CN102647469A - VoIP (Voice over Internet Phone) time shifting telephone system and method based on cloud computing - Google Patents
VoIP (Voice over Internet Phone) time shifting telephone system and method based on cloud computing Download PDFInfo
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Abstract
The invention discloses a VoIP (Voice over Internet Phone) time shifting telephone system based on cloud computing. The system comprises a cloud platform end and a terminal, wherein the cloud platform end consists of a VoIP time shifting cloud computing platform module, a VoIP time shifting cloud storage platform module and a network communication module; the VoIP time shifting cloud storage platform module is connected with the VoIP time shifting cloud computing platform module; the VoIP time shifting cloud computing platform module, the VoIP time shifting cloud storage platform module and the network communication module are communicated with the terminal. According to the cloud computing-based VoIP time shifting telephone system and method based on the cloud computing, a cloud infrastructure is adopted; time shifting operation can be carried out on the voice and/or video of a call through a VoIP time shifting cloud computing platform and a VoIP time shifting cloud storage platform, so that a terminal user can conveniently access any segment of the call process in calling, and retrieves and consults voice and/or video files of the calls within a certain period stored in the cloud platform.
Description
Technical field
The invention belongs to VoIP audio frequency and video communicating tech field, relate to a kind of VoIP time shift telephone system and method thereof based on cloud computing.
Background technology
VoIP (Voice over Internet Protocol) is to be based upon the technical packetizing of IP, digitlization transmission technology.It through voice compression algorithm speech data is carried out compressed encoding or transcoding is handled; Pack these speech datas by related protocols such as IP then; Arrive reception ground to data packet transmission through IP network; After these VoPs process decoding terminals decompression processing, revert to original voice signal, thereby reach the purpose that transmits voice by IP network again.
On the basis of VoIP voice, increase video capability, can the most basic phonetic function be expanded to the audio frequency and video function, thereby strengthen user's impression.At present, the VoIP communications platform need have very strong disposal ability, and the VoIP platform of particularly supporting simultaneously for Voice & Video must have higher systematic function, and the existing systems structure is difficult to meet the demands.On the other hand, existing VoIP communication system mainly provides instant communication function, and the conversation voice video data will disappear after communication link is removed, thereby can not effective file, inquiry and repeated accesses be provided to audio, video data.
And the basic theory of cloud computing (Cloud Computing) is meant through network the required computing power of user, memory space, software function and information service etc. is provided, and makes user terminal be able to simplify, and can enjoy the powerful computing ability of " cloud " as required.On convenience, agility, ease for use, has significant advantage.
Therefore, the problem that communication exists to present VoIP is necessary to research and develop, and a kind of the cloud computing technology is incorporated the scheme of VoIP system to develop, and a kind of VoIP time shift telephone system and method thereof based on cloud computing is provided.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of VoIP time shift telephone system and method thereof based on cloud computing, it adopts the cloud framework, can carry out time shift operation to the audio frequency and/or the video of conversation.
For realizing above-mentioned purpose, technical scheme of the present invention is:
A kind of VoIP time shift telephone system based on cloud computing includes cloud platform end and terminal; Wherein, said cloud platform end includes the VoIP time shift cloud storage platform module and the network communication module of VoIP time shift cloud computing platform module, connection VoIP time shift cloud computing platform module; And said VoIP time shift cloud computing platform module and VoIP time shift cloud storage platform module communicate through network communication module and terminal.
Further; VoIP time shift cloud computing platform module includes time shift cloud computing nucleus module unit; With time shift cloud computing nucleus module is the center, and the periphery is connecting Database Unit, Charging Detail Record unit, conversation control unit, time shift content management units, authentication unit, business support unit, time shift boundary element, session management unit and network management module unit.
Further, VoIP time shift cloud storage platform module includes time shift recording elements, volume transcoding units, commentaries on classics decoding unit and the time shift cloud storage nucleus module unit that connects successively.
Further, time shift cloud computing nucleus module unit also is connected with the time shift cloud storage nucleus module unit of VoIP time shift cloud storage platform.
Further, the control and the management of whole system is responsible in said time shift cloud computing nucleus module unit; Each required association of storage system operation is responsible in said DBM unit; Said time shift content managing module unit is used for the list of the audio frequency of required record and/or video data is made and management; Said authentication modular unit is used for identity and the rights management to normal access of voip user and time shift operation; Said time shift boundary element is responsible for the user's time-shift request interface is provided; And the performance and the operating position of whole system Internet resources are responsible for monitoring, controlling and write down in said network management module unit, and manage accordingly.
Further, said time shift is recorded modular unit and is responsible for recording audio frequency and/or video data in the communication process; Said volume transcoding modular unit is responsible for audio frequency after recording and/or video data are carried out compressed encoding or transcoding according to the compressed format and the code check parameter of system's appointment; Said commentaries on classics decoder module unit is responsible for carrying out decoding in advance or transcoding before data flow pushes according to the difference of decoding terminals ability; Said time shift cloud storage nucleus module unit is responsible for time shift required audio frequency and/or video data are carried out centralized stores and comprehensive management, and responsible time shift audio frequency and/or the video segment that the user is required is pushed to the user.
Another technical scheme of the present invention is:
A kind of VoIP time shift phone method based on cloud computing comprises the steps:
S10: send time shifting request to the time shift cloud computing platform, the time shift cloud computing platform carries out replying the terminal behind the authentication to the user;
S11: set up and keep a time shift operation link;
S12: judge terminal type and carry out the time shift data to push;
Further, said time shift operation comprises instant time shift and playback time shift dual mode; Wherein, said instant time shift comprises the steps:
Instant time shifting request is sent to time shift cloud computing platform end in the terminal, and time shift cloud computing platform end carries out replying the terminal behind the authentication to the user;
Behind authentication, locate the audio frequency required in the time shift cloud storage platform end and/or the memory location of video segment, and carry out resource allocation;
Set up and keep a time shift operation with the terminal and link, judge that terminal type also carries out the time shift data and pushes, return normal talking after the instant time shift end;
Further, said playback time shift comprises the steps:
The terminal is searched needed audio frequency and/or video data fragment according to the time shift access interface of the cloud platform destination address visit VoIP time shift cloud computing platform end of appointment according to conversation each side's data and air time order information;
Time shift cloud computing platform end carries out replying the terminal behind the authentication to the user, behind authentication, locatees the audio frequency required in the time shift cloud storage platform end and/or the memory location of video segment, and carries out resource allocation;
Set up and keep a time shift operation with the terminal and link, judge that terminal type also carries out the time shift data and pushes, the playback time shift finishes the back and stops communicating by letter;
Further; When audio frequency that described time shift cloud computing platform end is sent at the reception sources terminal and/or video, can judge whether to encode or transcoding according to the source terminal type, wherein; For the coded audio and/or the video that meet the cloud memory requirement, no longer carry out encoding operation; And do not meet the cloud memory requirement for un-encoded or code check, then encode again or transcoding; And when the terminal pushes audio frequency and/or video data,, promptly have very strong decoding capability if termination function is stronger, then time shift cloud computing platform end was not decoded before pushing audio frequency and/or video data to the purpose terminal, but directly sent to the terminal; If termination function a little less than, cloudlike the terminal, then time shift cloud computing platform end will carry out self adaptation transcoding or decoding according to the objective network situation before pushing audio frequency and/or video data to the purpose terminal, sent to the purpose terminal then.
The VoIP time shift telephone system and the method thereof that the present invention is based on cloud computing adopt the cloud framework; Through VoIP time shift cloud computing platform and VoIP time shift cloud storage platform; Can carry out time shift operation to the audio frequency and/or the video of conversation; Make the terminal use can during conversing, visit any fragment of communication process easily, and can retrieve and consult conversation audio frequency in the certain hour section of storing in the cloud platform and/or video data.
Description of drawings
Fig. 1 is the structural framing that the present invention is based on the VoIP time shift telephone system of cloud computing;
Fig. 2 is the composition module and the annexation diagram of cloud platform involved in the present invention;
Fig. 3 is the operating process diagram that the present invention is based on the related instant time shift of the VoIP time shift phone method of cloud computing;
Fig. 4 is the operating process diagram that the present invention is based on the related playback time shift of the VoIP time shift phone method of cloud computing.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please with reference to Fig. 1, shown in Figure 2, the VoIP time shift telephone system that the present invention is based on cloud computing comprises cloud platform end and terminal.Wherein, cloud platform end includes VoIP time shift cloud computing platform module, VoIP time shift cloud storage platform module and network communication module; VoIP time shift cloud computing platform module, VoIP time shift cloud storage platform module and network communication module and terminal communicate.
The terminal can be various different shapes such as pure voice VoIP terminal and audio frequency and video VoIP terminal.Wherein, pure voice VoIP terminal comprises ip voice phone, USB phone that STB connects, telephone set that the STB connection adaptor connects common RJ11 interface again, mobile phone, computer and other portable sets etc. of VoIP voice software is installed.And audio frequency and video VoIP terminal comprises that IP visual telephone, STB connection USB phone+camera, STB connection adaptor connect mobile phone, computer and other portable sets etc. of common RJ11 interface telephone set+camera, installation VoIP video software again.Time shift operation can be carried out to the audio frequency and/or the video of conversation in described terminal, comprises the instant time shift and the playback time shift dual mode of conversation audio frequency and/or video.Wherein, instant time shift is meant during conversing at any time conversation audio frequency and/or video is carried out rewind down, time-out, steps back the operation of various patterns such as F.F., normal talking soon; And being meant the conversation audio frequency and/or the video that this have been finished in for the previous period through playback mode, the playback time shift repeats to listen to or watch.
Said VoIP time shift cloud computing platform module mainly is responsible for registration, authentication, the authentication at terminal; The flow process control that communication parties is called out; The charging of system, scheduling of resource, network management and system's control; And to control of time shift cloud storage platform etc.It includes time shift cloud computing nucleus module unit, Database Unit, Charging Detail Record unit, conversation control unit, time shift content management units, authentication unit, business support unit, time shift boundary element, session management unit and network management unit.In VoIP time shift cloud computing platform module; With time shift cloud computing nucleus module is the center, and the periphery is connecting modular units such as Database Unit, Charging Detail Record unit, conversation control unit, time shift content management units, authentication unit, business support unit, time shift boundary element, session management unit and network management.And time shift cloud computing nucleus module unit also links to each other with the time shift cloud storage nucleus module unit of VoIP time shift cloud storage platform.Wherein, the control and the management of whole system is responsible in time shift cloud computing nucleus module unit; Each required association of storage system operation is responsible in the DBM unit; The billing operation of VoIP conversation and time shift is responsible in the accounting module unit, and the control to source and destination terminal room VoIP communication process is responsible in conversation control module unit; Time shift content managing module unit is used for the list of the audio frequency of required record and/or video data is made and management; The authentication modular unit is used for identity and the rights management to normal access of voip user and time shift operation; The business support modular unit is used for the attribute of user and associative operation and the management of characteristic; The time shift boundary element is responsible for the user's time-shift request interface is provided, and comprises the voice response system that the web of time shift data message page format is provided and is used for pure audio.Mutual and the related resource scheduling with terminal information is responsible in the session management module unit; The performance and the operating position of whole system Internet resources are responsible for monitoring, controlling and write down in the network management module unit, and manage accordingly.
And described VoIP time shift cloud storage platform module mainly be responsible for to communicating pair or in many ways conversation audio frequency and/or video data gather, compressed encoding, decoding, transcoding, storage and comprehensive management; Parameters such as the storage format of setting audio and/or video data, code check and pot-life; Storing audio and/or video call data are classified and index according to air time and telephone user's information; When proposing time shifting request at the terminal, time shift cloud storage platform is pushed to the terminal with desired audio frequency in terminal and/or video data under the control of time shift cloud computing platform.It includes the time shift recording elements, compiles transcoding units, changes decoding unit and time shift cloud storage nucleus module unit; Said time shift recording elements, compile transcoding units, change decoding unit and time shift cloud storage nucleus module unit is connected, and store the nucleus module unit through the time shift cloud and link to each other with time shift cloud computing nucleus module unit in the VoIP time shift cloud computing platform.Wherein, time shift is recorded modular unit and is responsible for audio frequency in the communication process and/or video data between the recording terminal; Compiling the transcoding modular unit is responsible for the audio frequency after recording and/or video data are carried out compressed encoding or transcoding according to parameters such as the compressed format of system's appointment and code checks; Said commentaries on classics decoder module unit is responsible for carrying out decoding in advance or transcoding before data flow pushes according to the difference of decoding terminals ability; Time shift cloud storage nucleus module unit is responsible for time shift required audio frequency and/or video data are carried out centralized stores and comprehensive management, and responsible time shift audio frequency and/or the video segment that the user is required is pushed to the user.
In embodiments of the present invention, G.711 the speech coding scheme can adopt, G.723.1, G.729A, G.729B, G.726 wait mode; Video Coding Scheme can adopt MPEG2, H.263, H.264, form such as AVS; Code check can be set at 500Kbps, 2Mbps, 20Mbps etc.; The audio storage form can be set at wav, mp3 etc., and video storage format can be set at AVI, WMV, FLV etc.; Pot-life can be set at 7 days, 30 days etc.
The VoIP time shift phone method that the present invention is based on cloud computing comprises the steps:
S10: send time shifting request to the time shift cloud computing platform, the time shift cloud computing platform carries out replying the terminal behind the authentication to the user;
S11: set up and keep a time shift operation link;
S12: judge terminal type and carry out the time shift data to push.
Time shift operation in the embodiment of the invention comprises instant time shift and playback time shift dual mode, and wherein, instant time shift is meant during conversing at any time carries out rewind down, time-out, steps back the operation of various patterns such as F.F., normal talking soon conversation audio frequency and/or video; And being meant the conversation audio frequency and/or the video that this have been finished in for the previous period through playback mode, the playback time shift repeats to listen to or watch.
Said instant time shift basic operation process is: the user is when carrying out normal talking; The terminal can respond user's time-out or fast rewinding request; Suspend audio plays and/or video; This moment, instant time shifting request can be sent to the time shift cloud computing platform in the terminal, and the time shift cloud computing platform carries out replying the terminal behind the authentication to the user.If through authentication, then the session management module of time shift cloud computing platform will be located the audio frequency required in the time shift cloud storage platform and/or the memory location of video segment, and carry out resource allocation.Then, session management module is set up and is kept a time shift operation with the terminal and links.Then, according to the decoding capability the level whether terminal has independent decoding capability and had, determine that next step is to keep the original encoding parameter constant; Or transcoding; Or carry out audio/video decoding.Carry out the time shift data afterwards and push, the audio frequency and/or the video segment of time shift just can be listened to and/or watch in the terminal through reception and relevant treatment.The terminal can return to the normal talking pattern through F.F. after carrying out instant time shift operation.
And said playback time shift needs the communicating data of time shift is carried out content segmentation and preservation according to its conversation each side's data and air time order; The audio frequency and/or the video file that form corresponding concrete conversation one by one are kept on the time shift cloud storage platform, supply the user behind end of conversation, to consult.Its basic operation process is: the terminal is according to the time shift access interface of the target cloud platform accessed VoIP time shift cloud computing platform of appointment; According to conversation each side's data and needed audio frequency of air time sequential scheduling information searching and/or video data fragment, the time shift cloud computing platform carries out replying the terminal behind the authentication to the user then.If through authentication, then the session management module of time shift cloud computing platform will be located the audio frequency required in the time shift cloud storage platform and/or the memory location of video segment, and carry out resource allocation.Then, session management module is set up and is kept a time shift operation with the terminal and links.Then, according to the decoding capability the level whether terminal has independent decoding capability and had, determine that next step is to keep the original encoding parameter constant; Or transcoding; Or carry out audio/video decoding.Just carry out the time shift data afterwards and push, the terminal is through receiving and relevant treatment this conversation fragment that just can start anew to listen to and/or watch.The terminal is finished time shift operation and is removed link after carrying out the playback time shift operation.
Wherein, When audio frequency that described time shift cloud computing platform is sent at the reception sources terminal and/or video, can judge whether to encode or transcoding according to the source terminal type, wherein; For the coded audio and/or the video that meet the cloud memory requirement, no longer carry out encoding operation; And do not meet the cloud memory requirement for un-encoded or code check, then encode again or transcoding.And when the terminal pushes audio frequency and/or video data; Can adopt following two kinds of operator schemes to the different terminals form; Wherein, if termination function is stronger, promptly has very strong decoding capability; Then the time shift cloud computing platform was not decoded before pushing audio frequency and/or video data to the purpose terminal, but directly sent to the terminal; If termination function a little less than, cloudlike the terminal, then the time shift cloud computing platform will carry out self adaptation transcoding or decoding according to the objective network situation before pushing audio frequency and/or video data to the purpose terminal, sent to the purpose terminal then.
Please with reference to shown in Figure 3, specifically may further comprise the steps of said instant time shift:
Step S301, the normal talking process, the user carries out normal talking according to the VoIP common-mode.
Step S302, authentication;
When the user requires to use instant time shift in communication process; It sends instant time shifting request to the time shift cloud computing platform; The terminal with this end message (comprise the terminal hardware address, identity recognition number, terminal type, whether coding/decoding capability etc. is arranged), corresponding user account information, area information etc. submit to session management module, session management module sends to user account information the accounts information of business support module inquiring user and carries out authentication through time shift cloud computing nucleus module;
Step S303 judges whether through authentication;
If the user has the right to carry out instant time shift operation, then carry out next step; If not through authentication, then session management module notice terminal is abandoned time shifting request and is returned the normal talking state.
Step S304, resource allocation;
If the user is through authentication, then session management module carries out resource allocation, checks its resource registering table, stores the required audio frequency and/or the memory location of video segment in the location time shift cloud storage platform.
Step S305 judges whether resource distributes success;
If resource requirement is arranged, then carry out next step operation; If this resource data is empty, promptly data are not successfully stored or are out of date, will not carry out resource allocation, and then session management module notice terminal is abandoned time shifting request and returned the normal talking state.
Step S306 sets up the time shift operation link;
If resource requirement is arranged, then session management module is set up and is kept a time shift operation with the terminal and links.Step S307, terminal type is judged;
Time shift cloud storage platform is judged its decoding capability level according to the end message that step S302 is submitted to by the terminal.If very strong decoding capability is arranged, then directly send compressed audio and/or video, execution in step S309; If a little less than not having decoding capability or ability, execution in step S308 then.
Step S308, audio/video decoding or transcoding.
Step S309, the time shift data push;
Session management module is given notice to time shift cloud storage platform through time shift cloud computing nucleus module, requires to push the audio frequency and/or the video segment of user's request.
Step S310, the terminal receives;
The terminal receives data, and according to play-overing after the equipment of itself type decided Data Receiving or decoding the back broadcast.
Step S311, concrete time shift operation;
After setting up the authentic data stream communication between terminal and the cloud platform, operations such as F.F., rewind down, time-out can be carried out with agreement control datas such as RTSP stream in the terminal.
Step S312, time shift finishes;
The terminal can get into the normal talking pattern by F.F. or prompt operation after carrying out instant time shift operation, this moment, normal communication request was sent to session management module in the terminal.Session management module is received the time shift cloud storage platform resource that takies when the back discharges time shift operation, notifies the terminal to accept to finish time shifting request then.
Step S313 gets into normal talking;
Beginning normal talking state between terminal and the cloud platform, instant time shift operation finishes.
Please with reference to shown in Figure 4, specifically may further comprise the steps of said playback time shift:
Step S401 submits request to;
The terminal is according to the time shift access interface of the target cloud platform accessed VoIP time shift cloud computing platform of appointment; Then according to air time and conversation object etc. needed audio frequency of information searching and/or video data fragment, perhaps through function of search locate fast audio frequency and/or the video data fragment that will search.
Step S402, authentication;
Select after required audio frequency and/or the video data fragment; Session management module is submitted to audio frequency and/or video segment information, this end message (comprising the hardware address, identity recognition number, terminal type, coding/decoding capability level at terminal etc.), corresponding user account information, area information etc. in the terminal, and session management module sends to user account information the accounts information of business support module inquiring user and carries out authentication through time shift cloud computing nucleus module;
Step S403 judges whether through authentication;
If the user has the right to carry out time shift operation, then carry out next step; If not through authentication, then time shift operation is finished at session management module notice terminal.
Step S404, resource allocation;
If the user is through authentication, then session management module carries out resource allocation, checks its resource registering table, stores the required audio frequency and/or the memory location of video segment in the location time shift cloud storage platform.
Step S405 judges whether resource distributes success;
If resource requirement is arranged, then carry out next step operation; If this resource data is empty, promptly data are not successfully stored or are out of date, will not carry out resource allocation, and then time shift operation is finished at session management module notice terminal.
Step S406 sets up the time shift link;
If resource requirement is arranged, then session management module is set up with the terminal and is safeguarded that a time shift operation links.
Step S407, terminal type is judged;
Time shift cloud storage platform is judged its decoding capability level according to the end message that step S402 is submitted to by the terminal.If very strong decoding capability is arranged, then directly send compressed audio and/or video, execution in step S409; If a little less than not having decoding capability or ability, execution in step S408 then.
Step S408, audio/video decoding or transcoding.
Step S409, the time shift data push;
Session management module is given notice to time shift cloud storage platform through time shift cloud computing nucleus module, requires to push the audio frequency and/or the video segment of user's request.
Step S410, the terminal receives;
The terminal receives data, and according to play-overing after the equipment of itself type decided Data Receiving or decoding the back broadcast.
Step S411, concrete time shift operation;
After setting up the authentic data stream communication between terminal and the cloud platform, operations such as F.F., rewind down, time-out can be carried out with agreement control datas such as RTSP stream in the terminal.
Step S412, time shift finishes;
The end time shifting request is sent to session management module in the terminal, and session management module receives that the request back discharges time shift cloud storage platform resource, notifies the terminal to accept request then.
Step S413, link is removed;
Cut off all liaisons, EO between terminal and the cloud platform.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. VoIP time shift telephone system based on cloud computing; Comprise cloud platform end and terminal, it is characterized in that: said cloud platform end includes VoIP time shift cloud computing platform module, connects the VoIP time shift cloud storage platform module and the network communication module of VoIP time shift cloud computing platform module; Wherein, VoIP time shift cloud computing platform module, VoIP time shift cloud storage platform module and network communication module and terminal communicate; This system can realize adaptive coding, transcoding or decoding according to the coding/decoding capability at source and target terminal.
2. according to claim 1 based on the VoIP time shift telephone system of cloud computing; It is characterized in that: said VoIP time shift cloud computing platform module includes time shift cloud computing nucleus module unit; With time shift cloud computing nucleus module unit is the center, and the periphery is connecting Database Unit, Charging Detail Record unit, conversation control unit, time shift content management units, authentication unit, business support unit, time shift boundary element, session management unit and network management module unit.
3. like the said VoIP time shift telephone system based on cloud computing of claim 2, it is characterized in that: said VoIP time shift cloud storage platform module includes time shift recording elements, volume transcoding units, commentaries on classics decoding unit and the time shift cloud storage nucleus module unit that connects successively.
4. like the said VoIP time shift telephone system based on cloud computing of claim 3, it is characterized in that: the said cloud computing nucleus module unit that moves also is connected with the time shift cloud storage nucleus module unit of VoIP time shift cloud storage platform.
5. like each said VoIP time shift telephone system based on cloud computing among the claim 2-4, it is characterized in that: the control and the management of whole system is responsible in said time shift cloud computing nucleus module unit; Each required association of storage system operation is responsible in said DBM unit; Said time shift content managing module unit is used for the list of the audio frequency of required record and/or video data is made and management; Said authentication modular unit is used for identity and the rights management to normal access of voip user and time shift operation; Said time shift boundary element is responsible for the user's time-shift request interface is provided; And the performance and the operating position of whole system Internet resources are responsible for monitoring, controlling and write down in said network management module unit, and manage accordingly.
6. like the said VoIP time shift telephone system based on cloud computing of claim 5, it is characterized in that: said time shift is recorded modular unit and is responsible for recording audio frequency and/or video data in the communication process; Said volume transcoding modular unit is responsible for audio frequency after recording and/or video data are carried out compressed encoding or transcoding according to the compressed format and the code check parameter of system's appointment; Said commentaries on classics decoder module unit is responsible for carrying out decoding in advance or transcoding before data flow pushes according to the difference of decoding terminals ability; Said time shift cloud storage nucleus module unit is responsible for time shift required audio frequency and/or video data are carried out centralized stores and comprehensive management, and responsible time shift audio frequency and/or the video segment that the user is required is pushed to the user.
7. the VoIP time shift phone method based on cloud computing is characterized in that, comprises the steps:
S10: send time shifting request to the time shift cloud computing platform, the time shift cloud computing platform carries out replying the terminal behind the authentication to the user;
S11: set up and keep a time shift operation link;
S12: judge terminal type and carry out the time shift data to push.
8. like the said VoIP time shift phone method of claim 7, it is characterized in that said time shift operation comprises instant time shift and playback time shift dual mode based on cloud computing; Wherein, said instant time shift comprises the steps:
Instant time shifting request is sent to time shift cloud computing platform end in the terminal, and the time shift cloud computing platform carries out replying the terminal behind the authentication to the user;
Behind authentication, locate the audio frequency required in the time shift cloud storage platform module and/or the memory location of video segment, and carry out resource allocation;
Set up and keep a time shift operation with the terminal and link, judge that terminal type also carries out the time shift data and pushes, return normal talking after the instant time shift end.
9. like the said VoIP time shift phone method of claim 8, it is characterized in that said playback time shift comprises the steps: based on cloud computing
The terminal is searched needed audio frequency and/or video data fragment according to the time shift access interface of the cloud platform destination address visit VoIP time shift cloud computing platform end of appointment according to conversation each side's data and air time order information;
Time shift cloud computing platform end carries out replying the terminal behind the authentication to the user, behind authentication, locatees the audio frequency required in the time shift cloud storage platform module and/or the memory location of video segment, and carries out resource allocation;
Set up and keep a time shift operation with the terminal and link, judge that terminal type also carries out the time shift data and pushes, the playback time shift finishes the back and stops communicating by letter.
10. like the said VoIP time shift phone method of claim 9 based on cloud computing; It is characterized in that; When audio frequency that described time shift cloud computing platform end is sent at the reception sources terminal and/or video, can judge whether to encode or transcoding according to the source terminal type, wherein; For the coded audio and/or the video that meet the cloud memory requirement, no longer carry out encoding operation; And do not meet the cloud memory requirement for un-encoded or code check, then encode again or transcoding; And when the terminal pushes audio frequency and/or video data,, promptly have very strong decoding capability if termination function is stronger, then time shift cloud computing platform end was not decoded before pushing audio frequency and/or video data to the purpose terminal, but directly sent to the terminal; If termination function a little less than, cloudlike the terminal, then time shift cloud computing platform end will carry out self adaptation transcoding or decoding according to the objective network situation before pushing audio frequency and/or video data to the purpose terminal, sent to the purpose terminal then.
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