CN101360114A - Multimedia system providing real-time scene and implementing method thereof - Google Patents
Multimedia system providing real-time scene and implementing method thereof Download PDFInfo
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- CN101360114A CN101360114A CNA2008102143150A CN200810214315A CN101360114A CN 101360114 A CN101360114 A CN 101360114A CN A2008102143150 A CNA2008102143150 A CN A2008102143150A CN 200810214315 A CN200810214315 A CN 200810214315A CN 101360114 A CN101360114 A CN 101360114A
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Abstract
The invention discloses a multimedia system for providing real-time scenes as well as an implementation method thereof, wherein, a built-in IMS client software module and a multimedia information server are arranged in a mobile terminal additionally, so the mobile terminal can transmit the recorded multimedia information to the multimedia information server in real time and then send the multimedia information to a communication terminal customizing real-time multimedia information services by the multimedia information server according to predetermined distribution strategies, thus, users customizing the information services or watching multimedia information can watch events at the scene reported and released by others the first time in real time. The invention can enrich the value-added services of mobile communications, expand the channels for releasing the multimedia information, and facilitate others to know various events at the scene in time.
Description
Technical field
The present invention relates to the multimedia technology of wireless communication field, relate in particular to a kind of multimedia system and its implementation that real-time scene is provided.
Background technology
Third generation code division multiple access (CDMA2000) along with wireless communication field, Wideband Code Division Multiple Access (WCDMA) (WCDMA), TD SDMA (TD-SCDMA), 3G (Third Generation) Moblie Long Term Evolution (3GLTE), Wireless Fidelity (Wi-Fi, Wireless Fidelity), the quickening of the technology commercialization process of micro-wave access global inter communication networks such as (WiMAX), in mobile broadbandization and broadband mobile Study on Technology process, emerged a large amount of achievements in research, the achievement in research of a lot of raising network transmission performances wherein and raising communication terminal disposal ability has been transformed in the practicality, thereby make by mobile communication network transmission audio frequency, multimedia messagess such as video become a reality, and are that portable terminal is then being born the information source of multimedia messages or the role of information sink as the user node of radio communication Access Network side.
The realization transmission of current existing a lot of different systems or the portable terminal of receiving multimedia information, multimedia messagess such as the picture of all can the user is captured by portable terminal or recording, audio frequency, video send other mobile phone users to and share, or described multimedia messages uploaded on the Internet browse, download for other users.But this use portable terminal carries out the process of multimedia messages transmission can not be finished by the mode of real-time Transmission.In addition, existing can the transmission in the multimedia system of real-time scene, gathering and make the need of work of contents such as audio frequency, video just can finish by specialized apparatus and network, the cost of the on-the-spot real-time multimedia information transmission manner of this realization is too high, and this special equipment also needs the professional and technical personnel to carry out operation and maintenance, therefore, do not possess the condition of popularizing to the personal user.
At present, along with the continuous development of IP Multimedia System (IMS, IP Multi-media Subsystem) networking and 3G LTE technology etc., wireless core network and wireless access network have all possessed the disposal ability that real time high-speed transmits multimedia messages.And in actual life, the mobile service consumer groups such as many high-end users and young user also have this link communication network to carry out report alive and send the service needed of on-the-spot multimedia messages.Here, described IMS is based on the general-purpose platform of Session initiation Protocol (SIP, Session Initiation Protocol), can support the plurality of access modes of fixed terminal and portable terminal simultaneously, realizes the fusion of fixed network and mobile network.
Therefore, provide a kind of multimedia system that can transmit real-time scene to be necessary.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of multimedia system and its implementation that real-time scene is provided, make portable terminal can gather and send on-the-spot multimedia messages in real time, simultaneously, make wireless network user and Internet user can watch the multimedia messages content that described portable terminal is recorded in real time.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of multimedia system that real-time scene is provided, this system is under the wireless communication network environments, and this system comprises: portable terminal, multimedia message server and a plurality of communication terminal; Wherein,
Portable terminal is used to gather real-time multimedia messages, and described multimedia messages is sent to multimedia message server by cordless communication network;
Multimedia message server is used for receiving the real-time multimedia messages that described portable terminal is gathered by cordless communication network, and described multimedia messages is distributed to communication terminal;
Communication terminal is used for receiving and play described real-time multimedia messages from described multimedia message server.
Wherein, described portable terminal, inside comprise IP Multimedia System IMS client software module, are used for by cordless communication network carrying IP, realize the operation flow of IMS session, comprise and support SIP SIP, realtime transmission protocol RTP and coding and decoding function.
Described multimedia message server is forwarded to television broadcasting service centre with described multimedia messages, utilizes the multi-medium broadcast/group broadcast technology to send to the communication terminal that has customized real-time MMS (Multimedia Message Service); Perhaps multimedia message server directly sends to the communication terminal of the service that customized by calling through the IMS core net; Perhaps multimedia message server is distributed to the Internet with received on-the-spot multimedia messages, and the Internet user watches described multimedia messages.
After the real-time MMS (Multimedia Message Service) of described communication terminal customization, receive and play described multimedia messages by Web broadcast/multicast mode or the mode by Streaming Media; The Internet user can watch the multimedia messages at described in progress scene by intelligent communications terminals such as personal computer, notebook, PDA.
Described multimedia system further comprises:
Content editing work station is edited and is examined real-time multimedia messages before being used for distributing by multimedia message server, and be described real-time multimedia messages subtitling, the function of interpolation rolling news message.
A kind of multimedia system implementation method that real-time scene is provided, this method comprises:
A, portable terminal are dialled and are multimedia message server, the session contact between foundation and described multimedia message server;
The multimedia messages of B, described portable terminal collection site sends to described multimedia message server in real time;
C, described multimedia message server receive described multimedia messages, distribute described multimedia messages according to collocation strategy in advance;
D, communication terminal receive and play described multimedia messages in real time from described multimedia message server.
Wherein, the described portable terminal of steps A is set up the session contact with described multimedia message server, be specially: described portable terminal is dialed the Number for access of multimedia message server, and transmission sip message INVITE, initiate the SIP session with the SIP signaling protocol, described portable terminal is set up session by IMS core net and described multimedia message server with the sip message alternant way according to Session Initiation Protocol, and confirms the transmission parameters of wanting.
The multimedia messages of the described portable terminal collection site of step B sends to described multimedia message server in real time, be specially: described portable terminal uses RTP/RTCP Real-time Transport Control Protocol RTP/RTCP, the audio-frequency unit of described multimedia messages is converted to the audio frequency media message transmits; The video section of described multimedia messages is converted to the video media message to be transmitted.
According to G.711, G723 or according to the coded system of adaptive multi-rate ARM the audio-frequency unit of described multimedia messages is converted to the audio frequency media message and transmits; According to the coded system of H.263 agreement, Motion Picture Experts Group's mpeg 4 standard the video section of described multimedia messages being converted to the video media message transmits.
Wherein, the described multimedia message server of step C is distributed described multimedia messages according to collocation strategy in advance, be specially: described multimedia messages is forwarded to television broadcasting service centre, utilizes the multi-medium broadcast/group broadcast technology to send to the communication terminal that has customized real-time MMS (Multimedia Message Service); Perhaps directly send to the communication terminal of the service that customized by calling through the IMS core net by multimedia message server; Perhaps received on-the-spot multimedia messages is distributed to the Internet, the Internet user watches described multimedia messages.
Communication terminal receives and plays described multimedia messages in real time from described multimedia message server, be specially: customize the communication terminal of real-time MMS (Multimedia Message Service), receive and play described multimedia messages by Web broadcast/multicast mode or the mode by Streaming Media; The Internet user can watch the multimedia messages at described in progress scene by intelligent communications terminals such as personal computer, notebook, PDA.
Multimedia system and its implementation that real-time scene is provided provided by the present invention has the following advantages:
The present invention is by to the portable terminal built-in IMS client software module and the mode of setting up multimedia message server in network, realized a kind of technology of finishing real-time on-the-spot multimedia messages transmission by portable terminal, make other users can be by the mode that customizes real-time MMS (Multimedia Message Service) in advance or watch multimedia messages, by described multimedia message server to described user's communications terminal distributing multimedia information, reach the effect of the content of watching described multimedia messages in real time.The present invention need not transform core net, Radio Access Network, only needs to use the portable terminal that can shoot with video-corder audio frequency, video the on-the-spot multimedia messages of required issue can be reported each user who customizes this service at the moment.Use the present invention, not only enriched the value-added service of radio communication, attract the user to use, and expanded the publication channel of various multimedia messagess, because it is simple to operate, everybody all can experience this information published method as reporter's line report, allows other people in time understand various live event easily.
Description of drawings
Fig. 1 is the schematic network structure of multimedia system in the embodiment of the invention;
Fig. 2 is for portable terminal collection in the embodiment of the invention and send the logical process process schematic diagram of real-time multimedia messages.
Embodiment
Below in conjunction with accompanying drawing and embodiments of the invention method of the present invention is described in further detail.
Fig. 1 is the schematic network structure of multimedia system in the embodiment of the invention, as shown in Figure 1, this multimedia system is in the cordless communication network and inserts Internet (Internet), described multimedia system comprises that the portable terminal 101, multimedia message server 102, content editing workstation1 03 and the multi-section that are used to gather and send multimedia messages are used for the communication terminal 104 of receiving multimedia information etc.Here, described cordless communication network comprises wireless access network, IMS core net; Described IMS core net comprises packet switch (PS, Packet Switch) territory.Described communication terminal comprises the fixed network that inserts the Internet and microcomputer, notebook, PDA(Personal Digital Assistant), video telephone and the portable terminal etc. of wireless network.Wherein,
Portable terminal 101 is used for the multimedia messages of collection site, and the multimedia messages of being gathered is transmitted to multimedia message server 102 by wireless access network, IMS core net.
Here, described portable terminal 101 includes microphone, the first-class parts of making a video recording, and inside comprises IMS client software module.Use the Internet protocol (IP) of described software module, realize the operation flow of IMS session, comprise functions such as supporting SIP (SIP), real-time transport protocol (rtp), media coding decoding by the cordless communication network carrying.The microphone that described portable terminal uses, camera are along with the class of portable terminal and developing stage is different, the bit rates of the pickup effect of microphone, sensitivity, the audio frequency of gathering etc. all can be different, and the pixel of camera, the frame frequency of gathering video information and accuracy etc. also can be different.The quality of the picture of shooting with video-corder in order to improve, this portable terminal can also external high-resolution camera.
In addition, described portable terminal 101 can also guarantee the needs of the long-time electricity consumption of described portable terminal by the mode of plug into external power supply or high-capacity battery if need the long period to be operated under the states such as wireless signal transmitting-receiving, collection audio frequency and video, coding and decoding.
Here, described multimedia message server 102 is connected with portable terminal 101 by IMS core net, wireless access network; Described wireless access network is used for carrying and transmit IP message; Described IMS core net is that described multimedia message server 102 distributes an access code or protocol address, when described portable terminal 101 is dialed this access code or protocol address when described multimedia message server 102 initiates a session request, described IMS core net is given described multimedia message server 102 with the session forwards, after communication was set up, the real-time multimedia messages that portable terminal 101 is gathered was sent to described multimedia message server 102 by wireless access network, IMS core net.
Described multimedia message server 102 can also be the form that described communication terminal is supported with described multimedia messages format conversion according to the difference of the communication terminal that customizes real-time MMS (Multimedia Message Service).
Content editing workstation1 03 is edited and is examined real-time multimedia messages before being used for distributing by multimedia message server 102, and can be described real-time multimedia messages subtitling, add contents such as rolling news message.
Fig. 2 is for portable terminal collection in the embodiment of the invention and send the logical process process schematic diagram of real-time multimedia messages, and as shown in Figure 2, this process comprises:
Step 201: after portable terminal is chosen the scene, dial and be multimedia message server, set up session contact.
Here, described portable terminal is dialled and is made multimedia message server set up session contact, be specially: portable terminal is dialed the Number for access of multimedia message server, send sip message INVITE, initiate a SIP session with the SIP signaling protocol, according to Session Initiation Protocol, portable terminal is set up session by IMS core net and described multimedia message server with the sip message alternant way, and confirms the parameters such as multimedia form that will transmit.
The Number for access that described portable terminal is dialed is that described multimedia message server distributes by the IMS core net, and the process of session is set up in dialing, also is the process of addressing, foundation and multimedia message server annexation.Set up the used signaling of session, realize by existing Session Initiation Protocol, Session Description Protocol (SDP) etc.
Step 202: after session was set up, sound and video information that microphone on the described portable terminal and camera begin collection site were multimedia messages, send to multimedia message server in real time.
Here, described portable terminal sends multimedia messages in real time in the process of described multimedia message server, use RTP/agreements (RTP/RTCP) such as real-time Transmission control, the coding of described audio frequency can be according to G.711, G.723 agreement be carried out in the mode of pulse code modulation (pcm), also can carry out, and transmit the audio frequency media message of selected form according to the audio coding or the alternate manner of adaptive multi-rate (AMR); Described video can carry out in the mode of agreement, Motion Picture Experts Group's video codings such as (MPEG4, MovingPicture Experts Group) H.263, and transmits the video media message.
Step 203: described multimedia message server receives described multimedia messages, distributes described multimedia messages according to collocation strategy in advance.
Here, multimedia message server is according to pre-configured strategy, include but not limited to following mode: described multimedia messages is forwarded to television broadcasting service centre with IP message or other form, utilizes multi-medium broadcast/group broadcast technology (MBMS) to send to the communication terminal that has customized real-time MMS (Multimedia Message Service); Perhaps directly send to the communication terminal of the service that customized by calling through the IMS core net by multimedia message server; Also can be distributed to the Internet to received on-the-spot multimedia messages by IP network, the Internet user can watch described multimedia messages.
Before distributing, can as required the on-the-spot multimedia messages that receives be sent to content editing work station by IP network, multimedia messages be carried out online editing, audit by content editing work station, and, can also select described multimedia messages is preserved.Here, described editor just handles described multimedia messages through multimedia message server simply, with auxiliary readability, the sight that strengthens the multimedia messages content, such as, increase captions, intercut comment etc.; Described audit is that the content of described multimedia messages is carried out online audit, so that in time cut off or the deletion related content during content of finding to be not suitable for broadcasting.When in described content editing work station, multimedia messages being carried out online editing, audit, permission is carried out delay process to the multimedia messages of intending playing, be beneficial to edit, auditor's operation, but the time that time-delay is play is unsuitable long, and this operation can also utilize the time of camera lens playback to carry out.In a word, guarantee the content smoothness play to make the spectators of this multimedia messages of rating not feel that playing process has obvious interruption to be advisable.
Step 204: customized the communication terminal of real-time Multimedia Messaging Service, received and play the multimedia messages content that described multimedia message server sends.
Here, the mode that receives and play includes but not limited to following several: the described communication terminal that has customized real-time MMS (Multimedia Message Service), can Web broadcast/multicast mode or the mode of Streaming Media receive and play described multimedia messages; The Internet user can watch the multimedia messages at described in progress scene by intelligent communications terminals such as personal computer, notebook, PDA.
Step 205: on-the-spot portable terminal finishes the session with described multimedia message server, and described real-time multimedia messages transmits and finishes, and correspondingly, described communication terminal also is through with and receives the process of described multimedia messages.
Here, after on-the-spot portable terminal had been finished collection in worksite, the sip message (BYE) that sends end session finished this session to multimedia message server, defers to the Session Initiation Protocol flow process between portable terminal and the multimedia message server.
Described multimedia message server is by wireless network, and using MBMS channel notification receiving terminal is that communication terminal finishes this process.
Among the described embodiment, core net is applicable to 3G (Third Generation) Moblie partner plan (3GPP) IMS territory, 3GPP2 multimedia domain, MMD (MMD) and the 4th third-generation mobile communication system more advanced high speed wireless communications networks such as (4G); Cordless communication network is applicable to that networks such as CDMA2000, WCDMA, LTE, Wi-Fi, WiMAX, TD-SCDMA and other can support the network of the different systems of the required bandwidth of transmitting multimedia information; Used portable terminal can be single mode or a multi-module mobile terminal of supporting above-mentioned one or more standards.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (11)
1, a kind of multimedia system that real-time scene is provided, this system is under the wireless communication network environments, it is characterized in that, and this system comprises: portable terminal, multimedia message server and a plurality of communication terminal; Wherein,
Portable terminal is used to gather real-time multimedia messages, and described multimedia messages is sent to multimedia message server by cordless communication network;
Multimedia message server is used for receiving the real-time multimedia messages that described portable terminal is gathered by cordless communication network, and described multimedia messages is distributed to communication terminal;
Communication terminal is used for receiving and play described real-time multimedia messages from described multimedia message server.
2, multimedia system according to claim 1, it is characterized in that, described portable terminal, inside comprises IP Multimedia System IMS client software module, be used for by cordless communication network carrying IP, realize the operation flow of IMS session, comprise and support SIP SIP, realtime transmission protocol RTP and coding and decoding function.
3, multimedia system according to claim 1, it is characterized in that, described multimedia message server is forwarded to television broadcasting service centre with described multimedia messages, utilizes the multi-medium broadcast/group broadcast technology to send to the communication terminal that has customized real-time MMS (Multimedia Message Service); Perhaps multimedia message server directly sends to the communication terminal of the service that customized by calling through the IMS core net; Perhaps multimedia message server is distributed to the Internet with received on-the-spot multimedia messages, and the Internet user watches described multimedia messages.
4, multimedia system according to claim 3 is characterized in that, after the real-time MMS (Multimedia Message Service) of described communication terminal customization, receives and play described multimedia messages by Web broadcast/multicast mode or the mode by Streaming Media; The Internet user can watch the multimedia messages at described in progress scene by intelligent communications terminals such as personal computer, notebook, PDA.
5, according to claim 1 or 3 described multimedia systems, it is characterized in that described multimedia system further comprises:
Content editing work station is edited and is examined real-time multimedia messages before being used for distributing by multimedia message server, and be described real-time multimedia messages subtitling, the function of interpolation rolling news message.
6, a kind of multimedia system implementation method that real-time scene is provided is characterized in that this method comprises:
A, portable terminal are dialled and are multimedia message server, the session contact between foundation and described multimedia message server;
The multimedia messages of B, described portable terminal collection site sends to described multimedia message server in real time;
C, described multimedia message server receive described multimedia messages, distribute described multimedia messages according to collocation strategy in advance;
D, communication terminal receive and play described multimedia messages in real time from described multimedia message server.
7, method according to claim 6, it is characterized in that, the described portable terminal of steps A is set up the session contact with described multimedia message server, be specially: described portable terminal is dialed the Number for access of multimedia message server, and transmission sip message INVITE, initiate the SIP session with the SIP signaling protocol, described portable terminal is set up session by IMS core net and described multimedia message server with the sip message alternant way according to Session Initiation Protocol, and confirms the transmission parameters of wanting.
8, method according to claim 6, it is characterized in that, the multimedia messages of the described portable terminal collection site of step B sends to described multimedia message server in real time, be specially: described portable terminal uses RTP/RTCP Real-time Transport Control Protocol RTP/RTCP, the audio-frequency unit of described multimedia messages is converted to the audio frequency media message transmits; The video section of described multimedia messages is converted to the video media message to be transmitted.
9, method according to claim 8 is characterized in that, according to G.711, G723 or according to the coded system of adaptive multi-rate ARM the audio-frequency unit of described multimedia messages is converted to the audio frequency media message and transmits; According to the coded system of H.263 agreement, Motion Picture Experts Group's mpeg 4 standard the video section of described multimedia messages being converted to the video media message transmits.
10, method according to claim 6, it is characterized in that, the described multimedia message server of step C is distributed described multimedia messages according to collocation strategy in advance, be specially: described multimedia messages is forwarded to television broadcasting service centre, utilizes the multi-medium broadcast/group broadcast technology to send to the communication terminal that has customized real-time MMS (Multimedia Message Service); Perhaps directly send to the communication terminal of the service that customized by calling through the IMS core net by multimedia message server; Perhaps received on-the-spot multimedia messages is distributed to the Internet, the Internet user watches described multimedia messages.
11, method according to claim 10, it is characterized in that, communication terminal receives and plays described multimedia messages in real time from described multimedia message server, be specially: customize the communication terminal of real-time MMS (Multimedia Message Service), receive and play described multimedia messages by Web broadcast/multicast mode or the mode by Streaming Media; The Internet user can watch the multimedia messages at described in progress scene by intelligent communications terminals such as personal computer, notebook, PDA.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102143150A CN101360114A (en) | 2008-08-22 | 2008-08-22 | Multimedia system providing real-time scene and implementing method thereof |
| PCT/CN2009/073407 WO2010020193A1 (en) | 2008-08-22 | 2009-08-21 | Multimedia system for providing real-time scene and implementing method thereof |
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| CNA2008102143150A CN101360114A (en) | 2008-08-22 | 2008-08-22 | Multimedia system providing real-time scene and implementing method thereof |
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