CN104267618B - Sound control method and system based on infrared positioning - Google Patents
Sound control method and system based on infrared positioning Download PDFInfo
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- CN104267618B CN104267618B CN201410372856.1A CN201410372856A CN104267618B CN 104267618 B CN104267618 B CN 104267618B CN 201410372856 A CN201410372856 A CN 201410372856A CN 104267618 B CN104267618 B CN 104267618B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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Abstract
The invention discloses a kind of sound control method based on infrared positioning, when phonetic control command is detected, terminal obtains the infrared signal of predeterminated frequency；When the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response.The invention also discloses a kind of speech control system based on infrared positioning.The present invention improves the accuracy of Voice command.
Description
Technical field
The present invention relates to Voice command field, more particularly to sound control method and system based on infrared positioning.
Background technology
With the development of speech recognition technology, increasing terminal is controlled using voice, and existing voice terminal exists
When detecting phonetic control command, can be detectd based on the mapping relations between the phonetic control command and control routine for prestoring, response
The control routine corresponding to phonetic control command for measuring.
But due to the presence for having the artificial sound source such as TV, sound equipment, radio in terminal operating environment, cause the language for receiving
Sound control instruction may be sent by sound sources such as above-mentioned TV, sound equipment, radios, the control routine of possible false triggering mistake, be caused
The Voice command accuracy rate of terminal is low.
The content of the invention
The technical problem low it is a primary object of the present invention to solve Voice command accuracy rate.
To achieve the above object, a kind of sound control method based on infrared positioning that the present invention is provided, it is described based on red
The sound control method of outside fix is comprised the following steps：
When phonetic control command is detected, terminal obtains the infrared signal of predeterminated frequency；
When the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response.
Preferably, it is described when phonetic control command is detected, terminal obtain predeterminated frequency infrared signal the step of wrap
Include：
When phonetic control command is detected, the phonetic order that the terminal is based on detecting determines Sounnd source direction；
The terminal control infrared signal detection means points to the Sounnd source direction, and obtains the infrared letter of predeterminated frequency
Number.
Preferably, it is described when the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response
The step of include；
When the infrared signal of predeterminated frequency is got, the terminal determines the signal source of the infrared signal for getting
The infrared detection region at place；
If in Preset Time time interval, being got in other detection zones in addition to the infrared detection region for determining pre-
If the infrared signal of frequency, then phonetic control command described in the terminal response；
If or in the prefixed time interval before detecting phonetic control command, except determine infrared detection region it
Other outer detection zones get the infrared signal of predeterminated frequency, then phonetic control command described in the terminal response.
Preferably, it is described when the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response
The step of include：
When the infrared signal of predeterminated frequency is got, the terminal determines to detect the time point of phonetic control command；
The terminal determine image acquiring device it is determined that the image that gets of time point, and image to getting enters
Row treatment, to obtain humanoid profile；
When humanoid profile is got from the image for getting, phonetic control command described in the terminal response.
Preferably, it is described when humanoid profile is got from the image for getting, voice control described in the terminal response
The step of system instruction, includes：
When humanoid profile is got from the image for getting, the terminal is based on the humanoid profile for getting, it is determined that
Whether lip contour changes described in the image for getting；
When it is determined that whether lip contour changes described in the image for getting, voice control described in the terminal response
System instruction.
Preferably, it is described when the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response
Including：
When the infrared signal of predeterminated frequency is got, the terminal determines the infrared letter got in prefixed time interval
Number frequency whether stablize；
In the frequency stabilization of the infrared signal for getting, phonetic control command described in the terminal response.
Preferably, it is described when the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response
The step of after, the sound control method based on infrared positioning includes：
When the infrared signal of predeterminated frequency is not got, corresponding to the phonetic control command that the terminal will be detected
Sounnd source direction is stored as abnormal direction.
Preferably, the sound control method based on infrared positioning also includes：
In the phonetic control command for detecting, and Sounnd source direction corresponding to the phonetic control command for detecting with prestore
When abnormal direction is mismatched, phonetic control command described in the terminal response.
Additionally, to achieve the above object, the present invention also proposes a kind of speech control system based on infrared positioning, the base
Include in the speech control system of infrared positioning：
Acquisition module, for when phonetic control command is detected, obtaining the predeterminated frequency that infrared detecting device is detected
Infrared signal；
Processing module, for when the infrared signal of predeterminated frequency is got, responding the phonetic control command.
Preferably, the acquisition module includes：
Determining unit, for when phonetic control command is detected, Sounnd source direction being determined based on the phonetic order for detecting；
Acquiring unit, for controlling infrared signal detection means to point to the Sounnd source direction, and obtains the red of predeterminated frequency
External signal.
Preferably, the processing module includes；
Determining unit, for when the infrared signal of predeterminated frequency is got, it is determined that the infrared signal for getting
Infrared detection region where signal source；
Processing unit, if in Preset Time time interval, in other inspections in addition to the infrared detection region for determining
The infrared signal that region gets predeterminated frequency is surveyed, then responds the phonetic control command；If or detecting Voice command and referring to
In prefixed time interval before order, predeterminated frequency is got in other detection zones in addition to the infrared detection region for determining
Infrared signal, then respond the phonetic control command.
Preferably, the processing module includes：
Determining unit, for when the infrared signal of predeterminated frequency is got, it is determined that detect phonetic control command when
Between point；
Graphics processing unit, for determine image acquiring device it is determined that the image that gets of time point, and to obtaining
To image processed, to obtain humanoid profile；
Response unit, for when humanoid profile is got from the image for getting, responding the phonetic control command.
Preferably, the response unit includes：
Determination subelement, for when humanoid profile is got from the image for getting, based on the humanoid wheel for getting
Exterior feature, it is determined that whether lip contour changes described in the image for getting；
Response subelement, for when it is determined that whether lip contour changes described in the image for getting, responding institute
State phonetic control command.
Preferably, the processing module includes：
Determining unit, for when the infrared signal of predeterminated frequency is got, determining what is got in prefixed time interval
Whether the frequency of infrared signal is stablized；
Response unit, during for frequency stabilization in the infrared signal for getting, responds the phonetic control command.
Preferably, the speech control system based on infrared positioning also includes：
Memory module, for the phonetic control command institute that when the infrared signal of predeterminated frequency is not got, will be detected
Corresponding Sounnd source direction is stored as abnormal direction.
Preferably, the processing module is additionally operable to, and in the phonetic control command for detecting, and the Voice command for detecting refers to
When the corresponding Sounnd source direction of order is mismatched with the abnormal direction for prestoring, the phonetic control command is responded.
Sound control method and system based on infrared positioning proposed by the present invention, it is infrared by what is communicated with terminal
Detection means carries out the detection of the infrared signal of predeterminated frequency, with determine whether in terminal operating environment whether someone, in detecting
During to phonetic control command, if get the infrared signal of predeterminated frequency, phonetic control command described in terminal response, to protect
It is not that machine sends to demonstrate,prove the phonetic control command, improves the accuracy of Voice command.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of the preferred embodiment of the terminal of Voice command of the present invention based on infrared positioning；
Fig. 2 is the high-level schematic functional block diagram of the speech control system preferred embodiment based on infrared positioning in Fig. 1；
Fig. 3 is the schematic flow sheet of sound control method preferred embodiment of the present invention based on infrared positioning.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, Fig. 1 is the hardware configuration of the preferred embodiment of the terminal of Voice command of the present invention based on infrared positioning
Schematic diagram.
The terminal 1 includes processing unit 11, memory cell 12, voice pickup unit 13, infrared detection unit 14 and base
In the speech control system 15 of infrared positioning.
Voice pickup unit 13, audio is converted to for when the vibrations of sound wave are received, will shake the electric signal for producing
Signal.
Infrared detection unit 14, the infrared signal for obtaining predeterminated frequency.
Memory cell 12, for speech control system 15 and its service data based on infrared positioning, phonetic control command
Mapping relations between control routine.It is emphasized that the memory cell 12 both can be a single storage device,
Can also be the general designation of multiple difference storage devices, therefore not to repeat here.
The processing unit 11, for calling and perform this be based on infrared positioning speech control system 15, voice pickup
When unit 13 detects audio signal, the infrared signal that infrared detection unit 14 is detected is obtained, getting predeterminated frequency
During infrared signal, the phonetic control command is responded.The processing unit 11 and memory cell 12 both can be respectively single lists
Unit, it is also possible to integrate, constitutes a controller, and therefore not to repeat here.
The present invention provides a kind of speech control system based on infrared positioning.
Reference picture 2, Fig. 2 is that the functional module of the speech control system preferred embodiment based on infrared positioning in Fig. 1 is illustrated
Figure.
The speech control system 15 based on infrared positioning that the present embodiment is proposed, including：
Acquisition module 151, for when phonetic control command is detected, obtaining the default frequency that infrared detecting device is detected
The infrared signal of rate；
In the present embodiment, infrared detecting device is preferably infrared sensor, and due to artificial homeothermal animal, what is detected is red
The frequency of external signal is certain, when infrared sensor detects infrared signal, the frequency of the infrared signal that acquisition is detected,
When the frequency of infrared signal is in the range of default (human body infrared frequency), then it is human body that the infrared ray for detecting can be explained
Give out, then it is assumed that someone in the running environment of the terminal, or infrared sensor is set to only to receive a certain frequency model
The sensor of the infrared signal enclosed, the frequency range belongs to the scope of human body infrared frequency, when infrared signal is received, then
Think someone in the running environment of the terminal.
In the present embodiment, multiple infrared detecting device, the different direction of each infrared detecting device correspondence, to examine can be set
Survey in different detection zones whether someone；Or the infrared detecting device is wide-angle infrared detecting device, can receive interior
The infrared ray that the thermal source of different angles sends；Or infrared detecting device is unidirectional infrared sensor, is only capable of detecting fixation side
To infrared ray, can control the infrared detecting device and rotated according to default rotation direction (as clockwise), to receive not
Equidirectional infrared signal.
Processing module 152, for when the infrared signal of predeterminated frequency is got, responding the phonetic control command.
In the present embodiment, the mapping relations between default phonetic control command and control routine, response detecting can be based on
The phonetic control command for arriving.
It will be appreciated by persons skilled in the art that improving the accuracy of Voice command, processing module 152 includes：Feature
Acquiring unit, for when the infrared signal of predeterminated frequency is got, the terminal obtains the phonetic control command that detects
Sound characteristic；Response unit, for when the vocal print feature for getting is matched with default sound characteristic, responding the voice control
System instruction.The sound characteristic can be vocal print feature, the frequency of phonetic control command, acoustic pressure or sound pressure level etc..
Further, to improve the flexibility to Voice command.The Voice command that processing module 152 can be based on detecting refers to
The Sounnd source direction of order is controlled accordingly.For example, when terminal is air-conditioner, the sky where processing module 152 controls it
Point to/avoid the Sounnd source direction of the phonetic control command for detecting in the wind deflector direction of tune device.
The speech control system based on infrared positioning that the present embodiment is proposed, by the infrared detection communicated with terminal
Device carries out the detection of the infrared signal of predeterminated frequency, with determine whether in terminal operating environment whether someone, detecting language
During sound control instruction, if get the infrared signal of predeterminated frequency, phonetic control command described in terminal response, to ensure to be somebody's turn to do
Phonetic control command is not that machine sends, and improves the accuracy of Voice command.
Further, it is the accuracy that improves Voice command, the acquisition module 151 includes：
Determining unit, for when phonetic control command is detected, Sounnd source direction being determined based on the phonetic order for detecting；
In the present embodiment, Sounnd source direction can in the following manner be determined：
1) sound source corresponding to the phonetic control command that receives, is determined by the shotgun microphone that is scanned as preset direction
Direction, concrete scheme is as follows：Control module control shotgun microphone is scanned according to default direction, is receiving voice control
During system instruction, the current radio reception direction of determining unit 151 shotgun microphone；The air-conditioner determines working as the shotgun microphone
Preceding radio reception direction is Sounnd source direction.The shotgun microphone can be scanned by direction pivots clockwise or counter-clockwise, or by starting point to eventually
Point, then by terminal to starting point particles.
2) Sounnd source direction corresponding to the phonetic control command that receives, is determined by microphone array, concrete scheme is such as
Under：When Voice command phonetic order is received, terminal determines to receive the microphone of phonetic control command in microphone array,
And the microphone for determining receives the time difference of phonetic control command, it is determined that the sound source side of the Voice command phonetic order for receiving
To.This receives the time difference of phonetic control command according to microphone, it is determined that the sound source of the wind direction control voice instruction for receiving
Direction is prior art, be will not be repeated here.
What the mode of the two kinds of determination Sounnd source directions enumerated listed above was merely exemplary, those skilled in the art utilize
Technological thought of the invention, the mode of other determination Sounnd source directions proposed according to its real needs is in protection of the invention
In the range of, do not carry out herein exhaustive one by one.
Acquiring unit, for controlling infrared signal detection means to point to the Sounnd source direction, and obtains the red of predeterminated frequency
External signal.
In the present embodiment, can control directional ir detection means and turn to Sounnd source direction, whether to determine Sounnd source direction
Someone, infrared detecting device illustrates that the audio signal is sent by people when Sounnd source direction gets the infrared signal of predeterminated frequency,
Now respond the phonetic control command.
Further, it is the accuracy that improves Voice command, the processing module 152 includes；
Determining unit, for when the infrared signal of predeterminated frequency is got, it is determined that the infrared signal for getting
Infrared detection region where signal source；
Processing unit, if in Preset Time time interval, in other inspections in addition to the infrared detection region for determining
The infrared signal that region gets predeterminated frequency is surveyed, then responds the phonetic control command；If or detecting Voice command and referring to
In prefixed time interval before order, predeterminated frequency is got in other detection zones in addition to the infrared detection region for determining
Infrared signal, then respond the phonetic control command.
In the present embodiment, the infrared detecting device of multiple different directions can be set in terminal, default frequency is being got
During the infrared signal of rate, it may be determined that get the infrared detecting device of predeterminated frequency infrared signal, and within a preset time interval
When other infrared detecting devices get infrared signal, the movement of someone is illustrated, the infrared signal is not belonging to fix thermal source generation
, the phonetic control command that response is received；Or, there is it in the prefixed time interval before phonetic control command is detected
When its infrared detecting device gets infrared signal, the movement of someone is illustrated, the infrared signal is not belonging to fix thermal source generation,
The phonetic control command that response is received.
Or, the unidirectional infrared detecting device in controllable terminal is rotated according to default direction, is getting default frequency
During the infrared signal of rate, it is determined that unidirectional infrared detecting device works as front direction, and infrared detecting device position within a preset time interval
When other directions receive the infrared signal of predeterminated frequency, the movement of someone is illustrated, the infrared signal is not belonging to fix thermal source
Produce, the phonetic control command that response is received.
Further, it is the accuracy that improves Voice command, the processing module 152 includes：
Determining unit 1521, for when the infrared signal of predeterminated frequency is got, it is determined that detecting phonetic control command
Time point；
Graphics processing unit 1522, for determine image acquiring device it is determined that the image that gets of time point, it is and right
The image for getting is processed, to obtain humanoid profile；
When the infrared signal of predeterminated frequency is received, the occurring source of the infrared signal may be other devices, such as positive
Light is exposed to the sun to the furniture of human body temperature, thus based on image acquiring device obtain image with the running environment for determining terminal whether
Someone.In the present embodiment, corresponding profile is generated based on the color change in the image for getting, and by the profile with it is default
Humanoid profile compare, when the profile is matched with default humanoid profile, determine the profile of the generation for humanoid profile,
Or the profile of the generation is compared with default feature contour, such as contouring head and hand profile, in generation
When profile is matched with feature contour, the profile for determining the generation is humanoid profile.
Response unit 1523, for when humanoid profile is got from the image for getting, responding the Voice command
Instruction.
It will be appreciated by persons skilled in the art that the accuracy to improve Voice command, can be set multiple different directions
Image collecting device, the processing module 152 includes：Determining unit, for when the infrared signal of predeterminated frequency is detected,
It is determined that the corresponding Sounnd source direction of the phonetic control command for detecting, and the time point for detecting phonetic control command；At image
Reason unit, for determine the image acquiring device of the Sounnd source direction it is determined that the image that gets of time point, and to obtaining
To image processed, to obtain humanoid profile；Response unit, for getting humanoid profile from the image for getting
When, respond the phonetic control command.
Further, it is the accuracy that improves Voice command, the response unit 1523 includes：
Determination subelement, for when humanoid profile is got from the image for getting, based on the humanoid wheel for getting
Exterior feature, it is determined that whether lip contour changes described in the image for getting；
Response subelement, for when it is determined that whether lip contour changes described in the image for getting, responding institute
State phonetic control command.
In the present embodiment, when humanoid profile is got, it is determined that the lip contour in the image for getting, and can determine
Whether lip contour changes, and when lip contour changes, explanation is that people is occurring, and now responds the Voice command
Instruction.
Further, to reduce overhead, the speech control system based on infrared positioning also includes：
Memory module, for the phonetic control command institute that when the infrared signal of predeterminated frequency is not got, will be detected
Corresponding Sounnd source direction is stored as abnormal direction.
In the present embodiment, the Sounnd source direction of infrared signal of predeterminated frequency will not detected as abnormal direction, is then being detectd
When the Sounnd source direction corresponding to phonetic control command for measuring is abnormal direction, without obtaining the infrared signal of predeterminated frequency, directly
Connect and be left intact.
It will be appreciated by persons skilled in the art that memory module is additionally operable to, getting the infrared signal of predeterminated frequency,
And when not getting humanoid profile based on image acquiring device, the Sounnd source direction corresponding to phonetic control command that will be detected is deposited
It is abnormal direction to store up.
In the present embodiment, the processing module 152 is additionally operable to, in the phonetic control command for detecting, and detect
When Sounnd source direction corresponding to phonetic control command is mismatched with the abnormal direction for prestoring, the phonetic control command is responded.
The present invention further provides a kind of sound control method based on infrared positioning.
Reference picture 3, Fig. 3 is the schematic flow sheet of sound control method preferred embodiment of the present invention based on infrared positioning.
The present embodiment proposes a kind of sound control method based on infrared positioning, including：
Step S10, when phonetic control command is detected, terminal obtains the infrared signal of predeterminated frequency；
In the present embodiment, infrared detecting device is preferably infrared sensor, and due to artificial homeothermal animal, what is detected is red
The frequency of external signal is certain, when infrared sensor detects infrared signal, the frequency of the infrared signal that acquisition is detected,
When the frequency of infrared signal is in the range of default (human body infrared frequency), then it is human body that the infrared ray for detecting can be explained
Give out, then it is assumed that someone in the running environment of the terminal, or infrared sensor is set to only to receive a certain frequency model
The sensor of the infrared signal enclosed, the frequency range belongs to the scope of human body infrared frequency, when infrared signal is received, then
Think someone in the running environment of the terminal.
In the present embodiment, multiple infrared detecting device, the different direction of each infrared detecting device correspondence, to examine can be set
Survey in different detection zones whether someone；Or the infrared detecting device is wide-angle infrared detecting device, can receive interior
The infrared ray that the thermal source of different angles sends；Or infrared detecting device is unidirectional infrared sensor, is only capable of detecting fixation side
To infrared ray, can control the infrared detecting device and rotated according to default rotation direction (as clockwise), to receive not
Equidirectional infrared signal.
Step S20, when the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response.
In the present embodiment, the mapping relations between default phonetic control command and control routine, response detecting can be based on
The phonetic control command for arriving.
It will be appreciated by persons skilled in the art that improving the accuracy of Voice command, step S20 also includes：Obtaining
To predeterminated frequency infrared signal when, the terminal obtains the sound characteristic of the phonetic control command for detecting, what is got
When vocal print feature is matched with default sound characteristic, the phonetic control command is responded.The sound characteristic can be vocal print feature, language
The frequency of sound control instruction, acoustic pressure or sound pressure level etc..
Further, to improve the flexibility to Voice command.After step S20, the voice control for detecting can be based on
The Sounnd source direction for making instruction is controlled accordingly.For example, when terminal is air-conditioner, after step S20, air-conditioner control
Point to/avoid the Sounnd source direction of the phonetic control command for detecting in its wind deflector direction.
The sound control method based on infrared positioning that the present embodiment is proposed, by the infrared detection communicated with terminal
Device carries out the detection of the infrared signal of predeterminated frequency, with determine whether in terminal operating environment whether someone, detecting language
During sound control instruction, if get the infrared signal of predeterminated frequency, phonetic control command described in terminal response, to ensure to be somebody's turn to do
Phonetic control command is not that machine sends, and improves the accuracy of Voice command.
Further, it is the accuracy that improves Voice command, the step S10 includes：
Step S11, when phonetic control command is detected, the phonetic order that the terminal is based on detecting determines sound source side
To；
In the present embodiment, Sounnd source direction can in the following manner be determined：
1) sound source corresponding to the phonetic control command that receives, is determined by the shotgun microphone that is scanned as preset direction
Direction, concrete scheme is as follows：Control module control shotgun microphone is scanned according to default direction, is receiving voice control
During system instruction, the current radio reception direction of determining unit 151 shotgun microphone；The air-conditioner determines working as the shotgun microphone
Preceding radio reception direction is Sounnd source direction.The shotgun microphone can be scanned by direction pivots clockwise or counter-clockwise, or by starting point to eventually
Point, then by terminal to starting point particles.
2) Sounnd source direction corresponding to the phonetic control command that receives, is determined by microphone array, concrete scheme is such as
Under：When Voice command phonetic order is received, terminal determines to receive the microphone of phonetic control command in microphone array,
And the microphone for determining receives the time difference of phonetic control command, it is determined that the sound source side of the Voice command phonetic order for receiving
To.This receives the time difference of phonetic control command according to microphone, it is determined that the sound source of the wind direction control voice instruction for receiving
Direction is prior art, be will not be repeated here.
What the mode of the two kinds of determination Sounnd source directions enumerated listed above was merely exemplary, those skilled in the art utilize
Technological thought of the invention, the mode of other determination Sounnd source directions proposed according to its real needs is in protection of the invention
In the range of, do not carry out herein exhaustive one by one.
Step S12, the terminal control infrared signal detection means points to the Sounnd source direction, and obtains predeterminated frequency
Infrared signal.
In the present embodiment, can control directional ir detection means and turn to Sounnd source direction, whether to determine Sounnd source direction
Someone, infrared detecting device illustrates that the audio signal is sent by people when Sounnd source direction gets the infrared signal of predeterminated frequency,
Now respond the phonetic control command.
Further, it is the accuracy that improves Voice command, the step S20 includes；
Step S21, when the infrared signal of predeterminated frequency is got, the terminal determines the infrared signal for getting
Signal source where infrared detection region；
Step S22, if in Preset Time time interval, in other detection zones in addition to the infrared detection region for determining
The infrared signal of predeterminated frequency is got, then phonetic control command described in the terminal response；If or detecting Voice command
In prefixed time interval before instruction, default frequency is got in other detection zones in addition to the infrared detection region for determining
The infrared signal of rate, then phonetic control command described in the terminal response.
In the present embodiment, the infrared detecting device of multiple different directions can be set in terminal, default frequency is being got
During the infrared signal of rate, it may be determined that get the infrared detecting device of predeterminated frequency infrared signal, and within a preset time interval
When other infrared detecting devices get infrared signal, the movement of someone is illustrated, the infrared signal is not belonging to fix thermal source generation
, the phonetic control command that response is received；Or, there is it in the prefixed time interval before phonetic control command is detected
When its infrared detecting device gets infrared signal, the movement of someone is illustrated, the infrared signal is not belonging to fix thermal source generation,
The phonetic control command that response is received.
Or, the unidirectional infrared detecting device in controllable terminal is rotated according to default direction, is getting default frequency
During the infrared signal of rate, it is determined that unidirectional infrared detecting device works as front direction, and infrared detecting device position within a preset time interval
When other directions receive the infrared signal of predeterminated frequency, the movement of someone is illustrated, the infrared signal is not belonging to fix thermal source
Produce, the phonetic control command that response is received.
Further, it is the accuracy that improves Voice command, the step S20 includes：
Step S21, when the infrared signal of predeterminated frequency is got, the terminal determines to detect phonetic control command
Time point；
Step S22, the terminal determine image acquiring device it is determined that the image that gets of time point, and to getting
Image processed, to obtain humanoid profile；
Step S23, when humanoid profile is got from the image for getting, Voice command described in the terminal response refers to
Order.
When the infrared signal of predeterminated frequency is received, the occurring source of the infrared signal may be other devices, such as positive
Light is exposed to the sun to the furniture of human body temperature, thus based on image acquiring device obtain image with the running environment for determining terminal whether
Someone.In the present embodiment, corresponding profile is generated based on the color change in the image for getting, and by the profile with it is default
Humanoid profile compare, when the profile is matched with default humanoid profile, determine the profile of the generation for humanoid profile,
Or the profile of the generation is compared with default feature contour, such as contouring head and hand profile, in generation
When profile is matched with feature contour, the profile for determining the generation is humanoid profile.
It will be appreciated by persons skilled in the art that the accuracy to improve Voice command, can be set multiple different directions
Image collecting device, the step S20 includes：When the infrared signal of predeterminated frequency is detected, the terminal determines detecting
The corresponding Sounnd source direction of phonetic control command for arriving, and the time point for detecting phonetic control command；The terminal determines institute
State the image acquiring device of Sounnd source direction it is determined that the image that gets of time point, and image to getting processes,
To obtain humanoid profile；When humanoid profile is got from the image for getting, Voice command described in the terminal response refers to
Order.
Further, it is the accuracy that improves Voice command, the step S23 includes：
When humanoid profile is got from the image for getting, the terminal is based on the humanoid profile for getting, it is determined that
Whether lip contour changes described in the image for getting；
When it is determined that whether lip contour changes described in the image for getting, voice control described in the terminal response
System instruction.
In the present embodiment, when humanoid profile is got, it is determined that the lip contour in the image for getting, and can determine
Whether lip contour changes, and when lip contour changes, explanation is that people is occurring, and now responds the Voice command
Instruction.
Further, to reduce overhead, after the step S10, the sound control method based on infrared positioning is also
Including step：
When the infrared signal of predeterminated frequency is not got, corresponding to the phonetic control command that the terminal will be detected
Sounnd source direction is stored as abnormal direction.
In the present embodiment, the Sounnd source direction of infrared signal of predeterminated frequency will not detected as abnormal direction, is then being detectd
When the Sounnd source direction corresponding to phonetic control command for measuring is abnormal direction, without obtaining the infrared signal of predeterminated frequency, directly
Connect and be left intact.
It will be appreciated by persons skilled in the art that after the step S10, the sound control method based on infrared positioning
Also include step：Getting the infrared signal of predeterminated frequency, and when not getting humanoid profile based on image acquiring device, institute
State the Sounnd source direction corresponding to the phonetic control command that terminal will be detected and be stored as abnormal direction.
In the present embodiment, the sound control method based on infrared positioning also includes step：In the voice for detecting
Control instruction, and Sounnd source direction corresponding to the phonetic control command for detecting with the abnormal direction for prestoring when mismatching, it is described
Phonetic control command described in terminal response.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or system institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (14)
1. a kind of sound control method based on infrared positioning, it is characterised in that the Voice command side based on infrared positioning
Method is comprised the following steps：
When phonetic control command is detected, terminal obtains the infrared signal of predeterminated frequency；
When the infrared signal of predeterminated frequency is got, phonetic control command described in the terminal response；
Wherein, it is described when the infrared signal of predeterminated frequency is got, described in the terminal response the step of phonetic control command
Including：
When the infrared signal of predeterminated frequency is got, the terminal obtains the sound characteristic of the phonetic control command for detecting；
When the sound characteristic for getting is matched with default sound characteristic, the terminal determines to detect phonetic control command
Time point；
The terminal determine image acquiring device it is determined that the image that gets of time point, and at the image that gets
Reason, to obtain humanoid profile, wherein, the color change that the terminal is based in the image for getting generates corresponding profile, and
The profile is compared with default humanoid profile or default feature contour, in the profile and default humanoid profile or pre-
If feature contour match when, determine the generation profile be humanoid profile；
When humanoid profile is got from the image for getting, phonetic control command described in the terminal response.
2. the sound control method of infrared positioning is based on as claimed in claim 1, it is characterised in that described to detect voice
Include during control instruction, the step of the terminal obtains the infrared signal of predeterminated frequency：
When phonetic control command is detected, the phonetic order that the terminal is based on detecting determines Sounnd source direction；
The terminal control infrared signal detection means points to the Sounnd source direction, and obtains the infrared signal of predeterminated frequency.
3. the sound control method of infrared positioning is based on as claimed in claim 1 or 2, it is characterised in that the terminal is provided with
The infrared detecting device of multiple different directions, it is described when the infrared signal of predeterminated frequency is got, described in the terminal response
The step of phonetic control command, includes；
When the infrared signal of predeterminated frequency is got, the terminal is determined where the signal source of the infrared signal for getting
Infrared detection region, wherein it is determined that infrared detection region be the infrared detecting device for getting predeterminated frequency infrared signal
Corresponding infrared detection region；
If in Preset Time time interval, in the detection zone of other infrared detecting devices in addition to the infrared detection region for determining
Domain gets the infrared signal of predeterminated frequency, then phonetic control command described in the terminal response；
If or in the prefixed time interval before detecting phonetic control command, except determine infrared detection region in addition to
The detection zone of other infrared detecting devices gets the infrared signal of predeterminated frequency, then Voice command described in the terminal response
Instruction.
4. the sound control method based on infrared positioning as claimed in claim 1, it is characterised in that described from getting
When getting humanoid profile in image, include the step of phonetic control command described in the terminal response：
When humanoid profile is got from the image for getting, the terminal is based on the humanoid profile for getting, it is determined that obtaining
To image in lip contour whether change；
When it is determined that lip contour changes described in the image for getting, phonetic control command described in the terminal response.
5. as claimed in claim 1 based on infrared positioning sound control method, it is characterised in that it is described get it is default
During the infrared signal of frequency, phonetic control command described in the terminal response includes：
When the infrared signal of predeterminated frequency is got, the terminal determines the infrared signal got in prefixed time interval
Whether frequency is stablized；
In the frequency stabilization of the infrared signal for getting, phonetic control command described in the terminal response.
6. the sound control method of infrared positioning is based on as claimed in claim 1 or 2, it is characterised in that described to get
During the infrared signal of predeterminated frequency, described in the terminal response the step of phonetic control command after, it is described based on infrared positioning
Sound control method include：
When the infrared signal of predeterminated frequency is not got, the sound source corresponding to phonetic control command that the terminal will be detected
Direction is stored as abnormal direction.
7. the sound control method of infrared positioning is based on as claimed in claim 6, it is characterised in that described based on infrared positioning
Sound control method also include：
In the phonetic control command for detecting, and Sounnd source direction and the exception for prestoring corresponding to the phonetic control command for detecting
When direction mismatches, phonetic control command described in the terminal response.
8. a kind of speech control system based on infrared positioning, it is characterised in that the Voice command system based on infrared positioning
System includes：
Acquisition module, for when phonetic control command is detected, obtaining the red of the predeterminated frequency that infrared detecting device is detected
External signal；
Processing module, for when the infrared signal of predeterminated frequency is got, responding the phonetic control command；
Wherein, the processing module includes：
Feature acquiring unit, for when the infrared signal of predeterminated frequency is got, obtaining the phonetic control command for detecting
Sound characteristic；
Determining unit, for when the sound characteristic for getting is matched with default sound characteristic, it is determined that detecting Voice command
The time point of instruction；
Graphics processing unit, for determine image acquiring device it is determined that the time point image that gets, and to getting
Image is processed, to obtain humanoid profile, wherein, described image processing unit is based on the color change in the image for getting
Generate corresponding profile, and the profile compared with default humanoid profile or default feature contour, the profile with
When default humanoid profile or default feature contour are matched, the profile for determining the generation is humanoid profile；
Response unit, for when humanoid profile is got from the image for getting, responding the phonetic control command.
9. the speech control system of infrared positioning is based on as claimed in claim 8, it is characterised in that the acquisition module bag
Include：
Determining unit, for when phonetic control command is detected, Sounnd source direction being determined based on the phonetic order for detecting；
Acquiring unit, for controlling infrared signal detection means to point to the Sounnd source direction, and obtains the infrared letter of predeterminated frequency
Number.
10. the speech control system of infrared positioning is based on as claimed in claim 8 or 9, it is characterised in that described based on infrared
The speech control system of positioning is provided with the infrared detecting device of multiple different directions, and the processing module includes：
Determining unit, for when the infrared signal of predeterminated frequency is got, it is determined that the signal of the infrared signal for getting
Infrared detection region where source, wherein it is determined that infrared detection region be the infrared inspection for getting predeterminated frequency infrared signal
Survey the corresponding infrared detection region of device；
Processing unit, if in Preset Time time interval, in other the infrared inspections in addition to the infrared detection region for determining
The detection zone for surveying device gets the infrared signal of predeterminated frequency, then respond the phonetic control command；If or detecting
In prefixed time interval before phonetic control command, in other infrared detecting devices in addition to the infrared detection region for determining
Detection zone get the infrared signal of predeterminated frequency, then respond the phonetic control command.
11. speech control systems for being based on infrared positioning as claimed in claim 8, it is characterised in that the response unit bag
Include：
Determination subelement, for when humanoid profile is got from the image for getting, based on the humanoid profile for getting, really
Surely whether lip contour changes in the image for getting；
Response subelement, for when it is determined that lip contour changes described in the image for getting, responding the voice control
System instruction.
12. speech control systems for being based on infrared positioning as claimed in claim 8, it is characterised in that the processing module bag
Include：
Determining unit, it is infrared for when the infrared signal of predeterminated frequency is got, determine to be got in prefixed time interval
Whether the frequency of signal is stablized；
Response unit, during for frequency stabilization in the infrared signal for getting, responds the phonetic control command.
13. speech control systems for being based on infrared positioning as claimed in claim 8 or 9, it is characterised in that described based on infrared
The speech control system of positioning also includes：
Memory module, for when the infrared signal of predeterminated frequency is not got, corresponding to the phonetic control command that will be detected
Sounnd source direction be stored as abnormal direction.
14. speech control systems for being based on infrared positioning as claimed in claim 13, it is characterised in that the processing module is also
For in the phonetic control command for detecting, and Sounnd source direction corresponding to the phonetic control command for detecting to be different with what is prestored
When Chang Fangxiang is mismatched, the phonetic control command is responded.
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| CN104834222B (en) * | 2015-04-30 | 2018-11-27 | 广东美的制冷设备有限公司 | The control method and device of household electrical appliance |
| CN107799118A (en) * | 2016-09-05 | 2018-03-13 | 深圳光启合众科技有限公司 | Voice directions recognition methods and apparatus and system, home controller |
| CN106356061A (en) * | 2016-10-24 | 2017-01-25 | 合肥华凌股份有限公司 | Voice recognition method and system based on sound source localization and intelligent household appliance |
| CN108614583A (en) * | 2018-04-28 | 2018-10-02 | 北京小米移动软件有限公司 | The control method of intelligent terminal and intelligent terminal |
| CN111786860B (en) * | 2020-06-29 | 2022-04-01 | 广东美的制冷设备有限公司 | Household appliance, control method thereof and computer readable storage medium |
| CN113362823A (en) * | 2021-06-08 | 2021-09-07 | 深圳市同行者科技有限公司 | Multi-terminal response method, device, equipment and storage medium of household appliance |
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