CN111863032A - Method and system for optimizing audio acquisition equipment and computer readable storage medium - Google Patents
Method and system for optimizing audio acquisition equipment and computer readable storage medium Download PDFInfo
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- CN111863032A CN111863032A CN202010533701.7A CN202010533701A CN111863032A CN 111863032 A CN111863032 A CN 111863032A CN 202010533701 A CN202010533701 A CN 202010533701A CN 111863032 A CN111863032 A CN 111863032A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000003860 storage Methods 0.000 title claims abstract description 15
- 238000011156 evaluation Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 3
- 238000010187 selection method Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 7
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
- G10L25/60—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for measuring the quality of voice signals
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
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Abstract
The invention discloses an optimal selection method and an optimal selection system of audio acquisition equipment and a computer readable storage medium, wherein the optimal selection method comprises the following steps: a plurality of audio acquisition devices in the same scene simultaneously acquire audio; detecting the collected audio, and judging whether the audio contains human voice; when a certain audio acquisition device detects human voice within a period of time, evaluating the acquisition quality of the audio acquisition device; and comparing the acquisition quality of all the audio acquisition equipment, and selecting the audio acquisition equipment with the highest acquisition quality. The optimal method and the system for the audio acquisition equipment can automatically detect the audio acquisition equipment with the optimal acquisition quality.
Description
Technical Field
The present invention relates to the field of multimedia communication, and more particularly, to an audio acquisition device optimization method and system, and a computer-readable storage medium.
Background
In a general multimedia conference or multimedia communication system, a terminal enumerates all audio capture devices, selects a default capture device (e.g., selects a first device) according to a certain rule, and optionally presents all audio capture devices to a user through a user interface, and the user can manually select a device desired to be used.
When a conference terminal has a plurality of audio acquisition devices, due to the difference of software and hardware of each acquisition device (some acquisition devices have advanced functions of noise reduction, echo cancellation and the like), different pickup ranges, different distances from users and the like, the acquired audio quality is different, and even some devices cannot acquire audio due to reasons such as faults and the like. If the current selected and used equipment is faulty, the opposite side can not hear the speech of the local side, and the user needs to reselect the equipment after finding a problem; if the currently selected device with poor acquisition quality can communicate with other users, the best user experience cannot be achieved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a preferable method and a preferable system of an audio acquisition device and a computer-readable storage medium, which can automatically detect the audio acquisition device with the best acquisition quality.
To achieve the above object, the present invention provides a preferable method of an audio capturing apparatus, which includes: a plurality of audio acquisition devices in the same scene simultaneously acquire audio; detecting the collected audio, and judging whether the audio contains human voice; when a certain audio acquisition device detects human voice within a period of time, evaluating the acquisition quality of the audio acquisition device; and comparing the acquisition quality of all the audio acquisition equipment, and selecting the audio acquisition equipment with the highest acquisition quality.
In an embodiment of the present invention, the preferred method of the audio capture device further includes: comparing the selected audio acquisition equipment with the highest acquisition quality with the currently used audio acquisition equipment, and if the selected audio acquisition equipment and the currently used audio acquisition equipment are the same equipment, ending the operation; otherwise, prompt information is fed back to the user through the user interface, and the audio acquisition equipment with the highest acquisition quality is recommended.
In an embodiment of the present invention, the simultaneously performing audio acquisition on a plurality of audio acquisition devices in the same scene includes: and after the terminal joins the conference or the audio acquisition equipment changes are detected in the conference and a plurality of acquisition equipment exist, audio acquisition is carried out.
In an embodiment of the present invention, the above-mentioned preferred method for evaluating the acquisition quality of the audio acquisition device includes: determining the values of various evaluation indexes of the collection quality, wherein the evaluation indexes comprise: whether voice, voice volume and background noise are collected or not, whether echo is collected or not and the size of the echo; and calculating the acquisition quality according to the evaluation indexes and the weight values of the evaluation indexes.
The invention also provides a preferable system of the audio acquisition equipment, wherein the preferable system comprises a plurality of audio acquisition equipment under the same scene, and the preferable system further comprises: the device comprises a plurality of audio acquisition modules, a plurality of audio detection modules, a plurality of acquisition quality calculation modules and a preference module. Each audio acquisition module is coupled with an audio acquisition device, and the plurality of audio acquisition modules are used for audio acquisition. Each audio detection module is coupled with one audio acquisition module and used for detecting audio and judging whether the audio contains human voice. Each acquisition quality calculation module is coupled with one audio detection module and used for evaluating the acquisition quality of the audio acquisition equipment after the audio detection module detects human voice within a period of time. The optimization module is coupled with each acquisition quality calculation module and is used for comparing the acquisition quality of all the audio acquisition devices and selecting the audio acquisition device with the highest acquisition quality.
In an embodiment of the present invention, the preferred system further includes a feedback module, coupled to the preferred module, for comparing the selected audio acquisition device with the highest acquisition quality with the currently used audio acquisition device, and if the two audio acquisition devices are the same device, ending the operation; otherwise, prompt information is fed back to the user through the user interface, and the audio acquisition equipment with the highest acquisition quality is recommended.
In an embodiment of the present invention, the preferred system further includes an initial detection module coupled to the plurality of audio capture modules, and the initial detection module notifies the plurality of audio capture modules to capture audio simultaneously after the terminal joins the conference or detects that the audio capture device changes and the plurality of audio capture devices exist in the conference.
In an embodiment of the present invention, the acquisition quality calculating module includes: the device comprises an audio playing module, an evaluation index value determining module and a calculating module. The audio playing module is used for detecting echo. The evaluation index value determination module is coupled with the audio playing module and the audio detection module, and is configured to determine values of evaluation indexes of the acquisition quality, where the evaluation indexes include: whether voice, voice volume, background noise, whether echo is collected or not and echo size are collected. The calculation module is coupled with the evaluation index value determination module and used for calculating the acquisition quality according to the evaluation indexes and the weight values of the evaluation indexes.
The present invention provides a computer-readable storage medium for performing the preferred method of the audio capture device of any of the above embodiments.
Compared with the prior art, the optimal method and system for the audio acquisition equipment and the computer-readable storage medium of the invention can recommend the optimal acquisition equipment to the user by automatically and intelligently detecting and evaluating the acquisition quality of each audio acquisition equipment, thereby improving the user experience quality compared with the traditional mode that the user uses default equipment or manually selects equipment.
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FIG. 1 is a flow diagram of a preferred method according to an embodiment of the present invention;
FIG. 2 is a preferred system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an acquisition quality calculation module according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
In order to overcome the problems in the prior art, the present embodiment provides a method and a system for optimizing an audio acquisition device, where after a conference is joined or a change in the audio acquisition device is detected in the conference, if a plurality of acquisition devices exist, all audio input devices are monitored simultaneously, voice detection is performed on acquired audio data, and if voice input exists, acquisition effect evaluations such as acquisition volume, background noise, echo detection are further performed, so as to find and recommend an audio acquisition device with the best effect.
In this embodiment, after the terminal joins the conference or in the conference, if it is detected that the audio capturing device changes and there are multiple capturing devices, the preferred process is started.
Fig. 1 is a flow chart of a preferred method of the present embodiment, which includes steps S1 to S5.
Audio acquisition is performed in step S1. Simultaneously carrying out audio acquisition on a plurality of audio acquisition devices in the same scene;
audio detection is performed in step S2. Detecting the collected audio, and judging whether the audio contains human voice;
in step S3, the quality of the collection is evaluated. When the voice of a certain audio acquisition device is detected within a period of time, the acquisition quality of the audio acquisition device is evaluated. The evaluation indexes include whether voice is collected or not, voice volume, background noise, whether echo is collected or not, echo size and the like, and each index has different weights, wherein the weight of whether the voice is collected is the highest, namely equipment which does not collect voice is eliminated firstly. And selecting one acquisition device with the highest acquisition quality after calculation of an evaluation algorithm.
The audio capturing apparatus with the highest capturing quality is selected in step S4.
The information is fed back to the user in step S5. Comparing the selected audio acquisition equipment with the highest acquisition quality with the currently used audio acquisition equipment, and if the selected audio acquisition equipment and the currently used audio acquisition equipment are the same equipment, ending the operation; otherwise, prompt information is fed back to the user through the user interface, and the audio acquisition equipment with the highest acquisition quality is recommended. The user may autonomously choose to continue using the current device or switch to the recommended device.
According to the same inventive concept, the present invention also provides a preferred system of an audio capture device, and fig. 2 is a preferred system according to an embodiment of the present invention. The preferred system comprises a plurality of audio acquisition devices in the same scene, and specifically further comprises: the system comprises a plurality of audio acquisition modules 11, a plurality of audio detection modules 12, a plurality of acquisition quality calculation modules 13 and a preference module 14.
Each audio capture module 11 is coupled to an audio capture device, and the plurality of audio capture modules 11 are configured to capture audio.
Each audio detection module 12 is coupled to one audio acquisition module 11, and is configured to detect an audio and determine whether the audio contains a human voice.
Each acquisition quality calculation module 13 is coupled to one of the audio detection modules 12, and configured to evaluate the acquisition quality of the audio acquisition device when the audio detection module 12 detects human voice for a period of time.
Fig. 3 is a schematic structural diagram of the acquisition quality calculation module 13 according to an embodiment. The acquisition quality calculation module 13 includes: an audio playing module 13a, an evaluation index value determining module 13b and a calculating module 13 c. The audio playing module 13a is used for detecting echo. The evaluation index value determination module 13b is coupled to the audio playing module 13a and the audio detecting module 12, and configured to determine values of evaluation indexes of the acquisition quality, where the evaluation indexes include: whether voice, voice volume, background noise, whether echo is collected or not and echo size are collected. The calculating module 13c is coupled to the evaluation index value determining module 13b, and is configured to calculate the acquisition quality according to the evaluation indexes and the weight values of the evaluation indexes.
A preference module 14 is coupled to each acquisition quality calculation module 13 for comparing said acquisition qualities of all audio acquisition devices and selecting the audio acquisition device with the highest acquisition quality.
The feedback module 15 is coupled to the preference module 14, and is configured to compare the selected audio acquisition device with the highest acquisition quality with the currently used audio acquisition device, and if the two audio acquisition devices are the same device, end the operation; otherwise, prompt information is fed back to the user through the user interface, and the audio acquisition equipment with the highest acquisition quality is recommended.
In one embodiment, the preferred system further comprises: and the initial detection module is coupled with the plurality of audio acquisition modules 11, and notifies the plurality of audio acquisition modules 11 to acquire audio at the same time after the terminal joins the conference or detects that the audio acquisition equipment changes and the plurality of audio acquisition equipment exists in the conference.
Based on the same inventive concept, the invention also provides a computer readable storage medium. In one embodiment, the computer readable storage medium is used for executing the preferred method of the audio acquisition device described in the above embodiments.
In summary, according to the preferred method and system for audio capture devices and the computer-readable storage medium of the present embodiment, the capture quality of each audio capture device is automatically and intelligently detected and evaluated, and the best capture device is recommended to the user, so that the user experience quality is improved compared to the conventional method in which the user uses a default device or manually selects a device.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. A preferred method of an audio capture device, comprising:
a plurality of audio acquisition devices in the same scene simultaneously acquire audio;
detecting the collected audio, and judging whether the audio contains human voice;
when a certain audio acquisition device detects human voice within a period of time, evaluating the acquisition quality of the audio acquisition device; and
and comparing the acquisition quality of all the audio acquisition equipment, and selecting the audio acquisition equipment with the highest acquisition quality.
2. The preferred method of audio capture device of claim 1, further comprising:
comparing the selected audio acquisition equipment with the highest acquisition quality with the currently used audio acquisition equipment, and if the selected audio acquisition equipment and the currently used audio acquisition equipment are the same equipment, ending the operation; otherwise, prompt information is fed back to the user through the user interface, and the audio acquisition equipment with the highest acquisition quality is recommended.
3. The preferred method of audio capture device of claim 1, wherein simultaneously audio capturing for multiple audio capture devices in the same scene comprises:
and after the terminal joins the conference or the audio acquisition equipment changes are detected in the conference and a plurality of acquisition equipment exist, audio acquisition is carried out.
4. The preferred method of audio capture device of claim 1, wherein evaluating the capture quality of the audio capture device comprises:
determining the values of various evaluation indexes of the collection quality, wherein the evaluation indexes comprise: whether voice, voice volume and background noise are collected or not, whether echo is collected or not and the size of the echo; and
and calculating the acquisition quality according to the evaluation indexes and the weight values of the evaluation indexes.
5. A preferred system of audio capturing devices, the preferred system comprising a plurality of audio capturing devices in a same scene, the preferred system comprising:
the system comprises a plurality of audio acquisition modules, a plurality of audio acquisition modules and a plurality of audio processing modules, wherein each audio acquisition module is coupled with one audio acquisition device and is used for acquiring audio;
each audio detection module is coupled with one audio acquisition module and used for detecting audio and judging whether the audio contains human voice;
each acquisition quality calculation module is coupled with one audio detection module and used for evaluating the acquisition quality of the audio acquisition equipment after the audio detection module detects human voice for a period of time; and
And the optimization module is coupled with each acquisition quality calculation module and is used for comparing the acquisition quality of all the audio acquisition equipment and selecting the audio acquisition equipment with the highest acquisition quality.
6. The system of claim 5, wherein the preferred system further comprises:
the feedback module is coupled with the optimal module and used for comparing the selected audio acquisition equipment with the highest acquisition quality with the currently used audio acquisition equipment, and if the selected audio acquisition equipment and the currently used audio acquisition equipment are the same equipment, ending the operation; otherwise, prompt information is fed back to the user through the user interface, and the audio acquisition equipment with the highest acquisition quality is recommended.
7. The system of claim 5, wherein the preferred system further comprises:
the initial detection module is coupled with the plurality of audio acquisition modules, and informs the plurality of audio acquisition modules to acquire audio simultaneously after the terminal joins the conference or the audio acquisition equipment changes and the plurality of audio acquisition equipment exists in the conference.
8. The system of claim 5, wherein the acquisition quality calculation module comprises:
The audio playing module is used for detecting echo;
an evaluation index value determination module, coupled to the audio playing module and the audio detection module, configured to determine values of evaluation indexes of the acquisition quality, where the evaluation indexes include: whether voice, voice volume and background noise are collected or not, whether echo is collected or not and the size of the echo; and
and the calculating module is coupled with the evaluation index value determining module and used for calculating the acquisition quality according to the evaluation indexes and the weight values of the evaluation indexes.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium is adapted to perform the preferred method of an audio acquisition device according to any of claims 1 to 4.
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