CN109379676A - The processing method and processing device of audio data, storage medium, electronic device - Google Patents
The processing method and processing device of audio data, storage medium, electronic device Download PDFInfo
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- CN109379676A CN109379676A CN201811410142.XA CN201811410142A CN109379676A CN 109379676 A CN109379676 A CN 109379676A CN 201811410142 A CN201811410142 A CN 201811410142A CN 109379676 A CN109379676 A CN 109379676A
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- microphone unit
- loudspeaker
- sound wave
- microphone
- audio data
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The present invention provides a kind of processing method and processing device of audio data, storage medium, electronic device, the above method comprises determining that the microphone unit influenced by loudspeaker casting, wherein the microphone unit is located in the microphone queue of smart machine；Obtaining influences the voice messaging that the loudspeaker of the microphone unit plays；Noise reduction process is carried out according to audio data of the voice messaging to the microphone unit, it solves in the related technology, smart machine is led to problems such as the speech recognition effect received to smart machine poor in turn by the noise effect of loudspeaker itself, and then influence of the loudspeaker to smart machine itself is reduced, improve the phonetic recognization rate of smart machine.
Description
Technical field
The present invention relates to the communications fields, are situated between in particular to a kind of processing method and processing device of audio data, storage
Matter, electronic device.
Background technique
Voice is widely used in recent years as man-machine interaction mode in the various aspects of smart field, such as Amazon
Echo speaker, the winged phonitic entry method application of the Siri assistant of apple, news etc..Each field attempts to lead intelligence with voice technology
The agitation of energy, field of household appliances are also making smart home ecological environment by point of penetration of voice, and being related to product includes Sharp's intelligence
Energy voice television, intelligent king's voice air conditioner of beauty, section's Butterworth sweeper etc..But it during voice technology is promoted, can not keep away
The problem that encounters exempted from is exactly household electrical appliances intellectual product when being identified based on voice technology, will receive the noise ring of around
Noise brought by border, the especially loudspeaker of household electrical appliances intellectual product itself.
For in the related technology, smart machine is caused to receive smart machine in turn by the noise effect of loudspeaker itself
The problems such as speech recognition effect arrived is poor, not yet puts forward effective solutions.
Summary of the invention
The embodiment of the invention provides a kind of processing method and processing device of audio data, storage medium, electronic devices, so that
It is few to solve smart machine in the related technology by the noise effect of loudspeaker itself and then lead to the language received to smart machine
The problems such as sound recognition effect is poor.
According to one embodiment of present invention, a kind of processing method of audio data is provided, comprising:
Determine the microphone unit influenced by loudspeaker casting, wherein the microphone unit is located at the wheat of smart machine
In gram wind queue；
Obtaining influences the voice messaging that the loudspeaker of the microphone unit plays；
Noise reduction process is carried out according to audio data of the voice messaging to the microphone unit.
Optionally, noise reduction process is carried out according to audio data of the voice messaging to the microphone unit, comprising:
Generate the reversed sound wave of sound wave corresponding with the voice messaging；
Noise reduction process is carried out according to audio data of the reversed sound wave to the microphone unit.
Optionally, noise reduction process is carried out according to audio data of the reversed sound wave to the microphone unit, comprising:
Destructive interference is carried out according to sound wave of the reversed sound wave to the microphone unit.
Optionally it is determined that before the microphone unit influenced by loudspeaker casting, the method also includes:
The microphone queue is judged when obtaining voice data, and whether loudspeaker is in casting voice, if so, determining institute
State microphone queue is influenced by the loudspeaker casting.
Optionally, obtaining influences the voice messaging that the loudspeaker of the microphone unit plays, comprising:
Reduce the voice collecting weight of the loudspeaker of the microphone unit；According to the voice collecting Weight Acquisition after reduction
The voice messaging that the loudspeaker of the microphone unit plays.
According to another embodiment of the invention, a kind of processing unit of audio data is additionally provided, comprising:
Determination unit, for determining the microphone unit influenced by loudspeaker casting, wherein the microphone unit is located at
In the microphone queue of smart machine；
Acquiring unit, for obtaining the voice messaging for influencing the loudspeaker of the microphone unit and playing；
Processing unit, for carrying out noise reduction process according to audio data of the voice messaging to the microphone unit.
Optionally, processing unit, comprising:
Generation module, for generating the reversed sound wave of sound wave corresponding with the voice messaging；
Processing module, for carrying out noise reduction process according to audio data of the reversed sound wave to the microphone unit.
Optionally, the processing module, for carrying out phase according to sound wave of the reversed sound wave to the microphone unit
Disappear interference.
Optionally, described device further include:
Judging unit, for judging the microphone queue when obtaining voice data, whether loudspeaker is broadcasting voice,
If so, determining that the microphone queue is influenced by the loudspeaker casting.
According to another embodiment of the invention, a kind of storage medium is additionally provided, meter is stored in the storage medium
Calculation machine program, wherein the computer program is arranged to execute the processing method of any of the above-described audio data when operation.
According to another embodiment of the invention, a kind of electronic device, including memory and processor are additionally provided, it is described
Computer program is stored in memory, the processor is arranged to run the computer program to execute any of the above-described
The processing method of audio data.
By means of the invention it is possible to which the voice messaging played according to the loudspeaker for influencing the microphone unit is to microphone list
The audio data of member carries out the technical solution of noise reduction process, solves in the related technology, smart machine is by loudspeaker itself
It is right that noise effect leads to problems such as the speech recognition effect received to smart machine poor, and then reduce loudspeaker itself in turn
The influence of smart machine improves the phonetic recognization rate of smart machine.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the processing method of audio data according to an embodiment of the present invention；
Fig. 2 is the structural block diagram of the processing unit of audio data according to an embodiment of the present invention；
Fig. 3 is another structural block diagram of the processing unit of audio data according to an embodiment of the present invention；
Fig. 4 is schematic diagram of a scenario according to the preferred embodiment of the invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
Embodiment 1
A kind of processing method of audio data is provided in the present embodiment, and Fig. 1 is audio according to an embodiment of the present invention
The flow chart of the processing of data, as shown in Figure 1, the process includes the following steps:
Step S102 determines the microphone unit influenced by loudspeaker casting, wherein microphone unit is located at smart machine
Microphone queue in；
Step S104, obtaining influences the voice messaging that the loudspeaker of microphone unit plays；
Step S106 carries out noise reduction process according to audio data of the voice messaging to microphone unit.
Through the invention, by means of the invention it is possible to the voice messaging pair played according to the loudspeaker for influencing microphone unit
The audio data of microphone unit carries out the technical solution of noise reduction process, solves in the related technology, smart machine is by itself
The noise effect of loudspeaker leads to problems such as the speech recognition effect received to smart machine poor in turn, and then reduces loudspeaking
Influence of the device to smart machine itself, improves the phonetic recognization rate of smart machine.
Step S106 can be accomplished by the following way: generate the reversed sound wave of sound wave corresponding with voice messaging；According to
Reversed sound wave carries out noise reduction process to the audio data of microphone unit, specifically, according to reversed sound wave to microphone unit
Sound wave carries out destructive interference.
Optionally, it before executing step S102, also needs to execute following steps:
Microphone queue is judged when obtaining voice data, and whether loudspeaker is in casting voice, if so, determining microphone
Queue is influenced by loudspeaker casting.
In order to preferably reduce influence of the loudspeaker noise to smart machine, the loudspeaking for influencing the microphone unit is obtained
The voice messaging that device plays, can be achieved through the following technical solutions: the voice for reducing the loudspeaker of the microphone unit is adopted
Collect weight；The voice messaging played according to the loudspeaker of microphone unit described in the voice collecting Weight Acquisition after reduction.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) method that executes each embodiment of the present invention.
Embodiment 2
Additionally provide a kind of processing unit of audio data in the present embodiment, the device for realizing above-described embodiment and
Preferred embodiment, the descriptions that have already been made will not be repeated.As used below, predetermined function may be implemented in term " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
Fig. 2 is the structural block diagram of the processing unit of audio data according to an embodiment of the present invention, as shown in Fig. 2, the device
Include:
Determination unit 20, for determining the microphone unit influenced by loudspeaker casting, wherein microphone unit is located at intelligence
In the microphone queue of energy equipment；
Acquiring unit 22, for obtaining the voice messaging for influencing the loudspeaker of microphone unit and playing；
Processing unit 24, for carrying out noise reduction process according to audio data of the voice messaging to microphone unit.
By the effect of above-mentioned modules, the voice messaging pair that can be played according to the loudspeaker for influencing microphone unit
The audio data of microphone unit carries out the technical solution of noise reduction process, solves in the related technology, smart machine is by itself
The noise effect of loudspeaker leads to problems such as the speech recognition effect received to smart machine poor in turn, and then reduces loudspeaking
Influence of the device to smart machine itself, improves the phonetic recognization rate of smart machine.
Optionally, as shown in figure 3, processing unit 24, comprising:
Generation module 240, for generating the reversed sound wave of sound wave corresponding with voice messaging；
Processing module 242, for carrying out noise reduction process according to audio data of the reversed sound wave to microphone unit.
Optionally, processing module 242, for carrying out destructive interference according to sound wave of the reversed sound wave to microphone unit.
As shown in figure 3, optionally, above-mentioned apparatus further include:
Judging unit 26, for judging microphone queue when obtaining voice data, whether loudspeaker is broadcasting voice, if
It is, it is determined that microphone queue is influenced by loudspeaker casting.
Acquiring unit 22 is also used to reduce the voice collecting weight of the loudspeaker of the microphone unit；After reduction
Voice collecting Weight Acquisition described in microphone unit loudspeaker play voice messaging.
It is illustrated below in conjunction with treatment process of the preferred embodiment to above-mentioned audio data, but is not used in the restriction present invention
Embodiment.
As shown in figure 4, being set by the intelligence that microphone array, loudspeaker, loudspeaker noise reduction unit, wireless communication module form
Standby to complete following technical scheme, the method for concrete sound noise reduction includes the following steps:
Step 1, the microphone unit influenced in microphone array by loudspeaker casting is determined, wherein default is microphone
Voice collecting direction and loudspeaker casting direction are in unidirectional microphone unit.
Step 2, when the instruction of microphone array acquisition user speech, judge whether loudspeaker is broadcasting voice, if without casting,
Loudspeaker noise reduction process is not done then.
Step 3, when judging that loudspeaker is being broadcasted, loudspeaker noise reduction unit is collected to impacted microphone unit
Audio data carries out noise reduction process.Noise reduction process process is active noise reduction, and the casting source of sound by handling loudspeaker generates equal
Reversed sound wave, so that the collected sound wave of itself and impacted microphone unit is carried out destructive interference, offset casting sound, generate drop
Audio data after making an uproar, to realize the specific aim noise reduction to loudspeaker casting sound.
Embodiment 3
The embodiments of the present invention also provide a kind of storage medium, which includes the program of storage, wherein above-mentioned
Program executes method described in any of the above embodiments when running.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store the journey for executing following steps
Sequence code:
S1 determines the microphone unit influenced by loudspeaker casting, wherein microphone unit is located at the Mike of smart machine
In wind queue；
S2, obtaining influences the voice messaging that the loudspeaker of microphone unit plays；
S3 carries out noise reduction process according to audio data of the voice messaging to microphone unit.
Optionally, storage medium is also configured to store the program code for executing following steps:
S4 generates the reversed sound wave of sound wave corresponding with the voice messaging；
S5 carries out noise reduction process according to audio data of the reversed sound wave to the microphone unit.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store program code such as disk, magnetic or disk.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within principle of the invention, it is made it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of processing method of audio data characterized by comprising
Determine the microphone unit influenced by loudspeaker casting, wherein the microphone unit is located at the microphone of smart machine
In queue；
Obtaining influences the voice messaging that the loudspeaker of the microphone unit plays；
Noise reduction process is carried out according to audio data of the voice messaging to the microphone unit.
2. the method according to claim 1, wherein according to the voice messaging to the sound of the microphone unit
Frequency is according to progress noise reduction process, comprising:
Generate the reversed sound wave of sound wave corresponding with the voice messaging；
Noise reduction process is carried out according to audio data of the reversed sound wave to the microphone unit.
3. according to the method described in claim 2, it is characterized in that, according to the reversed sound wave to the sound of the microphone unit
Frequency is according to progress noise reduction process, comprising:
Destructive interference is carried out according to sound wave of the reversed sound wave to the microphone unit.
4. the method according to claim 1, wherein obtaining the loudspeaker broadcasting for influencing the microphone unit
Voice messaging, comprising:
Reduce the voice collecting weight of the loudspeaker of the microphone unit；
The voice messaging played according to the loudspeaker of microphone unit described in the voice collecting Weight Acquisition after reduction.
5. the method according to claim 1, wherein determine the microphone unit that is influenced by loudspeaker casting it
Before, the method also includes:
The microphone queue is judged when obtaining voice data, and whether loudspeaker is in casting voice, if so, determining the wheat
Gram wind queue is influenced by the loudspeaker casting.
6. a kind of processing unit of audio data characterized by comprising
Determination unit, for determining the microphone unit influenced by loudspeaker casting, wherein the microphone unit is located at intelligence
In the microphone queue of equipment；
Acquiring unit, for obtaining the voice messaging for influencing the loudspeaker of the microphone unit and playing；
Processing unit, for carrying out noise reduction process according to audio data of the voice messaging to the microphone unit.
7. device according to claim 6, which is characterized in that processing unit, comprising:
Generation module, for generating the reversed sound wave of sound wave corresponding with the voice messaging；
Processing module, for carrying out noise reduction process according to audio data of the reversed sound wave to the microphone unit.
8. device according to claim 7, which is characterized in that the processing module, for according to the reversed sound wave pair
The sound wave of the microphone unit carries out destructive interference.
9. a kind of storage medium, which is characterized in that be stored with computer program in the storage medium, wherein the computer
Program is arranged to execute method described in any one of claim 1 to 5 when operation.
10. a kind of electronic device, including memory and processor, which is characterized in that be stored with computer journey in the memory
Sequence, the processor are arranged to run the computer program to execute side described in any one of claim 1 to 5
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811410142.XA CN109379676A (en) | 2018-11-23 | 2018-11-23 | The processing method and processing device of audio data, storage medium, electronic device |
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| CN201811410142.XA CN109379676A (en) | 2018-11-23 | 2018-11-23 | The processing method and processing device of audio data, storage medium, electronic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011749A (en) * | 2019-04-10 | 2019-07-12 | 中山大学 | It is a kind of in multi-carrier modulation based on the safety of physical layer communication means of sound wave destructive interference |
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| US20130129100A1 (en) * | 2011-11-18 | 2013-05-23 | Karsten Vandborg Sorensen | Processing audio signals |
| CN105516859A (en) * | 2015-11-27 | 2016-04-20 | 深圳Tcl数字技术有限公司 | Method and system for eliminating echo |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110011749A (en) * | 2019-04-10 | 2019-07-12 | 中山大学 | It is a kind of in multi-carrier modulation based on the safety of physical layer communication means of sound wave destructive interference |
| CN110011749B (en) * | 2019-04-10 | 2021-02-05 | 中山大学 | Physical layer secure communication method based on sound wave destructive interference in multi-carrier modulation |
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Application publication date: 20190222 |