CN103051489A - Method and device for monitoring speech quality - Google Patents
Method and device for monitoring speech quality Download PDFInfo
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- CN103051489A CN103051489A CN2011103141309A CN201110314130A CN103051489A CN 103051489 A CN103051489 A CN 103051489A CN 2011103141309 A CN2011103141309 A CN 2011103141309A CN 201110314130 A CN201110314130 A CN 201110314130A CN 103051489 A CN103051489 A CN 103051489A
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Abstract
The invention discloses a method and a device for monitoring speech quality. The method comprises the following steps that a media gateway detects a metal oxide semiconductor (MOS) value of the speech quality in a message; judging whether the MOS value is lower than a preset warning threshold value; and carrying out the speech quality warning if the MOS value is lower than the preset warning threshold value. According to the method and the device, the speech quality is automatically monitored by detecting the MOS value of the speech quality, so that the speech quality can be accurately reflected, the maintenance personnel can find the situation that the speech quality is poor so as to process the situation in time, and the user experience can be improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of voice quality the method for monitoring and device.
Background technology
Next generation network (NGN, Next Generation Network) be a kind of take IP (Internet Protocol) as core, support full service network multimedia service, intelligence, that merge, manageable, that can run.IP network is the basis of next generation network carrying, and traditional public switch telephone network (PSTN, Public Switch Telephone Network) is realized the fusion between heterogeneous network by gateway conversion access IP network.
Along with gradually maturation and the extensive use of NGN technology, the voice quality problem of extremely not paid close attention in the PSTN network has in the past highlighted gradually.Main cause has the voice of two aspect: the one, NGN to adopt the mode of packet switching to transmit, owing to packet loss, propagation delay time and shake that the reason such as congested of the transmission error of IP network and network causes, these factors can exert an influence to the speech quality of voice; The 2nd, VoIP (Voice over IP) chip exerts an influence to the processing of voice signal, thereby affects the speech quality of voice.And the voice of PSTN adopt circuit exchange mode, take independent time slot, and voice quality is more stable.So in the NGN network, be necessary the speech quality of voice is monitored, so just can in time find the conversation that voice quality is relatively poor, and process in time, improve user satisfaction, in addition in advance with Failure elimination bud all tool be of great significance.
There is at present certain methods can monitor the packet loss of IP network, shake and time delay, thereby infers the issuable impact of voice quality.Whether these methods can only monitor IP network and can exert an influence to voice quality, but can not reflect exactly voice quality.
Whether can exert an influence to voice quality for monitoring IP network in the correlation technique, but can not reflect exactly the problem of voice matter, not yet propose at present effective solution.
Summary of the invention
Whether can exert an influence to voice quality for monitoring IP network in the correlation technique, but can not reflect exactly the problem of voice matter, the invention provides a kind of voice quality the method for monitoring and device, to address the above problem at least.
According to an aspect of the present invention, provide a kind of voice quality the method for monitoring, having comprised: the voice quality MOS in the media gateway detection messages (Mean Opinion Score, average suggestion value) value; Judge whether this MOS value is lower than default alarm threshold; If so, then carry out the voice quality alarm.
Preferably, before carrying out the voice quality alarm, comprising: the system parameters when recording above-mentioned MOS value and being lower than above-mentioned alarm threshold.
Preferably, the said system parameter comprises: system time, repeat circuit number, master chip circuit number, far-end IP address, port numbers, voice quality MOS value.
Preferably, after the system parameters when stating documentarily the MOS value and being lower than above-mentioned alarm threshold, also comprise: the data message when obtaining the MOS value and be lower than alarm threshold by packet capturing, wherein, this data message comprises time division multiplexing tdm data and IP message.
Preferably, after carrying out the voice quality alarm, also comprise: according to system parameters and the poor reason of data message location voice quality.
Preferably, above-mentioned voice quality MOS value comprises: MOS-LQ (MOS Listening Quality, listening quality desired value) and/or MOS-CQ (MOS Conversational Quality, listening quality desired value).
Preferably, call out in the situation about not stopping at this, media gateway only detects first carries out the voice quality alarm when MOS value is lower than alarm threshold.
According to a further aspect in the invention, provide a kind of voice quality monitoring device, be applied to comprise in the media gateway: detection module, for detection of the voice quality MOS value in the message; Judge module is used for judging whether the MOS value is lower than default alarm threshold; Alarm module is used for being lower than in the situation of alarm threshold in the MOS value, carries out the voice quality alarm.
Preferably, the voice quality monitoring device also comprises: logging modle, the system parameters when being lower than alarm threshold for record MOS value.
Preferably, the voice quality monitoring device also comprises: the packet capturing module, be used for the data message when obtaining the MOS value and be lower than alarm threshold by packet capturing, and wherein, this data message comprises time division multiplexing tdm data and IP message.
In the present invention, the attendant realizes the automatic monitoring of voice quality by the detection to voice quality MOS value, thereby can accurately reflect the quality of voice quality, so that can in time find the situation that voice quality is relatively poor, in order in time process, thereby improved user's experience.，
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the voice quality monitoring method of the embodiment of the invention one;
Fig. 2 is the voice quality monitoring method flow chart according to the embodiment of the invention two;
Fig. 3 is the structured flowchart according to the voice quality monitoring device of the embodiment of the invention three;
Fig. 4 is the structured flowchart according to the voice quality monitoring device of the embodiment of the invention four;
Fig. 5 is the structural representation according to the voice quality monitoring device of the embodiment of the invention five.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Mention in the correlation technique, in the correlation technique only with packet loss, shake and the time delay of monitoring IP network, thereby infer the issuable impact of voice quality, but can not reflect exactly voice quality.
Embodiment one
For solving the problems of the technologies described above, the embodiment of the invention one provides a kind of voice quality the method for monitoring, and its handling process comprises as shown in Figure 1:
Step S102, the voice quality MOS value in the media gateway detection messages;
Step S104 judges whether the MOS value is lower than default alarm threshold;
Step S106 if so, then carries out the voice quality alarm.
In the present embodiment, the attendant realizes the automatic monitoring of voice quality by the detection to voice quality MOS value, thereby can accurately reflect the quality of voice quality, so that can in time find the situation that voice quality is relatively poor, in order in time process, thereby improved user's experience.
Before step S102, the alarm threshold of voice quality MOS value is set first; When enabling voice quality MOS value monitoring function in media gateway, this function can enable RTCP-XR (the RTP Control Protocol Extended Reports) function of VoIP chip automatically.In this step implementation, enable voice quality MOS value monitoring function and be only applicable to audio call, for the calling of facsimile machine and modulator-demodulator, media gateway does not detect voice quality MOS value.
The voice quality parameters MOS value that detects in the RTCP-XR message when media gateway is lower than this alarm threshold, will enter step S106 and process; Otherwise continue monitoring MOS value.By the voice quality the method for monitoring that present embodiment provides, can reflect accurately the quality of voice quality.
In a preferred embodiment, before carrying out the voice quality alarm, comprising: the system parameters when recording above-mentioned MOS value and being lower than above-mentioned alarm threshold.
Wherein, system parameters comprises: system time, repeat circuit number, master chip circuit number, far-end IP address, port numbers, voice quality MOS value.
Wherein, above-mentioned voice quality MOS value comprises: listening quality desired value MOS-LQ and/or speech quality desired value MOS-CQ.
In a preferred embodiment, after the system parameters when stating documentarily the MOS value and being lower than above-mentioned alarm threshold, also comprise: the data message when obtaining the MOS value and be lower than alarm threshold by packet capturing, wherein, this data message comprises time division multiplexing tdm data and IP message.
In the present embodiment, the data message when packet capturing is obtained the MOS value and is lower than alarm threshold for the later poor reason of location voice quality provides the data that can analyze, is convenient to maintenance and the raising of voice quality.
In a preferred embodiment, after carrying out the voice quality alarm, also comprise: according to system parameters and the poor reason of data message location voice quality.
Can alarm module be set to be used for showing system parameters and the data message of record at medium gateway internal, the attendant can view system parameters and data message by alarm module, can locate fast the poor reason of voice quality by these information, and in time solve, thereby improve user satisfaction.
In a preferred embodiment, call out in the situation about not stopping at this, media gateway only detects first carries out the voice quality alarm when MOS value is lower than alarm threshold.
In the present embodiment, if media gateway detects the MOS value when being greater than or equal to alarm threshold, do not carry out the voice quality alarm, and continue to carry out monitoring; If media gateway detects the MOS value when being lower than alarm threshold, then carry out the voice quality alarm, and no matter whether continue monitoring, all only detect at this and carry out the voice quality alarm when finding, be lower than alarm threshold if still detect later on the MOS value, no longer carry out alarm.
Embodiment two
For voice quality the method for monitoring that the embodiment of the invention is provided set forth clearer clearer, embodiment two provides a kind of voice quality monitoring method that specifically is applied in the reality, the method that present embodiment provides is slightly different from the title of above-described embodiment in the title of the information that each step is obtained, but can reach identical effect with above-mentioned execution mode.
Fig. 2 is according to the flow chart of the monitoring voice quality MOS value of the embodiment of the invention two, comprises that step S202 is to step S212.
Step S202 arranges the alarm threshold of voice quality MOS value.
Step S204 enables voice quality MOS value monitoring function in media gateway.Enable RTCP-XR (the RTP Control Protocol Extended Reports) function that this function can enable the VoIP chip automatically.
Step S206 judges whether the MOS value is lower than default alarm threshold.
Voice quality parameters MOS-LQ or MOS-CQ value that media gateway detects in the RTCP-XR message are lower than this alarm threshold, will enter step S208 and process.Otherwise continue monitoring MOS value.
Step S208, the system parameters when record MOS value is lower than alarm threshold, the data message when the while packet capturing is obtained the MOS value and is lower than alarm threshold.
Media gateway is recorded current system time, repeat circuit number, VoIP circuit number, far-end IP address and port number, MOS-LQ value and MOS-CQ value, and an Alarm ID is set, with these information reportings to alarm module, simultaneously packet capturing.
Step S210, media gateway only detects first carries out the voice quality alarm when MOS value is lower than alarm threshold.
Not in the situation of end call, media gateway detects a MOS value and is lower than after the alarm threshold, no longer report and alarm information at switching equipment.
Step S212 searches the poor reason of voice quality.
The attendant can view warning information and packet capturing information by alarm module, can locate fast the poor reason of voice quality by these information, and in time solves, thereby improves user satisfaction.
Wherein, in step S204, enable voice quality MOS value monitoring function and be only applicable to audio call, for the calling of facsimile machine and modulator-demodulator, media gateway does not detect voice quality MOS value.
Need to prove, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the flow chart of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Embodiment three
The embodiment of the invention also provides a kind of voice quality monitoring device, this voice quality monitoring device can be used for realizing above-mentioned voice quality monitoring method and preferred implementation, carried out explanation, repeat no more, the below describes the module that relates in this voice quality monitoring device.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described system and method for following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
According to a further aspect in the invention, provide a kind of voice quality monitoring device, as shown in Figure 3, be applied to comprise in the media gateway: detection module 10, for detection of the voice quality MOS value in the message; Judge module 20 is used for judging whether described MOS value is lower than default alarm threshold; Alarm module 30 is used for being lower than in the situation of described alarm threshold in described MOS value, carries out the voice quality alarm.Wherein, detection module 10, judge module 20 and alarm module 30 are coupled successively.
By using this device, can monitor real-time and accurately media gateway voice quality MOS value.Voice quality has been played good monitoring effect.
Embodiment four
The device that present embodiment provides is to have increased corresponding module at the device that embodiment three provides, to realize more complete function.The device that embodiment three provides is no longer given unnecessary details, and present embodiment only is described the corresponding module that increases.
As shown in Figure 4, the voice quality monitoring device also comprises: logging modle 40, the system parameters when being lower than alarm threshold for record MOS value; Packet capturing module 50 is used for the data message when obtaining the MOS value and be lower than alarm threshold by packet capturing, and wherein, this data message comprises time division multiplexing tdm data and IP message.
Increase the voice quality monitoring device of logging modle and packet capturing module, more be convenient on the implementation attendant's query warning information and packet capturing information, thereby can locate fast the poor reason of voice quality, and in time solved, improved user satisfaction.By this device, can make the voice quality monitoring reach better effect.
Embodiment five
To set forth ground clearer clearer for the device of voice quality that the embodiment of the invention is provided monitoring, embodiment five provides a kind of voice quality monitoring device that is applied in the reality, the device that present embodiment provides is slightly different on the name of module and function, but it can reach identical technique effect with above-described embodiment.
As shown in Figure 5, the implement device 501 of automatic monitoring voice quality MOS value of the present invention is in media gateway device 500 inside, comprises following module:
Parameter arranges module 502, is used for arranging the alarm threshold of voice quality MOS value.
Voice quality MOS value monitoring function control module 503 is used for opening or closing voice quality MOS value monitoring function.
Wherein, for the calling of facsimile machine and modulator-demodulator, detection module 10 will not monitored voice quality MOS value.
At switching equipment not in the situation of end call, detection module 10 detects MOS-LQ or the MOS-CQ value is lower than after the alarm threshold, will no longer detect the MOS value.
In the various embodiments described above of the present invention, realized automatic monitoring voice quality MOS value, compare with infer the method for voice quality by packet loss, shake and the time delay of monitoring IP network, accurately reflected real voice quality.It is poor that the present invention not only can detect the voice quality that IP network causes, it is poor to detect the voice quality that media gateway VoIP chip causes.And the present invention can detect in the situation that does not affect the existing network business, and therefore, operation is very easy, is conducive to the quick solution fault, improves user satisfaction.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby they can be stored in the storage device, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a voice quality the method for monitoring is characterized in that, comprising:
Voice quality MOS value in the media gateway detection messages;
Judge whether described MOS value is lower than default alarm threshold;
If so, then carry out the voice quality alarm.
2. method according to claim 1 is characterized in that, carries out comprising before the voice quality alarm:
System parameters when recording described MOS value and being lower than described alarm threshold.
3. method according to claim 2 is characterized in that, described system parameters comprises: system time, repeat circuit number, master chip circuit number, far-end IP address, port numbers, voice quality MOS value.
4. method according to claim 2 is characterized in that, after the system parameters when the described MOS value of record is lower than described alarm threshold, also comprises:
Data message when obtaining described MOS value and be lower than described alarm threshold by packet capturing, wherein, described data message comprises time division multiplexing tdm data and IP message.
5. method according to claim 4 is characterized in that, if so, then carries out also comprising after the voice quality alarm:
According to described system parameters and the poor reason of described data message location voice quality.
6. according to claim 1 to 5 each described methods, it is characterized in that described voice quality MOS value comprises: listening quality desired value MOS-LQ and/or speech quality desired value MOS-CQ.
7. method according to claim 6 is characterized in that, calls out in the situation about not stopping at this, and described media gateway only detects first carries out the voice quality alarm when described MOS value is lower than described alarm threshold.
8. a voice quality monitoring device is applied to it is characterized in that in the media gateway, comprising:
Detection module is for detection of the voice quality MOS value in the message;
Judge module is used for judging whether described MOS value is lower than default alarm threshold;
Alarm module is used for being lower than in the situation of described alarm threshold in described MOS value, carries out the voice quality alarm.
9. device according to claim 8 is characterized in that, described voice quality monitoring device also comprises:
Logging modle, the system parameters when being used for recording described MOS value and being lower than described alarm threshold.
10. device according to claim 8 is characterized in that, described voice quality monitoring device also comprises:
The packet capturing module is used for the data message when obtaining described MOS value and be lower than described alarm threshold by packet capturing, and wherein, described data message comprises time division multiplexing tdm data and IP message.
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| CN105491582A (en) * | 2014-09-17 | 2016-04-13 | 联想(北京)有限公司 | Information processing method and device |
| CN111787160A (en) * | 2020-07-07 | 2020-10-16 | 上海茂声智能科技有限公司 | Method, device and system for voice gateway security detection |
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