the current first voice receiving position to control the controlled equipment.
By the method, the accuracy of voice receiving and recognition in voice control is higher, the optimal voice receiving position of the voice receiving device does not need to be relocated and recalculated for voice instructions of sound sources at the same position, and the historical position data is directly called to move the voice receiving device, so that the expenditure of operation processing in the voice control process is reduced, the time is saved, and the method is more convenient, flexible and timely.
FIG. 9 is a diagram of a scene application provided by the present application; referring to fig. 9, the voice control method is applied to an air conditioner voice control application scenario, where the voice control device is an air conditioner companion, and the voice receiving device is a microphone.
The microphone receives a voice control instruction sent by a user at a fixed sound source position, converts the voice control instruction into an electric signal and transmits the electric signal to the air-conditioning partner, the air-conditioning partner receives the electric signal to start working, the air-conditioning partner calculates and analyzes according to the voice control instruction to obtain the recognition rate of the voice control instruction sent by the user at the current sound source position and the voice control instruction of the microphone at the initial voice receiving position, and simultaneously controls the microphone to move, the microphone continuously receives the voice control instruction sent by the user during moving and transmits the electric signal corresponding to the voice control instruction to the air-conditioning partner, the air-conditioning partner continuously calculates and analyzes to obtain the recognition rate of the voice control instruction received by the microphone at different voice receiving positions and compares the recognition rates of the voice control instructions corresponding to different voice receiving positions to obtain the maximum recognition rate, and the voice receiving position of the microphone corresponding to the maximum recognition rate is the time when the voice control instruction sent by the user at the fixed sound source position, the first voice receiving position of the microphone, namely the best voice receiving position.
In order to reduce the problem that when a user performs voice control on an air conditioner at the same fixed position in different time intervals, an air conditioner partner repeatedly calculates and analyzes a first voice receiving position of a microphone, so that the cost of calculation processing is overlarge, and the voice control delay is insufficient due to the time required by calculation processing, the method stores a first voice receiving position which is obtained for the first time and corresponds to different sound source positions (such as a doorway, a sofa and the like), when the user performs voice control on the air conditioner at the same sound source position at the next moment, the air conditioner partner directly calls the corresponding first voice receiving position from a historical sound source receiving position table as a current first voice receiving position to move the microphone to adjust the voice receiving position of the microphone, so that the problem of control delay caused by recalculation processing is effectively solved, in addition, as the general time of the voice of the user is short, and the air conditioner partner can effectively receive the user instruction more timely and efficiently through the voice control of the air conditioner, so that the voice control is more sensitive.
Because the air conditioner can generate noise in the working process, and the noise generated by the air conditioner is different in magnitude under different working modes and different temperatures, the noise interference can influence the microphone on the receiving of the voice control instruction of the user. Another improved place of the present application is to calculate the control distance between the microphone and the air conditioner, and the noise information of the air conditioner in the current working mode, and combine the current first voice receiving position of the microphone to adjust the microphone to the second voice receiving position, and the second voice receiving position is the position where the first voice receiving position is adjusted according to the control distance and the noise information, so that the ratio of the noise interference rate to the recognition rate is in the preset range, and a balance between the noise interference rate and the recognition rate of the voice control command is achieved, and further the noise interference of the air conditioner noise to the microphone is reduced.
Referring to fig. 9, the air conditioning partner includes a motor, a guide rail on which the air conditioning partner controls the microphone to move 360 degrees along a circumferential path by the motor.
According to the voice control method and the voice control device, the microphone is controlled to move to the first voice receiving position with the maximum recognition rate of the received voice control instruction through the air conditioner partner according to the voice control instruction sent by the sound source at the same position, and the accuracy of voice receiving and recognition in voice control is improved.
The voice control method further stores the sound source position of each sound source at different positions and the corresponding first voice receiving position, when the distance difference between the current sound source position and the historical sound source position is within the preset distance difference range, the microphone is directly moved to the corresponding historical first voice receiving position, so that the voice instruction can be accurately received, repeated analysis and calculation are not needed, the calculation time is saved, and the voice control is more timely, convenient and sensitive.
The voice control method further comprises the steps of analyzing the noise of the controlled equipment and considering the control distance between the microphone and the controlled equipment, finely adjusting the first voice receiving position to the second voice receiving position through the comprehensive control distance and the noise analysis, reducing the interference of the noise, enabling the accuracy of voice receiving and recognition to be higher, and further improving the efficiency of voice control.
In addition, the voice control method and the voice control device are not only applied to air conditioners, but also applicable to other household appliances such as televisions and lamps, so that the intelligent control of big data is more perfect, and the life of people is greatly facilitated.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A voice control method applied to a voice control apparatus equipped with a movable voice receiving apparatus, the method comprising:
acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
acquiring a corresponding sound source position according to the voice control instruction;
controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions;
comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
acquiring a control distance between a voice receiving device and controlled equipment;
when the controlled equipment is controlled to operate according to a voice control instruction received by a voice receiving device at a first voice receiving position, acquiring the current state of the controlled equipment;
acquiring noise information of a controlled device in a current state;
and moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, so that the voice receiving device receives a voice control command sent by a sound source at the same position corresponding to the first voice receiving position, and the second voice receiving position is a position in which the first voice receiving position is adjusted according to the control distance and the noise information, so that the ratio of the noise interference rate to the recognition rate is within a preset range.
2. A voice control method applied to a voice control apparatus equipped with a movable voice receiving apparatus, the method comprising:
acquiring a voice control instruction sent by a sound source at the same position through a voice receiving device;
acquiring a corresponding sound source position according to the voice control instruction;
obtaining and comparing the distance difference between the sound source position and the historical sound source position stored in the historical sound source receiving position table to obtain the minimum distance difference;
if the minimum distance difference is smaller than or equal to the preset distance difference, taking a historical first voice receiving position corresponding to the historical sound source position corresponding to the minimum distance difference in the historical sound source receiving position table as a first voice receiving position,
moving a voice receiving device to the first voice receiving position to receive a voice control instruction sent by a sound source at the same position corresponding to the historical first voice receiving position so as to control a controlled device;
if the minimum distance difference is larger than the preset distance difference, controlling the voice receiving device to move according to the change of the recognition rate of the voice control command sent by the sound source at the same position and received by the voice receiving device at a plurality of different voice receiving positions;
comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
taking the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
and storing the sound source position of the sound source at the same position and a first voice receiving position corresponding to the sound source position in a historical sound source receiving position table.
3. The method of claim 2, further comprising:
acquiring a control distance between a voice receiving device and controlled equipment;
when the controlled equipment is controlled to operate according to a voice control instruction received by a voice receiving device at a first voice receiving position, acquiring the current state of the controlled equipment;
acquiring noise information of a controlled device in a current state;
moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, enabling the voice receiving device to receive a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
4. The method according to claim 1 or 2, wherein the controlling of the movement of the voice receiving apparatus according to the change of the recognition rate of the voice control command issued by the same position sound source received by the voice receiving apparatus at a plurality of different voice receiving positions comprises:
controlling the voice receiving device to move along a first preset direction from the initial voice receiving position on a preset path,
if the recognition rate of the voice control command sent by the sound source at the same position received by the voice receiving device rises first and then falls when the voice receiving device moves along the first preset direction from the initial voice receiving position to a plurality of different voice receiving positions, the voice receiving device is controlled to stop moving at the position where the recognition rate falls,
if the voice control command is received by the voice receiving device from the initial voice receiving position to a plurality of different voice receiving positions when the voice receiving device moves along the first preset direction, the recognition rate of the voice control command sent by the sound source at the same position is always reduced, and the voice receiving device is controlled to move along the second preset direction after the preset time length;
if the recognition rate of the voice control command sent by the sound source at the same position received by the voice receiving device rises first and then falls when the voice receiving device moves along a second preset direction from the initial voice receiving position to a plurality of different voice receiving positions, the voice receiving device is controlled to stop moving at the position where the recognition rate falls,
if the voice control command is received by the voice receiving device and sent by the sound source at the same position, the recognition rate of the voice control command is reduced all the time, and the voice receiving device is controlled to stop moving after the preset time length.
5. A voice control apparatus, characterized in that the voice control apparatus is mounted with a movable voice receiving apparatus, the voice control apparatus comprising:
the voice control instruction acquisition unit is used for acquiring voice control instructions sent by sound sources at the same position through the voice receiving device;
the sound source position positioning unit is used for acquiring a corresponding sound source position according to the voice control instruction;
a moving unit for controlling the voice receiving apparatus to move according to a change in a recognition rate of a voice control command issued from a sound source at the same position received by the voice receiving apparatus at a plurality of different voice receiving positions;
the comparison unit is used for comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
a voice receiving position locating unit, configured to use the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
the mobile unit is further used for moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
the control distance acquisition unit is used for acquiring the control distance between the voice receiving device and the controlled equipment;
the state acquisition unit is used for acquiring the current state of the controlled equipment after the controlled equipment is controlled to operate according to the voice control instruction received by the voice receiving device at the first voice receiving position;
the noise information acquisition unit is used for acquiring the noise information of the controlled equipment in the current state;
and the moving unit is also used for moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, so that the voice receiving device receives a voice control command sent by a sound source at the same position corresponding to the first voice receiving position, and the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information, so that the ratio of the noise interference rate to the recognition rate is in a preset range.
6. A voice control apparatus, characterized in that the voice control apparatus is mounted with a movable voice receiving apparatus, the voice control apparatus comprising:
the voice control instruction acquisition unit is used for acquiring voice control instructions sent by sound sources at the same position through the voice receiving device;
the sound source position positioning unit is used for acquiring a corresponding sound source position according to the voice control instruction;
the minimum distance difference obtaining unit is used for obtaining and comparing the distance differences between the current sound source position and all historical sound source positions in the historical sound source receiving position table to obtain a minimum distance difference;
the voice receiving position positioning unit is used for taking a historical first voice receiving position corresponding to the historical sound source position corresponding to the minimum distance difference in the historical sound source receiving position table as a first voice receiving position if the minimum distance difference is smaller than or equal to a preset distance difference;
the mobile unit is used for moving the voice receiving device to the first voice receiving position so as to receive a voice control instruction sent by a sound source at the same position corresponding to the historical first voice receiving position and control controlled equipment;
the mobile unit is further configured to control the voice receiving device to move according to a change in a recognition rate of a voice control command sent by a sound source at the same position, which is received by the voice receiving device at a plurality of different voice receiving positions, if the minimum distance difference is greater than the preset distance difference;
the comparison unit is used for comparing the recognition rates of the voice control instructions to obtain the maximum recognition rate;
the voice receiving position positioning unit is further configured to use the voice receiving position corresponding to the maximum recognition rate as a first voice receiving position;
the mobile unit is further used for moving the voice receiving device to the first voice receiving position, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position to control the controlled equipment;
and the storage unit is used for storing the sound source position of the sound source at the same position and the first voice receiving position corresponding to the sound source position in a historical sound source receiving position table.
7. The apparatus of claim 6, wherein the voice control apparatus further comprises:
the control distance acquisition unit is used for acquiring the control distance between the voice receiving device and the controlled equipment;
the state acquisition unit is used for acquiring the current state of the controlled equipment after the controlled equipment is controlled to operate according to the voice control instruction received by the voice receiving device at the first voice receiving position;
the noise information acquisition unit is used for acquiring the noise information of the controlled equipment in the current state;
the mobile unit is also used for moving the voice receiving device from a first voice receiving position to a second voice receiving position according to the control distance and the noise information, so that the voice receiving device receives a voice control instruction sent by a sound source at the same position corresponding to the first voice receiving position,
the second voice receiving position is a position for adjusting the first voice receiving position according to the control distance and the noise information so that the ratio of the noise interference rate to the recognition rate is within a preset range.
8. The apparatus of claim 7, wherein the mobile unit comprises:
a first direction moving unit for controlling the voice receiving device to move along a first preset direction from the initial voice receiving position on a preset path,
if the recognition rate of the voice control command sent by the sound source at the same position received by the voice receiving device rises first and then falls when the voice receiving device moves along the first preset direction from the initial voice receiving position to a plurality of different voice receiving positions, the voice receiving device is controlled to stop moving at the position where the recognition rate falls,
if the voice control command is received by the voice receiving device from the initial voice receiving position to a plurality of different voice receiving positions when the voice receiving device moves along the first preset direction, the recognition rate of the voice control command sent by the sound source at the same position is always reduced, and the voice receiving device is controlled to move along the second preset direction after the preset time length;
a second direction moving unit for controlling the voice receiving apparatus to stop moving at a position where a recognition rate is lowered if a recognition rate of a voice control command received by the voice receiving apparatus from an initial voice receiving position to a plurality of different voice receiving positions by a voice control command from a sound source at the same position is raised and then lowered when moving in a second preset direction,
if the voice control command is received by the voice receiving device and sent by the sound source at the same position, the recognition rate of the voice control command is reduced all the time, and the voice receiving device is controlled to stop moving after the preset time length.
9. The device according to claim 8, wherein the voice control instruction obtaining unit is further configured to receive the voice control instruction through a voice receiving device to wake up the voice control device, so that the voice control device is started.
10. The apparatus of claim 8 wherein the predetermined path is a circumferential path.
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