CN101141684B - System and method of implementing audio service mute processing control - Google Patents
System and method of implementing audio service mute processing control Download PDFInfo
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- CN101141684B CN101141684B CN2007101467209A CN200710146720A CN101141684B CN 101141684 B CN101141684 B CN 101141684B CN 2007101467209 A CN2007101467209 A CN 2007101467209A CN 200710146720 A CN200710146720 A CN 200710146720A CN 101141684 B CN101141684 B CN 101141684B
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Abstract
The present invention provides a system which can achieve the mute processing controlling of an audio frequency service. A medium gateway controller controls a medium gateway through a Mc interface, the medium gateway controller comprises a call controlling entity and a medium processing entity, the medium gateway comprises a medium processing entity and a mute processing entity, the call controlling entity estimates the medium service according to a controlled information flow, to decide to close or open the mute processing function, and send a mute controlling message to a medium controlling entity; the medium controlling entity receives the mute controlling message which is sent by the call controlling entity, and sends to the medium processing entity through the Mc interface; the medium processing entity controls the relation of connection of the medium processing entity and the mute processing entity according to the received mute controlling message; a mute detecting and a compressing processing are executed to the voice audio frequency service by the mute processing entity. The present invention also provides a method which can achieve the mute processing controlling of theaudio frequency service. The present invention achieves the protection of the complex audio frequency service, and reduces the transmission load of the network.
Description
Technical field
The present invention relates to carry and control the mobile communication network audio signal processing technique that separates, relate in particular to the system and method for realizing the quiet processing controls of audio service in a kind of carrying and the mobile communication network that control separates.
Background technology
Quiet processing comprises technology such as silence detection, compression, has produced for many years, and its accounts for about 50% in the total session time quiet time of having used, and this is true and produce.Its basic ideas are to reduce the bit number that transmits during quiet, to reduce the Network Transmission load.Nearly all voice processing technology all has the function of the quiet processing of realization that carries.
Because the fast development of communication network has been introduced the processing to multimedia service, gradually as music Ring Back Tone service, Multimedia Ring Back Tone service etc. in the mobile communication network system.And above-mentioned Audiotechnica is to processing such as quiet detection, compressions, only considered the demand of speech business at the beginning of design, can not allow customer satisfaction to technique effect in the acoustic processing of music or other multimedia frequency.
Also there are some research institutions and producer to begin the quiet treatment technology of multimedia music is studied at present, the maturation of technology needs a very long time, and this Technology Need is contained all sound silence detection, compress technique, it is inevitable very big that its operation takies cost of device, can improve the cost of communication equipment greatly.
Summary of the invention
In view of the above problems, the invention provides a kind of system and method for in carrying and mobile communication network that control separates, realizing the quiet processing controls of audio service.
A kind of system that realizes the quiet processing controls of audio service of the present invention, comprise media gateway and Media Gateway Controller, Media Gateway Controller is controlled media gateway by Mc interface, Media Gateway Controller comprises controlling call entity and medium controlling entity, media gateway comprises medium processing entity and quiet processing entities, wherein:
Controlling call entity is judged media business according to control information flow, determines to close or opens quiet processing capacity, sends quiet control messages to medium controlling entity;
Medium controlling entity, the quiet control messages that the receipt of call controlled entity sends sends to medium processing entity by Mc interface;
Medium processing entity, according to the described quiet control messages that receives, the annexation of control medium processing entity and quiet processing entities;
Quiet processing entities is carried out silence detection and compression processing to the speech audio business.
Above-mentioned system, if described controlling call entity judges that media business is the complex audio business, quiet control messages state is for closing; If described controlling call entity judges that media business is the normal speech audio service, quiet control messages state is for opening.Controlling call entity carries described quiet control messages and is sent to described medium controlling entity in MOD or ADD message.After medium processing entity was received described quiet control messages, for closing, the quiet processing entities of bypass was if described quiet control messages state is for opening the quiet processing entities of serial as if described quiet control messages state.
Above-mentioned system, medium processing entity control one or two direction media information current through described quiet processing entities.
A kind of method that realizes the quiet processing controls of audio service may further comprise the steps:
Controlling call entity is judged media business according to the information in the control information flow, determines to close or opens quiet processing capacity, sends quiet control messages to medium controlling entity;
After described medium controlling entity receives described quiet control messages, described quiet control messages is issued medium processing entity by Mc interface; And
After medium processing entity is received described quiet control messages, according to quiet control messages serial or the quiet processing entities of bypass.
Above-mentioned method if described controlling call entity judges that media business is the complex audio business, is provided with quiet control messages state for closing; If described controlling call entity judges that media business is the normal speech audio service, quiet control messages state is set for opening.Controlling call entity carries described quiet control messages and is sent to described medium controlling entity in MOD or ADD message.After medium processing entity is received described quiet control messages, if quiet control messages state, disconnects the connection with corresponding quiet processing entities for closing, if quiet control messages state is for opening the quiet processing entities of connection correspondence.
Above-mentioned method, medium processing entity are controlled one or two direction media information current through quiet processing entities.
Utilize a kind of system and method for realizing the quiet processing controls of audio service of the present invention, realized protection, simultaneously the ordinary audio business is still handled according to existing mode, reduced the Network Transmission load the complex audio business.
Description of drawings
Fig. 1 be carrying with communication system that control separates in realize the system construction drawing of the quiet processing controls of audio service;
Fig. 2 be carrying with communication system that control separates in realize the method flow diagram of the quiet processing controls of audio service.
Embodiment
Below in conjunction with accompanying drawing embodiments of the present invention are described in detail.
Fig. 1 be carrying with communication system that control separates in realize the system construction drawing of the quiet processing controls of audio service.This system comprises media gateway and Media Gateway Controller, Media Gateway Controller is controlled media gateway by Mc interface, Media Gateway Controller comprises controlling call entity and medium processing entity, media gateway comprises medium processing entity and quiet processing entities, wherein MGC processing controls surface information flows, MGW handles medium surface information stream, connects by the Mc mouth between MGC and the MGW.Controlling call entity and medium controlling entity are positioned at MGC inside, connect by internal interface.Medium processing entity and quiet processing entities are positioned at MGW inside, connect by internal interface, and medium processing entity is according to control quiet processing entities connected in series or the quiet processing entities of bypass.Medium processing entity is controlled one or two direction media information current through quiet processing entities.
Wherein:
Controlling call entity is judged media business according to control information flow, determines to close or opens quiet processing capacity, sends quiet control messages to medium controlling entity;
Medium controlling entity, the quiet control messages that the receipt of call controlled entity sends sends to medium processing entity by Mc interface;
Medium processing entity is according to connecing the described quiet control messages that receives, the annexation of control medium processing entity and quiet processing entities;
Quiet processing entities is carried out silence detection and compression processing to the speech audio business.
For controlling call entity, if controlling call entity judges that media business is the complex audio business, quiet control messages state is for closing; If controlling call entity judges that media business is the normal speech audio service, quiet control messages state is for opening.Controlling call entity carries quiet control messages and is sent to medium controlling entity in MOD or ADD message (Mc mouth message element language refers to revise or increase message).After medium processing entity was received described quiet control messages, for closing, the quiet processing entities of bypass was if quiet control messages state is for opening the quiet processing entities of serial as if quiet control messages state.
Fig. 2 be carrying with communication system that control separates in realize the method flow diagram of the quiet processing controls of audio service.Described method comprises the steps:
101: controlling call entity is judged media business according to the information in the control information flow, determines to close or opens quiet processing capacity, if controlling call entity judges that media business is the complex audio business, quiet control messages state is set for closing; If controlling call entity judges that media business is the normal speech audio service, quiet control messages state is set for opening;
102: controlling call entity carries quiet control messages and is sent to medium controlling entity by internal interface in MOD or ADD message.
103: after medium controlling entity receives quiet control messages, described quiet control messages is issued medium processing entity by the Mc interface between MGW and the MGC;
104: after medium processing entity is received described quiet control messages, open or close and being connected of quiet processing entities according to quiet control messages, if quiet control messages state is for closing, the quiet processing entities of bypass is to close quiet processing capacity, if quiet control messages state is for opening, the quiet processing entities of serial is to open quiet processing capacity; Wherein medium processing entity is controlled one or two direction media information current through quiet processing entities;
105: the quiet processing entities of medium processing entity serial or bypass.
In sum, utilize the execution mode of the system and method for the quiet processing controls of realization audio service of the present invention, realized protection, simultaneously the ordinary audio business is still handled according to existing mode, reduced the Network Transmission load the complex audio business.
More than be in order to make those of ordinary skills understand embodiments of the present invention; and the detailed description that embodiments of the present invention are carried out; but can expect; in the scope that does not break away from claim of the present invention and contained, can also make other variation and modification, these variations and revising all in protection scope of the present invention.
Claims (8)
1. system that realizes the quiet processing controls of audio service, comprise media gateway and Media Gateway Controller, Media Gateway Controller is controlled media gateway by Mc interface, Media Gateway Controller comprises controlling call entity and medium processing entity, media gateway comprises medium processing entity and quiet processing entities, it is characterized in that
Controlling call entity is judged media business according to control information flow, determines to close or opens quiet processing capacity, sends quiet control messages to medium controlling entity;
Medium controlling entity, the quiet control messages that the receipt of call controlled entity sends sends to medium processing entity by Mc interface;
Medium processing entity is according to connecing the described quiet control messages that receives, the annexation of control medium processing entity and quiet processing entities; And
Quiet processing entities is carried out silence detection and compression processing to the speech audio business;
Wherein, if described controlling call entity judges that media business is the complex audio business, quiet control messages state is for closing; If described controlling call entity judges that media business is the normal speech audio service, quiet control messages state is for opening.
2. the system of the quiet processing controls of realization audio service according to claim 1 is characterized in that, described controlling call entity carries described quiet control messages and is sent to described medium controlling entity in MOD or ADD message.
3. the system of the quiet processing controls of realization audio service according to claim 1, it is characterized in that, after described medium processing entity is received described quiet control messages, if described quiet control messages state is for closing, the quiet processing entities of bypass, if described quiet control messages state is for opening the quiet processing entities of serial.
4. the system of the quiet processing controls of realization audio service according to claim 1 is characterized in that, described medium processing entity is controlled one or two direction media information current through described quiet processing entities.
5. method of utilizing the described system of claim 1 to realize the quiet processing controls of audio service is characterized in that described method comprises:
Controlling call entity is judged media business according to the information in the control information flow, determines to close or opens quiet processing capacity, sends quiet control messages to medium controlling entity;
After described medium controlling entity receives described quiet control messages, described quiet control messages is issued medium processing entity by Mc interface; And
After medium processing entity is received described quiet control messages, according to quiet control messages serial or the quiet processing entities of bypass;
Wherein, if described controlling call entity judges that media business is the complex audio business, quiet control messages state is set for closing; If described controlling call entity judges that media business is the normal speech audio service, quiet control messages state is set for opening.
6. a kind of method that realizes the quiet processing controls of audio service according to claim 5 is characterized in that, described controlling call entity carries described quiet control messages and is sent to described medium controlling entity in MOD or ADD message.
7. a kind of method that realizes the quiet processing controls of audio service according to claim 5, it is characterized in that, after described medium processing entity is received described quiet control messages, if quiet control messages state is for closing, disconnect connection with corresponding quiet processing entities, if quiet control messages state connects corresponding quiet processing entities for opening.
8. a kind of method that realizes the quiet processing controls of audio service according to claim 5 is characterized in that, described medium processing entity is controlled one or two direction media information current through quiet processing entities.
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| CN2007101467209A CN101141684B (en) | 2007-08-14 | 2007-08-14 | System and method of implementing audio service mute processing control |
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| CN1747408A (en) * | 2004-09-10 | 2006-03-15 | 华为技术有限公司 | Monitoring method of media gateway controller state |
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| CN1747408A (en) * | 2004-09-10 | 2006-03-15 | 华为技术有限公司 | Monitoring method of media gateway controller state |
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