CN108419168A - Directive property sound pick-up method, device, pick up facility and the storage medium of pick up facility - Google Patents
Directive property sound pick-up method, device, pick up facility and the storage medium of pick up facility Download PDFInfo
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- CN108419168A CN108419168A CN201810055344.0A CN201810055344A CN108419168A CN 108419168 A CN108419168 A CN 108419168A CN 201810055344 A CN201810055344 A CN 201810055344A CN 108419168 A CN108419168 A CN 108419168A
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- sound
- pickup
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- facility
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/01—Noise reduction using microphones having different directional characteristics
Abstract
The present invention is applicable in field of computer technology, provides a kind of directive property sound pick-up method, device, pick up facility and the storage medium of pick up facility, and this method includes：When the pickup for receiving pick up facility user is asked, the sound of each microphone pickup of microphone array on pick up facility is identified, judge whether the sound of each microphone pickup includes pre-set target sound according to recognition result, when the sound of each microphone pickup includes pre-set sound, obtain the amplitude of the target sound of each microphone pickup, set the pickup direction of the corresponding microphone of peak swing in the amplitude for the target sound that each microphone picks up to the pickup beam position of pick up facility, the sound in pickup beam position direction is picked up, to realize the automated setting of pickup beam position during pick up facility picks up sound, realize the precision pickup of sound, reduce the interference of ambient noise, and then improve user experience.
Description
Technical field
The invention belongs to pickup technology field more particularly to a kind of directive property sound pick-up method of pick up facility, device, pickups
Equipment and storage medium.
Background technology
Currently, most of electronic equipments all have sound-recording function, for example, smartwatch, smart mobile phone, tablet computer etc.,
To meet the recording demand under noisy environment, the microphone of these electronic equipment configurations with sound-recording function is generally used list
The microphone of one directive property, then control recording direction could be adjusted to the direction of sound pick-up outfit by user, around reducing
The interference of noisy environment, however in actual life, when electronic device user is recorded, the direction of microphone is inaccurate so that
User is difficult to obtain the target recording of optimum efficiency.
Invention content
The purpose of the present invention is to provide directive property sound pick-up method, device, terminal and the storage medium of a kind of pick up facility,
It aims to solve the problem that since the prior art can not provide a kind of effective sound pick-up method, results in pick up facility during user's use
The problem that the sound of pickup is unintelligible, experience is bad.
On the one hand, the present invention provides a kind of directive property sound pick-up method of pick up facility, the method includes following step：
When the pickup for receiving pick up facility user is asked, to each Mike of microphone array on the pick up facility
The sound of wind pickup is identified；
Judge whether the sound of each microphone pickup includes pre-set target sound according to the recognition result
Sound obtains the mesh of each microphone pickup when the sound of each microphone pickup includes pre-set sound
Mark the amplitude of sound；
By in the amplitude of the target sound of each microphone pickup, the pickup of the corresponding microphone of the peak swing
Direction is set as the pickup beam position of the pick up facility, is picked up to the sound in pickup beam position direction.
On the other hand, the present invention provides a kind of directive property sound pick up equipment of pick up facility, described device includes：
Acoustic recognition unit, for when receive pick up facility user pickup ask when, to wheat on the pick up facility
The sound of each microphone pickup of gram wind array is identified；
Amplitude acquiring unit, for judged according to the recognition result each microphone pickup sound whether include
Pre-set target sound obtains described each when the sound of each microphone pickup includes pre-set sound
The amplitude of the target sound of a microphone pickup；And
First voice pickup unit is used for peak swing pair in the amplitude of the target sound of each microphone pickup
The pickup direction for the microphone answered is set as the pickup beam position of the pick up facility, to pickup beam position direction
Sound is picked up.
On the other hand, the present invention also provides a kind of pick up facility, including memory, processor and it is stored in described deposit
In reservoir and the computer program that can run on the processor, the processor are realized such as when executing the computer program
The step of directive property sound pick-up method of above-mentioned pick up facility.
On the other hand, the present invention also provides a kind of computer readable storage medium, the computer readable storage mediums
It is stored with computer program, the directive property pickup side such as above-mentioned pick up facility is realized when the computer program is executed by processor
The step of method.
The present invention when receive pick up facility user pickup ask when, on pick up facility microphone array it is each
The sound of microphone pickup is identified, and when the sound of each microphone pickup includes pre-set sound, obtains each
The amplitude of the target sound of microphone pickup, the corresponding wheat of peak swing in the amplitude for the target sound that each microphone is picked up
The pickup direction of gram wind is set as the direction of pickup wave beam, and carries out voice pickup, to pick up sound process in pick up facility
The middle automated setting for realizing pickup beam position carries out the precision pickup for realizing sound, reduces the interference of ambient noise,
And then improve user experience.
Description of the drawings
Fig. 1 is the implementation flow chart of the directive property sound pick-up method for the pick up facility that the embodiment of the present invention one provides；
Fig. 2 is the implementation flow chart of the directive property sound pick-up method of pick up facility provided by Embodiment 2 of the present invention；
Fig. 3 is the structural schematic diagram of the directive property sound pick up equipment for the pick up facility that the embodiment of the present invention three provides；
Fig. 4 is the structural schematic diagram of the directive property sound pick up equipment for the pick up facility that the embodiment of the present invention four provides；And
Fig. 5 is the structural schematic diagram for the pick up facility that the embodiment of the present invention five provides.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The specific implementation of the present invention is described in detail below in conjunction with specific embodiment：
Embodiment one：
Fig. 1 shows the implementation process of the directive property sound pick-up method for the pick up facility that the embodiment of the present invention one provides, in order to
Convenient for explanation, illustrate only with the relevant part of the embodiment of the present invention, details are as follows：
In step S101, when the pickup for receiving pick up facility user is asked, to microphone array on pick up facility
Each microphone pickup sound be identified.
The embodiment of the present invention is suitable for being provided with the pick up facility for the microphone array being made of multiple microphones, for example,
Smart mobile phone, smartwatch, tablet computer, learning machine etc..Wherein, the microphone of the microphone array is single directivity,
And in fan-shaped array so that the pickup wave beam of microphone between any two will not be completely superposed, the pickup wave beam of microphone refers to single
Microphone picks up the range of sound, and pickup beam position refers to then microphone in the voice pickup direction of pickup wave beam.
In embodiments of the present invention, when carrying out voice recognition, it is preferable that on pick up facility microphone array it is each
Microphone pickup sound carry out sound wave identification, with obtain pick up into sound wavelength, frequency, phase, amplitude and period, from
And convenient for subsequently judging the sound of microphone pickup.
In step s 102, judge whether the sound of each microphone pickup includes pre-set mesh according to recognition result
Sound is marked, when the sound of each microphone pickup includes pre-set sound, obtains the target sound of each microphone pickup
The amplitude of sound.
In embodiments of the present invention, first judge whether wrapped in picked up sound according to the sound of microphone array pickup
Pre-set target sound is contained, has been, the sound wave for obtaining the target sound when target sound is picked up by each microphone shakes
Width, to determine the best pickup wave beam for picking up target sound in microphone array.
In embodiments of the present invention, target sound to be picked up should be pre-set, it is preferred that when receiving target sound
When the setting request of sound, first passes through microphone array and carries out voice pickup, then the sound of pickup is configured target sound,
In order to the subsequent voice recognition of the embodiment of the present invention.
In step s 103, the corresponding microphone of peak swing in the amplitude of the target sound each microphone picked up
Pickup direction is set as the pickup beam position of pick up facility, is picked up to the sound in pickup beam position direction.
In embodiments of the present invention, Mike can be obtained in the amplitude size of the target sound sound wave picked up by each microphone
The best pickup direction of wind array, the i.e. direction of pickup wave beam, then by the corresponding microphone of direction of the pickup wave beam into
Row voice pickup.
In embodiments of the present invention, when the pickup for receiving pick up facility user is asked, to microphone on pick up facility
The sound of each microphone pickup of array is identified, when the sound of each microphone pickup includes pre-set sound
When, obtain the amplitude of the target sound of each microphone pickup, it is maximum in the amplitude for the target sound that each microphone is picked up
The pickup direction of the corresponding microphone of amplitude is set as the pickup beam position of pick up facility, to the sound in pickup beam position direction
Sound is picked up, and to realize the automated setting of pickup beam position during pick up facility picks up sound, is realized
The precision of sound picks up, and reduces the interference of ambient noise, and then improve user experience.
Embodiment two：
Fig. 2 shows the implementation process of the directive property sound pick-up method of pick up facility provided by Embodiment 2 of the present invention, in order to
Convenient for explanation, illustrate only with the relevant part of the embodiment of the present invention, details are as follows：
In step s 201, when the pickup for receiving pick up facility user is asked, to microphone array on pick up facility
Each microphone pickup sound be identified.
The embodiment of the present invention is suitable for being provided with the pick up facility for the microphone array being made of multiple microphones, for example,
Smart mobile phone, smartwatch, tablet computer, learning machine etc..
In embodiments of the present invention, when carrying out voice recognition, it is preferable that on pick up facility microphone array it is each
The sound of microphone pickup carries out sound wave identification, to obtain wavelength, frequency, phase, amplitude and the period of the sound of pickup, from
And convenient for subsequently judging the sound of microphone pickup.
In step S202, judge whether the sound of each microphone pickup includes pre-set mesh according to recognition result
Sound is marked, when the sound of each microphone pickup includes pre-set sound, obtains the target sound of each microphone pickup
The amplitude of sound.
In embodiments of the present invention, first judge whether wrapped in picked up sound according to the sound of microphone array pickup
Pre-set target sound is contained, has been, the sound wave for obtaining the target sound when target sound is picked up by each microphone shakes
Width, to determine the best pickup wave beam for picking up target sound in microphone array.
In embodiments of the present invention, target sound to be picked up should be pre-set, it is preferred that when receiving target sound
When the setting request of sound, first passes through microphone array and carries out voice pickup, then the sound of pickup is configured target sound,
In order to the subsequent voice recognition of the embodiment of the present invention.
In embodiments of the present invention, target sound to be picked up should be pre-set, it is preferred that when receiving target sound
When the setting request of sound, first passes through microphone array and carries out voice pickup, then the sound of pickup is configured target sound,
In order to the subsequent voice recognition of the embodiment of the present invention.
In step S203, the corresponding microphone of peak swing in the amplitude for the target sound that each microphone is picked up
Pickup direction is set as the pickup beam position of pick up facility, is picked up to the sound in pickup beam position direction.
In step S204, the acoustic amplitudes in pickup beam position direction are monitored.
In embodiments of the present invention, due to the source of sound of target sound be can be mobile, to pickup beam position
After the step of sound in direction is picked up, the acoustic amplitudes in pickup beam position direction are monitored in real time.
In step S205, judge whether acoustic amplitudes reach preset duration less than the duration of predetermined threshold value, is then
Jump to the amplitude for the target sound for obtaining each microphone pickup.
In embodiments of the present invention, when the acoustic amplitudes to pickup beam position direction are monitored in real time, judging should
Whether acoustic amplitudes reach preset duration less than the duration of predetermined threshold value, are to jump to step S203, in target sound
Source of sound when being detached from the direction range of pickup wave beam, the amplitude of the target sound of each microphone pickup is obtained again, with to picking up
The direction of sound wave beam is circularly set, to being adjusted to the pickup beam position of pick up facility, i.e., to pickup direction into
Row adjustment in time, otherwise jumps to step S204, continue to the acoustic amplitudes in pickup beam position direction carry out monitoring in real time or
It is monitored according to preset period of time, until the pickup for receiving user terminates request.
In embodiments of the present invention, when the pickup for receiving pick up facility user is asked, to microphone on pick up facility
The sound of each microphone pickup of array is identified, when the sound of each microphone pickup includes pre-set sound
When, obtain the amplitude of the target sound of each microphone pickup, it is maximum in the amplitude for the target sound that each microphone is picked up
The pickup direction of the corresponding microphone of amplitude is set as the pickup beam position of pick up facility, then to pickup beam position direction
Sound is picked up, and is monitored to the acoustic amplitudes in pickup beam position direction, and judges that acoustic amplitudes are less than predetermined threshold value
Duration whether reach preset duration, to pick up facility pick up sound during carry out directive property pickup, and with
The change of sound source position and the pickup direction of pick up facility is adjusted in time, reduce the interference of ambient noise, and then improve
User experience.
Embodiment three：
Fig. 3 shows the structure of the directive property sound pick up equipment for the pick up facility that the embodiment of the present invention three provides, for the ease of
Illustrate, illustrate only with the relevant part of the embodiment of the present invention, including：
Acoustic recognition unit 31, for when receive pick up facility user pickup ask when, to Mike on pick up facility
The sound of each microphone pickup of wind array is identified；
Amplitude acquiring unit 32, for judging whether the sound of each microphone pickup includes to set in advance according to recognition result
The target sound set obtains each microphone pickup when the sound of each microphone pickup includes pre-set sound
The amplitude of target sound；And
First voice pickup unit 23, peak swing corresponds in the amplitude of the target sound for picking up each microphone
The pickup direction of microphone be set as the pickup beam position of pick up facility, the sound in pickup beam position direction is picked up
It takes.
In embodiments of the present invention, when the pickup for receiving pick up facility user is asked, to microphone on pick up facility
The sound of each microphone pickup of array is identified, when the sound of each microphone pickup includes pre-set sound
When, obtain the amplitude of the target sound of each microphone pickup, it is maximum in the amplitude for the target sound that each microphone is picked up
The pickup direction of the corresponding microphone of amplitude is set as the pickup beam position of pick up facility, to the sound in pickup beam position direction
Sound is picked up, and to realize the automated setting of pickup beam position during pick up facility picks up sound, is realized
The precision of sound picks up, and reduces the interference of ambient noise, and then improve user experience.
In embodiments of the present invention, each unit of the directive property sound pick up equipment of pick up facility can be by corresponding hardware or software
Unit realizes that each unit can be independent soft and hardware unit, can also be integrated into a soft and hardware unit, herein not to
The limitation present invention.The specific implementation mode of each unit can refer to the description of embodiment one, and details are not described herein.
Example IV：
Fig. 4 shows the structure of the directive property sound pick up equipment for the pick up facility that the embodiment of the present invention four provides, for the ease of
Illustrate, illustrate only with the relevant part of the embodiment of the present invention, including：
Second sound pickup unit 41, for when receive target sound setting ask when, by microphone array into
Row voice pickup；
Target setting unit 42, the target sound for setting the sound of pickup to pick up facility；
Acoustic recognition unit 43, for when receive pick up facility user pickup ask when, to Mike on pick up facility
The sound of each microphone pickup of wind array is identified；
Amplitude acquiring unit 44, for judging whether the sound of each microphone pickup includes to set in advance according to recognition result
The target sound set obtains each microphone pickup when the sound of each microphone pickup includes pre-set sound
The amplitude of target sound；
First voice pickup unit 45, peak swing corresponds in the amplitude of the target sound for picking up each microphone
The pickup direction of microphone be set as the pickup beam position of pick up facility, the sound in pickup beam position direction is picked up
It takes；
Amplitude monitoring unit 46 is monitored for the acoustic amplitudes to pickup beam position direction；
Amplitude judging unit 47, when for judging whether acoustic amplitudes reach default less than the duration of predetermined threshold value
It is long, it is the amplitude for triggering the target sound that amplitude acquiring unit 44 obtains each microphone pickup.
Wherein, acoustic recognition unit 43 includes：
Sound wave recognition unit 431 is carried out for the sound to each microphone pickup of microphone array on pick up facility
Sound wave identifies, to obtain wavelength, frequency, phase, amplitude and the period of the sound of pickup.
In embodiments of the present invention, when the pickup for receiving pick up facility user is asked, to microphone on pick up facility
The sound of each microphone pickup of array is identified, when the sound of each microphone pickup includes pre-set sound
When, obtain the amplitude of the target sound of each microphone pickup, it is maximum in the amplitude for the target sound that each microphone is picked up
The pickup direction of the corresponding microphone of amplitude is set as the pickup beam position of pick up facility, then to pickup beam position direction
Sound is picked up, and is monitored to the acoustic amplitudes in pickup beam position direction, and judges that acoustic amplitudes are less than predetermined threshold value
Duration whether reach preset duration, to pick up facility pick up sound during realize pickup beam position it is automatic
Change setting, carry out realize sound precision pickup, and with the change of sound source position and the pickup direction to pick up facility and
When adjust, reduce the interference of ambient noise, and then improve user experience.
In embodiments of the present invention, each unit of the directive property sound pick up equipment of pick up facility can be by corresponding hardware or software
Unit realizes that each unit can be independent soft and hardware unit, can also be integrated into a soft and hardware unit, herein not to
The limitation present invention.The specific implementation mode of each unit can refer to the description of embodiment one and embodiment two, and details are not described herein.
Embodiment five：
Fig. 5 shows the structure for the pick up facility that the embodiment of the present invention five provides, and for convenience of description, illustrates only and this
The relevant part of inventive embodiments.
The pick up facility 5 of the embodiment of the present invention includes processor 51, memory 52 and is stored in memory 52 and can
The computer program 53 run on processor 51.The processor 51 realizes above-mentioned pick up facility when executing computer program 53
Step in directive property sound pick-up method embodiment, such as step S101 to S103 shown in FIG. 1 and step S201 shown in Fig. 2
To S205.Alternatively, processor 51 realizes that the directive property sound pick up equipment of above-mentioned each pick up facility is real when executing computer program 53
Apply the function of each unit in example, such as the function of unit 41 to 47 shown in unit 31 to 33 and Fig. 4 shown in Fig. 3.
In embodiments of the present invention, when which executes computer program, when the pickup for receiving pick up facility user
When request, the sound of each microphone pickup of microphone array on pick up facility is identified, is judged according to recognition result
Whether the sound of each microphone pickup includes pre-set target sound, when the sound of each microphone pickup includes advance
When the sound of setting, the amplitude of the target sound of each microphone pickup is obtained, the target sound that each microphone is picked up
The pickup direction of the corresponding microphone of peak swing is set as the pickup beam position of pick up facility in amplitude, refers to pickup wave beam
It is picked up to the sound in direction, to realize that the automation of pickup beam position is set during pick up facility picks up sound
It sets, carries out the precision pickup for realizing sound, reduce the interference of ambient noise, and then improve user experience.
The processor realizes the step in the directive property sound pick-up method embodiment of above-mentioned pick up facility when executing computer program
The rapid description that can refer to embodiment one and embodiment two, details are not described herein.
Embodiment six：
In embodiments of the present invention, a kind of computer readable storage medium is provided, which deposits
Computer program is contained, which realizes that the directive property sound pick-up method of above-mentioned pick up facility is implemented when being executed by processor
Step in example, for example, step S101 to S103 shown in FIG. 1 and step S201 to S205 shown in Fig. 2.Alternatively, the meter
Calculation machine program realizes each unit, example in the directive property sound pick up equipment embodiment of above-mentioned each pick up facility when being executed by processor
The function of unit 41 to 47 shown in unit 31 to 33 and Fig. 4 as shown in Figure 3.
In embodiments of the present invention, after which is executed by processor, when receiving picking up for pick up facility user
When sound is asked, the sound of each microphone pickup of microphone array on pick up facility is identified, is sentenced according to recognition result
Whether the sound of disconnected each microphone pickup includes pre-set target sound, when the sound of each microphone pickup includes pre-
When the sound being first arranged, the amplitude of the target sound of each microphone pickup, the target sound that each microphone is picked up are obtained
Amplitude in the pickup direction of the corresponding microphone of peak swing be set as the pickup beam position of pick up facility, to pickup wave beam
The sound of pointing direction is picked up, to realize that the automation of pickup beam position is set during pick up facility picks up sound
It sets, carries out the precision pickup for realizing sound, reduce the interference of ambient noise, and then improve user experience.
The computer program is realized when being executed by processor in the directive property sound pick-up method embodiment of above-mentioned pick up facility
Step can refer to the description of embodiment one and embodiment two, and details are not described herein.
The computer readable storage medium of the embodiment of the present invention may include can carry computer program code any
Entity or device, recording medium, for example, the memories such as ROM/RAM, disk, CD, flash memory.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of directive property sound pick-up method of pick up facility, which is characterized in that the method includes following step：
When the pickup for receiving pick up facility user is asked, each microphone of microphone array on the pick up facility is picked up
The sound taken is identified；
Judge whether the sound of each microphone pickup includes pre-set target sound according to the recognition result, when
When the sound of each microphone pickup includes pre-set sound, the target sound of each microphone pickup is obtained
Amplitude；
By the pickup direction setting of the corresponding microphone of peak swing in the amplitude of the target sound of each microphone pickup
For the pickup beam position of the pick up facility, the sound in pickup beam position direction is picked up.
2. the method as described in claim 1, which is characterized in that judge that each microphone picks up according to the recognition result
Sound whether include pre-set target sound the step of before, the method further includes：
When the setting for receiving the target sound is asked, voice pickup is carried out by the microphone array；
Set the sound of the pickup to the target sound of the pick up facility.
3. the method as described in claim 1, which is characterized in that each microphone of microphone array on the pick up facility
The step of sound of pickup is identified, including：
Sound wave identification is carried out to the sound of each microphone pickup of microphone array on the pick up facility, to obtain described pick up
Wavelength, frequency, phase, amplitude and the period of the sound taken.
4. the method as described in claim 1, which is characterized in that be picked up to the sound in pickup beam position direction
After step, the method includes：
The acoustic amplitudes in pickup beam position direction are monitored；
It judges whether the acoustic amplitudes reach preset duration less than the duration of predetermined threshold value, is jumped to described in acquisition
The amplitude of the target sound of each microphone pickup, to adjust the pickup beam position of the pick up facility in time.
5. a kind of directive property sound pick up equipment of pick up facility, which is characterized in that described device includes：
Acoustic recognition unit, for when receive pick up facility user pickup ask when, to microphone on the pick up facility
The sound of each microphone pickup of array is identified；
Amplitude acquiring unit, for being judged the sound of each microphone pickup whether comprising advance according to the recognition result
The target sound of setting obtains each wheat when the sound of each microphone pickup includes pre-set sound
The amplitude of the target sound of gram wind pickup；And
First voice pickup unit, for peak swing in the amplitude of the target sound of each microphone pickup is corresponding
The pickup direction of microphone is set as the pickup beam position of the pick up facility, to the sound in pickup beam position direction
It is picked up.
6. device as claimed in claim 5, which is characterized in that described device further includes：
Second sound pickup unit, for when the setting for receiving the target sound is asked, passing through the microphone array
Carry out voice pickup；And
Target setting unit, the target sound for setting the sound of the pickup to the pick up facility.
7. device as claimed in claim 5, which is characterized in that the acoustic recognition unit includes：
Sound wave recognition unit carries out sound wave for the sound to each microphone pickup of microphone array on the pick up facility
Identification, to obtain wavelength, frequency, phase, amplitude and the period of the sound of the pickup.
8. device as claimed in claim 5, which is characterized in that described device further includes：
Amplitude monitoring unit is monitored for the acoustic amplitudes to pickup beam position direction；And
Amplitude judging unit, for judging whether the acoustic amplitudes reach preset duration less than the duration of predetermined threshold value,
It is the amplitude for triggering the target sound that the amplitude acquiring unit obtains each microphone pickup, it is described to adjust in time
The pickup beam position of pick up facility.
9. a kind of pick up facility, including memory, processor and it is stored in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as Claims 1-4 when executing the computer program
The step of any one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In when the computer program is executed by processor the step of any one of such as Claims 1-4 of realization the method.
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| CN201810055344.0A CN108419168A (en) | 2018-01-19 | 2018-01-19 | Directive property sound pick-up method, device, pick up facility and the storage medium of pick up facility |
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| CN201810055344.0A CN108419168A (en) | 2018-01-19 | 2018-01-19 | Directive property sound pick-up method, device, pick up facility and the storage medium of pick up facility |
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| CN112788479A (en) * | 2019-11-11 | 2021-05-11 | 阿里巴巴集团控股有限公司 | Pickup array, pickup device and pickup performance optimization method |
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