CN103517287B - Method of testing, system and the tone testing server of end-to-end double-directional speech quality - Google Patents
Method of testing, system and the tone testing server of end-to-end double-directional speech quality Download PDFInfo
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- CN103517287B CN103517287B CN201210201755.9A CN201210201755A CN103517287B CN 103517287 B CN103517287 B CN 103517287B CN 201210201755 A CN201210201755 A CN 201210201755A CN 103517287 B CN103517287 B CN 103517287B
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Abstract
The present invention provides a kind of method of testing, system and the tone testing server of end-to-end double-directional speech quality, and wherein method of testing includes：When call subscriber terminal transmits default media stream file to called user terminal, voice quality test server obtains the first network condition information that the call subscriber terminal is sent, and the first network condition information represents the network condition of voice channel of the call subscriber terminal to the called user terminal；When the default media stream file received is looped back to the call subscriber terminal by the called user terminal, institute's Voice Quality test server obtains the second network condition information that the called user terminal is sent, the second network condition information represents the network condition of voice channel of the called user terminal to the call subscriber terminal, so as to obtain end-to-end bilateral network parameter.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of IMS（The more matchmakers of IP Multimedia Subsystem, IP
Body subsystem）The method of testing of end-to-end double-directional speech quality, system and tone testing server in network.
Background technology
IMS architectural frameworks enhance the controllable and manageability to being flowed based on IP, represent the development trend of network.IMS
The network such as introducing and access, carrying, control, business, support each aspect it is related, while also to terminal transformation, the hair in broadband
Exhibition strategy, operation mode are brought challenges, therefore each operator is selected in which need to suit measures to local conditions according to demand.It is one to realize fusion
Individual long-term target, the factor being related to are a lot.IMS is the possibility that integration technology is provided in network and service layer, but
Also need to conscientiously study its feasibility, economy, complexity and manageability.
Because IMS bearer networks are based on IP group technologys, but the stability of IP Metropolitan Area Network (MAN)s is in time delay, packet loss and shake side
VoIP voice qualities can not be effectively ensured in face.Although IETF（Internet Engineering Task Force, internet work
Journey task groups）Having formulated influences several key indexs of IP network voice quality（Time delay, packet loss and shake）RTCP（RTP
Control Protocol, RTP Control Protocol）Standard.
But according to RTCP standards can not accurate judgement converse double-directional speech quality because initial RTCP marks
Quasi- regulation call folk prescription is only capable of gathering opposite end to the network parameter of local terminal.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of method of testing, the system of end-to-end double-directional speech quality
And tone testing server, so as to obtain end-to-end bilateral network parameter.
In order to achieve the above object, the present invention provides a kind of method of testing of end-to-end double-directional speech quality, is carrying out language
When sound quality is tested, the method for testing includes：
When call subscriber terminal transmits default media stream file to called user terminal, voice quality test server obtains
The first network condition information for taking the call subscriber terminal to send, the first network condition information represent the calling subscribe
Network condition of the terminal to the voice channel of the called user terminal；
The default media stream file received is looped back into the call subscriber terminal in the called user terminal
When, the second network condition information of institute's Voice Quality test server acquisition called user terminal transmission, described second
Network condition information represents the network condition of voice channel of the called user terminal to the call subscriber terminal.
Preferably, the method for testing also includes：
Institute's Voice Quality test server obtains according to the first network condition information and the second network condition information
The end-to-end two-way network condition information of this call between the call subscriber terminal and the called user terminal.
Preferably, after whole loopback media stream files being received in the call subscriber terminal, the method for testing is also
Including：
Institute's Voice Quality test server receives the loopback media stream file that the call subscriber terminal uploads；
Institute's Voice Quality test server according to the loopback media stream file and the default media stream file received,
Obtain the voice quality MOS mean opinion score values of this call between the call subscriber terminal and called user terminal.
Preferably, after the voice quality MOS values of this call are obtained, the method for testing also includes：
Institute's Voice Quality test server is according to the end-to-end two-way network condition information and this described call
Voice quality MOS values, the trouble point for determining to cause this voice quality conversed to reduce.
Preferably, between institute's Voice Quality test server and the call subscriber terminal and the called user terminal
Maintain default heartbeat mechanism.
Preferably, when voice quality tests beginning, the method for testing also includes：
Institute's Voice Quality test server sends tone testing order, the calling subscribe to the call subscriber terminal
Terminal establishes calling connection according to the tone testing order and the called user terminal；
After calling connection foundation, the voice channel that institute's Voice Quality test server connects to bearing call carries out language
Sound quality is tested.
In order to achieve the above object, the present invention also provides a kind of voice quality test server, including：
First acquisition module, for when call subscriber terminal transmits default media stream file to called user terminal, obtaining
The first network condition information for taking the call subscriber terminal to send, the first network condition information represent the calling subscribe
The network condition for the voice channel that terminal connects to the bearing call of the called user terminal；
Second acquisition module, for looping back to the default media stream file received in the called user terminal
During the call subscriber terminal, the second network condition information that the called user terminal is sent is obtained, described second is network-like
Condition information represents the network-like of the voice channel that the bearing call of the called user terminal to the call subscriber terminal connects
Condition.
Preferably, institute's Voice Quality test server also includes：
First processing module, for according to the first network condition information and the second network condition information, obtaining described
The end-to-end two-way network condition information of this of call subscriber terminal and the called user terminal call.
Preferably, institute's Voice Quality test server also includes：
Receiving module, the loopback media stream file uploaded for receiving the call subscriber terminal；
Second processing module, the loopback media stream file and the default media stream file received for basis,
Obtain the voice quality MOS mean opinion score values of this call between call subscriber terminal and called user terminal.
Preferably, institute's Voice Quality test server also includes：
3rd processing module, for according to the end-to-end two-way network condition information and the voice that this is conversed
Mass M OS values, determine the trouble point that the voice quality for causing this to converse reduces.
Preferably, between institute's Voice Quality test server and the call subscriber terminal and the called user terminal
Maintain default heartbeat mechanism.
Preferably, institute's Voice Quality test server also includes：
Tone testing module, for sending tone testing order, the call subscriber terminal to the call subscriber terminal
Calling connection is established according to the tone testing order and the called user terminal；After calling connection foundation, carrying is exhaled
The voice channel of connection is made to carry out voice quality test.
In order to achieve the above object, the present invention also provides a kind of test system of end-to-end double-directional speech quality, including：
Tone testing server and at least two user terminals as described above, wherein the tone testing service
Device is connected with the user terminal respectively.
As shown from the above technical solution, embodiments of the invention have the advantages that：First, in call subscriber terminal
When transmitting default media stream file to called user terminal, voice quality test server obtain that call subscriber terminal sends the
One network condition information, wherein first network condition information represent that the bearing call of call subscriber terminal to called user terminal connects
The network condition of the voice channel connect；The default media stream file received is looped back into calling subscribe's end in called user terminal
During end, voice quality test server obtains the second network condition information that called user terminal is sent, the second network condition letter
Breath represents the network condition for the voice channel that the bearing call of called user terminal to the call subscriber terminal connects, so as to
The situation of end-to-end bilateral network quality is enough obtained, conventional art is overcome and is only capable of gathering opposite end to the network quality shape of local terminal
The deficiency of condition；
Secondly, the loopback media stream file that the called user terminal received is sent is uploaded to voice by call subscriber terminal
Quality test server, it is calculated by voice quality test server according to loopback media stream file and default media stream file
The voice quality MOS of this call（Mean Opinion Score, mean opinion score）Value, voice quality test server energy
It is enough to be called according to the voice quality MOS values of this call with the comparing result of end-to-end bilateral network quality condition, tentative diagnosis
End equipment is with the presence or absence of failures such as user's plate noises.
Again, voice quality test server can obtain the network condition of managed network, can be with when network is deteriorated
Operation maintenance personnel is notified by modes such as alarms in time.
Brief description of the drawings
Fig. 1 represents the method for testing flow chart of end-to-end double-directional speech quality in embodiments of the invention；
Fig. 2 represents the timing diagram of the method for testing of end-to-end double-directional speech quality in embodiments of the invention；
Fig. 3 represents the structured flowchart of voice quality test server in embodiments of the invention；
Fig. 4 represents the structure chart of the test system of end-to-end double-directional speech quality in embodiments of the invention.
Embodiment
In an embodiment of the present invention, when call subscriber terminal transmits default media stream file to called user terminal,
Voice quality test server obtains the first network condition information that call subscriber terminal is sent, wherein first network condition information
Represent the network condition for the voice channel that the bearing call of call subscriber terminal to called user terminal connects；It is whole in called subscriber
When the default media stream file received is looped back to call subscriber terminal by end, voice quality test server obtains called subscriber
The second network condition information that terminal is sent, the second network condition information represent called user terminal to the call subscriber terminal
Bearing call connection voice channel network condition.
To make the purpose of the embodiment of the present invention, technical scheme and advantage are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in embodiments of the invention is clearly and completely described, it is clear that described embodiment
It is the part of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Referring to Fig. 1, for the method for testing flow chart of end-to-end double-directional speech quality in embodiments of the invention, specific steps
It is as follows：
Step 101, voice quality test server send tone testing order to call subscriber terminal；
In an embodiment of the present invention, after call subscriber terminal receives tone testing order, call subscriber terminal according to
Tone testing order establishes calling connection with called user terminal, wherein carries called user terminal in the tone testing order
Address information.
In an embodiment of the present invention, call subscriber terminal and called user terminal be in addition to voice call capability,
Also it is provided simultaneously with the ability of voice quality test.The voice quality test server is used to control user terminal to initiate to lead to voice
Voice quality test, the analysis in road cause the voice that voice quality reduces, and determine the specific section for causing voice quality to reduce
Point or path.
In an embodiment of the present invention, due to voice quality test server（Such as IADMS, integrated access equipment management
System）Need actively to initiate voice quality test, it is necessary between the caller/called user terminal and voice quality test server
Ensure that at least one passage can use.When caller/called user terminal is placed on fire wall/NAT（Network Address
Translation, network address translation）When below, need to set between caller/called user terminal and voice quality test server
Fire wall/NAT is put to penetrate and keepalive mechanism, such as voice quality test server and call subscriber terminal and called user terminal
Between maintain default heartbeat mechanism.
Step 102, calling connection foundation after, the voice channel that voice quality test server connects to bearing call enters
Row voice quality is tested.
Voice quality test server is responsible for interacting with user, and user can initiate end-to-end double-directional speech matter manually
Measure examination, can also customized task batch initiate end-to-end double-directional speech quality test.
Step 103, when call subscriber terminal transmits default media stream file to called user terminal, voice quality test
Server obtains the first network condition information that call subscriber terminal is sent；
Such as：After call subscriber terminal and called user terminal call are established, call subscriber terminal is to called user terminal
A default recording file is played, in communication process, call subscriber terminal is periodically by the call subscriber terminal of collection to called
The network condition of user terminal is sent to the content bag of voice quality test server, wherein RTCP messages with RTCP message formats
Include：Time delay, packet loss and flap-statistics.
In an embodiment of the present invention, the first network condition information represents call subscriber terminal to called user terminal
The network condition of the voice channel of bearing call connection, the first network condition information can use the form of RTCP messages, including：
Time delay, packet loss and flap-statistics etc..
In an embodiment of the present invention, call subscriber terminal receives the tone testing order of voice quality test server
Afterwards, initiate to call from trend called user terminal, the calling carries the privately owned parameter of SIP from head fields, for called subscriber
Terminal indicates voice quality test calling during the calling.
Step 104, when the default media stream file received is looped back to call subscriber terminal by called user terminal, language
Sound quality test server obtains the second network condition information that called user terminal is sent；
In an embodiment of the present invention, the second network condition information represents called user terminal to call subscriber terminal
The network condition of the voice channel of bearing call connection, the second network condition information can use the form of RTCP messages, including：
Time delay, packet loss and flap-statistics etc.；After calling connection is established, called user terminal judges that this calling connection is voice
When quality test calls, the default media stream file received can be looped back to caller by loopback passage and used by called user terminal
Family terminal, such as pass through TG equipment（Trunking）E1 loopbacks or IAD equipment（Integrated access equipment）SLIC interface loopbacks.
Loopback passage is the voice channel between called user terminal and call subscriber terminal, and presentation medium stream file is from master
Make user terminal transmit to called user terminal, but from called user terminal be back to call subscriber terminal from ring passage,
In an embodiment of the present invention, the default media stream file received from sendaisle can be looped back to hair again by called user terminal
Passage is sent, loopback media stream file is looped back into call subscriber terminal using sendaisle, can be just by using identical passage
In the comparative analysis for subsequently carrying out voice quality.
Step 105, voice quality test server obtain according to first network condition information and the second network condition information
The end-to-end two-way network condition information of this of call subscriber terminal and called user terminal call.
In an embodiment of the present invention, voice quality test server is according to the first network condition information received and second
Network condition information is entered row information and collected, such as collects network delay, packet loss and wobble information, to assess network quality.
Step 106, after receiving whole loopback media stream files in call subscriber terminal, voice quality test server
Receive the loopback media stream file that call subscriber terminal uploads；
In an embodiment of the present invention, call subscriber terminal preserves the loopback media stream file received into predetermined format
Audio file（Such as WAV forms）.After call stops, call subscriber terminal uploads the sound to voice quality test server
Frequency file.
Step 107, voice quality test server according to the loopback media stream file and default media stream file received,
Obtain the voice quality MOS values of this call between call subscriber terminal and called user terminal.
In an embodiment of the present invention, objective speech quality assessment can be used（Perceptual Evaluation of
Speech Quality, abbreviation PESQ）Method, its test to voice can be right respectively by existing tester or software
Raw tone（Default media stream file）With the voice for having decline after system is handled（Loopback media stream file）Contrasted
And it is achieved.
In another embodiment of the invention, to ensure that it is accurate that voice quality MOS values calculate, call subscriber terminal plays matchmaker
One section of DTMF is inserted before body stream file（Dual-Tone Multifrequency, dual-tone multifrequency）Sound, broadcasting are inserted into after terminating
One section of dtmf tone, and do not include above-mentioned dtmf tone in the broadcasting media stream file for ensureing to play.Call subscriber terminal receives ring
Return media stream file after excision call start dtmf tone and end of conversation when dtmf tone so that preserve loopback Media Stream
File ensures consistent with the default media stream file content played.
The loopback media stream file received is uploaded to by voice quality test server by call subscriber terminal, by voice
Quality test server calculates the voice quality MOS values of this call, can effectively save the operation money of call subscriber terminal
Source.
Step 108, voice quality test server are according to end-to-end two-way network condition information and this language conversed
Sound quality MOS values, determine the trouble point that the voice quality for causing this to converse reduces.
Voice quality test server starts to calculate the voice quality MOS of this call after receiving loopback media stream file
Value, while analyzes this secondary half-session opposite end bilateral network situation, if it find that Network Abnormal or unit exception, then by result to accuse
The form such as alert is pushed to user.
Voice quality test server is gone back for the influence situation of calculating network time delay, shake and packet loss to voice quality
Need to know the compensation deals ability that call subscriber terminal and called user terminal fluctuate above-mentioned network parameter, these information exist
User terminal is tested in registration packet to voice quality and carried.
ITUT requires to VoIP business to network QoS, such as delay is less than 150ms end to end, and delay jitter is less than
30ms, packet loss are less than in the case of 1%, it is ensured that the service quality of speech business, otherwise voice quality will decline.
If the decline numerical value of voice quality caused by network quality and the decline numerical value of speech quality MOS values want small very
It is more, then it can tentatively judge that the subscribers' line part of called user terminal has problem.If network quality index is not substantially disliked
During the situation of deterioration difference, voice quality is substantially reduced, and above-mentioned conclusion can be drawn by repeatedly statistics.
Although procedures described above flow includes the multiple operations occurred with particular order, but it should be clearly understood that
These processes can include more or less operations, and these operations can sequentially be performed or performed parallel（Such as using parallel
Processor or multi-thread environment）.
As shown from the above technical solution, embodiments of the invention have the advantages that：First, in call subscriber terminal
When transmitting default media stream file to called user terminal, voice quality test server obtain that call subscriber terminal sends the
One network condition information, wherein first network condition information represent that the bearing call of call subscriber terminal to called user terminal connects
The network condition of the voice channel connect；The default media stream file received is looped back into calling subscribe's end in called user terminal
During end, voice quality test server obtains the second network condition information that called user terminal is sent, the second network condition letter
Breath represents the network condition for the voice channel that the bearing call of called user terminal to the call subscriber terminal connects, so as to
The situation of end-to-end bilateral network quality is enough obtained, conventional art is overcome and is only capable of gathering opposite end to the network quality shape of local terminal
The deficiency of condition；
Secondly, the loopback media stream file that the called user terminal received is sent is uploaded to voice by call subscriber terminal
Quality test server, it is calculated by voice quality test server according to loopback media stream file and default media stream file
End-to-end voice quality MOS（Mean Opinion Score, mean opinion score）, voice quality test server being capable of root
According to end-to-end voice quality MOS and the comparing result of end-to-end bilateral network quality condition, tentative diagnosis, which is called end equipment, is
It is no the failures such as user's plate noise to be present.
Again, voice quality test server can obtain the network condition of managed network, can be with when network is deteriorated
Operation maintenance personnel is notified by modes such as alarms in time.
Referring to Fig. 2, for the timing diagram of the method for testing of end-to-end double-directional speech quality in embodiments of the invention, this implementation
Example with voice quality test server indicate call subscriber terminal to called user terminal initiate call, call subscriber terminal and by
Exemplified by crying user terminal respectively to the voice channel progress voice quality test of foundation, voice quality test server is controlled and led
The detailed process for making user terminal initiate to call and voice quality is tested is described.As shown in Fig. 2 the method for the present embodiment
Specifically comprise the following steps：
Step 1, voice quality test server send tone testing order to call subscriber terminal；
Initiated in the present embodiment, between call subscriber terminal and called user terminal and establish calling connection, voice is led to
Road carried out in the test process of voice quality under the control of voice quality test server.Voice quality test clothes
Business device can correspond to multiple user terminals in communication system, and the tone testing of multiple user terminals to each other is collected simultaneously
Middle monitoring.
Specifically, can be according to the actual conditions and language of corresponding multiple user terminals in voice quality test server
Sound testing requirement, order, time and the concrete mode for initiating each user terminal voice calls test mutually to each other are carried out
Advance configuration.Based on the information that this is pre-configured with, time that voice quality test server can specify in configuration information,
Default tone testing order is sent to specified voice terminal, so as to indicate the beginning of this time test calling.
Further, when the voice channel for needing to test is more, tone testing server can also be by with confidence
Time, the cycle tested each road voice are reasonably distributed in breath, carries out the language to each voice terminal to each other in an orderly manner
The voice quality test of sound passage.
In the present embodiment, tone testing life is sent to call subscriber terminal according to configuration information with tone testing server
Order, instruction call subscriber terminal initiate to call to called user terminal, and carry out voice quality test to the voice channel of foundation
Exemplified by, the voice quality method of testing of the embodiment of the present invention is described.Specifically, the voice that tone testing server is sent
It can carry in test command and refer to for indicating that call subscriber terminal is called and carried out the correlation of voice quality test operation
Show information, such as identification information of called user terminal etc..According to the identification information of the called user terminal, call subscriber terminal
It can learn and this time initiate calling and carry out the opposite end of tone testing, so as to can be carried out under being indicated in tone testing order
Corresponding operation.
Of course, it should be understood that in an embodiment of the present invention, according to the demand of reality, it is handed down to call subscriber terminal
Tone testing order can also include more information, carry out related operation for instruction call subscriber terminal, so as to
Calling procedure and voice quality test process to call subscriber terminal are better controlled, and embodiments of the invention are not
To this progress concrete restriction.
Step 2, call subscriber terminal are initiated to call, and establish connection to called user terminal；
It is, after call subscriber terminal is according to the tone testing order received, according to the tone testing order
The identification information of the called user terminal of middle carrying, calling is initiated to specified called user terminal, and built after initiating the call
The vertical calling connection with called user terminal.
Step 3, call subscriber terminal send default media stream file to called user terminal；
It is, after establishing the calling connection between call subscriber terminal and called user terminal, call subscriber terminal
The assessment test of voice quality will be carried out to the voice channel of foundation respectively with called user terminal, and respectively by each self-test
Voice quality class information returns to voice quality test server and carries out test analysis.
The default media stream file received is looped back to call subscriber terminal by step 4 ~ step 5, called user terminal；
As shown in figure 4, it can be set to TG（Trunking）The E1 interfaces loopback or IAD of equipment（Summation access device）Equipment
SLIC interface loopbacks.
Step 6, call subscriber terminal send call subscriber terminal to the language of called user terminal to tone testing server
The first network condition information of sound passage；
Step 7, called user terminal send called user terminal to the language of call subscriber terminal to tone testing server
Second network condition information of sound passage；
After step 8, default media stream file finish playing, call subscriber terminal is sent to called user terminal stops call
Message；
The loopback media stream file received is uploaded to tone testing server by step 9, call subscriber terminal；
Step 10, voice quality test server calculate the voice quality MOS mean opinion score values of this call；
Voice quality test server obtains according to the loopback media stream file and the default media stream file that receive
The voice quality MOS mean opinion score values of this call between the call subscriber terminal and called user terminal.
Referring to Fig. 3, for the structured flowchart of voice quality test server in embodiments of the invention, voice quality test
Server includes：
First acquisition module 31, for when call subscriber terminal transmits default media stream file to called user terminal,
The first network condition information that the call subscriber terminal is sent is obtained, the first network condition information represents that the caller is used
The network condition for the voice channel that family terminal connects to the bearing call of the called user terminal；
Second acquisition module 32, for the default media stream file loopback that will be received in the called user terminal
During to the call subscriber terminal, the second network condition information that the called user terminal is sent, second network are obtained
Condition information represents the network for the voice channel that the bearing call of the called user terminal to the call subscriber terminal connects
Situation.
In another embodiment of the invention, voice quality test server also includes：
First processing module 33, for according to the first network condition information and the second network condition information, obtaining institute
State the end-to-end two-way network condition information of this call of call subscriber terminal and the called user terminal.
In another embodiment of the invention, voice quality test server also includes：
Receiving module 34, receive the loopback media stream file that the call subscriber terminal uploads；
Second processing module 35, for according to the loopback media stream file and the default media stream file received, obtaining
To the voice quality MOS values of this call between call subscriber terminal and called user terminal.
In another embodiment of the invention, voice quality test server also includes：
3rd processing module, for according to the end-to-end two-way network condition information and the voice that this is conversed
Mass M OS values, determine the trouble point that the voice quality for causing this to converse reduces.
In another embodiment of the invention, voice quality test server and the call subscriber terminal and described called
Default heartbeat mechanism is maintained between user terminal.
In another embodiment of the invention, institute's Voice Quality test server also includes：
Tone testing module, for sending tone testing order, the call subscriber terminal to the call subscriber terminal
Calling connection is established according to the tone testing order and the called user terminal；After calling connection foundation, carrying is exhaled
The voice channel of connection is made to carry out voice quality test.
, should for the structural representation of the test system of end-to-end double-directional speech quality in embodiments of the invention referring to Fig. 4
Test system includes：Tone testing server 41 and at least two user terminals 42,43 as described above, wherein voice are surveyed
Examination server 41 is connected with user terminal 42,43 respectively.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- A kind of 1. method of testing of end-to-end double-directional speech quality, when carrying out voice quality test, it is characterised in that the survey Method for testing includes：When call subscriber terminal transmits default media stream file to called user terminal, voice quality test server obtains institute The first network condition information of call subscriber terminal transmission is stated, the first network condition information represents the call subscriber terminal To the network condition of the voice channel of the called user terminal；When the default media stream file received is looped back to the call subscriber terminal by the called user terminal, institute Voice Quality test server obtains the second network condition information that the called user terminal is sent, and described second is network-like Condition information represents the network condition of voice channel of the called user terminal to the call subscriber terminal；The method of testing also includes：Institute's Voice Quality test server obtains described according to the first network condition information and the second network condition information The end-to-end two-way network condition information of this call between call subscriber terminal and the called user terminal；After whole loopback media stream files is received in the call subscriber terminal, the method for testing also includes：Institute's Voice Quality test server receives the loopback media stream file that the call subscriber terminal uploads；Institute's Voice Quality test server obtains according to the loopback media stream file and the default media stream file that receive The voice quality MOS mean opinion score values of this call between the call subscriber terminal and called user terminal.
- 2. the method for testing of end-to-end double-directional speech quality according to claim 1, it is characterised in that logical obtaining this After the voice quality MOS values of words, the method for testing also includes：Institute's Voice Quality test server is according to the end-to-end two-way network condition information and the language that this is conversed Sound quality MOS values, determine the trouble point that the voice quality for causing this to converse reduces.
- 3. the method for testing of end-to-end double-directional speech quality according to claim 1, it is characterised in that institute's Voice Quality Default heartbeat mechanism is maintained between test server and the call subscriber terminal and the called user terminal.
- 4. the method for testing of end-to-end double-directional speech quality according to claim 1, it is characterised in that surveyed in voice quality When runin is begun, the method for testing also includes：Institute's Voice Quality test server sends tone testing order, the call subscriber terminal to the call subscriber terminal Calling connection is established according to the tone testing order and the called user terminal；After calling connection foundation, the voice channel that institute's Voice Quality test server connects to bearing call carries out voice matter Measure examination.
- A kind of 5. voice quality test server, it is characterised in that including：First acquisition module, for when call subscriber terminal transmits default media stream file to called user terminal, obtaining institute The first network condition information of call subscriber terminal transmission is stated, the first network condition information represents the call subscriber terminal The network condition of the voice channel connected to the bearing call of the called user terminal；Second acquisition module, it is described for looping back to the default media stream file received in the called user terminal During call subscriber terminal, the second network condition information that the called user terminal is sent, the second network condition letter are obtained Breath represents the network condition for the voice channel that the bearing call of the called user terminal to the call subscriber terminal connects；Institute's Voice Quality test server also includes：First processing module, for according to the first network condition information and the second network condition information, obtaining the caller The end-to-end two-way network condition information of this of user terminal and the called user terminal call；Institute's Voice Quality test server also includes：Receiving module, the loopback media stream file uploaded for receiving the call subscriber terminal；Second processing module, for according to the loopback media stream file and the default media stream file received, obtaining The voice quality MOS mean opinion score values of this call between call subscriber terminal and called user terminal.
- 6. voice quality test server according to claim 5, it is characterised in that institute's Voice Quality test server Also include：3rd processing module, for according to the end-to-end two-way network condition information and the voice quality that this is conversed MOS values, determine the trouble point that the voice quality for causing this to converse reduces.
- 7. voice quality test server according to claim 5, it is characterised in that institute's Voice Quality test server Default heartbeat mechanism is maintained between the call subscriber terminal and the called user terminal.
- 8. voice quality test server according to claim 5, it is characterised in that institute's Voice Quality test server Also include：Tone testing module, for the call subscriber terminal send tone testing order, the call subscriber terminal according to The tone testing order establishes calling connection with the called user terminal；After calling connection foundation, bearing call is connected The voice channel connect carries out voice quality test.
- A kind of 9. test system of end-to-end double-directional speech quality, it is characterised in that including：Tone testing server and at least two user terminals as described in claim 5~8 is any, wherein the voice Test server is connected with the user terminal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201755.9A CN103517287B (en) | 2012-06-18 | 2012-06-18 | Method of testing, system and the tone testing server of end-to-end double-directional speech quality |
Applications Claiming Priority (1)
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| CN102075988A (en) * | 2009-11-24 | 2011-05-25 | 中国移动通信集团浙江有限公司 | System and method for locating end-to-end voice quality fault in mobile communication network |
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| CN101521898A (en) * | 2009-01-07 | 2009-09-02 | 陕西三太科技实业有限公司 | Speech quality evaluation system of mobile communication network |
| CN101534353B (en) * | 2009-03-31 | 2012-01-04 | 华为技术有限公司 | Wireless network vocal quality measuring method and terminal thereof |
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| CN101754259A (en) * | 2009-12-08 | 2010-06-23 | 三维通信股份有限公司 | System and method for auto-dial testing GSM (global system for mobile communications) voice quality |
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