CN103581934A - Terminal voice quality evaluation method and terminal - Google Patents
Terminal voice quality evaluation method and terminal Download PDFInfo
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- CN103581934A CN103581934A CN201210251058.4A CN201210251058A CN103581934A CN 103581934 A CN103581934 A CN 103581934A CN 201210251058 A CN201210251058 A CN 201210251058A CN 103581934 A CN103581934 A CN 103581934A
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Abstract
The invention provides a terminal voice quality evaluation method and a terminal. The method comprises the following steps: the terminal acquires an original standard voice source signal according to a voice quality type to be evaluated; the terminal processes the original standard voice source signal according to the voice quality type to be evaluated; and the terminal imports the original standard voice source signal and the processed original standard voice source signal into a PESQ algorithm and evaluates voice quality according to the algorithm. The voice quality types include terminal uplink voice quality, terminal downlink voice quality and terminal voice channel voice quality. According to the invention, independent and simple terminal voice quality evaluation by the terminal is realized.
Description
Technical field
The present invention relates to speech quality evaluation field, relate in particular to a kind of terminal speech quality assessment method and terminal.
Background technology
Along with the lifting of user's request, nowadays the quality of terminal voice quality receives increasing concern.
The appraisal procedure of existing terminal voice quality is mainly divided into subjectivity and objectivity two classes.
Subjective evaluation is mainly by special voice assessment panel, the voice quality of call to be evaluated, up, descending, the two voice quality of saying of terminal, generally by ten a few to tens of professional assessment compositions of personnel, is listened under different mode, environment by speech quality evaluation group by professional assessment personnel.The speech performance of terminal under each pattern, environment first provides assessment result by each appraiser, then each assessment result is averaged to score (mean opinion score, MOS), obtains the final speech performance of terminal under this pattern, environment.Subjective evaluation method is affected greatly by appraiser's subjective factor, and because assessment panel number is many, assessed cost is high.
Objective evaluation is generally all used special equipment to assess, as shown in Figure 1.When the downlink voice quality of assessment terminal, by equipment such as MUSE or ACQUA, by audio connecting cord, send voice to CMU200, then CMU200 sends voice to terminal by radio frequency signal, terminal arrives voice transfer the equipment such as MUSE or ACQUA again by artitificial ear after receiving voice signal, by equipment such as MUSE or ACQUA, carry out relevant algorithm the voice signal receiving from terminal and the voice that are sent to terminal are contrasted, obtain MOS value.When the uplink speech quality of assessment terminal, the equipment such as MUSE or ACQUA sends voice to artificial mouth by audio connecting cord, artificial mouth sends to terminal MIC by voice signal, terminal sends voice to CMU200 by radio frequency signal, CMU200 is transferred to the equipment such as MUSE or ACQUA after receiving voice signal by audio connecting cord, by equipment such as MUSE or ACQUA, carry out relevant algorithm the voice signal receiving from terminal and the voice that are sent to terminal are contrasted, obtain MOS value.Subjective evaluation method need to be used Special Equipment, and Special Equipment is expensive.
Visible, existing to still there is no a kind of applicable terminal use's independent operation and appraisal procedure easy to use in the assessment of terminal voice.
Summary of the invention
The invention provides a kind of terminal speech quality assessment method and terminal, to solve the technical problem that how to realize applicable terminal use's independent operation and assessment terminal voice quality easy to use.
For solving the problems of the technologies described above, the invention provides a kind of terminal speech quality assessment method, described method comprises:
Terminal is obtained source standard pronunciation source signal according to voice quality type to be assessed;
Terminal is processed this source standard pronunciation source signal according to voice quality type to be assessed;
Terminal imports subjective speech quality assessment (PESQ) algorithm by described source standard pronunciation source signal and treated source standard pronunciation source signal, by this algorithm, voice quality is assessed;
Described voice quality type comprises: the voice quality of terminal uplink speech quality, terminal downlink voice quality and terminal voice channel.
Further, if described voice quality type to be assessed is terminal uplink speech quality, described method comprises:
Terminal is obtained source standard pronunciation source signal from self memory;
Transmission processing before terminal carries out sending by network to described source standard pronunciation source signal;
Terminal imports PESQ by the source standard pronunciation source signal of described source standard pronunciation source signal and process transmission processing, by this algorithm, carries out uplink speech quality assessment.
Further, if described voice quality type to be assessed is terminal downlink voice quality, described method comprises:
The webserver reception sources standard pronunciation source signal of terminal from communicating with;
Terminal is carried out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Terminal imports PESQ by the source standard pronunciation source signal of described source standard pronunciation source signal and process reception & disposal, by this algorithm, carries out downlink voice quality evaluation.
Further, if described voice quality type to be assessed is the voice quality of terminal voice channel, described method comprises:
The webserver reception sources standard pronunciation source signal of terminal from communicating with;
Terminal is carried out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Terminal is to the transmission processing before carrying out again through the source standard pronunciation source signal of reception & disposal sending by network;
Terminal, by described source standard pronunciation source signal with successively through the source standard pronunciation source signal importing PESQ of reception & disposal, transmission processing, is carried out the voice quality of terminal voice channel by this algorithm.
Further, described method also comprises:
Terminal imports described source standard pronunciation source signal and treated source standard pronunciation source signal before described PESQ algorithm, and terminal is carried out time alignment to described source standard pronunciation source signal and treated source standard pronunciation source signal.
For solving the problems of the technologies described above, the present invention also provides a kind of terminal of assessing terminal voice quality, and described terminal comprises acquisition module, processing module and evaluation module, wherein,
Described acquisition module, for obtaining source standard pronunciation source signal according to voice quality type to be assessed, is sent to described processing module and evaluation module by described source standard pronunciation source signal; Described voice quality type comprises: the voice quality of terminal uplink speech quality, terminal downlink voice quality and terminal voice channel;
Described processing module, for described source standard pronunciation source signal being processed according to voice quality type to be assessed, is sent to described evaluation module by treated source standard pronunciation source signal;
Described evaluation module, for described source standard pronunciation source signal and treated source standard pronunciation source signal are imported to subjective speech quality assessment (PESQ) algorithm, assesses voice quality by this algorithm.
Further, if described voice quality type to be assessed is terminal uplink speech quality, described terminal comprises:
Described acquisition module, for obtaining source standard pronunciation source signal from self memory;
Described processing module, for the transmission processing before described source standard pronunciation source signal being carried out send by network;
Described evaluation module, for the source standard pronunciation source signal of described source standard pronunciation source signal and process transmission processing is imported to PESQ, carries out uplink speech quality assessment by this algorithm.
Further, if described voice quality type to be assessed is terminal downlink voice quality, described terminal comprises:
Described acquisition module, for the webserver reception sources standard pronunciation source signal from communicating with;
Described processing module, for carrying out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Described evaluation module, for the source standard pronunciation source signal of described source standard pronunciation source signal and process reception & disposal is imported to PESQ, carries out downlink voice quality evaluation by this algorithm.
Further, if described voice quality type to be assessed is the voice quality of terminal voice channel, described terminal comprises:
Described acquisition module, for the webserver reception sources standard pronunciation source signal from communicating with;
Described processing module, for described source standard pronunciation source signal is carried out to the reception & disposal before electro-acoustic element sounding, and to the transmission processing before carrying out again through the source standard pronunciation source signal of reception & disposal sending by network;
Described evaluation module, for by described source standard pronunciation source signal with successively through the source standard pronunciation source signal importing PESQ of reception & disposal, transmission processing, carries out the voice quality of terminal voice channel by this algorithm.
Further, described evaluation module, also, for described source standard pronunciation source signal and treated source standard pronunciation source signal are imported before described PESQ algorithm, carries out time alignment to described source standard pronunciation source signal and treated source standard pronunciation source signal.
Technique scheme can be completed voluntarily by terminal, has saved and has participated in the professional of speech quality evaluation and the expense of special assessment apparatus; When simplifying evaluation process, also guaranteed the objectivity that assessed value is obtained.
Accompanying drawing explanation
Fig. 1 is the system composition diagram of prior art objective evaluation terminal voice quality;
Fig. 2 is the terminal speech quality assessment method flow chart of the present embodiment;
Fig. 3 carries out the method flow diagram of uplink speech quality assessment to terminal in this application example;
Fig. 4 carries out the method flow diagram of downlink voice quality evaluation to terminal in this application example;
Fig. 5 carries out the method flow diagram of the speech quality evaluation of terminal voice channel to terminal in this application example;
Fig. 6 is that the terminal of the assessment terminal voice quality of the present embodiment forms module map.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Fig. 2 is the terminal speech quality assessment method flow chart of the present embodiment.
S201 terminal is obtained source standard pronunciation source signal according to voice quality type to be assessed;
Described terminal sound-type can comprise: the voice quality of terminal uplink speech quality, terminal downlink voice quality and terminal voice channel;
S202 terminal is processed this source standard pronunciation source signal according to voice quality type to be assessed;
S203 terminal imports subjective speech quality assessment (PESQ) algorithm by described source standard pronunciation source signal and treated source standard pronunciation source signal, by this algorithm, voice quality is assessed.
In above-described embodiment, terminal imports described source standard pronunciation source signal and treated source standard pronunciation source signal before described PESQ algorithm, also can carry out time alignment to described source standard pronunciation source signal and treated source standard pronunciation source signal, to guarantee the assessed for performance of PESQ algorithm.
Above-mentioned assessed value can directly be presented at terminal can screen on.
With terminal, carry out up, descending and holophrase sound quality respectively below and be evaluated as example, above-described embodiment is further described.
Fig. 3 carries out the method flow diagram of uplink speech quality assessment to terminal in this application example.
S301 terminal call server, sets up call with server;
Transmission processing before S302 terminal carries out sending to described server to the standard pronunciation source signal (source standard pronunciation source signal) of storage;
S303 terminal is sent to described server by the standard pronunciation source signal through transmission processing;
S304 end of conversation, the source standard pronunciation source signal that terminal is adjusted source standard pronunciation source signal and process transmission processing is aimed at the two in time, and the source standard pronunciation source signal of the source standard pronunciation source signal of aiming on the time and process transmission processing is imported to PESQ algorithm, draw terminal uplink speech quality assessed value;
Above-mentioned terminal can utilize the standard pronunciation source signal of existing technological adjustment storage time calibration and the standard pronunciation source signal of process transmission processing that the two is aimed in time, is not repeated herein.
If the impact to further assessment transmission network on voice signal, server can send to terminal again by the standard pronunciation source signal of process the transmission processing receiving, by terminal by the standard pronunciation source signal of process the transmission processing from server and self the standard pronunciation source signal importing PESQ algorithm to the process transmission processing of server transmission.
In this application example, the result by PESQ algorithm evaluation all can directly show on mobile phone display screen.
Fig. 4 carries out the method flow diagram of downlink voice quality evaluation to terminal in this application example.
S401 terminal call server, sets up call with server;
S402 server sends standard pronunciation source signal to terminal;
S403 terminal receives the standard pronunciation source signal (source standard pronunciation source signal) from server;
S404 terminal is carried out reception & disposal to the standard pronunciation source signal from server;
S405 terminal is exported the standard pronunciation source signal from server through reception & disposal through electro-acoustic element sounding;
S406 end of conversation, terminal is adjusted the source standard pronunciation source signal of source standard pronunciation source signal and process reception & disposal, the two is aimed in time, and the source standard pronunciation source signal of the source standard pronunciation source signal of aiming on the time and process reception & disposal is imported to PESQ algorithm, draw terminal downlink voice quality assessment value.
If the impact to further assessment transmission network on voice signal, the standard pronunciation source signal without Internet Transmission and source standard pronunciation source signal that terminal can send server import PESQ algorithm.
In this application example, the result by PESQ algorithm evaluation all can directly show on mobile phone display screen.
Fig. 5 carries out the method flow diagram of speech quality evaluation to terminal voice channel in this application example.
S501 terminal call server, sets up call with server;
S502 server sends standard pronunciation source signal to terminal;
S503 terminal receives the standard pronunciation source signal (source standard pronunciation source signal) from server;
S504 terminal is carried out reception & disposal to the standard pronunciation source signal from server;
S505 terminal is carried out transmission processing again by the standard pronunciation source signal through reception & disposal;
S506 terminal is sent to described server by the standard pronunciation source signal through transmission processing, reception & disposal;
S507 end of conversation, terminal is adjusted the source standard pronunciation source signal of source standard pronunciation source signal and process transmission processing and reception & disposal, the two is aimed in time, and upper two signals aiming at of time are imported to PESQ algorithm, draw the speech quality evaluation value of terminal voice channel.
Fig. 6 is that the terminal of the assessment terminal voice quality of the present embodiment forms module map.
This terminal comprises: acquisition module, processing module and evaluation module, wherein,
Described acquisition module, for obtaining source standard pronunciation source signal according to voice quality type to be assessed, is sent to described processing module and evaluation module by described source standard pronunciation source signal; Described voice quality type comprises: the voice quality of terminal uplink speech quality, terminal downlink voice quality and terminal voice channel;
Described processing module, for described source standard pronunciation source signal being processed according to voice quality type to be assessed, is sent to described evaluation module by treated source standard pronunciation source signal;
Described evaluation module, for described source standard pronunciation source signal and treated source standard pronunciation source signal are imported to subjective speech quality assessment (PESQ) algorithm, assesses voice quality by this algorithm.
Above-mentioned evaluation module, also, for described source standard pronunciation source signal and treated source standard pronunciation source signal are imported before described PESQ algorithm, carries out time alignment to described source standard pronunciation source signal and treated source standard pronunciation source signal.
If when voice quality type to be assessed is terminal uplink speech quality, the function of above-mentioned terminal modules is as follows:
Acquisition module, for obtaining source standard pronunciation source signal from self memory;
Processing module, for the transmission processing before described source standard pronunciation source signal being carried out send by network;
Evaluation module, for the source standard pronunciation source signal of described source standard pronunciation source signal and process transmission processing is imported to PESQ, carries out uplink speech quality assessment by this algorithm.
If when voice quality type to be assessed is terminal downlink voice quality, the function of above-mentioned terminal modules is as follows:
Acquisition module, for the webserver reception sources standard pronunciation source signal from communicating with;
Processing module, for carrying out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Evaluation module, for the source standard pronunciation source signal of described source standard pronunciation source signal and process reception & disposal is imported to PESQ, carries out downlink voice quality evaluation by this algorithm.
If voice quality type to be assessed is the voice quality of terminal voice channel, the function of above-mentioned terminal modules is as follows:
Acquisition module, for the webserver reception sources standard pronunciation source signal from communicating with;
Processing module, for described source standard pronunciation source signal is carried out to the reception & disposal before electro-acoustic element sounding, and to the transmission processing before carrying out again through the source standard pronunciation source signal of reception & disposal sending by network;
Evaluation module, for by described source standard pronunciation source signal with successively through the source standard pronunciation source signal importing PESQ of reception & disposal, transmission processing, carries out the voice quality of terminal voice channel by this algorithm.
One of ordinary skill in the art will appreciate that all or part of step in said method can come instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits, and correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
It should be noted that; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a terminal speech quality assessment method, is characterized in that, described method comprises:
Terminal is obtained source standard pronunciation source signal according to voice quality type to be assessed;
Terminal is processed this source standard pronunciation source signal according to voice quality type to be assessed;
Terminal imports subjective speech quality assessment (PESQ) algorithm by described source standard pronunciation source signal and treated source standard pronunciation source signal, by this algorithm, voice quality is assessed;
Described voice quality type comprises: the voice quality of terminal uplink speech quality, terminal downlink voice quality and terminal voice channel.
2. the method for claim 1, is characterized in that, if described voice quality type to be assessed is terminal uplink speech quality, described method further comprises:
Terminal is obtained source standard pronunciation source signal from self memory;
Transmission processing before terminal carries out sending by network to described source standard pronunciation source signal;
Terminal imports PESQ by the source standard pronunciation source signal of described source standard pronunciation source signal and process transmission processing, by this algorithm, carries out uplink speech quality assessment.
3. the method for claim 1, is characterized in that, if described voice quality type to be assessed is terminal downlink voice quality, described method further comprises:
The webserver reception sources standard pronunciation source signal of terminal from communicating with;
Terminal is carried out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Terminal imports PESQ by the source standard pronunciation source signal of described source standard pronunciation source signal and process reception & disposal, by this algorithm, carries out downlink voice quality evaluation.
4. the method for claim 1, is characterized in that, if described voice quality type to be assessed is the voice quality of terminal voice channel, described method further comprises:
The webserver reception sources standard pronunciation source signal of terminal from communicating with;
Terminal is carried out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Terminal is to the transmission processing before carrying out again through the source standard pronunciation source signal of reception & disposal sending by network;
Terminal, by described source standard pronunciation source signal with successively through the source standard pronunciation source signal importing PESQ of reception & disposal, transmission processing, is carried out the voice quality of terminal voice channel by this algorithm.
5. the method as described in claim 1～4, is characterized in that, described method also comprises:
Terminal imports described source standard pronunciation source signal and treated source standard pronunciation source signal before described PESQ algorithm, and terminal is carried out time alignment to described source standard pronunciation source signal and treated source standard pronunciation source signal.
6. a terminal of assessing terminal voice quality, is characterized in that, described terminal comprises acquisition module, processing module and evaluation module, wherein,
Described acquisition module, for obtaining source standard pronunciation source signal according to voice quality type to be assessed, is sent to described processing module and evaluation module by described source standard pronunciation source signal; Described voice quality type comprises: the voice quality of terminal uplink speech quality, terminal downlink voice quality and terminal voice channel;
Described processing module, for described source standard pronunciation source signal being processed according to voice quality type to be assessed, is sent to described evaluation module by treated source standard pronunciation source signal;
Described evaluation module, for described source standard pronunciation source signal and treated source standard pronunciation source signal are imported to subjective speech quality assessment (PESQ) algorithm, assesses voice quality by this algorithm.
7. terminal as claimed in claim 6, is characterized in that, if described voice quality type to be assessed is terminal uplink speech quality, described terminal further comprises:
Described acquisition module, for obtaining source standard pronunciation source signal from self memory;
Described processing module, for the transmission processing before described source standard pronunciation source signal being carried out send by network;
Described evaluation module, for the source standard pronunciation source signal of described source standard pronunciation source signal and process transmission processing is imported to PESQ, carries out uplink speech quality assessment by this algorithm.
8. terminal as claimed in claim 6, is characterized in that, if described voice quality type to be assessed is terminal downlink voice quality, described terminal further comprises:
Described acquisition module, for the webserver reception sources standard pronunciation source signal from communicating with;
Described processing module, for carrying out the reception & disposal before electro-acoustic element sounding to described source standard pronunciation source signal;
Described evaluation module, for the source standard pronunciation source signal of described source standard pronunciation source signal and process reception & disposal is imported to PESQ, carries out downlink voice quality evaluation by this algorithm.
9. terminal as claimed in claim 6, is characterized in that, if described voice quality type to be assessed is the voice quality of terminal voice channel, described terminal further comprises:
Described acquisition module, for the webserver reception sources standard pronunciation source signal from communicating with;
Described processing module, for described source standard pronunciation source signal is carried out to the reception & disposal before electro-acoustic element sounding, and to the transmission processing before carrying out again through the source standard pronunciation source signal of reception & disposal sending by network;
Described evaluation module, for by described source standard pronunciation source signal with successively through the source standard pronunciation source signal importing PESQ of reception & disposal, transmission processing, carries out the voice quality of terminal voice channel by this algorithm.
10. the terminal as described in claim 6～9, is characterized in that,
Described evaluation module, also, for described source standard pronunciation source signal and treated source standard pronunciation source signal are imported before described PESQ algorithm, carries out time alignment to described source standard pronunciation source signal and treated source standard pronunciation source signal.
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| CN103987067A (en) * | 2014-03-21 | 2014-08-13 | 北京理工大学 | 3G voice service quality evaluation method based on data mining |
| CN106782610A (en) * | 2016-11-15 | 2017-05-31 | 福建星网智慧科技股份有限公司 | A kind of acoustical testing method of audio conferencing |
| CN108091349A (en) * | 2016-11-23 | 2018-05-29 | 成都鼎桥通信技术有限公司 | Voice quality detecting system, method and PESQ control terminals |
| CN108401263A (en) * | 2017-02-07 | 2018-08-14 | 大唐移动通信设备有限公司 | A kind of appraisal procedure and device of voice quality |
| CN111787476A (en) * | 2020-06-12 | 2020-10-16 | Oppo广东移动通信有限公司 | Audio detection method and device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103987067A (en) * | 2014-03-21 | 2014-08-13 | 北京理工大学 | 3G voice service quality evaluation method based on data mining |
| CN103987067B (en) * | 2014-03-21 | 2017-05-10 | 北京理工大学 | 3G voice service quality evaluation method based on data mining |
| CN106782610A (en) * | 2016-11-15 | 2017-05-31 | 福建星网智慧科技股份有限公司 | A kind of acoustical testing method of audio conferencing |
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| CN108401263A (en) * | 2017-02-07 | 2018-08-14 | 大唐移动通信设备有限公司 | A kind of appraisal procedure and device of voice quality |
| CN111787476A (en) * | 2020-06-12 | 2020-10-16 | Oppo广东移动通信有限公司 | Audio detection method and device, equipment and storage medium |
| CN111787476B (en) * | 2020-06-12 | 2022-02-01 | Oppo广东移动通信有限公司 | Audio detection method and device, equipment and storage medium |
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Application publication date: 20140212 |