CN102695206B - Method and device for detecting voice service noise - Google Patents
Method and device for detecting voice service noise Download PDFInfo
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Abstract
The invention discloses a method and a device for detecting a voice service noise. The method comprises the steps as follows: receiving a voice frame transmitted by a transmitter; detecting whether the voice is correct or not according to any one detection field of a promissory voice frame format, wherein the detection field is relative to the correctness of the voice frame; and determining a noise package is received when the voice frame is incorrect. The method and the device can detect that whether a noise is generated during the calling of users, can assist positioning or solve a partial noise problem, or reduce the positioning range of the noise problem, and directly or indirectly improve voice calling quality of users.
Description
Technical field
The present invention relates to voice communication technical field, relate in particular to a kind of speech business noise detection method and device
Background technology
TD-SCDMA(Time Division-Synchronous Code Division Multiple Access at present, TD SDMA) Access Network is relatively deficient for the detection means of quality of service in system, and speech business noise detection means is also fewer.
The transmission intercal of VoP is shorter, is generally 20ms, if receive once in a while a small amount of noise bag, people's ear can not be differentiated out, but when noise bag is accumulated to a certain amount ofly at short notice, will be perceived by the human ear, the perception that affects calling user with normally exchange.
Therefore, lack at present a kind of effectively speech business noise and detect, further to locate or to solve part souffle problem, or dwindle souffle problem orientation range, improve directly or indirectly voice user's speech quality.
Summary of the invention
The invention provides a kind of speech business noise detection method and device, be used for knowing whether user occurs noise in communication process.
A kind of speech business noise of the present invention detection method, comprising:
Receive the speech frame of transmit leg transmission;
In speech frame form according to a preconcerted arrangement, whether arbitrary detected field to detect described speech frame correct, and described detected field is and whether correct relevant field of speech frame;
Detect when speech frame is incorrect, determine and receive noise bag.
The present invention also provides a kind of speech business noise checkout gear, comprising:
Receiving element, for receiving the speech frame of transmit leg transmission;
Detecting unit, in speech frame form according to a preconcerted arrangement, whether arbitrary detected field to detect described speech frame correct, and described detected field is and whether correct relevant field of speech frame;
Determining unit, for detection of, determining and receive noise bag when incorrect to speech frame.
Utilize speech business noise detection method provided by the invention and device, there is following beneficial effect: can know whether user occurs noise in communication process, can further locate or solve part souffle problem, or dwindle souffle problem orientation range, improve directly or indirectly voice user's speech quality.
Brief description of the drawings
Fig. 1 is embodiment of the present invention speech business noise detection method flow chart;
Fig. 2 is Iu UP PDU Type 0 frame format schematic diagram;
Fig. 3 is up link FP frame format schematic diagram;
Fig. 4 is embodiment of the present invention speech business noise structure of the detecting device figure.
Embodiment
Below in conjunction with drawings and Examples, speech business noise detection method provided by the invention and device are illustrated in greater detail.
In TD-SCDMA system, Access Network is relatively deficient for the detection means of quality of service at present, speech business noise detection means is also fewer, the present invention proposes a kind of speech business noise detection method, is used for knowing whether user occurs noise in communication process, as shown in Figure 1, comprising:
Step 101, receives the speech frame that transmit leg transmits;
Step 102, in speech frame form according to a preconcerted arrangement, whether arbitrary detected field to detect described speech frame correct, and described detected field is and whether correct relevant field of speech frame;
Step 103, detects when speech frame is incorrect, determines and receives noise bag.
The speech frame that receiving side terminal is received is incorrect, the speech frame failure that may be dropped or decode, the data that people's ear is heard so just have intermittently, or occur other unexpected data (such as occurring ring whister-type noise in call), these packets (speech frame being dropped or the failed speech frame of decoding) are referred to as noise bag.
Speech data is that the mode that is VoP with speech frame is transmitted, speech frame generally has fixing speech frame form, conventionally speech frame comprises multiple fields according to agreement regulation, different field is carried different content, some field is relevant to voice correctness, as for the whether correct check field of verification speech frame, therefore, whether correctly can utilize these fields to detect speech frame.
The present embodiment detects when speech frame according to detected field in speech frame, as long as detect that according to arbitrary detected field wherein speech frame is incorrect, determines and noise bag detected, no longer detects speech frame by other detected field.Particularly, if detected field only has one in speech frame, whether correctly detect speech frame according to this field.If there are multiple such fields, to the detection out-of-order requirement of each field, if detect that according to one of them field speech frame is incorrect, no longer carry out other field detections, i.e. same speech frame, notes down at most noise bag one time, does not repeat statistics.
The detection that is whether noise bag on speech frame in the present embodiment does not affect original treatment mechanism and the process of speech frame.
Preferably, detected field in the speech frame form of arranging in the present embodiment, comprises that whether correct field and the recipient of transmit leg instruction speech frame determines according to field contents the field whether speech frame is correct.
For example, for some speech frame, transmit leg is sending the verification of can being correlated with when speech frame, and check results is carried in speech frame and sends to recipient, and therefore recipient can directly determine that according to these fields whether speech frame is correct.For some speech frame, need recipient further to process and determine that whether speech frame is correct in decode procedure according to the field contents of speech frame.
Preferably, the speech frame that the present embodiment receives is downlink speech frame or ascending voice frame.
Preferably, the present embodiment carries out the detection of speech business noise by network side, to locate the problem of noise appearance and to improve speech service quality, can carry out the detection of speech business noise by radio network controller (RNC).
Noise detects point 2 directions of up-downgoing and detects respectively, carries out the detection of speech business noise below with RNC, and the preferred embodiment that provides up-downlink direction of the present invention and carry out the detection of speech business noise, certainly, can also be other network equipment.
Embodiment 1
The present embodiment sends to the speech frame of RNC for core net CN, carry out the detection of speech business noise, and the speech frame of reception is descending Iu-UP(Iu User Plane, Iu mouth user face) speech frame.
As shown in Figure 2,3GPP specification 3GTS 25.415 Iu-UP protocol definitions for transmitting the Iu-UP Type0 frame structure of speech business data, the particular content of each field can specify referring to agreement, no longer describes in detail here.In the speech frame form of agreement, detected field comprises:
1) whether transmit leg instruction speech frame is the FQC(Frame Quality Classification of normal frame, frame quality classification) field
For RNC, the frame quality classification FQC of the speech frame that core net CN sends has Three Estate, and 0 is normal frame (frame good), and 1 is bad frame (frame bad), 2 bad frames that cause for wireless reason (rame bad due to radio), 3 for retaining (spare).
Therefore,, when the packet FQC value received as RNC is non-zero, think that this speech frame is noise bag.
2) RFCI(RAB Format Combination Indication, the instruction of radio bearer combination of sets) field
In Iu-UP frame, comprise RFCI and corresponding RAB(Radio Access Bear thereof, RAB) subflow, particularly, the payload of Iu-UP frame comprises multiple subflows, subflow quantity and the each subflow size of voice RAB, different RFCI is corresponding from different RAB combination, as the speech frame for some type, there are 3 RAB subflows, and size and these RAB subflows of arranging each RAB subflow combine corresponding RFCI, for the speech frame of some type, there is 1 RAB subflow, and arrange size and the corresponding RFCI of this RAB subflow.
For speech business, in business RAB process of establishing, RNC and CN can consult and comprise that all RAB combine the RFCI collection of corresponding RFCI, if the RFCI collection that the RFCI in the speech frame of user's face transmission is not consulting, terminal possibly cannot normal decoder VoP, therefore the RFCI issuing as CN, not in the RFCI collection consulting, thinks that speech frame is noise bag.
3) payload CRC(Cyclic Redundancy Check cyclic redundancy check (CRC)) field
If RNC supports Payload CRC check, payload crc field content is carried out to verification, determine that according to check results whether speech frame is correct, if verification failure or make mistakes thinks that speech frame is noise bag.
Embodiment 2
The present embodiment sends to the speech frame of RNC for user terminal UE, carry out the detection of speech business noise, and the speech frame of reception is up FP(Frame Protocol, Frame Protocol) speech frame.
As shown in Figure 3, the definition of FP frame is referring to 3GPP specification 3GTS25.427 agreement, and the particular content of each field can specify referring to agreement, no longer describes in detail here.In the speech frame form of agreement, detected field comprises:
1) the whether correct CRCI(CRC instruction of transmit leg instruction speech frame CRC) field
Transmitting terminal, before sending FP speech frame, carries out CRC check to each transmission block, and check results is indicated to receiving terminal by CRCI, for RNC, in the time that the arbitrary CRCI in speech frame is designated as mistake, thinks that this speech frame is noise bag.
2) payload crc field
If RNC supports Payload CRC check, while detecting speech frame according to crc field, crc field content is carried out to verification, determine that according to check results whether speech frame is correct.As verification failure or make mistakes, think that this speech frame is noise bag.
The speech frame form of agreement is not limited to the speech frame form that embodiment 1 and embodiment 2 provide, and can also be other form, and detected field is also not limited to above-mentioned field.
Preferably, for embodiment 1 or embodiment 2, determine while receiving noise bag, further comprise: recording noise contracts out the relevant information in present network.For example according to make mistakes the definite noise type of reason, occur noise bag terminal type, there is the contents such as community, time point, wireless signal, calling level value.
The above embodiment of the present invention detects speech business user-plane voice frame based on wireless network side RNC.Receive the reason more complicated of noise bag from terminal, may have relation with both call sides terminal, such as the encoding and decoding of both sides' packet are compatible bad etc.; May there is relation with wireless coverage, as partial loss in (as poor signal) wireless transmission; Also may be relevant with other reasons such as Internet Transmissions, if can detect noise bag, according to the relevant information of above-mentioned record, can further analyze there is noise terminal type, occur community, the content such as time point, wireless signal, solve and improve conversation noise problem for locating.
Preferably, no matter be up or descending, per call starts to carry out noise detection according to actual conditions, according to the report cycle of setting, noise bag and relevant information that periodic statistics receives, and report by certain mechanism, specifically can adopt following two kinds of modes:
1) event+periodic mode reports
According to the report cycle of setting, the noise bag that periodic statistics receives, while arriving report cycle, if the noise bag summation of statistics reaches setting thresholding, statistics is reported, otherwise, think that noise bag does not affect user awareness, do not report, and again add up at next report cycle.
2) periodic report
According to the report cycle of setting, the noise bag that periodic statistics receives, while arriving report cycle, reports statistics, and again adds up at next report cycle.
Particularly, can be according to the TTI(Transmission Time Interval of speech frame, Transmission Time Interval), the integral multiple that report cycle is TTI is set.
Based on same inventive concept, a kind of speech business noise checkout gear is also provided in the embodiment of the present invention, because the principle that this device is dealt with problems is similar to a kind of speech business noise detection method, therefore the enforcement of these equipment can be referring to the enforcement of method, repeats part and repeat no more.
The speech business noise checkout gear that the embodiment of the present invention provides, as shown in Figure 4, comprising:
Receiving element 401, for receiving the speech frame of transmit leg transmission;
Detecting unit 402, in speech frame form according to a preconcerted arrangement, whether arbitrary detected field to detect described speech frame correct, and described detected field is and whether correct relevant field of speech frame;
Determining unit 403, for detection of, determining and receive noise bag when incorrect to speech frame.
Preferably, detected field in the speech frame form of described agreement, comprises that whether correct field and the recipient of transmit leg instruction speech frame determines according to field contents the field whether speech frame is correct.
Preferably, the speech frame that receiving element 401 receives is downlink speech frame or ascending voice frame.
Preferably, the speech frame that receiving element 401 receives is descending Iu mouth user face IU-UP speech frame, and in the speech frame form of agreement, detected field comprises:
Whether transmit leg instruction speech frame is the frame quality classification FQC field of normal frame;
Radio bearer combination of sets instruction RFCI field, wherein, when detecting unit detects speech frame according to RFCI field, RFCI collection according to a preconcerted arrangement, determines that whether RFCI field contents is correct;
Payload cyclic redundancy check (CRC) field, wherein, when detecting unit detects speech frame according to crc field, carries out verification to crc field content, determines that according to check results whether speech frame is correct.
Preferably, the speech frame that receiving element 401 receives is uplink frame agreement FP speech frame, and in the speech frame form of agreement, detected field comprises:
The CRC instruction CRCI field whether transmit leg instruction speech frame cyclic redundancy check (CRC) is correct;
Payload crc field, wherein, when detecting unit detects speech frame according to crc field, carries out verification to crc field content, determines that according to check results whether speech frame is correct.
Preferably, determining unit 403 is according to the report cycle of setting, and the noise bag that periodic statistics receives, while arriving report cycle, if the noise bag summation of statistics reaches setting thresholding, reports statistics, otherwise, do not report; Or
Determining unit 403 is according to the report cycle of setting, and the noise bag that periodic statistics receives, while arriving report cycle, reports statistics.
Preferably, determining unit 403 determines that while receiving noise bag, recording noise contracts out the relevant information in present network.
Preferably, described speech business noise checkout gear is radio network controller (RNC).
The present invention proposes speech business noise checkout gear, for the noise bag detecting, can count the contents such as terminal type, community of living in, time period, calling level value by analyzing noise packet-related information, if noise bag has more some terminal or certain model terminal now, can further be confirmed whether that some or the processing of certain model terminal voice packet exist defect to cause by other detection meanss; If noise bag concentrates on some community, can whether cover or unit exception causes noise bag community in conjunction with subzone network planning and other validation of information; Even can whether there is by further comprehensive analyses of information such as terminal call level value, community of living in, time are short the noise bag of the poor or other reasons generation of interferences, wireless signal.
In a word, can pass through network side noise detection means, recording noise appears at relevant information in network, by the statistical analysis to these information, can further locate or solve part souffle problem, or dwindle souffle problem orientation range, improve directly or indirectly voice user's speech quality.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (13)
1. a speech business noise detection method, is characterized in that, comprising:
Receive the speech frame of transmit leg transmission;
In speech frame form according to a preconcerted arrangement, whether arbitrary detected field to detect described speech frame correct, and described detected field is and whether correct relevant field of speech frame;
Detect when speech frame is incorrect, determine and receive noise bag, recording noise contracts out the relevant information in present network, described relevant information comprise according to make mistakes the definite noise type of reason, occur noise bag terminal type, there is community, time point, wireless signal, calling level value.
2. the method for claim 1, is characterized in that, detected field in the speech frame form of described agreement comprises that whether correct field and the recipient of transmit leg instruction speech frame determines according to field contents the field whether speech frame is correct.
3. the method for claim 1, is characterized in that, the speech frame of reception is downlink speech frame or ascending voice frame.
4. method as claimed in claim 3, is characterized in that, the speech frame of reception is descending Iu mouth user face IU-UP speech frame, and in the speech frame form of described agreement, detected field comprises:
Whether transmit leg instruction speech frame is the frame quality classification FQC field of normal frame;
Whether radio bearer combination of sets instruction RFCI field, wherein, while detecting speech frame, appear at the RFCI collection of negotiation according to RFCI field according to RFCI field, determine that whether speech frame is correct;
Payload cyclic redundancy check (CRC) field, wherein, while detecting speech frame, carries out verification to payload crc field content according to payload crc field, determines that according to check results whether speech frame is correct.
5. method as claimed in claim 3, is characterized in that, the speech frame of reception is uplink frame agreement FP speech frame, and in the speech frame form of agreement, detected field comprises:
The CRC instruction CRCI field whether transmit leg instruction speech frame cyclic redundancy check (CRC) is correct;
Payload crc field, wherein, while detecting speech frame, carries out verification to payload crc field content according to payload crc field, determines that according to check results whether speech frame is correct.
6. the method for claim 1, is characterized in that,
According to the report cycle of setting, the noise bag that periodic statistics receives, while arriving report cycle, if the noise bag summation of statistics reaches setting thresholding, reports statistics, otherwise, do not report; Or
According to the report cycle of setting, the noise bag that periodic statistics receives, while arriving report cycle, reports statistics.
7. a speech business noise checkout gear, is characterized in that, comprising:
Receiving element, for receiving the speech frame of transmit leg transmission;
Detecting unit, in speech frame form according to a preconcerted arrangement, whether arbitrary detected field to detect described speech frame correct, and described detected field is and whether correct relevant field of speech frame;
Determining unit, for detection of to speech frame when incorrect, determine and receive noise bag, recording noise contracts out the relevant information in present network, described relevant information comprise according to make mistakes the definite noise type of reason, occur noise bag terminal type, there is community, time point, wireless signal, calling level value.
8. device as claimed in claim 7, is characterized in that, detected field in the speech frame form of described agreement comprises that whether correct field and the recipient of transmit leg instruction speech frame determines according to field contents the field whether speech frame is correct.
9. device as claimed in claim 7, is characterized in that, the speech frame that receiving element receives is downlink speech frame or ascending voice frame.
10. device as claimed in claim 9, is characterized in that, the speech frame that receiving element receives is descending Iu mouth user face IU-UP speech frame, and in the speech frame form of agreement, detected field comprises:
Whether transmit leg instruction speech frame is the frame quality classification FQC field of normal frame;
Whether radio bearer combination of sets instruction RFCI field, wherein, when detecting unit detects speech frame according to RFCI field, appear at the RFCI collection of negotiation according to RFCI field, determine that whether speech frame is correct;
Payload cyclic redundancy check (CRC) field, wherein, when detecting unit detects speech frame according to payload crc field, carries out verification to payload crc field content, determines that according to check results whether speech frame is correct.
11. devices as claimed in claim 9, is characterized in that, the speech frame that receiving element receives is uplink frame agreement FP speech frame, and in the speech frame form of agreement, detected field comprises:
The CRC instruction CRCI field whether transmit leg instruction speech frame cyclic redundancy check (CRC) is correct;
Payload crc field, wherein, when detecting unit detects speech frame according to payload crc field, carries out verification to payload crc field content, determines that according to check results whether speech frame is correct.
12. devices as claimed in claim 7, is characterized in that,
Determining unit is according to the report cycle of setting, and the noise bag that periodic statistics receives, while arriving report cycle, if the noise bag summation of statistics reaches setting thresholding, reports statistics, otherwise, do not report; Or
Determining unit is according to the report cycle of setting, and the noise bag that periodic statistics receives, while arriving report cycle, reports statistics.
13. devices as claimed in claim 7, is characterized in that, described speech business noise checkout gear is radio network controller (RNC).
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| CN104468020B (en) * | 2013-09-13 | 2018-03-23 | 成都鼎桥通信技术有限公司 | Processing method, sending ending equipment and the receiving device of voice mistake |
| CN105790885A (en) * | 2014-12-23 | 2016-07-20 | 中兴通讯股份有限公司 | Method and device for processing abnormal message |
| CN107104690A (en) * | 2017-04-11 | 2017-08-29 | 无锡睿思凯科技股份有限公司 | A kind of microwave receiver and its multiple antennas switched diversity method of reseptance |
| CN109089280B (en) * | 2017-06-13 | 2021-10-15 | 中兴通讯股份有限公司 | Method and device for processing voice services |
| 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 |
| CN111782861A (en) * | 2020-06-12 | 2020-10-16 | Oppo广东移动通信有限公司 | Noise detection method and device, and storage medium |
| CN116074440A (en) * | 2021-11-02 | 2023-05-05 | 腾讯科技（深圳）有限公司 | A call state detection method, device and computer-readable storage medium |
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