CN106847300A - A kind of voice data processing method and device - Google Patents
A kind of voice data processing method and device Download PDFInfo
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- CN106847300A CN106847300A CN201710123431.0A CN201710123431A CN106847300A CN 106847300 A CN106847300 A CN 106847300A CN 201710123431 A CN201710123431 A CN 201710123431A CN 106847300 A CN106847300 A CN 106847300A
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- 238000003672 processing method Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 206010057855 Hypotelorism of orbit Diseases 0.000 abstract description 7
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
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Abstract
The invention provides a kind of voice data processing method and device, the method is applied to each intercommunication receiving end in intercom system, including：When the speech data that intercommunication originator sends is received, the current environment speech data for monitoring collection in advance is transferred, the duration of current environment speech data is not less than default network delay；The cross correlation of speech data and current environment speech data is calculated, and judges cross correlation whether less than threshold value；When cross correlation is less than threshold value, speech data is played；When cross correlation is not less than threshold value, speech data is abandoned.Avoiding problems due to intercommunication originator and intercommunication receiving end hypotelorism, form phonological loop and produce self-excitation, reach the purpose that removal is uttered long and high-pitched sounds.
Description
Technical field
The present invention relates to intercom technical field, more specifically to a kind of voice data processing method and device.
Background technology
Intercom system is mainly used in the industries such as public security, transport, building and service, for the contact between member of community and finger
Wave scheduling.
At present, each intercommunication end in intercom system is led to using the mode of PTT (push-to-talk, PTT)
Words, are can only at most the presence of an intercommunication that can generate voice messaging in the one-way voice of half-duplex mode, i.e. intercom system
Originator, and other intercommunication ends then receive the voice messaging of intercommunication originator to realize the communication of intercom system as intercommunication receiving end.
The intercom system that is communicated using half-duplex one-way voice is not had self-excitation typically and uttered long and high-pitched sounds, but, when
During the hypotelorism of intercommunication originator and intercommunication receiving end, the voice that intercommunication receiving end is played is possible to feed back to intercommunication originator, so that
Phonological loop is formed, causes self-excitation, and then cause generation to be uttered long and high-pitched sounds.
The content of the invention
In view of this, the present invention provides a kind of voice data processing method and device, with solving existing intercom system
The problem of uttering long and high-pitched sounds being likely to occur.Technical scheme is as follows：
A kind of voice data processing method, is applied to each intercommunication receiving end in intercom system, including：
When the speech data that intercommunication originator sends is received, the current environment speech data for monitoring collection in advance is transferred,
The duration of the current environment speech data is not less than default network delay；
The cross correlation of the speech data and the current environment speech data is calculated, and judges that the cross correlation is
It is no less than threshold value；
When the cross correlation is less than the threshold value, the speech data is played；
When the cross correlation is not less than the threshold value, the speech data is abandoned.
Preferably, the advance monitoring gathers current environment speech data, including：
The storage region for storing setting duration speech data is distributed, the setting duration is not less than the default network
Time delay；
Start microphone and Real-time Collection environment speech data, when the duration of the environment speech data is less than the setting
It is long；
The environment speech data is stored in the storage region successively；
Speech data in the storage region according to the setting duration real-time update, and will work as in the storage region
Preceding whole environment speech data is defined as current environment speech data.
Preferably, the cross correlation for calculating the speech data and the current environment speech data, including：
At least one target environment speech data, the target environment voice are chosen from the current environment speech data
The duration of data is equal to the duration of the speech data；
The cross correlation of each described target environment speech data and the speech data is calculated respectively；
The maximum in each described cross correlation is chosen as the speech data and the current environment speech data
Cross correlation.
A kind of voice data processing apparatus, including：Module, calculating judge module, voice playing module and voice is transferred to lose
Module is abandoned, the module of transferring includes monitoring collecting unit；
The monitoring collecting unit, for monitoring collection current environment speech data in advance；
It is described to transfer module, for when the speech data that intercommunication originator sends is received, transferring and monitoring collection in advance
Current environment speech data, the duration of the current environment speech data is not less than default network delay；
The calculating judge module, the cross-correlation for calculating the speech data and the current environment speech data
Property, and judge the cross correlation whether less than threshold value；
The voice playing module, for when the cross correlation is less than the threshold value, playing the speech data；
The voice discard module, for when the cross correlation is not less than the threshold value, abandoning the speech data.
Preferably, the monitoring collecting unit, specifically for：
The storage region for storing setting duration speech data is distributed, the setting duration is not less than the default network
Time delay；Start microphone and Real-time Collection environment speech data, the duration of the environment speech data is less than the setting duration；
The environment speech data is stored in the storage region successively；The storage region according to the setting duration real-time update
Interior speech data, and current whole environment speech data in the storage region is defined as current environment speech data.
Preferably, the calculating judgement for calculating the speech data and the cross correlation of the current environment speech data
Module, specifically for：
At least one target environment speech data, the target environment voice are chosen from the current environment speech data
The duration of data is equal to the duration of the speech data；Each described target environment speech data and the voice number are calculated respectively
According to cross correlation；The maximum in each described cross correlation is chosen as the speech data and the current environment voice
The cross correlation of data.
Compared to prior art, what the present invention was realized has the beneficial effect that：
A kind of voice data processing method and device that the above present invention is provided, the method are applied in intercom system each
Intercommunication receiving end, by the calculating intercommunication originator speech data for sending for receiving and the current environment voice number for monitoring collection in advance
According to cross correlation；By judge cross correlation whether less than threshold value come determine with intercommunication start distance whether exceed apart from threshold
Value；When cross correlation exceedes distance threshold less than the distance that threshold value is namely started with intercommunication, speech data is played；When mutual
When closing property is no more than distance threshold not less than the distance that threshold value is namely started with intercommunication, speech data is abandoned.Avoiding problems
Due to intercommunication originator and intercommunication receiving end hypotelorism, form phonological loop and produce self-excitation, reach the purpose that removal is uttered long and high-pitched sounds.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of voice data processing method flow chart disclosed in the embodiment of the present invention one；
Fig. 2 is a kind of voice data processing method partial process view disclosed in the embodiment of the present invention two；
Fig. 3 is another voice data processing method partial process view disclosed in the embodiment of the present invention two；
Fig. 4 is a kind of voice data processing apparatus structural representation disclosed in the embodiment of the present invention three.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one discloses a kind of voice data processing method, and each intercommunication is received in being applied to intercom system
End, flow chart is as shown in figure 1, comprise the following steps：
S101, when the speech data that intercommunication originator sends is received, transfers the current environment voice for monitoring collection in advance
Data, the duration of current environment speech data is not less than default network delay；
During step S101 is performed, intercommunication receiving end opens phonetic incepting thread and microphone collecting thread simultaneously,
Wherein microphone collecting thread is used to gather the speech data of intercommunication receiving end surrounding environment, due to generating voice number from intercommunication originator
There is certain network delay according to speech data is received to intercommunication receiving end, therefore, intercommunication receiving end need to be transferred monitors collection in advance
Current environment speech data, and the duration of current environment speech data is not less than default network delay.
S102, calculates the cross correlation of speech data and current environment speech data, and judges whether cross correlation is less than
Threshold value；
During step S102 is performed, speech data and current environment speech data can be calculated according to cross-correlation function
Cross correlation, the cross correlation is used to characterize the degree of correlation of speech data and current environment speech data, also, with it is right
Say that the distance of originator is more remote, cross correlation is also just smaller, therefore, can be by calculating the distance that cross correlation judges and intercommunication is started
Whether distance threshold is exceeded.
S103, when cross correlation is less than threshold value, plays speech data；
S104, when cross correlation is not less than threshold value, abandons speech data.
It should be noted that when cross correlation is less than threshold value, to ensure the intercommunication Experience Degree of user, can also be according to advance
The cross correlation of setting and the mapping relations of level of sound volume, speech data is played with corresponding volume, but, cross correlation and sound
The mapping relations for measuring grade should ensure that the voice of broadcasting will not feed back to intercommunication originator, so that phonological loop will not be formed, also
Will not produce and utter long and high-pitched sounds.
A kind of voice data processing method disclosed in the embodiment of the present invention, the intercommunication received by calculating starts what is sent
Speech data and the cross correlation for monitoring the current environment speech data for gathering in advance；By judging cross correlation whether less than threshold
Value come determine with intercommunication start distance whether exceed distance threshold；When cross correlation is less than what threshold value was namely started with intercommunication
When distance exceedes distance threshold, speech data is played；When cross correlation not less than threshold value namely with intercommunication start distance not
During more than distance threshold, speech data is abandoned.Avoiding problems due to intercommunication originator and intercommunication receiving end hypotelorism, voice is formed
Loop and produce self-excitation, reach the purpose uttered long and high-pitched sounds of removal.
Embodiment two
The voice data processing method with reference to disclosed in the embodiments of the present invention one, as illustrated in FIG. 1 the step of S101 in,
The specific implementation procedure of collection current environment speech data is monitored in advance, as shown in Fig. 2 comprising the following steps：
S201, distributes the storage region for storing setting duration speech data, and setting duration is not less than the default net
Network time delay；
S202, starts microphone and Real-time Collection environment speech data, and the duration of environment speech data is less than setting duration；
During step S202 is performed, Real-time Collection is presently in the environment speech data of position, for example, each time
Gather the environment speech data of 20ms.
S203, storage region is stored in by environment speech data successively；
During step S203 is performed, for example, the environment speech data of the 20ms that will be gathered each time is according to collection
The sequencing at time point is stored in storage region successively.
S204, according to the speech data in setting duration real-time update storage region, and will be current whole in storage region
Environment speech data be defined as current environment speech data；
During step S204 is performed, because the duration of the storable speech data of storage region is setting, when
The environment speech data for gathering each time is stored in during to storage region, and intercommunication receiving end judges environment languages whole in storage region
Sound data duration with setting duration difference whether be more than 0, if so, by storage time it is earliest when a length of difference environment voice
Data are deleted, and current whole environment speech data in storage region is defined as into current environment speech data；
For example, a length of 500ms during setting, intercommunication receiving end gathers the environment speech data of 20ms each time, also, when will most
When the environment speech data storage of the nearly 20ms for once gathering is to storage region, in storage region whole environment speech datas when
The difference with 500ms long is 20ms, then delete the storage region memory storage time it is earliest when a length of 20ms environment speech data,
The speech data in storage region is updated with this.
A kind of voice data processing method disclosed in the embodiment of the present invention, the intercommunication received by calculating starts what is sent
Speech data and the cross correlation for monitoring the current environment speech data for gathering in advance；By judging cross correlation whether less than threshold
Value come determine with intercommunication start distance whether exceed distance threshold；When cross correlation is less than threshold value, speech data is played；When
When cross correlation is not less than threshold value, speech data is abandoned.Avoiding problems due to intercommunication originator and intercommunication receiving end hypotelorism, shape
Self-excitation is produced into phonological loop, the purpose that removal is uttered long and high-pitched sounds is reached.
The voice data processing method with reference to disclosed in the embodiments of the present invention one, as illustrated in FIG. 1 the step of S102 in
The specific implementation procedure of the speech data and the cross correlation of the current environment speech data is calculated, as shown in figure 3, including
Following steps：
S301, chooses at least one target environment speech data, target environment voice number from current environment speech data
According to duration be equal to speech data duration；
S302, calculates the cross correlation of each target environment speech data and speech data respectively；
S303, chooses the maximum in each cross correlation as speech data and the cross-correlation of current environment speech data
Property.
A kind of voice data processing method disclosed in the embodiment of the present invention, the intercommunication received by calculating starts what is sent
Speech data and the cross correlation for monitoring the current environment speech data for gathering in advance；By judging cross correlation whether less than threshold
Value come determine with intercommunication start distance whether exceed distance threshold；When cross correlation is less than threshold value, speech data is played；When
When cross correlation is not less than threshold value, speech data is abandoned.Avoiding problems due to intercommunication originator and intercommunication receiving end hypotelorism, shape
Self-excitation is produced into phonological loop, the purpose that removal is uttered long and high-pitched sounds is reached.
Embodiment three
Based on voice data processing method disclosed in the various embodiments described above, the embodiment of the present invention three is then corresponded on open execution
The device of voice data processing method is stated, as shown in figure 4, voice data processing apparatus 100 include：Module 101, calculating is transferred to sentence
Disconnected module 102, voice playing module 103 and voice discard module 104, transferring module 101 includes monitoring collecting unit 1011；
Collecting unit 1011 is monitored, for monitoring collection current environment speech data in advance；
Module 101 is transferred, for when the speech data that intercommunication originator sends is received, transferring and monitoring working as collection in advance
Preceding environment speech data, the duration of current environment speech data is not less than default network delay；
Judge module 102, the cross correlation for calculating speech data and current environment speech data are calculated, and judges mutual
Whether correlation is less than threshold value；
Voice playing module 103, for when cross correlation is less than threshold value, playing speech data；
Voice discard module 104, for when cross correlation is not less than threshold value, abandoning speech data.
It should be noted that collecting unit 1011 is monitored, specifically for：
The storage region for storing setting duration speech data is distributed, setting duration is not less than default network delay；Open
Dynamic microphone and Real-time Collection environment speech data, the duration of environment speech data is less than setting duration；By environment speech data
Storage region is stored in successively；According to the speech data in setting duration real-time update storage region, and will work as in storage region
Preceding whole environment speech data is defined as current environment speech data.
Also, it should be noted that calculate speech data judges mould with the calculating of the cross correlation of current environment speech data
Block, specifically for：
Choose at least one target environment speech data from current environment speech data, target environment speech data when
Duration equal to speech data long；The cross correlation of each target environment speech data and speech data is calculated respectively；Choose each
Maximum in individual cross correlation is used as speech data and the cross correlation of current environment speech data.
A kind of voice data processing apparatus disclosed in the embodiment of the present invention, the intercommunication received by calculating starts what is sent
Speech data and the cross correlation for monitoring the current environment speech data for gathering in advance；By judging cross correlation whether less than threshold
Value come determine with intercommunication start distance whether exceed distance threshold；When cross correlation is less than threshold value, speech data is played；When
When cross correlation is not less than threshold value, speech data is abandoned.Avoiding problems due to intercommunication originator and intercommunication receiving end hypotelorism, shape
Self-excitation is produced into phonological loop, the purpose that removal is uttered long and high-pitched sounds is reached.
A kind of voice data processing method provided by the present invention and device are described in detail above, herein should
Principle of the invention and implementation method are set forth with specific case, the explanation of above example is only intended to help and manages
The solution method of the present invention and its core concept；Simultaneously for those of ordinary skill in the art, according to thought of the invention,
Be will change in specific embodiment and range of application, in sum, this specification content should not be construed as to this hair
Bright limitation.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device disclosed in embodiment, because it is corresponded to the method disclosed in Example, so fairly simple, the phase of description
Part is closed referring to method part illustration.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and between not necessarily requiring or implying these entities or operate
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that process, method, article or the intrinsic key element of equipment including a series of key elements,
Or it is these processes, method, article or the intrinsic key element of equipment also to include.In the absence of more restrictions,
The key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method, article or equipment
In also there is other identical element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (6)
1. a kind of voice data processing method, it is characterised in that be applied to each intercommunication receiving end in intercom system, including：
When the speech data that intercommunication originator sends is received, the current environment speech data for monitoring collection in advance is transferred, it is described
The duration of current environment speech data is not less than default network delay；
The cross correlation of the speech data and the current environment speech data is calculated, and judges whether the cross correlation is small
In threshold value；
When the cross correlation is less than the threshold value, the speech data is played；
When the cross correlation is not less than the threshold value, the speech data is abandoned.
2. method according to claim 1, it is characterised in that described advance to monitor collection current environment speech data, bag
Include：
The storage region for storing setting duration speech data is distributed, the setting duration prolongs not less than the default network
When；
Start microphone and Real-time Collection environment speech data, the duration of the environment speech data is less than the setting duration；
The environment speech data is stored in the storage region successively；
Speech data in the storage region according to the setting duration real-time update, and will be current complete in the storage region
The environment speech data in portion is defined as current environment speech data.
3. method according to claim 1, it is characterised in that the calculating speech data and the current environment language
The cross correlation of sound data, including：
At least one target environment speech data, the target environment speech data are chosen from the current environment speech data
Duration be equal to the speech data duration；
The cross correlation of each described target environment speech data and the speech data is calculated respectively；
The maximum chosen in each described cross correlation is mutual with the current environment speech data as the speech data
Correlation.
4. a kind of voice data processing apparatus, it is characterised in that including：Transfer module, calculate judge module, voice playing module
With voice discard module, the module of transferring is including monitoring collecting unit；
The monitoring collecting unit, for monitoring collection current environment speech data in advance；
It is described to transfer module, for when the speech data that intercommunication originator sends is received, transferring and monitoring the current of collection in advance
Environment speech data, the duration of the current environment speech data is not less than default network delay；
The calculating judge module, the cross correlation for calculating the speech data and the current environment speech data, and
Judge the cross correlation whether less than threshold value；
The voice playing module, for when the cross correlation is less than the threshold value, playing the speech data；
The voice discard module, for when the cross correlation is not less than the threshold value, abandoning the speech data.
5. device according to claim 4, it is characterised in that the monitoring collecting unit, specifically for：
The storage region for storing setting duration speech data is distributed, the setting duration prolongs not less than the default network
When；Start microphone and Real-time Collection environment speech data, the duration of the environment speech data is less than the setting duration；Will
The environment speech data is stored in the storage region successively；In the storage region according to the setting duration real-time update
Speech data, and environment speech data current whole in the storage region is defined as current environment speech data.
6. device according to claim 4, it is characterised in that the calculating speech data and the current environment language
The calculating judge module of the cross correlation of sound data, specifically for：
At least one target environment speech data, the target environment speech data are chosen from the current environment speech data
Duration be equal to the speech data duration；Each described target environment speech data and the speech data are calculated respectively
Cross correlation；The maximum in each described cross correlation is chosen as the speech data and the current environment speech data
Cross correlation.
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| CN108712218A (en) * | 2018-05-04 | 2018-10-26 | 福建科立讯通信有限公司 | A method of detection simulation talk back equipment closely utter long and high-pitched sounds possibility by call |
| WO2023206506A1 (en) * | 2022-04-29 | 2023-11-02 | 海能达通信股份有限公司 | Determination method and apparatus for near-field communication, and computer-readable storage medium |
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