CN104978955A - Voice control method and system - Google Patents
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- 230000005236 sound signal Effects 0.000 claims abstract description 146
- 239000000284 extract Substances 0.000 claims abstract description 23
- 230000001755 vocal effect Effects 0.000 claims description 89
- 238000000605 extraction Methods 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 10
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- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000013507 mapping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
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Abstract
The invention relates to a voice control method and system. When a voice control instruction is detected, a control terminal extracts audio signals within a preset first frequency scope in the received voice control instruction, and when the frequency of the extracted audio signals ranges within a preset second frequency scope, or when the ratio of the frequency of the extracted audio signals to the frequency of the received voice control instruction ranges within a preset ratio scope, the control terminal sends the received voice control instruction to a corresponding controlled terminal so that the controlled terminal can filter an inaccurate voice control instruction through the preset frequency scopes or the preset ratio scope in response to the received voice control instruction to enable voice control to be more accurate.
Description
Technical field
The present invention relates to voice control technology field, particularly relate to a kind of sound control method and system.
Background technology
Along with the development of speech recognition technology, increasing equipment adopts voice to control, mainly adopt at present and realize in two ways, the first is the built-in voice pick device of controlled device, gather user speech steering order and identify, after identification, instruction is sent to control module, opertaing device carries out associative operation.This mode is only applicable to closely Voice command, if user is from controlled device apart from too far away, be then difficult to the effective phonetic order of pickup, false recognition rate is high, voice signal is weak.
In order to improve the validity of remote speech steering order pickup, the second way is adopted to carry out Voice command, which is when control terminal receives phonetic control command, the phonetic control command received is resolved, and the phonetic control command after resolving is sent to corresponding controlled terminal, controlled terminal responds the phonetic control command received.May there is noise in the phonetic control command received in the program, the control routine of the noise possibility false triggering mistake of this existence, causes the Voice command accuracy rate of controlled terminal low.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of sound control method and system, is intended to improve voice-operated accuracy.
The present invention proposes a kind of sound control method, comprising:
Timing or detecting real-time phonetic control command;
When detecting phonetic control command, control terminal extracts in the phonetic control command received the sound signal preset within the scope of first frequency;
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, responds the phonetic control command received for controlled terminal.
Preferably, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, and the step responding the phonetic control command received for controlled terminal comprises:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, described control terminal determines the controlled terminal that the phonetic control command that receives is corresponding, or determines its controlled terminal preset;
The phonetic control command received is sent to the controlled terminal determined by described control terminal, responds the phonetic control command received for controlled terminal.
Preferably, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, and the step responding the phonetic control command received for controlled terminal replaces with:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command that described control terminal broadcast reception is arrived, for controlled terminal the phonetic control command determining to receive with it to responding the phonetic control command received time corresponding.
Preferably, after the step of described timing or detecting real-time phonetic control command, the method also comprises:
When not detecting phonetic control command within a preset time interval, described control terminal enters dormant state.
Preferably, described when detecting phonetic control command, after control terminal extracts the step presetting the sound signal within the scope of first frequency in the phonetic control command received, the method also comprises:
Within a preset time interval not by when extracting the sound signal of predeterminated frequency scope in the phonetic control command received, or when the frequency of the sound signal extracted within a preset time interval is not within the scope of the second frequency preset, or when the ratio between the frequency of the sound signal extracted within a preset time interval and the frequency of phonetic control command received is not all in the ratio range preset, described control terminal enters dormant state.
Preferably, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, and the step responding the phonetic control command received for controlled terminal comprises:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, described control terminal extracts the vocal print feature of the phonetic control command received;
The vocal print feature of extraction and the vocal print feature prestored are compared by described control terminal;
When having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature extracted, phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal by described control terminal, responds the phonetic control command received for controlled terminal.
Preferably, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, respond the step of the phonetic control command received for controlled terminal after, the method also comprises:
When receiving the operation of controlled terminal based on the phonetic control command feedback received and completing information, described control terminal produces cue, completes to point out user operation.
The present invention also proposes a kind of speech control system, comprising:
Detecting module, for timing or detecting real-time phonetic control command;
Sound signal extraction module, for when detecting phonetic control command, extracts in the phonetic control command received the sound signal preset within the scope of first frequency;
Sending module, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal, respond the phonetic control command received for controlled terminal.
Preferably, described sending module comprises:
Determining unit, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, determine the controlled terminal that the phonetic control command that receives is corresponding, or determine its controlled terminal preset;
Transmitting element, for the phonetic control command received being sent to the controlled terminal determined, responds the phonetic control command received for controlled terminal.
Preferably, described sending module is also for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command that broadcast reception is arrived, for controlled terminal the phonetic control command determining to receive with it to responding the phonetic control command received time corresponding.
Preferably, this system also comprises sleep block, during for not receiving phonetic control command within a preset time interval, or not by when extracting the sound signal of predeterminated frequency scope in the phonetic control command received in prefixed time interval, the terminal controlling its place enters dormant state.
Preferably, this system also comprises sleep block, for when the frequency of sound signal extracted within a preset time interval is not within the scope of the second frequency preset, or when the ratio between the frequency of the sound signal extracted within a preset time interval and the frequency of phonetic control command received is not all in the ratio range preset, the terminal controlling its place enters dormant state.
Preferably, described sending module comprises:
Vocal print feature extraction unit, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, extract the vocal print feature of the phonetic control command received;
Comparing unit, for comparing the vocal print feature of extraction and the vocal print feature prestored;
Transmitting element, for extract vocal print feature in have vocal print feature with prestore vocal print characteristic matching time, phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal, respond the phonetic control command received for controlled terminal.
Preferably, this system also comprises reminding module, for when receiving the operation of controlled terminal based on the phonetic control command feedback received and completing information, produces cue, completes to point out user operation.
Preferably, described sending module is also for detecting phonetic control command, and the frequency of the phonetic control command detected between preset the 3rd frequency range in time, the phonetic control command received is sent to the controlled terminal determined, respond the phonetic control command received for controlled terminal.
The sound control method that the present invention proposes and system, when detecting phonetic control command, control terminal extracts in the phonetic control command received the sound signal preset within the scope of first frequency, and when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, the phonetic control command received is responded for controlled terminal, by predeterminated frequency scope or default ratio range, filter out inaccurate phonetic control command, make Voice command more accurate.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram that the present invention realizes the preferred embodiment of voice-operated control terminal;
Fig. 2 is the high-level schematic functional block diagram of speech control system preferred embodiment in Fig. 1;
Fig. 3 is the schematic flow sheet of sound control method preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described further with regard to technical scheme of the present invention below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Reference Fig. 1, Fig. 1 are the hardware configuration schematic diagram that the present invention realizes the preferred embodiment of voice-operated control terminal.
This control terminal 1 comprises processing unit 11, storage unit 12, sending and receiving unit 13, voice pick device 14, speech control system 15 and filter unit 16.This control terminal 1 can be the voice terminal that telepilot, mobile phone etc. have voice pickup and signal forwarding capability.
Voice pick device 14, for when the vibrations receiving sound wave, is converted to phonetic control command by the electric signal of generation.
Storage unit 12, for storing this speech control system 15 and service data thereof, the voice identifier of each controlled terminal and default first frequency scope, second frequency scope or default ratio range.It is emphasized that this storage unit 12 both can be an independent memory storage, also can be the general designation of multiple different memory storage, therefore not to repeat here.
Sending and receiving unit 13, for under the control of processing unit 11, detecting voice steering order, and by the controlled terminal that the phonetic control command detected sends to phonetic control command corresponding, this sending and receiving unit 13 can be WIFI module, infrared signal transmitting element, bluetooth module, the wireless signal transmitter of band emitting antenna or other any suitable wireless signal transmitting elements (the preferred WIFI module of the present embodiment).
Filter unit 16, under the control of processing unit 11, carries out filtering process to the phonetic control command received, and obtains the sound signal preset within the scope of first frequency.This filter unit can comprise bandpass filter, to obtain the sound signal within the scope of default first frequency; Or this filter unit can comprise low-pass filter and Hi-pass filter, the higher sound signal of frequency is filtered out by low-pass filter, and then filter out the lower sound signal of frequency by Hi-pass filter, obtain the sound signal within the scope of the first frequency preset.
This processing unit 11, for calling and performing this speech control system 15, control sending and receiving unit 13 in real time or timing detecting voice steering order, and the sound signal called within the scope of the default first frequency of filter unit 16 extraction, call the second frequency scope preset and default ratio range that store in storage unit 12, when the sound pressure level got is within the scope of the sound pressure level preset, or when the sound pressure level got is within the scope of the sound pressure level preset, control described sending and receiving unit 13 and the phonetic control command received is sent to corresponding controlled terminal, the phonetic control command received is responded for controlled terminal.This processing unit 11 can be both independent unit with storage unit 12 respectively, and also can integrate, form a controller, therefore not to repeat here.
With reference to the high-level schematic functional block diagram that Fig. 2, Fig. 2 are speech control system preferred embodiment in Fig. 1.
It is emphasized that, to one skilled in the art, functional block diagram shown in Fig. 2 is only the exemplary plot of a preferred embodiment, and those skilled in the art, around the functional module of the speech control system 15 shown in Fig. 2, can carry out supplementing of new functional module easily; The title of each functional module is self-defined title, only for auxiliary each program function block understanding this speech control system 15, be not used in and limit technical scheme of the present invention, the core of technical solution of the present invention is, the function that the functional module of respective define name will be reached.
The present embodiment proposes a kind of speech control system 15, comprising:
Detecting module 151, for timing or detecting real-time phonetic control command;
Sound signal extraction module 152, for when detecting phonetic control command, extracts in the phonetic control command received the sound signal preset within the scope of first frequency;
In the present embodiment, the phonetic control command that the voice pick device regularly or in detecting real-time control terminal receives.In the present embodiment, sound signal extraction element 152, by bandpass filter, obtains the sound signal preset within the scope of first frequency; Or this sound signal extraction element 152 obtains by low-pass filter and Hi-pass filter the sound signal preset within the scope of first frequency, namely, the higher sound signal of frequency is filtered out by low-pass filter, and then filter out the lower sound signal of frequency by Hi-pass filter, obtain the sound signal within the scope of default first frequency.In the present embodiment, this first frequency scope preset can be arranged by user, and preferred version behaviour audio frequency range, people's audio frequency range is generally 200 ~ 1100HZ.
In the present embodiment, the phonetic control command received is section audio data in fact, is equivalent to the sound signal that user sends.
Sending module 153, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal, respond the phonetic control command received for controlled terminal.
The second frequency scope preset in the present embodiment and default ratio range can be set by the user, this second frequency scope preset can be and is greater than a certain preset value, as [a, + ∞], phonetic control command less for the frequency of the sound signal extracted is fallen as noise removal, or the second frequency scope preset is [a, b], to be fallen as noise isolation by phonetic control command larger and less for the frequency of the sound signal extracted; The ratio range preset is in like manner, also can be [c ,+∞] or [e, f].In the present embodiment, the frequency of the phonetic control command of the phonetic control command that also can input at ordinary times according to user, the sound pressure level scope that adjustment is preset or sound pressure level scope, make Voice command more accurate.
In the present embodiment, this phonetic control command received sends to controlled terminal by the mode such as wired (as serial line interface) or wireless (as WIFI, bluetooth or infrared), when controlled terminal receives phonetic control command, according to the mapping relations between the phonetic control command preset and control routine, determine the control routine corresponding to phonetic control command received, and respond the control routine determined.
Be understandable that, for avoiding controlled terminal, resolver is installed, to reduce voice-operated cost, can when the frequency of the sound signal extracted be within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is resolved and obtains corresponding control routine, and send to controlled terminal by resolving the control routine obtained, run according to the control routine received for controlled terminal.
The speech control system that the present embodiment proposes, when detecting phonetic control command, control terminal extracts in the phonetic control command received the sound signal preset within the scope of first frequency, and when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, the phonetic control command received is responded for controlled terminal, by predeterminated frequency scope or default ratio range, filter out inaccurate phonetic control command, make Voice command more accurate.
Further, for improving the accuracy controlled controlled terminal, described sending module 153 comprises:
Determining unit, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, determine the controlled terminal that the phonetic control command that receives is corresponding, or determine its controlled terminal preset;
Transmitting element, for the phonetic control command received being sent to the controlled terminal determined, responds the phonetic control command received for controlled terminal.
In the present embodiment, the controlled terminal voice identifier that its multiple controlled terminals controlled are corresponding can be preserved in control terminal, when the phonetic control command received, the phonetic control command received and the controlled terminal prestored voice identifier can be compared by determining unit, determine the controlled terminal voice identifier of mating with the phonetic control command received, and according to the mapping relations between controlled terminal voice identifier and controlled terminal mailing address, obtain the controlled terminal mailing address that the controlled terminal voice identifier determined is corresponding, the phonetic control command received is sent to the controlled terminal mailing address of acquisition by transmitting element.Or the mailing address that its controlled terminal controlled that also can prestore in this control terminal arrives, when receiving phonetic control command, is directly sent to this mailing address by the phonetic control command received.
In the present embodiment, the mailing address of controlled terminal can be the physical address of controlled terminal, WIFI mark and Bluetooth identification etc.
Further, for reducing Voice command cost, another embodiment of the present invention is proposed, in the present embodiment, described sending module 153 is also for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command that broadcast reception is arrived, for controlled terminal the phonetic control command determining to receive with it to responding the phonetic control command received time corresponding.
In the present embodiment, can not be used in the storage unit of control terminal and store controlled terminal voice identifier, save the storage space of control terminal, to reduce Voice command cost.When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, can the direct phonetic control command that arrives of broadcast reception, controlled terminal is when receiving phonetic control command, the phonetic control command received and its voice identifier can be compared, when the phonetic control command received mates with its voice identifier, can directly respond this phonetic control command; When the phonetic control command received does not mate with its voice identifier, can be left intact.
Further, for reducing the energy consumption of control terminal, this speech control system 15 also comprises sleep block, during for not receiving phonetic control command within a preset time interval, or not by when extracting the sound signal of predeterminated frequency scope in the phonetic control command received in prefixed time interval, the terminal controlling its place enters dormant state.
In the present embodiment, the phonetic control command do not received in prefixed time interval makes, and the terminal that sleep block controls its place enters dormant state.Sleep block control this control terminal enter dormant state time, can unnecessary hardware or functional modules more out of service, as display screen and parsing module etc., after control terminal enters dormant state, when detecting module detects phonetic control command, this control terminal can be waken up, control terminal is switched to duty by dormant state.In the present embodiment, control terminal can be set by the user when entering dormant state, the hardware that close or functional module.
Further, for reducing the energy consumption of control terminal, this speech control system 15 also comprises sleep block, for when the frequency of sound signal extracted within a preset time interval is not within the scope of the second frequency preset, or when the ratio between the frequency of the sound signal extracted within a preset time interval and the frequency of phonetic control command received is not all in the ratio range preset, the terminal controlling its place enters dormant state.
In the present embodiment, when the phonetic control command received in prefixed time interval is noise, control terminal enters park mode.
Further, for improving voice-operated accuracy, described sending module comprises:
Vocal print feature extraction unit, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, extract the vocal print feature of the phonetic control command received;
Comparing unit, for comparing the vocal print feature of extraction and the vocal print feature prestored;
In the present embodiment, user can prestore its vocal print feature in control terminal, user is when prestoring its vocal print feature, same speech data can be inputted at different time points, control terminal extracts the vocal print feature of the speech data of this user input, and matching is carried out to the vocal print feature of the speech data that different time points in prefixed time interval receives, preserve the vocal print feature after matching, with the accuracy that the vocal print feature ensureing extraction is right with the vocal print aspect ratio prestored.In the present embodiment, can prestore a vocal print feature in control terminal, or the vocal print feature of multiple kinsfolk that prestores in controlled terminal.
Transmitting element, for extract vocal print feature in have vocal print feature with prestore vocal print characteristic matching time, phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal, respond the phonetic control command received for controlled terminal.
When receiving Voice command steering order and being multiple, while the vocal print feature extracting phonetic control command, phonetic control command corresponding with it for the vocal print feature extracted can be associated preservation; When having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature extracted, according to the vocal print feature of preservation and the mapping relations of phonetic control command, determine the phonetic control command corresponding to vocal print feature of this coupling, and respond this phonetic control command.
Further, for improving Consumer's Experience and to the voice-operated accuracy of controlled terminal, when receiving phonetic control command and being one, directly this phonetic control command can being sent to corresponding controlled terminal; When the phonetic control command received is multiple, start the flow process of Application on Voiceprint Recognition, when having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature of the phonetic control command received, the phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal.
Further, for improving voice-operated accuracy, this system also comprises reminding module, during for completing information in the operation receiving controlled terminal feedback, producing cue, completing to point out user operation.
Whether in the present embodiment, this cue can be optical information, Word message, vibrations and acoustic information etc., successful to make user immediately can know control.Whether when this cue is optical information, the warning light that can control on this control terminal lights, or this control terminal is with the frequency preset vibrations, successful to ensure that user can know control in time.
It will be appreciated by those skilled in the art that time, whether successful for ensureing that user knows control in time, if when the operation of reminding module also for not receiving the phonetic control command feedback that user sends based on it within the time interval of presetting completes information, operation failure cue can be produced, with point out user operation failure, this operation failure cue and successful operation cue obstructed.
Further, for saving system overhead, described sending module is also for detecting phonetic control command, and the frequency of the phonetic control command detected between preset the 3rd frequency range in time, the phonetic control command received is sent to the controlled terminal determined, respond the phonetic control command received for controlled terminal.
In the present embodiment, when detecting phonetic control command, the frequency of the phonetic control command detected can be obtained, when the frequency of the phonetic control command detected is in the 3rd frequency range preset, the phonetic control command received directly can be sent to the controlled terminal determined by sending module, responds the phonetic control command received for controlled terminal; When the frequency of the phonetic control command detected is not in the 3rd frequency range preset, the sound signal preset within the scope of first frequency can be extracted in the phonetic control command received by sound signal extraction module; Sending module is when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal, the phonetic control command received is responded for controlled terminal, in the present embodiment, 3rd frequency range can be identical with second frequency scope, also can be different.
In the present embodiment, the reference speech steering order inputted to control terminal by user, obtains the 3rd corresponding frequency range.
With reference to the schematic flow sheet that Fig. 3, Fig. 3 are sound control method preferred embodiment of the present invention.
The present embodiment proposes a kind of sound control method, comprising:
Step S10, timing or detecting real-time phonetic control command;
Step S20, when detecting phonetic control command, control terminal extracts in the phonetic control command received the sound signal preset within the scope of first frequency;
In the present embodiment, the phonetic control command that the voice pick device regularly or in detecting real-time control terminal receives.In the present embodiment, sound signal extraction element 152, by bandpass filter, obtains the sound signal preset within the scope of first frequency; Or this sound signal extraction element 152 obtains by low-pass filter and Hi-pass filter the sound signal preset within the scope of first frequency, namely, the higher sound signal of frequency is filtered out by low-pass filter, and then filter out the lower sound signal of frequency by Hi-pass filter, obtain the sound signal within the scope of default first frequency.In the present embodiment, this first frequency scope preset can be arranged by user, and preferred version behaviour audio frequency range, people's audio frequency range is generally 200 ~ 1100HZ.
In the present embodiment, the phonetic control command received is section audio data in fact, is equivalent to the sound signal that user sends.
Step S30, when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, responds the phonetic control command received for controlled terminal.
The second frequency scope preset in the present embodiment and default ratio range can be set by the user, this second frequency scope preset can be and is greater than a certain preset value, as [a, + ∞], phonetic control command less for the frequency of the sound signal extracted is fallen as noise removal, or the second frequency scope preset is [a, b], to be fallen as noise isolation by phonetic control command larger and less for the frequency of the sound signal extracted; The ratio range preset is in like manner, also can be [c ,+∞] or [e, f].In the present embodiment, the frequency of the phonetic control command of the phonetic control command that also can input at ordinary times according to user, the sound pressure level scope that adjustment is preset or sound pressure level scope, make Voice command more accurate.
In the present embodiment, this phonetic control command received sends to controlled terminal by the mode such as wired (as serial line interface) or wireless (as WIFI, bluetooth or infrared), when controlled terminal receives phonetic control command, according to the mapping relations between the phonetic control command preset and control routine, determine the control routine corresponding to phonetic control command received, and respond the control routine determined.
Be understandable that, for avoiding controlled terminal, resolver is installed, to reduce voice-operated cost, can when the frequency of the sound signal extracted be within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is resolved and obtains corresponding control routine, and send to controlled terminal by resolving the control routine obtained, run according to the control routine received for controlled terminal.
The sound control method that the present embodiment proposes, when detecting phonetic control command, control terminal extracts in the phonetic control command received the sound signal preset within the scope of first frequency, and when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, the phonetic control command received is responded for controlled terminal, by predeterminated frequency scope or default ratio range, filter out inaccurate phonetic control command, make Voice command more accurate.
Further, for improving the accuracy controlled controlled terminal, step S30 comprises:
Step S31, when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, described control terminal determines the controlled terminal that the phonetic control command that receives is corresponding, or determines its controlled terminal preset;
Step S32, the phonetic control command received is sent to the controlled terminal determined by described control terminal, responds the phonetic control command received for controlled terminal.
In the present embodiment, the controlled terminal voice identifier that its multiple controlled terminals controlled are corresponding can be preserved in control terminal, when the phonetic control command received, the phonetic control command received and the controlled terminal prestored voice identifier can be compared by determining unit, determine the controlled terminal voice identifier of mating with the phonetic control command received, and according to the mapping relations between controlled terminal voice identifier and controlled terminal mailing address, obtain the controlled terminal mailing address that the controlled terminal voice identifier determined is corresponding, the phonetic control command received is sent to the controlled terminal mailing address of acquisition by transmitting element.Or the mailing address that its controlled terminal controlled that also can prestore in this control terminal arrives, when receiving phonetic control command, is directly sent to this mailing address by the phonetic control command received.
In the present embodiment, the mailing address of controlled terminal can be the physical address of controlled terminal, WIFI mark and Bluetooth identification etc.
Further, for reducing Voice command cost, propose another embodiment of the present invention, in the present embodiment, step S30 replaces with:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command that described control terminal broadcast reception is arrived, for controlled terminal the phonetic control command determining to receive with it to responding the phonetic control command received time corresponding.
In the present embodiment, can not be used in the storage unit of control terminal and store controlled terminal voice identifier, save the storage space of control terminal, to reduce Voice command cost.When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, can the direct phonetic control command that arrives of broadcast reception, controlled terminal is when receiving phonetic control command, the phonetic control command received and its voice identifier can be compared, when the phonetic control command received mates with its voice identifier, can directly respond this phonetic control command; When the phonetic control command received does not mate with its voice identifier, can be left intact.
Further, for reducing the energy consumption of control terminal, after step S10, also step is comprised:
When not detecting phonetic control command within a preset time interval, described control terminal enters dormant state.
In the present embodiment, the phonetic control command do not received in prefixed time interval makes, and the terminal that sleep block controls its place enters dormant state.Sleep block control this control terminal enter dormant state time, can unnecessary hardware or functional modules more out of service, as display screen and parsing module etc., after control terminal enters dormant state, when detecting module detects phonetic control command, this control terminal can be waken up, control terminal is switched to duty by dormant state.In the present embodiment, control terminal can be set by the user when entering dormant state, the hardware that close or functional module.
Further, for reducing the energy consumption of control terminal, after step S20, also step is comprised:
Within a preset time interval not by when extracting the sound signal of predeterminated frequency scope in the phonetic control command received, or when the frequency of the sound signal extracted within a preset time interval is not within the scope of the second frequency preset, or when the ratio between the frequency of the sound signal extracted within a preset time interval and the frequency of phonetic control command received is not all in the ratio range preset, described control terminal enters dormant state.
In the present embodiment, when the phonetic control command received in prefixed time interval is noise, control terminal enters park mode.
Further, for improving voice-operated accuracy, step S30 comprises:
Step S33, when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, described control terminal extracts the vocal print feature of the phonetic control command received;
In the present embodiment, this vocal print feature can be vocal print figure, in controlled terminal, arrange sonagraph, for the phonetic control command received being converted to intensity, wavelength, frequency, the tempo variation of electric signal, then the change of electric signal is depicted as wave spectrum figure, forms vocal print figure.In the present embodiment, when the phonetic control command received is multiple, the vocal print figure extracted may also for multiple.
Step S34, the vocal print feature of extraction and the vocal print feature prestored are compared by described control terminal;
In the present embodiment, user can prestore its vocal print feature in control terminal, user is when prestoring its vocal print feature, same speech data can be inputted at different time points, control terminal extracts the vocal print feature of the speech data of this user input, and matching is carried out to the vocal print feature of the speech data that different time points in prefixed time interval receives, preserve the vocal print feature after matching, with the accuracy that the vocal print feature ensureing extraction is right with the vocal print aspect ratio prestored.In the present embodiment, can prestore a vocal print feature in control terminal, or the vocal print feature of multiple kinsfolk that prestores in controlled terminal.
Step S35, when having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature extracted, phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal by described control terminal, responds the phonetic control command received for controlled terminal.
When receiving Voice command steering order and being multiple, while the vocal print feature extracting phonetic control command, phonetic control command corresponding with it for the vocal print feature extracted can be associated preservation; When having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature extracted, according to the vocal print feature of preservation and the mapping relations of phonetic control command, determine the phonetic control command corresponding to vocal print feature of this coupling, and respond this phonetic control command.
Further, for improving Consumer's Experience and to the voice-operated accuracy of controlled terminal, when receiving phonetic control command and being one, directly this phonetic control command can being sent to corresponding controlled terminal; When the phonetic control command received is multiple, start the flow process of Application on Voiceprint Recognition, when having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature of the phonetic control command received, the phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal.
Further, for improving voice-operated accuracy, also comprise after step S30:
When receiving the operation of controlled terminal based on the phonetic control command feedback received and completing information, described control terminal produces cue, completes to point out user operation
Whether in the present embodiment, this cue can be optical information, Word message, vibrations and acoustic information etc., successful to make user immediately can know control.Whether when this cue is optical information, the warning light that can control on this control terminal lights, or this control terminal is with the frequency preset vibrations, successful to ensure that user can know control in time.
It will be appreciated by those skilled in the art that time, whether successful for ensureing that user knows control in time, if when the operation of reminding module also for not receiving the phonetic control command feedback that user sends based on it within the time interval of presetting completes information, operation failure cue can be produced, with point out user operation failure, this operation failure cue and successful operation cue obstructed.
Further, for reducing system overhead, after step S30, also step is comprised:
Detecting phonetic control command, and the frequency of the phonetic control command detected between preset the 3rd frequency range in time, the phonetic control command received is sent to the controlled terminal determined by described control terminal, responds the phonetic control command received for controlled terminal.
In the present embodiment, when detecting phonetic control command, the frequency of the phonetic control command detected can be obtained, when the frequency of the phonetic control command detected is in the 3rd frequency range preset, the phonetic control command received directly can be sent to the controlled terminal determined by control terminal, responds the phonetic control command received for controlled terminal, when the frequency of the phonetic control command detected is not in the 3rd frequency range preset, the sound signal within the scope of first frequency is preset in the phonetic control command that control terminal receives, and when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal, the phonetic control command received is responded for controlled terminal, in the present embodiment, 3rd frequency range can be identical with second frequency scope, also can be different.
In the present embodiment, the reference speech steering order inputted to control terminal by user, obtains the 3rd corresponding frequency range.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computing machine, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (16)
1. a sound control method, is characterized in that, comprising:
Timing or detecting real-time phonetic control command;
When detecting phonetic control command, control terminal extracts in the phonetic control command received the sound signal preset within the scope of first frequency;
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, responds the phonetic control command received for controlled terminal.
2. method according to claim 1, it is characterized in that, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, and the step responding the phonetic control command received for controlled terminal comprises:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, described control terminal determines the controlled terminal that the phonetic control command that receives is corresponding, or determines its controlled terminal preset;
The phonetic control command received is sent to the controlled terminal determined by described control terminal, responds the phonetic control command received for controlled terminal.
3. method according to claim 1, it is characterized in that, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, and the step responding the phonetic control command received for controlled terminal replaces with:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command that described control terminal broadcast reception is arrived, for controlled terminal the phonetic control command determining to receive with it to responding the phonetic control command received time corresponding.
4. method according to claim 1, is characterized in that, after the step of described timing or detecting real-time phonetic control command, the method also comprises:
When not detecting phonetic control command within a preset time interval, described control terminal enters dormant state.
5. method according to claim 1, is characterized in that, described when detecting phonetic control command, and after control terminal extracts the step presetting the sound signal within the scope of first frequency in the phonetic control command received, the method also comprises:
Within a preset time interval not by when extracting the sound signal of predeterminated frequency scope in the phonetic control command received, or when the frequency of the sound signal extracted within a preset time interval is not within the scope of the second frequency preset, or when the ratio between the frequency of the sound signal extracted within a preset time interval and the frequency of phonetic control command received is not all in the ratio range preset, described control terminal enters dormant state.
6. method according to claim 1, it is characterized in that, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, and the step responding the phonetic control command received for controlled terminal comprises:
When the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, described control terminal extracts the vocal print feature of the phonetic control command received;
The vocal print feature of extraction and the vocal print feature prestored are compared by described control terminal;
When having vocal print feature and the vocal print characteristic matching prestored in the vocal print feature extracted, phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal by described control terminal, responds the phonetic control command received for controlled terminal.
7. the method according to any one of claim 1-6, it is characterized in that, when the frequency of the described sound signal extracting is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal by described control terminal, respond the step of the phonetic control command received for controlled terminal after, the method also comprises:
When receiving the operation of controlled terminal based on the phonetic control command feedback received and completing information, described control terminal produces cue, completes to point out user operation.
8. method according to claim 1, is characterized in that, after the step of described timing or detecting real-time phonetic control command, the method also comprises:
Detecting phonetic control command, and the frequency of the phonetic control command detected between preset the 3rd frequency range in time, the phonetic control command received is sent to the controlled terminal determined by described control terminal, responds the phonetic control command received for controlled terminal.
9. a speech control system, is characterized in that, comprising:
Detecting module, for timing or detecting real-time phonetic control command;
Sound signal extraction module, for when detecting phonetic control command, extracts in the phonetic control command received the sound signal preset within the scope of first frequency;
Sending module, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command received is sent to corresponding controlled terminal, respond the phonetic control command received for controlled terminal.
10. system according to claim 9, is characterized in that, described sending module comprises:
Determining unit, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, determine the controlled terminal that the phonetic control command that receives is corresponding, or determine its controlled terminal preset;
Transmitting element, for the phonetic control command received being sent to the controlled terminal determined, responds the phonetic control command received for controlled terminal.
11. systems according to claim 9, it is characterized in that, described sending module is also for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, the phonetic control command that broadcast reception is arrived, for controlled terminal the phonetic control command determining to receive with it to responding the phonetic control command received time corresponding.
12. systems according to claim 9, it is characterized in that, this system also comprises sleep block, during for not receiving phonetic control command within a preset time interval, or not by when extracting the sound signal of predeterminated frequency scope in the phonetic control command received in prefixed time interval, the terminal controlling its place enters dormant state.
13. systems according to claim 9, it is characterized in that, this system also comprises sleep block, for when the frequency of sound signal extracted within a preset time interval is not within the scope of the second frequency preset, or when the ratio between the frequency of the sound signal extracted within a preset time interval and the frequency of phonetic control command received is not all in the ratio range preset, the terminal controlling its place enters dormant state.
14. systems according to claim 9, is characterized in that, described sending module comprises:
Vocal print feature extraction unit, for when the frequency of the sound signal extracted is within the scope of the second frequency preset, or when the ratio between the frequency and the frequency of phonetic control command received of the sound signal extracted is in the ratio range preset, extract the vocal print feature of the phonetic control command received;
Comparing unit, for comparing the vocal print feature of extraction and the vocal print feature prestored;
Transmitting element, for extract vocal print feature in have vocal print feature with prestore vocal print characteristic matching time, phonetic control command corresponding to the vocal print feature of this coupling is sent to corresponding controlled terminal, respond the phonetic control command received for controlled terminal.
15. systems according to any one of claim 9-14, it is characterized in that, this system also comprises reminding module, for when receiving the operation of controlled terminal based on the phonetic control command feedback received and completing information, produce cue, complete to point out user operation.
16. systems according to claim 9, it is characterized in that, described sending module is also for detecting phonetic control command, and the frequency of the phonetic control command detected between preset the 3rd frequency range in time, the phonetic control command received is sent to the controlled terminal determined, respond the phonetic control command received for controlled terminal.
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