CN103731563B - A kind of method concentrating recording at IP multimedia dispatching system - Google Patents
A kind of method concentrating recording at IP multimedia dispatching system Download PDFInfo
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- CN103731563B CN103731563B CN201310685214.2A CN201310685214A CN103731563B CN 103731563 B CN103731563 B CN 103731563B CN 201310685214 A CN201310685214 A CN 201310685214A CN 103731563 B CN103731563 B CN 103731563B
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- recording
- service unit
- recording service
- communication switchboard
- voice data
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Abstract
The invention discloses a kind of method concentrating recording at IP multimedia dispatching system belonging in the communications field.The method is: 1) communication switchboard sends recording request to recording service unit；2) recording service unit distribution recording resource and media channel；3) recording service unit replys 200OK to communication switchboard, generates " sound recordings " write into Databasce；4) the full audio mixing of communication switchboard, coded audio Data Concurrent deliver to service unit of recording；5) recording service unit transcoding, container encapsulate voice data and write file；6) communication switchboard sends BYE to recording service unit, terminates recording；7) recording service unit updates " sound recordings " and is stored in data base；8) recording service unit feeds back 200OK, End of Tape to communication switchboard.The present invention solves the needs such as systematic unity recording storage, management, it is provided that record resource management more easily；Reduce system deployment complexity and maintenance management cost.
Description
Technical field
The invention belongs to the communications field, particularly to a kind of concentration at IP multimedia dispatching system
The method of recording.
Background technology
Dispatching patcher developing rapidly in particular with voip technology, IP dispatching patcher is the widest
Generally the conventional communication mode such as emergency communication, automatic commander dispose difficulty airport, harbour,
The fields such as forestry, railway, oil, government, education, public security, army are applied.In reality
In the application item on border, IP-based multimedia communications system and communication system based on circuit
During networking application, two kinds of systems all have the demand of calling record, all deploy clothes of recording accordingly
Business unit provides sound-recording function.As total system, current mode cannot meet call record
The centralized management of sound, unified query/tune such as listen at the demand.
Summary of the invention
The problem existed for above-mentioned prior art, the present invention proposes a kind of at IP multimedia tune
The method concentrating recording of degree system, specifically comprising the following steps that of the method
1) call is set up, and communication switchboard starts application recording task, by recording service
Unit sends INVITE request, request recording Service Source；
2) recording service unit calls recording service interface, application distribution recording resource and media
Passage；
3) recording service unit replys 200OK to communication switchboard, carries recording resource and matchmaker
Body passage describes information；Recording service unit generates " sound recordings " simultaneously, is write by sound recordings
Enter data base；
4) voice data of both call sides is carried out full audio mixing by communication switchboard, after audio mixing
Data encode, and use RTP, according to the channel parameters consulted before, are sent out by voice data
Deliver to service unit of recording；
5) recording service unit carries out transcoding, container encapsulation to media data, and encapsulation is write
Enter file；
6) end of conversation, communication switchboard sends BYE to recording service unit, terminates this
Recording task；
7) recording service unit updates " sound recordings " and is stored in data base, simultaneously to recording
File does round-off work；
8) recording service unit feeds back 200OK to communication switchboard, confirms End of Tape.
Described step 2) in recording resource specifically include that RTP port numbers, audio frequency transcoder,
Audio frequency wrapper, recording resource is as a side of call, it is provided that higher versatility；Media lead to
Road is set as RecvOnly.
Described step 2) middle recording service interface employing Session Initiation Protocol, called with the SIP of standard
Cheng Zuowei interface, it is provided that Universal Service Interface, it is possible to meet various similar application system.
In described step 3), " sound recordings " is used for the summary description to this recording file, by
The unified record of data base and management, using the teaching of the invention it is possible to provide follow-up maintenance management operation.
The data model of described " sound recordings " is:
| Field | Describe |
| StartTime | Recording start time |
| EndTime | The End of Tape time |
| RecordUser | Recording user |
| Caller | Calling rear subscriber number |
| Callee | Calling called number |
| FileLocation | Recording file position |
Described step 5) detailed process is as follows:
51) from idle port section, certain RTP port is first selected, as this task of recording
Communication switchboard port, recording service unit by communication switchboard port receive audio frequency number
According to；
52) speech-encoded format recorded according to this, sets phonetic entry/output format ginseng
Number, creates audio frequency transcoder, is mesh by the voice data received feeding audio frequency transcoder transcoding
Style formula；
53) create audio frequency wrapper, set encapsulation format, the voice data after transcoding is sent into
Audio frequency wrapper, is encapsulated in container, and writes file.
Described step 52) in the voice data received is unified transposition by audio frequency transcoder
Encode for AAC.
Described step 53) according to mp4 standard, voice data is encapsulated, and store * .mp4
In file.
The beneficial effect of the invention:
1) needs such as systematic unity recording storage, management are solved, using the teaching of the invention it is possible to provide record more easily
Sound resource management.
2) reduce system deployment complexity, reduce system maintenance management cost.
Accompanying drawing explanation
Fig. 1 is the deployment diagram concentrating recording system in the present invention；
Fig. 2 is the method flow diagram concentrating recording in the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
It is illustrated in figure 1 in the present invention deployment diagram concentrating recording system；The basic think of of the method
Lu Wei:
A) call is provided service by media units；
B) recording resource is as a side of call, media server voice is synthesized it
After, to the voice data of a full audio mixing of recording resource output.
The method flow diagram concentrating recording being illustrated in figure 2 in the present invention；The method concrete
Step is as follows:
1) call is set up, and communication switchboard starts application recording task, by recording service
Unit sends INVITE request, request recording Service Source；
2) recording service unit calls recording service interface, application distribution recording resource and media
Passage；
3) recording service unit replys 200OK to communication switchboard, carries recording resource and matchmaker
Body passage describes information；Recording service unit generates " sound recordings " simultaneously, is write by sound recordings
Enter data base；
4) voice data of both call sides is carried out full audio mixing by communication switchboard, after audio mixing
Data encode, and use RTP, according to the channel parameters consulted before, are sent out by voice data
Deliver to service unit of recording；
5) recording service unit carries out transcoding, container encapsulation to media data, and encapsulation is write
Enter file；
Step 5) particularly as follows:
51) from idle port section, certain RTP port is first selected, as this task of recording
Communication switchboard port, recording service unit by communication switchboard port receive audio frequency number
According to；
52) speech-encoded format recorded according to this, sets phonetic entry/output format ginseng
Number, creates audio frequency transcoder, is mesh by the voice data received feeding audio frequency transcoder transcoding
Style formula；
53) create audio frequency wrapper, set encapsulation format, the voice data after transcoding is sent into
Audio frequency wrapper, is encapsulated in container, and writes file.
6) end of conversation, communication switchboard sends BYE to recording service unit, terminates this
Recording task；
7) recording service unit updates " sound recordings " and is stored in data base, simultaneously to record
Sound file does round-off work；
8) recording service unit feeds back 200OK to communication switchboard, confirms End of Tape.
Recording service unit includes herein below and function:
(1) recording resource
Mainly include RTP port numbers, audio frequency transcoder, audio frequency wrapper, resource conduct of recording
One side of call, it is provided that higher versatility.
(2) recording service interface
Recording service interface is supplied to external system and calls, when external system has recording demand,
By calling this interface, application recording resource and media channel, media channel is set as herein
RecvOnly。
This interface provide Universal Service Interface, this Universal Service Interface disclosure satisfy that various similar should
Use system.
The form of this interface: use Session Initiation Protocol, using the SIP calling procedure of standard as interface.
(3) audio frequency transcoding
Externally from the voice data of external system, it is understood that there may be multiple different coded format.
Unifying transposition by audio frequency transcoder is that AAC encodes.
AAC coding after transcoding is admitted to audio frequency wrapper, and audio frequency wrapper is marked according to mp4
Standard realizes mp4 wrapper, is encapsulated by voice data, and stores in * .mp4 file.
(4) sound recordings
For task of recording every time, unified database generates corresponding sound recordings；
Sound recordings have recorded the relevant information of this recording task, using the teaching of the invention it is possible to provide follow-up look into
Ask, adjust maintenance management operations such as listening.
Data Model Designing about sound recordings is shown in Table 1.
Table 1 sound recordings Data Model Designing
| Field | Describe |
| StartTime | Recording start time |
| EndTime | The End of Tape time |
| RecordUser | Recording user |
| Caller | Calling rear subscriber number |
| Callee | Calling called number |
| FileLocation | Recording file position |
The above, the only present invention preferably detailed description of the invention, but the protection model of the present invention
Enclosing and be not limited thereto, any those familiar with the art is in the skill that the invention discloses
In the range of art, the change that can readily occur in or replacement, all should contain in protection scope of the present invention
Within.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (1)
1. the method concentrating recording at IP multimedia dispatching system, it is characterised in that the method
Specifically comprise the following steps that
1) call is set up, and communication switchboard starts application recording task, by sending to recording service unit
INVITE asks, request recording Service Source；
2) recording service unit calls recording service interface, application distribution recording resource and media channel；
3) recording service unit replys 200 OK to communication switchboard, carries recording resource and media channel is retouched
State information；Recording service unit generates " sound recordings ", by sound recordings write into Databasce simultaneously；
4) voice data of both call sides is carried out full audio mixing by communication switchboard, the data after audio mixing is compiled
Code, uses RTP, according to the channel parameters consulted before, voice data is sent to service unit of recording；
5) recording service unit carries out transcoding, container encapsulation to voice data, and encapsulation is write file；
6) end of conversation, communication switchboard sends BYE to recording service unit, terminates this recording task；
7) recording service unit updates " sound recordings " and is stored in data base, receives recording file simultaneously
Tail works；
8) recording service unit feeds back 200 OK to communication switchboard, confirms End of Tape；
Described step 2) in recording resource specifically include that RTP port numbers, audio frequency transcoder, audio frequency encapsulate
Device, recording resource is as a side of call, it is provided that higher versatility；Media channel is set as RecvOnly；
Described step 2) in recording service interface use Session Initiation Protocol, using the SIP calling procedure of standard as connecing
Mouthful, it is provided that Universal Service Interface, it is possible to meet various similar application system；
Described step 3) in " sound recordings " for summary description to this recording file, by data base
Unified record and management, using the teaching of the invention it is possible to provide follow-up maintenance management operation；
The data model of described " sound recordings " is:
StartTime represents recording start time；EndTime represents the End of Tape time；RecordUser
Represent recording user；Caller represents calling rear subscriber number；Callee represents calling called number；
FileLocation represents recording file position；
Described step 5) detailed process is as follows:
51) from idle port section, certain RTP port is first selected, as the communication exchange of this recording task
Machine port, recording service unit receives voice data by communication switchboard port；
52) speech-encoded format recorded according to this, sets phonetic entry/output format parameter, creates sound
Frequently transcoder, is object format by the voice data received feeding audio frequency transcoder transcoding；
53) create audio frequency wrapper, set encapsulation format, the voice data after transcoding is sent into audio frequency encapsulation
Device, is encapsulated in container, and writes file；
Described step 52) in by the voice data received by audio frequency transcoder unify transposition be AAC compile
Code；
Described step 53) according to mp4 standard, voice data is encapsulated, and store in * .mp4 file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685214.2A CN103731563B (en) | 2013-12-13 | 2013-12-13 | A kind of method concentrating recording at IP multimedia dispatching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685214.2A CN103731563B (en) | 2013-12-13 | 2013-12-13 | A kind of method concentrating recording at IP multimedia dispatching system |
Publications (2)
| Publication Number | Publication Date |
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| CN103731563A CN103731563A (en) | 2014-04-16 |
| CN103731563B true CN103731563B (en) | 2016-09-14 |
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| CN201310685214.2A Expired - Fee Related CN103731563B (en) | 2013-12-13 | 2013-12-13 | A kind of method concentrating recording at IP multimedia dispatching system |
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| CN110855841B (en) * | 2019-10-30 | 2021-04-02 | 河北远东通信系统工程有限公司 | Method for realizing recording synchronization of scheduling terminal group |
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| CN101547266B (en) * | 2008-03-29 | 2011-08-03 | 华为技术有限公司 | Method and system for providing intelligent service and gateway |
| CN101867665B (en) * | 2009-04-15 | 2015-04-01 | 中兴通讯股份有限公司 | Media resource playing system, method and business server thereof |
| CN102111514B (en) * | 2009-12-25 | 2013-12-25 | 杭州华三通信技术有限公司 | VoIP recording system and recording method |
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