CN101067571A - Acoustic automatic gaining effect testing method and system - Google Patents
Acoustic automatic gaining effect testing method and system Download PDFInfo
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- CN101067571A CN101067571A CN 200710109425 CN200710109425A CN101067571A CN 101067571 A CN101067571 A CN 101067571A CN 200710109425 CN200710109425 CN 200710109425 CN 200710109425 A CN200710109425 A CN 200710109425A CN 101067571 A CN101067571 A CN 101067571A
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Abstract
The invention discloses an acoustic auto-gain effect testing method and system, and the method comprises the steps of: collecting multiple different audio frequencies; synthesizing different audio frequencies into audio test file; on the condition that two communication terminals intercommunicate, starting sound auto-gain function, and using the audio test file as input audio to obtain output audio; and comparing the waveforms of the input and output audios to test the auto-gain enlargement multiple. And the invention can completely and effectively test the sound auto-gain effect in system communication course.
Description
Technical field
The present invention relates to the acoustic automatic gaining test of communication apparatus, relate in particular to the sound automatic gaining effect test that in relevant devices such as for example video conference system, produces.
Background technology
Present video conference system, generally be divided into special line system and IP system, use different communication framework agreements respectively, but which kind of system no matter all needs to adapt to the different situations of meeting-place size and speaker's distance, automatic gain is exactly the radio reception amount that can regulate microphone automatically, make the participant receive certain audio volume level, in the time of can not changing because of the distance of spokesman and microphone, the shortcoming that sound is suddenly big or suddenly small.
A very long time, the test of sound all is the subjective feeling that relies on the people, brought a lot of uncertainties also objective inadequately like this, and because the on-the-spot complexity that system uses is various, the subjective testing of user experience formula is also always comprehensive inadequately, cause the variation repeatedly of test result like this, can't provide the data that allow the people convince after test is finished, also can't propose effectively suggestion the improvement of system.Now, we are starved of and grope the quantitative method of testing of a cover, and the deviation of artificial sensation objectively responds the product quality present situation during with the elimination subjective testing, estimates and contrasts so that can improve the sound automatic gaining effect accurately.
At the problems referred to above,, need provide a kind of effective means in order to realize that the sound automatic gaining effect is controlled effectively.
Summary of the invention
The present invention proposes a kind of acoustic automatic gaining effect testing method and system.
According to an aspect of the present invention, provide a kind of acoustic automatic gaining effect testing method, this method may further comprise the steps: gather a plurality of different audio frequency; Different audio frequency is synthesized the audio-frequency test file; Under the situation of two communicating terminal intercommunications, start sound automatic gain function, the audio-frequency test file as the input audio frequency, is obtained output audio; And the waveform of the waveform of output audio and input audio frequency compared with the test auto-gain enlargement multiple.
The collection of audio file realizes by recorded voice, and different audio frequency comprises following any or its combination: the sound of the sound of different people, the sound of different volumes and varying environment background.
Auto-gain enlargement multiple is to obtain by the magnitude determinations of importing audio frequency and output audio.
The synthetic of audio-frequency test file realized by following steps: select one or more audio frequency and continue one or more audio frequency from a plurality of audio frequency; Through after the very first time section on one or more audio frequency stack be different from other one or more audio frequency of one or more audio frequency; And, cancel other the audio-frequency test file of one or more audio frequency to obtain synthesizing again through after second time period, wherein, the amplitude of one or more audio frequency is different from the amplitude of other one or more audio frequency.
The synthetic of audio-frequency test file realized by following steps: select first audio frequency and continue first audio frequency from a plurality of audio frequency; Through second audio frequency that on first audio frequency, superposes after the very first time section; And, cancel the audio-frequency test file of second audio frequency to obtain synthesizing again through after second time period, wherein, the amplitude of first audio frequency is different from the amplitude of second audio frequency.
Wherein, auto-gain enlargement multiple is calculated by following formula:
Wherein, H1 is the amplitude of second audio frequency of input, and h1 is the amplitude of first audio frequency of input, and H2 is the amplitude of second audio frequency of output, and h2 is the amplitude of first audio frequency of output.
According to another aspect of the present invention, provide a kind of acoustic automatic gaining effect test macro, having comprised: collecting unit is used to gather a plurality of different audio frequency; Synthesis unit is used at least two audio frequency of a plurality of different audio frequency are synthesized the audio-frequency test file; The output acquiring unit is used under the situation of two communicating terminal intercommunications, starts sound automatic gain function, and the audio-frequency test file as the input audio frequency, is obtained output audio; And the compare test unit, be used for the waveform of output audio and the waveform of input audio frequency are compared with the test auto-gain enlargement multiple.
Wherein, collecting unit is a recording device.Synthesis unit comprises: select to keep module, be used for selecting first audio frequency and continuing first audio frequency from a plurality of audio frequency; Laminating module is used for second audio frequency that superposes on first audio frequency after process very first time section; And synthesis module, be used for again cancelling the audio-frequency test file of second audio frequency to obtain synthesizing through after second time period, wherein, the amplitude of first audio frequency is different from the amplitude of second audio frequency.
The compare test unit comprises computing module, is used for the magnitude determinations auto-gain enlargement multiple by input audio frequency and output audio.
The present invention is the method for the automatic gain treatment effect of speech communication equipment being carried out systematic survey, after the test by this method, can estimate the automatic gain processing horizontal of speech communication equipment objective and accurately, it comprises the making in different high low signals source, the input of signal, step is recorded and relatively waited to output signal, this method at first needs to gather representational sound signal, on the signal of gathering, adopt needed signal in the synthetic this method of certain algorithm then, synthetic signal is imported as near-end, catch the sound signal of far-end output, this signal promptly is the audio frequency effect after the equipment automatic gain is handled, and then output signal and input signal is compared the effect that just can weigh the automatic gain processing.
The present invention can test sound automatic gaining effect in the system communication process fully and effectively, and can simulate different user's environments for use easily by software, the actual test environment that does not need to build the user can be finished, and test result can be objective, change can not appear in conclusion, provides effective foundation for the sound automatic gain of system improves.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the instructions of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram that illustrates according to acoustic automatic gaining effect testing method of the present invention;
Fig. 2 is the block diagram that illustrates according to acoustic automatic gaining effect test macro of the present invention;
Fig. 3 is the synthetic input audio-source synoptic diagram that an embodiment of basic invention is shown;
Fig. 4 illustrates output audio synoptic diagram according to an embodiment of the invention;
Fig. 5 is the acoustic automatic gaining effect testing method process flow diagram that illustrates according to another embodiment of the present invention;
Fig. 6 is the execution Test Networking structural drawing that illustrates according to another embodiment of the present invention; And
Fig. 7 is the actual testing audio oscillogram that illustrates according to another embodiment of the present invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 is the process flow diagram that illustrates according to acoustic automatic gaining effect testing method of the present invention.With reference to Fig. 1, acoustic automatic gaining effect testing method according to the present invention may further comprise the steps: step S102, gather a plurality of different audio frequency; Step S104 synthesizes the audio-frequency test file with different audio frequency; Step S106 under the situation of two communicating terminal intercommunications, starts sound automatic gain function, and the audio-frequency test file as the input audio frequency, is obtained output audio; And step S108, the waveform of output audio and the waveform of input audio frequency are compared with the test auto-gain enlargement multiple.
Wherein, the collection of audio file realizes by recorded voice, different audio frequency comprises following any or its combination: the sound of the sound of different people, the sound of different volumes and varying environment background, and auto-gain enlargement multiple is that magnitude determinations by input audio frequency and output audio obtains.
Step S104 realizes by following steps: select one or more audio frequency and continue one or more audio frequency from a plurality of audio frequency; Through after the very first time section on one or more audio frequency stack be different from other one or more audio frequency of one or more audio frequency; And, cancel other the audio-frequency test file of one or more audio frequency to obtain synthesizing again through after second time period, wherein, the amplitude of one or more audio frequency is different from the amplitude of other one or more audio frequency.
Step S104 realizes by following steps: select first audio frequency and continue first audio frequency from a plurality of audio frequency; Through second audio frequency that on first audio frequency, superposes after the very first time section; And, cancel the audio-frequency test file of second audio frequency to obtain synthesizing again through after second time period, wherein, the amplitude of first audio frequency is different from the amplitude of second audio frequency.
Wherein, auto-gain enlargement multiple is calculated by following formula:
Wherein, H1 is the amplitude of second audio frequency of input, and h1 is the amplitude of first audio frequency of input, and H2 is the amplitude of second audio frequency of output, and h2 is the amplitude (as shown in Figure 3 and Figure 4) of first audio frequency of output.
Fig. 2 is the block diagram that illustrates according to acoustic automatic gaining effect test macro of the present invention.With reference to Fig. 2, acoustic automatic gaining effect test macro 200 according to the present invention comprises: collecting unit 202 is used to gather a plurality of different audio frequency; Synthesis unit 204 is used at least two audio frequency of a plurality of different audio frequency are synthesized the audio-frequency test file; Output acquiring unit 206 is used under the situation of two communicating terminal intercommunications, starts sound automatic gain function, and the audio-frequency test file as the input audio frequency, is obtained output audio; And compare test unit 208, be used for the waveform of output audio and the waveform of input audio frequency are compared with the test auto-gain enlargement multiple.
Collecting unit 202 is recording devices.Synthesis unit 204 comprises: select to keep module 204-2, be used for selecting first audio frequency and continuing first audio frequency from a plurality of audio frequency; Laminating module 204-4 is used for second audio frequency that superposes on first audio frequency after process very first time section; And synthesis module 204-6, be used for again cancelling the audio-frequency test file of second audio frequency to obtain synthesizing through after second time period, wherein, the amplitude of first audio frequency is different from the amplitude of second audio frequency.
Compare test unit 208 comprises computing module, is used for the magnitude determinations auto-gain enlargement multiple by input audio frequency and output audio.
Describe an alternative embodiment of the invention in detail below in conjunction with Fig. 5～Fig. 7.
Fig. 5 is the acoustic automatic gaining effect testing method process flow diagram that illustrates according to another embodiment of the present invention.With reference to Fig. 5, carry out networking in the mode shown in Fig. 6 in the present embodiment, the concrete enforcement of this embodiment may further comprise the steps:
Step S502 records representational audio-source file;
Step S504, according to the audio file of recording, synthetic corresponding test wave audio source file;
Step S506 under two communication apparatus intercommunication situations, enables sound automatic gain function, will test the wave audio source file and be input to the near-end input end; And
Step S508 records far-end output sound waveform, and the wave audio file of test wave audio file and the output of input is contrasted, and just can quantitative test goes out the effect of sound automatic gain.
Wherein, step S502 gathers the audio-source file of different user; Step S504 generates corresponding test wave audio file; Step S506 will test wave audio file input near-end; And step S508 will export and input compares the effect (see figure 7) of quantitative test sound automatic gain.
By implementing the present invention, can do many-sided integration test to the sound automatic gain, can edit the file of sound size arbitrarily and according to circumstances simulate all kinds of acoustic environments, thereby do not need to re-use the actual environment analog subscriber, this programme only need use common computer and audio edited software promptly can carry out, it is low to have cost, carries out simple advantage.This programme test result is reliable, can be for improvement effect relatively.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (12)
1. an acoustic automatic gaining effect testing method is characterized in that, may further comprise the steps:
Gather a plurality of different audio frequency;
Described different audio frequency is synthesized the audio-frequency test file;
Under the situation of two communicating terminal intercommunications, start sound automatic gain function, described audio-frequency test file as the input audio frequency, is obtained output audio; And
The waveform of described output audio and the waveform of described input audio frequency are compared with the test auto-gain enlargement multiple.
2. acoustic automatic gaining effect testing method according to claim 1 is characterized in that the collection of described audio file realizes by recorded voice.
3. acoustic automatic gaining effect testing method according to claim 1 is characterized in that, described different audio frequency comprises following any or its combination: the sound of the sound of different people, the sound of different volumes and varying environment background.
4. acoustic automatic gaining effect testing method according to claim 1 is characterized in that, described auto-gain enlargement multiple is that the magnitude determinations by described input audio frequency and described output audio obtains.
5. acoustic automatic gaining effect testing method according to claim 1 is characterized in that, the synthetic of described audio-frequency test file realized by following steps:
From described a plurality of audio frequency, select one or more audio frequency and continue described one or more audio frequency;
Through after the very first time section on described one or more audio frequency stack be different from other one or more audio frequency of described one or more audio frequency; And
Again through after second time period, cancel described other the described audio-frequency test file of one or more audio frequency to obtain synthesizing,
Wherein, the amplitude of described one or more audio frequency is different from described other the amplitude of one or more audio frequency.
6. acoustic automatic gaining effect testing method according to claim 1 is characterized in that, the synthetic of described audio-frequency test file realized by following steps:
From described a plurality of audio frequency, select first audio frequency and continue described first audio frequency;
Through described second audio frequency that on described first audio frequency, superposes after the very first time section; And
Through after second time period, cancel the described audio-frequency test file of described second audio frequency again to obtain synthesizing,
Wherein, the amplitude of described first audio frequency is different from the amplitude of described second audio frequency.
7. acoustic automatic gaining effect testing method according to claim 6 is characterized in that, described auto-gain enlargement multiple is calculated by following formula:
8. an acoustic automatic gaining effect test macro is characterized in that, comprising:
Collecting unit is used to gather a plurality of different audio frequency;
Synthesis unit is used at least two audio frequency of described a plurality of different audio frequency are synthesized the audio-frequency test file;
The output acquiring unit is used under the situation of two communicating terminal intercommunications, starts sound automatic gain function, and described audio-frequency test file as the input audio frequency, is obtained output audio; And
The compare test unit is used for the waveform of described output audio and the waveform of described input audio frequency are compared with the test auto-gain enlargement multiple.
9. acoustic automatic gaining effect test macro according to claim 8 is characterized in that described collecting unit is a recording device.
10. acoustic automatic gaining effect test macro according to claim 8 is characterized in that, described a plurality of different audio frequency comprise following any or its combination: the sound of the sound of different people, the sound of different volumes and varying environment background.
11. acoustic automatic gaining effect test macro according to claim 8 is characterized in that, described synthesis unit comprises:
Select to keep module, be used for selecting first audio frequency and continuing described first audio frequency from described a plurality of audio frequency;
Laminating module is used for described second audio frequency that superposes on described first audio frequency after process very first time section; And
Synthesis module is used for cancelling the described audio-frequency test file of described second audio frequency to obtain synthesizing through after second time period again,
Wherein, the amplitude of described first audio frequency is different from the amplitude of described second audio frequency.
12. acoustic automatic gaining effect test macro according to claim 11 is characterized in that, described compare test unit comprises computing module, is used for by the described auto-gain enlargement multiple of the magnitude determinations of described input audio frequency and described output audio.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247622B (en) * | 2008-03-03 | 2011-07-20 | 中兴通讯股份有限公司 | Testing method and device of audio communication system |
| CN106504747A (en) * | 2016-09-23 | 2017-03-15 | 深圳凡豆信息科技有限公司 | Under mobile environment based on the double MIC of isomery speech recognition Adaptable System method |
| CN106569773A (en) * | 2016-10-31 | 2017-04-19 | 努比亚技术有限公司 | Terminal and voice interaction processing method |
| CN107566618A (en) * | 2017-08-18 | 2018-01-09 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN112652327A (en) * | 2019-10-10 | 2021-04-13 | 北京新能源汽车股份有限公司 | Method and device for testing adaptation effect of audio channel and automobile |
-
2007
- 2007-06-18 CN CNB2007101094256A patent/CN100516788C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247622B (en) * | 2008-03-03 | 2011-07-20 | 中兴通讯股份有限公司 | Testing method and device of audio communication system |
| CN106504747A (en) * | 2016-09-23 | 2017-03-15 | 深圳凡豆信息科技有限公司 | Under mobile environment based on the double MIC of isomery speech recognition Adaptable System method |
| CN106569773A (en) * | 2016-10-31 | 2017-04-19 | 努比亚技术有限公司 | Terminal and voice interaction processing method |
| CN107566618A (en) * | 2017-08-18 | 2018-01-09 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN107566618B (en) * | 2017-08-18 | 2021-01-22 | Oppo广东移动通信有限公司 | Volume adjusting method and device, terminal equipment and storage medium |
| CN112652327A (en) * | 2019-10-10 | 2021-04-13 | 北京新能源汽车股份有限公司 | Method and device for testing adaptation effect of audio channel and automobile |
| CN112652327B (en) * | 2019-10-10 | 2023-04-25 | 北京新能源汽车股份有限公司 | Audio channel adaptation effect testing method and device and automobile |
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| CN100516788C (en) | 2009-07-22 |
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