CN104254086A - Voice MOS testing loop-back recording and playing method and system - Google Patents
Voice MOS testing loop-back recording and playing method and system Download PDFInfo
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- CN104254086A CN104254086A CN201310264396.6A CN201310264396A CN104254086A CN 104254086 A CN104254086 A CN 104254086A CN 201310264396 A CN201310264396 A CN 201310264396A CN 104254086 A CN104254086 A CN 104254086A
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012372 quality testing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013441 quality evaluation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses a voice MOS testing loop-back recording and playing method and system. The system comprises a calling mobile phone terminal, a called mobile phone terminal, a first MOS audio head and a second MOS audio head. The first MOS audio head is connected to the calling mobile phone terminal. The second MOS audio head is connected to the called mobile phone terminal. The calling mobile phone terminal and the called mobile phone terminal are connected through a wireless communication network. The calling mobile phone terminal calls the called mobile phone terminal, the called mobile phone terminal receives the call automatically, voice communication is built between the calling mobile phone terminal and the called mobile phone terminal, the calling mobile phone terminal transmits voice to the called mobile phone terminal through the first MOS audio head, the called mobile phone terminal records and saves the voice, and the called mobile phone terminal calculates voice quality MOS grades according to the recorded voice and a standard algorithm. By the system, efficient and automatic recording and playing testing is achieved, automatic playing and receiving of voice quality testing are achieved, testing cost is saved, and testing efficiency is increased.
Description
Technical field
The present invention relates to voice automatic recording playback field tests, particularly relate to a kind of voice MOS and test winding record/playback method and system.
Background technology
Current speech business is one of applied business of the most main flow of mobile communication, along with the progress of network technology and the universal of mobile phone, the requirement of client to the voice call quality of service network also improves constantly, and the quality of voice quality directly affects the selection of user for operator.Therefore, according to the requirement of mobile communications network service quality, set up a set of voice quality objective evaluating method, better quantitative analysis and assessment are carried out to voice-over-net service quality, just progressively become the key issue that Mobile Network Operator must be considered in network optimization process.
Voice MOS (Mean Opinion Score, mean subjective mark) uses to obtain the most a kind of subjective assessment method at present, and scoring scope is 1 to 5 points:
(1) 5 point (excellent), does not discover distortion;
(2) 4 points (good), Gangcha County's feel distortion, but do not dislike;
(3) 3 points (in), discover distortion, disagreeable a little;
(4) 2 points (poor), disagreeable, but not offensive;
(5) 1 points (bad), extremely disagreeable, offensive.
In prior art, voice quality evaluation method is: PC connects professional DSP sound card equipment, the earphone cord of mobile phone external is received on described DSP sound card, described DSP sound card record/playback is controlled by PC control software design, mobile phone microphone is imported into by earphone cord by needing the specific sound play, sound again by the loop automatic recording mobile phone of Mike is heard, realizes automatic record/playback test process with this.
In prior art, voice quality evaluation method has following defect:
1. need PC to load DSP sound card equipment, the extra PC equipment increasing heaviness, cannot be applied to the portable application scenes such as walking test;
2. use audio playback equipment to be professional DSP sound card, its to the handling property of audio and the sound card of mobile phone terminal own inconsistent, there is deviation in the test result of record/playback effect, cannot accurate representation user actual perceived;
3. the design principle of mobile phone communication is after foundation call, by microphone or earphone, one's voice in speech is passed to the other side to listen, the other side can only receive by receiver or earphone the sound heard, but this process can only manually be carried out, and cannot meet the process of the automatic broadcasting of voice quality test and auto-pickup.
Summary of the invention
The object of the present invention is to provide a kind of voice MOS that can realize efficient record/playback test process automatically to test winding record/playback method and system, thus solve the foregoing problems existed in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of voice MOS tests winding record/playback method, comprises the following steps:
S1, the external MOS audio head of caller mobile phone terminal, the external 2nd MOS audio head of called mobile phone terminal, caller mobile phone terminal dials called mobile phone terminal, called mobile phone terminal auto-pickup, set up voice call between described caller mobile phone terminal and described called mobile phone terminal, described caller mobile phone terminal and described called mobile phone terminal all carry out the preparation being sent sound by cordless communication network rotation to the other side;
S2, described caller mobile phone terminal utilizes the sound card of mobile phone self by mobile phone speaker playing standard sample audio;
S3, a described MOS audio head is by the described master sample sound of broadcasting from loud speaker winding to microphone, and winding is transferred to described called mobile phone terminal by cordless communication network automatically to the sound of described microphone;
S4, the described master sample sound that the described caller mobile phone terminal that described called mobile phone terminal receives cordless communication network transmission and comes is play, record and be stored in described called mobile phone terminal, described called mobile phone terminal is according to the described sound recorded, and establishing criteria algorithm calculates voice quality MOS scoring;
S5, described called mobile phone terminal utilizes the sound card of mobile phone self by mobile phone speaker playing standard sample audio;
S6, described 2nd MOS audio head is by the master sample sound of broadcasting from loud speaker winding to microphone, and winding is transferred to described caller mobile phone terminal by cordless communication network automatically to the sound of described microphone;
S7, the described master sample sound that the described called mobile phone terminal that described caller mobile phone terminal receives cordless communication network transmission and comes is play, record and be stored in described caller mobile phone terminal, described caller mobile phone terminal is according to the described sound recorded, and establishing criteria algorithm calculates voice quality MOS scoring;
S8, circulation performs S2-S7, until this speaking test terminates.
Preferably, described caller mobile phone terminal is connected with a described MOS audio head outside, and described called mobile phone terminal is connected with described 2nd MOS audio head outside.
Preferably, a described MOS audio head and described 2nd MOS audio head are identical equipment, are all built-in with loopback circuit.
Preferably, a described MOS audio head and described 2nd MOS audio head are identical equipment, are all built-in with the circuit that can shield background noise and eliminate echo.
Preferably, a described MOS audio head and described 2nd MOS audio head are identical equipment, all be connected with described mobile phone terminal by the standard earphone interface on described mobile phone terminal, the sound play by described mobile phone terminal is by the loopback circuit structure of described MOS audio head, be input to microphone interface from speaker interface, realize the internal loopback input of sound.
Preferably, described mobile phone terminal can record the sound being masked background noise by described MOS audio head and eliminated after echo.
A kind of voice MOS tests winding reproducer system, comprise caller mobile phone terminal, called mobile phone terminal, a MOS audio head and the 2nd MOS audio head, a described MOS audio head is connected on described caller mobile phone terminal, described 2nd MOS audio head is connected in described called mobile phone terminal, and described caller mobile phone terminal is connected by cordless communication network with described called mobile phone terminal; A described MOS audio head and described 2nd MOS audio head are identical equipment.
Preferably, a described MOS audio head is connected with described caller mobile phone terminal by the standard earphone interface on described caller mobile phone terminal, and described 2nd MOS audio head is connected with described called mobile phone terminal by the standard earphone interface in described called mobile phone terminal.
Preferably, a described MOS audio head and described 2nd MOS audio head are identical equipment, and its inside is provided with sound winding/gain circuitry and noise/echo screened circuit.
Preferably, a described MOS audio head comprises microphone interface, every straight-through alternating current appearance, speaker interface, microphone shields resistance, transformer and at least one GND are made an uproar in audio frequency isolation filter.
The invention has the beneficial effects as follows:
Voice MOS of the present invention tests winding record/playback method and system and is mainly applicable to voice conversation quality objective evaluating, the sector applications such as harmless automatic playback.A kind of voice MOS is used to test winding record/playback technology, efficient record/playback test process automatically can be realized, thus truly meet the process of the automatic broadcasting of voice quality test and auto-pickup, greatly improve the actual perceived of user, save testing cost, improve testing efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation that voice MOS of the present invention tests winding reproducer system;
Fig. 2 is the electrical block diagram of MOS audio head of the present invention;
Wherein: 1---microphone interface; 2---holds every straight-through alternating current; 3---speaker interface; 4---microphone shielding resistance; 5---audio frequency isolation filter is made an uproar transformer; 6---GND; 7---GND; 8---caller mobile phone terminal; 9---called mobile phone terminal; 10---the one MOS audio head; 11---the 2nd MOS audio head.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention discloses a kind of voice MOS and test winding record/playback method, it is characterized in that, comprise the following steps:
S1, the external MOS audio head of caller mobile phone terminal, the external 2nd MOS audio head of called mobile phone terminal, caller mobile phone terminal dials called mobile phone terminal, called mobile phone terminal auto-pickup, set up voice call between described caller mobile phone terminal and described called mobile phone terminal, described caller mobile phone terminal and described called mobile phone terminal all carry out the preparation being sent sound by cordless communication network rotation to the other side;
S2, described caller mobile phone terminal utilizes the sound card of mobile phone self by mobile phone speaker playing standard sample audio;
S3, a described MOS audio head is by the described master sample sound of broadcasting from loud speaker winding to microphone, and winding is transferred to described called mobile phone terminal by cordless communication network automatically to the sound of described microphone;
S4, the described master sample sound that the described caller mobile phone terminal that described called mobile phone terminal receives cordless communication network transmission and comes is play, record and be stored in described called mobile phone terminal, described called mobile phone terminal is according to the described sound recorded, and establishing criteria algorithm calculates voice quality MOS scoring;
S5, described called mobile phone terminal utilizes the sound card of mobile phone self by mobile phone speaker playing standard sample audio;
S6, described 2nd MOS audio head is by the master sample sound of broadcasting from loud speaker winding to microphone, and winding is transferred to described caller mobile phone terminal by cordless communication network automatically to the sound of described microphone;
S7, the described master sample sound that the described called mobile phone terminal that described caller mobile phone terminal receives cordless communication network transmission and comes is play, record and be stored in described caller mobile phone terminal, described caller mobile phone terminal is according to the described sound recorded, and establishing criteria algorithm calculates voice quality MOS scoring;
S8, circulation performs S2-S7, until this speaking test terminates.
Described caller mobile phone terminal is connected with a described MOS audio head outside, and described called mobile phone terminal is connected with described 2nd MOS audio head outside.A described MOS audio head and described 2nd MOS audio head are identical equipment, are all built-in with loopback circuit.A described MOS audio head and described 2nd MOS audio head are identical equipment, are all built-in with the circuit that can shield background noise and eliminate echo.A described MOS audio head and described 2nd MOS audio head are identical equipment, all be connected with described mobile phone terminal by the standard earphone interface on described mobile phone terminal, the sound play by described mobile phone terminal is by the loopback circuit structure of described MOS audio head, be input to microphone interface from speaker interface, realize the internal loopback input of sound.Described mobile phone terminal can record the sound being masked background noise by described MOS audio head and eliminated after echo.
As shown in Figure 1, the invention also discloses a kind of voice MOS and test winding reproducer system, comprise caller mobile phone terminal, called mobile phone terminal, a MOS audio head and the 2nd MOS audio head, a described MOS audio head is connected on described caller mobile phone terminal, described 2nd MOS audio head is connected in described called mobile phone terminal, and described caller mobile phone terminal is connected by cordless communication network with described called mobile phone terminal; A described MOS audio head and described 2nd MOS audio head are identical equipment.
A described MOS audio head is connected with described caller mobile phone terminal by the standard earphone interface on described caller mobile phone terminal, and described 2nd MOS audio head is connected with described called mobile phone terminal by the standard earphone interface in described called mobile phone terminal.A described MOS audio head and described 2nd MOS audio head are identical equipment, and its inside is provided with sound winding/gain circuitry and noise/echo screened circuit.
As shown in Figure 2, MOS audio head of the present invention comprises microphone interface, every straight-through alternating current appearance, speaker interface, microphone shields resistance, transformer and at least one GND are made an uproar in audio frequency isolation filter.Thus effectively masked background noise and eliminated echo.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows:
Voice MOS of the present invention tests winding record/playback method and system and is mainly applicable to voice conversation quality objective evaluating, the sector applications such as harmless automatic playback.A kind of voice MOS is used to test winding record/playback technology, efficient record/playback test process automatically can be realized, thus truly meet the process of the automatic broadcasting of voice quality test and auto-pickup, greatly improve the actual perceived of user, save testing cost, improve testing efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (10)
1. voice MOS tests a winding record/playback method, it is characterized in that, comprises the following steps:
S1, the external MOS audio head of caller mobile phone terminal, the external 2nd MOS audio head of called mobile phone terminal, caller mobile phone terminal dials called mobile phone terminal, called mobile phone terminal auto-pickup, set up voice call between described caller mobile phone terminal and described called mobile phone terminal, described caller mobile phone terminal and described called mobile phone terminal all carry out the preparation being sent sound by cordless communication network rotation to the other side;
S2, described caller mobile phone terminal utilizes the sound card of mobile phone self by mobile phone speaker playing standard sample audio;
S3, a described MOS audio head is by the described master sample sound of broadcasting from loud speaker winding to microphone, and winding is transferred to described called mobile phone terminal by cordless communication network automatically to the sound of described microphone;
S4, the described master sample sound that the described caller mobile phone terminal that described called mobile phone terminal receives cordless communication network transmission and comes is play, record and be stored in described called mobile phone terminal, described called mobile phone terminal is according to the described sound recorded, and establishing criteria algorithm calculates voice quality MOS scoring;
S5, described called mobile phone terminal utilizes the sound card of mobile phone self by mobile phone speaker playing standard sample audio;
S6, described 2nd MOS audio head is by the master sample sound of broadcasting from loud speaker winding to microphone, and winding is transferred to described caller mobile phone terminal by cordless communication network automatically to the sound of described microphone;
S7, the described master sample sound that the described called mobile phone terminal that described caller mobile phone terminal receives cordless communication network transmission and comes is play, record and be stored in described caller mobile phone terminal, described caller mobile phone terminal is according to the described sound recorded, and establishing criteria algorithm calculates voice quality MOS scoring;
S8, circulation performs S2-S7, until this speaking test terminates.
2. voice MOS according to claim 1 tests winding record/playback method, it is characterized in that, described caller mobile phone terminal is connected with a described MOS audio head outside, and described called mobile phone terminal is connected with described 2nd MOS audio head outside.
3. test winding record/playback method according to the arbitrary described voice MOS of claim 1 or 2, it is characterized in that, a described MOS audio head and described 2nd MOS audio head are identical equipment, are all built-in with loopback circuit.
4. test winding record/playback method according to the arbitrary described voice MOS of claim 1 or 2, it is characterized in that, a described MOS audio head and described 2nd MOS audio head are identical equipment, are all built-in with the circuit that can shield background noise and eliminate echo.
5. test winding record/playback method according to the arbitrary described voice MOS of claim 1 or 2, it is characterized in that, a described MOS audio head and described 2nd MOS audio head are identical equipment, all be connected with described mobile phone terminal by the standard earphone interface on described mobile phone terminal, the sound play by described mobile phone terminal is by the loopback circuit structure of described MOS audio head, be input to microphone interface from speaker interface, realize the internal loopback input of sound.
6. test winding record/playback method according to the arbitrary described voice MOS of claim 1 or 2, it is characterized in that, described mobile phone terminal can record the sound being masked background noise by described MOS audio head and eliminated after echo.
7. a voice MOS tests winding reproducer system, it is characterized in that, comprise caller mobile phone terminal, called mobile phone terminal, a MOS audio head and the 2nd MOS audio head, a described MOS audio head is connected on described caller mobile phone terminal, described 2nd MOS audio head is connected in described called mobile phone terminal, and described caller mobile phone terminal is connected by cordless communication network with described called mobile phone terminal; A described MOS audio head and described 2nd MOS audio head are identical equipment.
8. voice MOS according to claim 7 tests winding reproducer system, it is characterized in that, a described MOS audio head is connected with described caller mobile phone terminal by the standard earphone interface on described caller mobile phone terminal, and described 2nd MOS audio head is connected with described called mobile phone terminal by the standard earphone interface in described called mobile phone terminal.
9. voice MOS according to claim 7 tests winding reproducer system, and it is characterized in that, a described MOS audio head and described 2nd MOS audio head are identical equipment, and its inside is provided with sound winding/gain circuitry and noise/echo screened circuit.
10. test winding reproducer system according to the arbitrary described voice MOS of claim 7-9, it is characterized in that, a described MOS audio head comprises microphone interface, every straight-through alternating current appearance, speaker interface, microphone shields resistance, transformer and at least one GND are made an uproar in audio frequency isolation filter.
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| CN201310264396.6A CN104254086B (en) | 2013-06-27 | 2013-06-27 | A kind of voice MOS tests winding record/playback method and system |
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| CN201310264396.6A CN104254086B (en) | 2013-06-27 | 2013-06-27 | A kind of voice MOS tests winding record/playback method and system |
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| CN108259653A (en) * | 2016-12-28 | 2018-07-06 | 中国移动通信有限公司研究院 | A kind of tone testing method and device, system |
| CN109600697A (en) * | 2018-10-15 | 2019-04-09 | 珠海格力电器股份有限公司 | Method and device for determining terminal play quality |
| CN110300211A (en) * | 2019-05-17 | 2019-10-01 | 合肥移瑞通信技术有限公司 | A kind of test method and system of automatic detection uplink and downlink voice |
| CN111614842A (en) * | 2020-05-14 | 2020-09-01 | 杭州当虹科技股份有限公司 | PESQ-based objective voice communication quality evaluation method |
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