CN109859773A - A kind of method for recording of sound, device, storage medium and electronic equipment - Google Patents
A kind of method for recording of sound, device, storage medium and electronic equipment Download PDFInfo
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- CN109859773A CN109859773A CN201910114547.7A CN201910114547A CN109859773A CN 109859773 A CN109859773 A CN 109859773A CN 201910114547 A CN201910114547 A CN 201910114547A CN 109859773 A CN109859773 A CN 109859773A
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Abstract
The embodiment of the present application discloses method for recording, device, storage medium and the electronic equipment of a kind of sound.This method comprises: starting to record sound when recording beginning condition is triggered；After recording reaches preset duration, judge whether sound meets recording termination condition by voice activity detection function；If so, terminating the recording to sound, sound recording result is obtained.It by executing technical solution provided by the present embodiment, may be implemented that the identification terminated for the voice that user issues is more accurate, allow the significantly more efficient effect of the sound being recorded to reach.
Description
Technical field
The invention relates to study article field more particularly to a kind of method for recording of sound, device, storage medium
And electronic equipment.
Background technique
With the rapid development of social economy, scientific and technological level is gradually increased, in children for learning and growth stage, intelligent education machine
Device people has been dissolved into many families.
Children under the auxiliary of educational robot, can carry out the broadcasting of course and with reading.Currently, more commonly used
Sound recording method is the method for recording using voice activity detection (Voice Activity Detection, VAD), the recording
The benefit of method is can to carry out end recording automatically according to the sound detected, and children is allowed to be not necessarily to during with reading course
Manual operation, it is more convenient.It is exactly its sound for being recorded to often in user's standard but simultaneously there is also certain problem
It is standby with reading and with terminating between reading, this result in the sound being recorded to can not effectively reflect user with reading situation, shadow
Ring the usage experience of user.
Summary of the invention
The embodiment of the present application provides method for recording, device, storage medium and the electronic equipment of a kind of sound, and needle may be implemented
The identification that terminates of voice issued to user is more accurate, allows the significantly more efficient effect of the sound being recorded to reach.
In a first aspect, the embodiment of the present application provides a kind of method for recording of sound, this method comprises:
When recording beginning condition is triggered, start to record sound；
After recording reaches preset duration, judge whether sound meets recording and terminate item by voice activity detection function
Part；
If so, terminating the recording to sound, sound recording result is obtained.
Further, after starting to record sound, the method also includes:
If receiving the control instruction for terminating to record, terminates the recording to sound, obtain sound recording result.
Further, terminating the recording to sound, after obtaining sound recording result, the method also includes:
It scores the sound recording result, and appraisal result is fed back into user.
Further, the preset duration is 5 seconds.
Further, after reaching preset duration, judge whether sound meets recording eventually by voice activity detection function
Only condition, comprising:
After reaching preset duration, judges whether sound is less than in preset period of time by voice activity detection function and preset
Volume；
If so, determining that sound meets records termination condition.
Further, when recording beginning condition is triggered, start after being recorded to sound, the method is also wrapped
It includes:
If terminating to record from starting to carry out recording to sound to reach up to not receive acoustic information to preset duration,
And it records again, and issue the prompt information recorded again.
Second aspect, the embodiment of the present application provide a kind of record device of sound, which includes:
Start sound recording module, for starting to record sound when recording beginning condition is triggered；
Voice Activity Detection module, for passing through voice activity detection function judgement sound after recording reaches preset duration
Whether sound meets recording termination condition；
Recording result acquisition module terminates the record to sound if being judged as YES for the Voice Activity Detection module
System, obtains sound recording result.
Further, described device further include:
Terminate to record control instruction acquisition module, if terminating for receiving the control instruction for terminating to record to sound
Recording, obtain sound recording result.
Further, the method also includes:
Result grading module is recorded, for scoring the sound recording result, and appraisal result is fed back into use
Family.
Further, the preset duration is 5 seconds.
Further, the Voice Activity Detection module includes:
Sound detection unit, for after reaching preset duration, by voice activity detection function judge sound whether
It is less than default volume in preset period of time；
Termination condition judging unit, if being yes for the sound detection unit judges, it is determined that sound, which meets, to be recorded eventually
Only condition.
Further, described device further include:
Again recording control unit, if for reaching up to not receive to preset duration from starting to carry out sound to record
Acoustic information then terminates to record, and records again, and issues the prompt information recorded again.
The third aspect, the embodiment of the present application provide a kind of computer readable storage medium, are stored thereon with computer journey
Sequence realizes the method for recording of the sound as described in the embodiment of the present application when the program is executed by processor.
Fourth aspect, the embodiment of the present application provide a kind of electronic equipment, including memory, processor and are stored in storage
It can realize on device and when the computer program of processor operation, the processor execute the computer program as the application is real
Apply the method for recording of sound described in example.
Technical solution provided by the embodiment of the present application, by record beginning condition be triggered when, start to sound into
Row is recorded；After recording reaches preset duration, judge whether sound meets recording termination condition by voice activity detection function；
If so, terminating the recording to sound, sound recording result is obtained.It, can be with by using technical solution provided herein
It realizes that the identification that terminates of voice issued for user is more accurate, allows the significantly more efficient effect of the sound being recorded to reach
Fruit.
Detailed description of the invention
Fig. 1 is the flow chart of the method for recording for the sound that the embodiment of the present application one provides；
Fig. 2 is the flow chart of the method for recording for the sound that the embodiment of the present application two provides；
Fig. 3 is the structural schematic diagram of the record device for the sound that the embodiment of the present application three provides；
Fig. 4 is the structural schematic diagram for a kind of electronic equipment that the embodiment of the present application five provides.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the application, rather than the restriction to the application.It also should be noted that in order to just
Part relevant to the application is illustrated only in description, attached drawing rather than entire infrastructure.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing or method described as flow chart.Although each step is described as the processing of sequence by flow chart, many of these
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of each step can be rearranged.When its operation
The processing can be terminated when completion, it is also possible to have the additional step being not included in attached drawing.The processing can be with
Corresponding to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 is the flow chart of the method for recording for the sound that the embodiment of the present application one provides, and the present embodiment may be adapted to scene and cut
The record device of the case where changing, this method sound as provided by the embodiment of the present application executes, which can be by software
And/or the mode of hardware is realized, and can be integrated in educational robot, learning machine and other electronics learnt for user
In equipment.
As shown in Figure 1, the method for recording of the sound includes:
S110, record beginning condition be triggered when, start to record sound.
The scene that the present embodiment is applicable in includes but is not limited to voice with reading scene, i.e. the equipment such as learning machine are in course
Prompt user is with reading after appearance plays out, and in user with the process recorded in read procedure to the voice messaging of user.Its
In, user can be children, be also possible to adult, and the application does not make restriction to this.
Wherein, when recording beginning condition is triggered, the equipment such as learning machine be can be, some sentence lead in reading aloud finishing
When, the auditory tone cues " please with reading " when being also possible to make a sound prompt after leading in reading aloud, are such as issued, or issue a certain pre-
If prompt tone when.In addition to this it is possible to be to start to be recorded in the voice messaging for detecting user, such as leading
After reading a certain Statement Completion, when detecting that sound reaches default volume, determine that user starts with reading.Then start in determining recording
When condition is triggered, start to record sound.
Wherein it is possible to be recorded by the microphone of the equipment such as learning machine to sound.
S120, after recording reaches preset duration, by voice activity detection function judge sound whether meet recording eventually
Only condition.
Wherein, preset duration can according to user using and speak and be accustomed to determining, can also be used according to a large amount of
Family is determined with reading data.
In the present embodiment, it is preferred that the preset duration is 5 seconds.The benefit being arranged in this way is to may insure that user can
, may be slower relative to adult due to thinking deeply before with reading in particular for children to be thought deeply by time enough,
And children be easy issue " uh " etc. sound therefore after children can make a sound in thinking processes, will not be erroneously interpreted as
With read sound, and really carried out after thinking with read before pause when, recording is stopped.Can it is effectively improve for
The determination of the end time point of sound recording improves the accuracy and validity of the sound enrolled.
Judge whether sound meets recording termination condition by voice activity detection function.Wherein voice activity detection function
Smooth window can be set to 800 milliseconds, voice activity detection function can be the termination time to voice and detect, example
Such as, whether the volume that can detecte currently received acoustic information is less than default volume, and lasting preset duration does not have
Detect to be more than the sound for presetting volume.In this case, then it can determine that user voice is over read procedure.Institute
Can be determined the termination time to recording process by voice activity detection function, thus to whether stopping recording being met
Termination condition judged.
In the present embodiment, optionally, after reaching preset duration, whether sound is judged by voice activity detection function
Meet and record termination condition, comprising: after reaching preset duration, judges sound whether default by voice activity detection function
It is less than default volume in period；If so, determining that sound meets records termination condition.Wherein, preset period of time can be 3 seconds,
Default volume can be 40 decibels, and preset period of time and default volume are also possible to other parameters, detect sound satisfaction pre-
If being less than default volume in the period is that can then determine user with running through.The benefit being arranged in this way is available with language
Sound activity detection function, to user with reading whether to terminate to judge, to improve the standard to the recording result with reading sound
True property.
It is worth noting that by voice activity detection function, to before whether meeting termination condition, process is preset
One fixed duration, voice activity detection function just intervenes after reaching this and fixing duration, and the benefit being arranged in this way is can
To provide the user with more sufficient time, and avoid because user is with issuing other sound before reading and stopping
During formally being carried out again later with reading, user is determined with reading to terminate, obtained from by voice activity detection function
It is often invalid for being recorded to acoustic information, to influence the usage experience of user.
S130, if so, terminating recording to sound, obtain sound recording result.
Wherein, if judgement meets termination condition, terminate the recording to sound, obtain sound recording result.
It is worth noting that voice activity detection function can also be directly initiated when with reading and starting in the present embodiment,
When the time difference of the end time determined by voice activity detection function and starting recording time is less than preset duration, such as 5
Second, the recording to sound is not terminated, however setting needs first to intervene voice activity detection function relative to above scheme in this way, so
Determine whether the judgement result of voice activity detection function is effective according to preset duration afterwards, therefore realizes that process is needed relative to upper
It is more complicated to state scheme, power consumption is higher.
In the present embodiment, optionally, when recording beginning condition is triggered, start after being recorded to sound, institute
State method further include: if terminating from starting to carry out recording to sound to reach up to not receive acoustic information to preset duration
Recording, and record again, and issue the prompt information recorded again.Wherein it is possible in recording process or after recording,
Carry out voice recognition, if nothing, directly terminates to record and restarts to record to determine whether to be recorded to acoustic information, and
The prompt information recorded again is issued, the benefit being arranged in this way is can be the case where user carry out with reading in preset duration
Under, it quickly carries out handling with reading again, and user is reminded to restart with reading.Be conducive to user quickly to carry out in read procedure
Again it with the operation of reading, manually selects again without user with reading, meets the use habit of user, that improves user uses body
It tests.
Technical solution provided by the embodiment of the present application, by record beginning condition be triggered when, start to sound into
Row is recorded；After recording reaches preset duration, judge whether sound meets recording termination condition by voice activity detection function；
If so, terminating the recording to sound, sound recording result is obtained.It, can be with by using technical solution provided herein
It realizes that the identification that terminates of voice issued for user is more accurate, allows the significantly more efficient effect of the sound being recorded to reach
Fruit.
Embodiment two
Fig. 2 is the flow chart of the method for recording for the sound that the embodiment of the present application two provides.The present embodiment is in above-described embodiment
On the basis of, it is specific to optimize are as follows: after starting to record sound, the method also includes: it is recorded if receiving end
Control instruction, then terminate the recording to sound, obtain sound recording result.
As shown in Fig. 2, the method for recording of the sound includes:
S210, record beginning condition be triggered when, start to record sound.
S220, it is recording in preset duration, is judging whether to receive the control instruction for terminating to record；If so, executing
S230；If it is not, then executing S240.
Wherein, preset duration can be 5 seconds.In preset duration, voice activity detection function is not yet opened, can be at this
In the case of kind, judge whether to receive the control instruction for terminating to record.The control instruction for wherein terminating to record can be according to user
Operational order obtain.For example, the key that can be recorded by the way that the stopping of the equipment such as learning machine is arranged in obtains the point of user
Operation is hit, in addition to this it is possible to realize by the voice operating instruction for obtaining user, such as user can be complete with running through
Afterwards, printed words such as " terminate/terminate with reading " are said, to stop the recording of sound.The benefit being arranged in this way be can user complete with
After reading, instruction is depending on the user's operation to terminate the recording to sound, to improve the signal-to-noise ratio of sound recording result, Er Qieke
It is fed back with the recording result quickly to user, improves the usage experience of user.
The recording of S230, end to sound, obtains sound recording result.
After determining the control instruction for receiving and terminating to record, then it can terminate the recording to sound, obtain sound recording
As a result.
In the present embodiment, it may be said that it is bright, the acquisition for the control instruction that the end of user is recorded can started
In the preset duration of recording, can also be carried out after preset duration, the benefit being arranged in this way be can according to the demand of user with
When stop recorded voice, while improving the accuracy of sound recording result, meet the use demand of user, improve making for user
With experience.
S240, after recording reaches preset duration, by voice activity detection function judge sound whether meet recording eventually
Only condition.
S250, if so, terminating recording to sound, obtain sound recording result.
The present embodiment on the basis of the above embodiments, provide it is a kind of instruct depending on the user's operation to recording process into
The method of row control, the benefit being arranged in this way is the recording that can terminate according to the demand of user to sound, is improving sound
While recording the signal-to-noise ratio of result, moreover it is possible to which the recording demand for meeting user improves the usage experience of user.
On the basis of above-mentioned each technical solution, optionally, terminating recording to sound, obtain sound recording result it
Afterwards, the method also includes: score the sound recording result, and appraisal result fed back into user.Wherein, it scores
It can be carried out in the local side of the equipment such as learning machine, sound recording result can also be uploaded to platform and come to user with reading language
Sound scores, and user is fed back to after obtaining appraisal result, can both play the role of encouragement in this way, can also assist using
Family finds the deficiency of oneself, continually strengthens the horizontal with reading of oneself, can play the role of that user is assisted to learn well.
It is worth noting that only, with reading to illustrate, to illustrate the technology of this programme to course content in the present embodiment
Content, in actual use, this programme are also applied for other and read scene.
Embodiment three
Fig. 3 is the structural schematic diagram of the record device for the sound that the embodiment of the present application three provides.As shown in figure 3, the sound
The record device of sound, comprising:
Start sound recording module 310, for starting to record sound when recording beginning condition is triggered；
Voice Activity Detection module 320, for being judged after recording reaches preset duration by voice activity detection function
Whether sound meets recording termination condition；
Recording result acquisition module 330 terminates if being judged as YES for the Voice Activity Detection module 320 to sound
The recording of sound obtains sound recording result.
Technical solution provided by the embodiment of the present application, by record beginning condition be triggered when, start to sound into
Row is recorded；After recording reaches preset duration, judge whether sound meets recording termination condition by voice activity detection function；
If so, terminating the recording to sound, sound recording result is obtained.It, can be with by using technical solution provided herein
It realizes that the identification that terminates of voice issued for user is more accurate, allows the significantly more efficient effect of the sound being recorded to reach
Fruit.
On the basis of above-mentioned each technical solution, optionally, described device further include:
Terminate to record control instruction acquisition module, if terminating for receiving the control instruction for terminating to record to sound
Recording, obtain sound recording result.
On the basis of above-mentioned each technical solution, optionally, the method also includes:
Result grading module is recorded, for scoring the sound recording result, and appraisal result is fed back into use
Family.
On the basis of above-mentioned each technical solution, optionally, the preset duration is 5 seconds.
On the basis of above-mentioned each technical solution, optionally, the Voice Activity Detection module includes:
Sound detection unit, for after reaching preset duration, by voice activity detection function judge sound whether
It is less than default volume in preset period of time；
Termination condition judging unit, if being yes for the sound detection unit judges, it is determined that sound, which meets, to be recorded eventually
Only condition.
On the basis of above-mentioned each technical solution, optionally, described device further include:
Again recording control unit, if for reaching up to not receive to preset duration from starting to carry out sound to record
Acoustic information then terminates to record, and records again, and issues the prompt information recorded again.
Method provided by the application any embodiment can be performed in the said goods, has the corresponding functional module of execution method
And beneficial effect.
Example IV
The embodiment of the present application also provides a kind of storage medium comprising computer executable instructions, and the computer is executable
It instructs when being executed by computer processor for executing a kind of method for recording of sound, this method comprises:
When recording beginning condition is triggered, start to record sound；
After recording reaches preset duration, judge whether sound meets recording and terminate item by voice activity detection function
Part；
If so, terminating the recording to sound, sound recording result is obtained.
Storage medium --- any various types of memory devices or storage equipment.Term " storage medium " is intended to wrap
It includes: install medium, such as CD-ROM, floppy disk or magnetic tape equipment；Computer system memory or random access memory, such as
DRAM, DDR RAM, SRAM, EDO RAM, Lan Basi (Rambus) RAM etc.；Nonvolatile memory, such as flash memory, magnetic medium
(such as hard disk or optical storage)；Register or the memory component of other similar types etc..Storage medium can further include other
Memory of type or combinations thereof.In addition, storage medium can be located at program in the computer system being wherein performed, or
It can be located in different second computer systems, second computer system is connected to computer by network (such as internet)
System.Second computer system can provide program instruction to computer for executing.Term " storage medium " may include can
To reside in different location two or more storage mediums of (such as in the different computer systems by network connection).
Storage medium can store the program instruction (such as being implemented as computer program) that can be performed by one or more processors.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present application
Sound provided by the application any embodiment can also be performed in the recording operation for the sound that executable instruction is not limited to the described above
Relevant operation in the method for recording of sound.
Embodiment five
The embodiment of the present application provides a kind of electronic equipment, and sound provided by the embodiments of the present application can be integrated in the electronic equipment
The record device of sound.Fig. 4 is the structural schematic diagram for a kind of electronic equipment that the embodiment of the present application five provides.As shown in figure 4, this reality
It applies example and provides a kind of electronic equipment 400 comprising: one or more processors 420；Storage device 410, for storing one
Or multiple programs, when one or more of programs are executed by one or more of processors 420, so that one or more
A processor 420 realizes the method for recording of sound provided by the embodiment of the present application, this method comprises:
When recording beginning condition is triggered, start to record sound；
After recording reaches preset duration, judge whether sound meets recording and terminate item by voice activity detection function
Part；
If so, terminating the recording to sound, sound recording result is obtained.
Certainly, it will be understood by those skilled in the art that processor 420 can also realize that the application any embodiment is provided
Sound method for recording technical solution.
The electronic equipment 400 that Fig. 4 is shown is only an example, should not function and use scope to the embodiment of the present application
Bring any restrictions.
As shown in figure 4, the electronic equipment 400 includes processor 420, storage device 410, input unit 430 and output dress
Set 440；The quantity of processor 420 can be one or more in electronic equipment, in Fig. 4 by taking a processor 420 as an example；Electronics
Processor 420, storage device 410, input unit 430 and output device 440 in equipment can pass through bus or other modes
It connects, in Fig. 4 for being connected by bus 450.
Storage device 410 is used as a kind of computer readable storage medium, and it is executable to can be used for storing software program, computer
Program and modular unit, such as the corresponding program instruction of the method for recording of the sound in the embodiment of the present application.
Storage device 410 can mainly include storing program area and storage data area, wherein storing program area can store operation
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.
In addition, storage device 410 may include high-speed random access memory, it can also include nonvolatile memory, for example, at least
One disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, storage device 410
It can further comprise the memory remotely located relative to processor 420, these remote memories can pass through network connection.On
The example for stating network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 430 can be used for receiving number, character information or the voice messaging of input, and generation and electronic equipment
User setting and function control related key signals input.Output device 440 may include the equipment such as display screen, loudspeaker.
It is more quasi- that the identification terminated for the voice that user issues may be implemented in electronic equipment provided by the embodiments of the present application
Really, the significantly more efficient effect of the sound being recorded to is allowed to reach.
It is arbitrarily real that the application can be performed in record device, storage medium and the electronic equipment of the sound provided in above-described embodiment
The method for recording for applying sound provided by example has and executes the corresponding functional module of this method and beneficial effect.Not in above-mentioned reality
The technical detail of detailed description in example is applied, reference can be made to the method for recording of sound provided by the application any embodiment.
Note that above are only the preferred embodiment and institute's application technology principle of the application.It will be appreciated by those skilled in the art that
The application is not limited to specific embodiment described here, be able to carry out for a person skilled in the art it is various it is apparent variation,
The protection scope readjusted and substituted without departing from the application.Therefore, although being carried out by above embodiments to the application
It is described in further detail, but the application is not limited only to above embodiments, in the case where not departing from the application design, also
It may include more other equivalent embodiments, and scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. a kind of method for recording of sound characterized by comprising
When recording beginning condition is triggered, start to record sound；
After recording reaches preset duration, judge whether sound meets recording termination condition by voice activity detection function；
If so, terminating the recording to sound, sound recording result is obtained.
2. the method according to claim 1, wherein the method is also after starting to record sound
Include:
If receiving the control instruction for terminating to record, terminates the recording to sound, obtain sound recording result.
3. method according to claim 1 or 2, which is characterized in that terminating the recording to sound, obtaining sound recording knot
After fruit, the method also includes:
It scores the sound recording result, and appraisal result is fed back into user.
4. the method according to claim 1, wherein the preset duration is 5 seconds.
5. the method according to claim 1, wherein passing through voice activity detection function after reaching preset duration
It can judge whether sound meets recording termination condition, comprising:
After reaching preset duration, judge whether sound is less than default sound in preset period of time by voice activity detection function
Amount；
If so, determining that sound meets records termination condition.
6. the method according to claim 1, wherein record beginning condition be triggered when, start to sound into
After row is recorded, the method also includes:
If terminating to record, laying equal stress on from starting to carry out recording to sound to reach up to not receive acoustic information to preset duration
It is new to record, and issue the prompt information recorded again.
7. a kind of record device of sound characterized by comprising
Start sound recording module, for starting to record sound when recording beginning condition is triggered；
Voice Activity Detection module, for judging that sound is by voice activity detection function after recording reaches preset duration
No satisfaction records termination condition；
Record result acquisition module terminates the recording to sound, obtains if being judged as YES for the Voice Activity Detection module
To sound recording result.
8. device according to claim 7, which is characterized in that described device further include:
Terminate to record control instruction acquisition module, if terminating the record to sound for receiving the control instruction for terminating to record
System, obtains sound recording result.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
The method for recording such as sound of any of claims 1-6 is realized when row.
10. a kind of electronic equipment, including memory, processor and storage are on a memory and can be in the computer of processor operation
Program, which is characterized in that the processor is realized when executing the computer program as of any of claims 1-6
The method for recording of sound.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970054A (en) * | 2019-11-06 | 2020-04-07 | 广州视源电子科技股份有限公司 | Method and device for automatically stopping voice acquisition, terminal equipment and storage medium |
| CN111541602A (en) * | 2020-03-27 | 2020-08-14 | 北京三快在线科技有限公司 | Message processing method and device, electronic equipment and computer readable medium |
| CN113742517A (en) * | 2021-08-11 | 2021-12-03 | 北京百度网讯科技有限公司 | Voice packet generation method and device, electronic equipment and storage medium |
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| CN113742517A (en) * | 2021-08-11 | 2021-12-03 | 北京百度网讯科技有限公司 | Voice packet generation method and device, electronic equipment and storage medium |
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