CN201270596Y - Network call quality detection system based on repeater - Google Patents
Network call quality detection system based on repeater Download PDFInfo
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- CN201270596Y CN201270596Y CNU200820146990XU CN200820146990U CN201270596Y CN 201270596 Y CN201270596 Y CN 201270596Y CN U200820146990X U CNU200820146990X U CN U200820146990XU CN 200820146990 U CN200820146990 U CN 200820146990U CN 201270596 Y CN201270596 Y CN 201270596Y
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- repeater
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Abstract
The utility model relates to a network speaking quality detecting system on the basis of a straight amplification station, which comprises a straight amplification station network management system and a plurality of straight amplification station devices which are connected through a communication network, voice modules are arranged on the straight amplification station devices and are provided with program control sound recording devices, program control sound playback devices and voice memorizers which are used to store voice files which are recorded by the program control sound recording devices, a dial testing server is arranged in the straight amplification station network management system and is connected with the communication network through a CTI device, and a dialing and sound recording or playback control module, and an MOS value calculation module are arranged in the dial testing server. The detecting system forms the detecting system on the basis of an existing straight amplification station platform, and the cost of the detecting system is greatly lowered. The detecting system can monitor the network speaking quality actively and rapidly in real time, the labor can be saved, the detecting cost can be reduced, the detecting device can detect a plurality of stations in a concurrent mode simultaneously, and the detecting efficiency is greatly improved. The detecting system can be applicable to different networks through replacing different CTI devices.
Description
Technical field
The utility model belongs to Internet phone-calling quality-monitoring field, relate in particular to and a kind ofly utilize the detection system of CTI equipment with the mode active detecting Internet phone-calling quality of testing based on the repeater, be not limited only to PSTN, wireless network, the Network Transmission mode of support voice such as same support IP network is to utilize repeater equipment to carry out the extension of network optimizing performance index.
Background technology
CTI is the shorthand of English " Computer Telecommunication Integration ", is translated as " computer telecommunication is integrated ", is the core technology of call center (Call Center) system.The CTI technology is to come from traditional computer telephone integration (Computer Telephony Integration) technical development, be to want computer technology is applied in the telephone system at first, can automatically discern processing to the signaling information in the phone, and connect by setting up relevant speech channel, and transmit predetermined recording file, switching calling etc. to the user.The CTI technology has following characteristics:
1, makes full use of the information processing capability of computer;
2, networking is convenient, flexible operation; Improve the utilance of communication line;
3, system interface is abundant, and cost is low;
4, with the seamless link of telecommunications network and computer network;
5, save human resources, improve commander's usefulness.
In the actual speech system applies, the MOS point system is used the most general.It not only is used for speech coding, in the communication equipment performance test, also is in the research of voice objective evaluation method, as one of important evidence of weighing the evaluation method quality.The MOS point system is used for the evaluation to whole satisfaction of voice or voice communication quality, and its score value is as shown in table 1, and commenting of taking one's test listens the people after hearing out tested speech, selects wherein certain one-level as his evaluation to the survey voice quality from 5 grades.All commenting tin people's average mark is exactly the MOS value of the voice quality of surveying.Because subjective and various reasons objectively, the MOS that each test obtains mostly has fluctuation, in order to reduce the variance of fluctuation, except commenting of taking one's test listen the people want abundant (generally at least 40 people), the phonetic material of surveying also should enough be enriched, and test environment also will keep identical as far as possible.In Digital Speech Communication, it has been generally acknowledged that MOS is divided into the quality digital voice at 4.0-5.0, reach the quality requirement of long-distance network, approach the clear channel coding, also often be called network quality or toll quality.MOS is called communication quality about 3.5, this is to feel to rebuild speech quality to descend, but does not hinder normal talking, can satisfy the audio system instructions for use, MOS often is being called synthetic speech quality below 3.0, be meant the quality that the synthetic voice of some vocoders can reach.It generally has enough intelligibilitys, but naturalness and teller's aspects such as affirmation are good inadequately.
Table 1
| MOS appraises | Quality scale | Level of distortion |
| 5 | Excellent (Excellent) | Do not discover |
| 4 | Very (Good) | Just had and discovered |
| 3 | Can (Fair) | Have and discover and just felt hatefulness |
| 2 | Difference (Poor) | Obviously discover and can detest but can stand |
| 1 | Unacceptable (Unacceptable) | Can not stand |
Along with the fast development of the communication technology, the network coverage mobile, UNICOM is relatively more comprehensive.But existing network's coverage area can cause the terminal use can't use the network normal talking owing to network congestion, equipment fault etc.Initiatively initiating monitoring index and can find certain fault by network management system; but generally only can detect and whether can set up voice channel; and can't monitor speech quality; as there being problems such as noise in the voice transfer; therefore cause by the passive situation of customers' responsiveness speech quality difference through regular meeting; timely maintaining network, thus can not provide high-quality voice call network for the user.If listen personnel the Internet phone-calling quality to be carried out the scoring of MOS method with traditional manual type and comment by tissue, then need to waste great amount of manpower, subjectivity is bigger, and detection efficiency is low, can't be in real time, apace huge network is monitored.So, people have developed the network quality monitoring instrument, but existing network quality monitoring instrument will carry instrument by the network maintenance staff usually and detect to the monitoring point, still there is the equipment cost height, waste of manpower, and detection efficiency is low, can not monitor the defective of the speech business quality of network institute overlay area fast, in real time.
Summary of the invention
The purpose of this utility model is to provide a kind of cost low, and can monitor the Internet phone-calling quality detecting system of the speech business quality of network institute overlay area initiatively, fast, in real time.
For reaching above-mentioned purpose, the utility model provides a kind of Internet phone-calling quality detecting system based on the repeater, comprise the discharging-directly station network management system and the some repeater equipments that connect by communication network, described repeater equipment is provided with voice module, the speech memory that this voice module has program control phonographic recorder, program control player and is used to store the voice document that program control phonographic recorder records; Described discharging-directly station network management system is provided with the testing server, and this testing server is connected with described communication network by CTI equipment, is provided with in the testing server and dials and record/playback control module and MOS value computing module.
CTI equipment can adopt digital speech card, analog voice card, wireless Modem, wired Modem, wireless Modem pond or wired Modem pond, also can adopt in them two or more.
The detection principle of this detection system is: utilize sound card, CTI equipment such as wired Modem or wireless Modem, by program control multi-line passage the wireless Modem on the repeater equipment is called out, wireless Modem on the repeater equipment is replied the back and shake hands and set up voice channel in center (comprising testing server and testing CTI equipment), then earlier by the center playback, the repeater equipment recording, repeater equipment is given the center with the audio playback of recording then, the data value that the MOS algorithm computation obtains a speech quality is carried out with voice of receiving and the received pronunciation file that begins to play in the center, i.e. the MOS value.
The utlity model has following beneficial technical effects:
It serves as that detection system is set up on the basis with existing repeater platform, greatly reduces the cost of detection system.
The request that detects is initiated by the testing server at center, and whole testing process is finished automatically by program control, does not need the test man to carry instrument to the Test Network point operation, therefore can be initiatively, fast, the speech quality of monitoring network in real time, and can save manpower, reduce and detect cost.
It utilizes CTI equipment to dial the wireless Modem of repeater, sets up voice channel and carries out playback and recording operation, therefore promptly can be applicable to different networks by changing different types of CTI equipment, as adopting sound card and/or wired Modem as CTI equipment, to be applicable to PSTN; Can adopt GSM MODEM as CTI equipment,, perhaps select for use CDMA MODEM as CTI equipment, to be applicable to cdma network to be applicable to the GSM network.
Owing to be provided with voice module in the repeater, the repeater becomes voice document with the voice recording that receives earlier when detecting, the testing server is given in playback again after receiving, therefore only need set up a voice channel, this voice channel is used in repeater and the timesharing of testing server, and do not need to set up simultaneously data feedback channel and two passages of down going channel, thus the resource that can save CTI equipment, the website that increase can detect simultaneously.
It is the detection system of a hub-and-spoke configuration, and CTI equipment can adopt sound card and Modem pond, therefore can detect a plurality of websites simultaneously in concurrent mode, can improve detection efficiency greatly.
Description of drawings
Fig. 1 is the structural representation of exemplary embodiments based on the Internet phone-calling quality detecting system of repeater;
Fig. 2 is the flow chart of its test calls, and " " center " is meant testing server place one side, and " equipment " is meant place, repeater one side among the figure.
Embodiment
The utility model is in Internet phone-calling effect monitoring field, set up the call center, by CTI equipment the repeater equipment at net is carried out the testing taking turn, obtain information such as each repeater equipment affiliated area speech quality automatically, it can solve the monitoring of communication quality problem completely.The test calls of its mentality of designing and single employing sound card equipment work in the past are different.Support plurality of devices in design, contain communication equipments such as analog or digital sound card, PSTN MODEM, GSM MODEM, CDMA MODEM.The mode of dialing is to be initiated request, made up voice channel between center and repeater equipment end by the center, transmits ascending voice signal and downlink voice signal by a voice channel timesharing, finishes communication flow.
Divide two parts on the detection system hardware: 1, terminal: adopting the mode and the center of wireless Modem to carry out communication, is that the wireless modem on the repeater equipment on the network increases the responsible and network management center's communication of voice module.2, network management center: be to increase testing server and network management center's communication in addition, be responsible for carrying out voice and dial and assess in the discharging-directly station network management system.
Detection system adopts star-like connected mode, and the testing assessment is carried out to a plurality of repeater equipments simultaneously in the support center, and the repeater Wireless Communication Equipment is the value-added service in the discharging-directly station network management system.This detection system proposes the notion of call center, be point out it be with CTI as the center, can test to a plurality of terminal equipments simultaneously, but not two equipment be connected into a communication circuit by sound card.In testing process, we have formulated dtmf signal as the state transfer mode of setting up behind the voice channel, in voice channel, send dtmf signal by both sides' equipment, determine operating state, for example: equipment playback/center recording, center playback/equipment recording, on-hook etc.Behind the call through, carry out speech play and record, obtain the Internet phone-calling voice document, go forward side by side the lang signal to noise ratio, obtain the index of speech quality by the MOS algorithm according to the flow process that pre-establishes (dtmf signal control).The method can be initiated automatically or manual taking turn policy control by the discharging-directly station network management center, regularly a collection of repeater equipment is carried out the assessment of testing voice, other data such as the data that obtain and discharging-directly station network management are added up together, the MOS data are formally included in the parameter of discharging-directly station network management system.
Be described further below in conjunction with accompanying drawing.
With reference to Fig. 1, this is based on the Internet phone-calling quality detecting system of repeater, comprise the discharging-directly station network management system and the some repeater equipments that connect by communication network, at each repeater equipment 1 voice module is set all, the speech memory that this voice module is provided with program control phonographic recorder, program control player and is used to store the voice document that program control phonographic recorder records; Described discharging-directly station network management system is provided with testing server 2, and this testing server 2 is connected with described communication network by CTI equipment, is provided with in the testing server 2 and dials and record/playback control module and MOS value computing module.
In the present embodiment, testing server 2 is and hairdo testing server, promptly can carries out test calls to a plurality of repeater equipments to be measured simultaneously.CTI equipment has adopted wireless Modem pond 3, wired Modem pond 4 and sound card 5.Communication network comprises wireless network and PSTN, described testing server 2 inserts PSTN by sound card 5 and wired Modem pond 4, and then by telecommunications switch 6 access institute wireless networks, described testing server 2 inserts described wireless network by wireless Modem pond 3 in addition.
If communication network to be measured has only wireless network, then can be according in the quantity of net repeater equipment and to the requirement of testing time, select with wireless Modem or wireless Modem pond testing server 2 access of radio network.
The software section of this detection system is supported multiple CTI equipment in design, contains communication equipments such as analog or digital sound card, PSTN MODEM, GSM MODEM, CDMA MODEM.During use, can select with sound card, PSTN MODEM, GSM MODEM or CDMA MODEM as CTI equipment according to the type of network to be measured.Also can be according to test request, as test speed, at the quantity of net repeater equipment, testing cost etc., select analog voice card or digital speech card or MODEM as CTI equipment.The suggestion user adopts the digital speech card when using sound card, and the digital call mode of signalling system No.7 is the direction of development, has characteristics such as the connection speed of calling is fast, can shorten the testing time greatly, be adapted at net equipment more, patrol and examine more frequent situation.The analog voice card apparatus is simple, sets up platform and only needs common PSTN circuit, is suitable for the not many central platform of fast construction testing amount.If few at net equipment, it is low to detect frequency requirement, then can adopt MODEM or MODEM pond as CTI equipment.
This detection system increases voice testing server 2 and CTI equipment on the basis of discharging-directly station network management system, repeater equipment 1 increases voice module.After testing server 2 and discharging-directly station network management system carry out communication and are connected, the testing request that the monitoring webmaster is initiated, utilize sound card 5, wired Modem pond 4 or wireless Modem pond 3, the wireless Modem on the repeater equipment 1 is called out by program control multi-line passage.Flow state is judged in transmission by predetermined DTMF sign indicating number, carries out the comparison of playback, recording and file.Discharge this voice channel then, obtain next testing website, continue testing.When a plurality of idle voice channel, the parallel dialing of system improves testing efficient.
With reference to Fig. 2, the key step of test calls is as follows:
1. testing server 2 needing to obtain the request of testing from network management platform.Obtain the website to be measured in the site list of repeater, judge whether to meet and dial requirement.For example whether get to maximum testing number of times.
2. obtain the idle channel of CTI equipment, and bind, call out with the repeater that needs testing;
3. repeater equipment 1 is replied after receiving calling, sets up voice channel.And on passage, send the DTMF sign indicating number, and expression repeater equipment 1 off-hook, state is prepared normal, and voice are play in request.
4. after the broadcast voice request sign indicating number that repeater equipment 1 sends is received at the center, the playing standard voice document, the voice document play on passage of 1 pair of center of repeater equipment is recorded simultaneously.
5. after the center voice finished playing, repeater equipment 1 was initiated playback request---DTMF sign indicating number, plays the voice that repeater equipment 1 has just been recorded, and this moment, the center began recording, and generated voice document.Then this voice document and received pronunciation file are carried out the MOS algorithm relatively, obtain speech quality.Because these voice are recorded after by the uplink and downlink passage, can reflect the speech quality information of network to a great extent.
6. testing can be carried out to a plurality of repeater equipments by multichannel simultaneously in the center, promptly carries out testing in concurrent mode, to improve test speed.
The above only is a preferable enforcement example of the present utility model, is not limited to the utility model, every within the present invention spirit and principle scope modification, be equal to replacement and improvement etc., all should be included within the utility model.
Claims (5)
1, a kind of Internet phone-calling quality detecting system based on the repeater, comprise the discharging-directly station network management system and the some repeater equipments that connect by communication network, it is characterized in that: described repeater equipment is provided with voice module, the speech memory that this voice module is provided with program control phonographic recorder, program control player and is used to store the voice document that program control phonographic recorder records; Described discharging-directly station network management system is provided with the testing server, and this testing server is connected with described communication network by CTI equipment, is provided with in the testing server and dials and record/playback control module and MOS value computing module.
2, the Internet phone-calling quality detecting system based on the repeater according to claim 1 is characterized in that described CTI equipment adopts at least a in the following equipment: digital speech card, analog voice card, wireless Modem, wired Modem, wireless Modem pond and wired Modem pond.
3, the Internet phone-calling quality detecting system based on the repeater according to claim 1, it is characterized in that: described communication network is a wireless network, described testing server inserts this wireless network by wireless Modem or wireless Modem pond.
4, the Internet phone-calling quality detecting system based on the repeater according to claim 1, it is characterized in that: described communication network comprises wireless network and PSTN, described testing server inserts PSTN by sound card and/or wired Modem pond, and then by telecommunications switch access institute wireless network, described testing server inserts described wireless network by the wireless Modem pond in addition.
5, according to claim 1 or 4 described Internet phone-calling quality detecting systems based on the repeater, it is characterized in that: described testing server is and hairdo testing server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820146990XU CN201270596Y (en) | 2008-08-29 | 2008-08-29 | Network call quality detection system based on repeater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820146990XU CN201270596Y (en) | 2008-08-29 | 2008-08-29 | Network call quality detection system based on repeater |
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| CN201270596Y true CN201270596Y (en) | 2009-07-08 |
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| CNU200820146990XU Expired - Fee Related CN201270596Y (en) | 2008-08-29 | 2008-08-29 | Network call quality detection system based on repeater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820634B (en) * | 2009-10-29 | 2013-06-05 | 华为终端有限公司 | Voice monitoring method and device |
| CN103312903A (en) * | 2013-05-27 | 2013-09-18 | 华为软件技术有限公司 | Method and device for debugging record |
-
2008
- 2008-08-29 CN CNU200820146990XU patent/CN201270596Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820634B (en) * | 2009-10-29 | 2013-06-05 | 华为终端有限公司 | Voice monitoring method and device |
| CN103312903A (en) * | 2013-05-27 | 2013-09-18 | 华为软件技术有限公司 | Method and device for debugging record |
| CN103312903B (en) * | 2013-05-27 | 2016-10-05 | 华为软件技术有限公司 | The debugging way of recording and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20140829 |
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| EXPY | Termination of patent right or utility model |