CN102149014A - Real-time audio and video information navigation method and system - Google Patents
Real-time audio and video information navigation method and system Download PDFInfo
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Abstract
The invention relates to the field of telecommunication and discloses a real-time audio and video information navigation method and a real-time audio and video information navigation system. The method comprises the following steps that: an audio and video navigation information releasing end acquires audio and video navigation information; the instant communication tool of the audio and video navigation information releasing end pushes the acquired audio and video navigation information to the instant communication tool of an audio and video navigation information receiving end; the audio and video navigation information receiving end receives, analyzes and shows the audio and video navigation information; and according to the positioning information of audio and video contents, the audio and video navigation information receiving end can further acquire the audio and video contents which are released by the audio and video navigation information releasing end from an audio and video data source, and decode and play the audio and video contents. By using the real-time communication characteristic of the instant communication tool, an audio and video program real-time navigation function which is similar to that of an electronic program guide is realized, and the audio and video contents can be extremely conveniently shared among a plurality of instant communication contacts in real time.
Description
Technical field
The present invention relates to the telecommunication field, relate in particular to the audio frequency and video mechanics of communication in the telecommunication field.
Background technology
Electronic program guides (English: Electronic program guide, be called for short: EPG).The user can see the more information of current program and following program by browse EPG on receiving equipments such as digital television and set-top box, such as programm name, channel, broadcast time etc., and the more detailed content that can select to watch each program.EPG broadcasts in digital TV transmission stream usually, also can be by special data channel transmission.
Instant messaging (Instant messaging is called for short IM) is a real-time communication system, allows two people or many people to use network instant transmission word message, file, voice and Video show.Most instant messaging service provides state information, shows Affiliates List, and contact person's presence.
Existing immediate communication tool mainly is the information such as presence that present the contact person, can not realize the function of the navigation broadcast of audio/video program.Though can realize the broadcast of point-to-point camera video chat and long-distance video file by immediate communication tool, but these functions are point-to-point video communication substantially, therefore do not have the audio frequency and video navigation feature, be not easy to realize audio-video frequency content sharing between a plurality of instant communication contacts.
The present inventor finds, with the distinctive real time communication characteristic of immediate communication tool, realizes the audio/video program real-time navigation function of similar electronic program guides, can realize audio-video frequency content sharing in real time between a plurality of instant communication contacts easily.
Summary of the invention
The object of the present invention is to provide a kind of real-time audio and video information navigation method and system, make things convenient for instant communication contact to obtain audio frequency and video navigation information and renewal thereof in real time, to realize audio/video program sharing in real time between instant communication contact.
For solving the problems of the technologies described above, the invention provides a kind of real-time audio and video information navigation method, may further comprise the steps:
Step S1: audio frequency and video navigation information issue end is gathered the audio frequency and video navigation information, and wherein the audio frequency and video navigation information comprises the descriptor and the locating information of audio-video frequency content;
Step S2: the instant messaging module of audio frequency and video navigation information issue end is pushed to the audio frequency and video navigation information of being gathered the instant messaging module of audio frequency and video navigation information receiving terminal;
Step S3: the instant messaging module of audio frequency and video navigation information receiving terminal receives the audio frequency and video navigation information;
Step S4: the parsing of audio frequency and video navigation information receiving terminal also presents the audio frequency and video navigation information.
Above-mentioned real-time audio and video information navigation method, further comprising the steps of:
Step S5, audio frequency and video navigation information receiving terminal is selected audio-video frequency content according to the audio frequency and video navigation information that presents;
Step S6, audio frequency and video navigation information receiving terminal sends the flow transmission request according to the locating information of selected audio-video frequency content to the audio, video data source;
Step S7, audio, video data source response flow transmission request sends the audio/video flow data by network transmission system to audio frequency and video navigation information receiving terminal;
Step S8, audio frequency and video navigation information receiving terminal receives, decoding, and playing audio-video data.
Above-mentioned real-time audio and video information navigation method, wherein the issue end of the audio frequency and video navigation information among the step S2 periodically is pushed to audio frequency and video navigation information and renewal thereof the audio frequency and video navigation information receiving terminal of instant communication contact.
Above-mentioned real-time audio and video information navigation method, wherein the issue of the audio frequency and video navigation information among step S2 end is pushed to the audio frequency and video navigation information audio frequency and video navigation information receiving terminal of instant communication contact when the audio frequency and video navigation information has renewal.
Above-mentioned real-time audio and video information navigation method, wherein the issue of the audio frequency and video navigation information among step S2 end in response, is pushed to audio frequency and video navigation information receiving terminal with the audio frequency and video navigation information in the request of audio frequency and video navigation information receiving terminal.
Above-mentioned real-time audio and video information navigation method, wherein the locating information of the audio-video frequency content among the step S6 is pointed to the IP address and the port in audio, video data source; Audio frequency and video navigation information receiving terminal obtains the IP address and the port in audio, video data source from the locating information of audio-video frequency content, and sends the flow transmission request according to resulting IP address and port to the audio, video data source.
Above-mentioned real-time audio and video information navigation method, wherein the locating information of the audio-video frequency content among the step S6 is pointed to the WEB server; Audio frequency and video navigation information receiving terminal is from the HTTP URL address that the locating information of audio-video frequency content is obtained audio-video frequency content, and sends the transmission request according to resulting HTTP URL address to the WEB server.
Above-mentioned real-time audio and video information navigation method, wherein the locating information of the audio-video frequency content among the step S6 is pointed to streaming media server; Audio frequency and video navigation information receiving terminal is from the Streaming Media URL address that the locating information of audio-video frequency content is obtained audio-video frequency content, and sends the flow transmission request according to resulting Streaming Media URL address to streaming media server.
Above-mentioned real-time audio and video information navigation method, wherein audio frequency and video navigation information issue end at first is pushed to instant communication server with the audio frequency and video navigation information, is pushed to the audio frequency and video navigation information receiving terminal of instant communication contact again with broadcast mode by instant communication server.
Above-mentioned real-time audio and video information navigation method, wherein audio frequency and video navigation information issue end directly is pushed to the audio frequency and video navigation information in point-to-point mode the audio frequency and video navigation information receiving terminal of instant communication contact.
This real-time audio and video information navigation system comprises the audio, video data source, audio frequency and video navigation information issue end, instant communication server, audio frequency and video navigation information receiving terminal, and network transmission system; Wherein the audio, video data source comprises audio-video collection equipment and audio/video flow sending module; Audio frequency and video navigation information issue end comprises instant messaging module and audio frequency and video navigation information release module; Audio frequency and video navigation information release module is used for gathering the audio frequency and video navigation information also by instant messaging module issue audio frequency and video navigation information from the audio, video data source; Audio frequency and video navigation information receiving terminal comprises the instant messaging module, and the audio frequency and video navigation information is handled module, and the audio frequency and video navigation information presents module; The audio frequency and video navigation information is handled module and is used for receiving by the instant messaging module, resolves the audio frequency and video navigation information, and extracts the locating information in audio, video data source.
This real-time audio and video information navigation system, wherein audio frequency and video navigation information receiving terminal also comprises the audio, video data receiver module, audio/video decoder, and audio/video player.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
The present invention has realized the audio frequency and video real-time navigation function of similar electronic program guides having solved real-time and convenience issue that audio-video frequency content is shared between instant communication contact by instant communicating system.Audio frequency and video navigation information issue end pushes the audio frequency and video navigation information by instant communicating system, and the instant communication contact of receiving terminal can obtain the audio-video frequency content tabulation in real time and upgrade.Because target group are instant communication contacts, to compare with traditional digital television navigation system, the audio frequency and video navigation information that is pushed has more specific aim and subscriber segmentation.By browsing the audio frequency and video navigation information, instant communication contact is location audio frequency and video Service Source further, and watches the audio/video program of being shared.
Description of drawings
Fig. 1 is a real-time audio and video information navigation flow process of the present invention;
Fig. 2 is audio frequency and video of the present invention location and playing flow;
Fig. 3 is the real-time audio and video information navigation system structural representation of first embodiment of the invention;
Fig. 4 is the real-time audio and video information navigation system detailed structure schematic diagram of first embodiment of the invention;
Fig. 5 is the real-time network video navigation system structural representation of second embodiment of the invention;
Fig. 6 is the real-time network video navigation flow process of second embodiment of the invention;
Fig. 7 is the real time flow medium navigation system structural representation of third embodiment of the invention;
Embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.
But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each execution mode, also can realize each claim of the present invention technical scheme required for protection.
For making the purpose, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 show the flow process and the step of real-time audio and video information navigation method of the present invention.According to Fig. 3 and Fig. 4, the system of the first embodiment of the present invention comprises audio, video data source 100, audio frequency and video navigation information issue end 200, instant communication server 300, network transmission system 400, and audio frequency and video navigation information receiving terminal 500;
Audio, video data source 100 comprises audio-video collection equipment 101 and audio/video flow sending module 102; Audio-video collection equipment 101 is used for from satellite television receiver, the TV capture card, and video camera, microphone is gathered audio, video data and is sent to audio/video flow sending module 102 in the audio frequency and video input equipments such as audio-video document.Audio/video information navigation issue end 200 comprises audio frequency and video navigation information release module 201, and instant messaging module 202; Audio frequency and video navigation information release module 201 is 100 collection audio frequency and video navigation informations from the audio, video data source, and wherein the audio frequency and video navigation information comprises the descriptor and the locating information of audio-video frequency content, and by instant messaging module 202 issue audio frequency and video navigation informations;
Audio/video information navigation receiving terminal 500 comprises instant messaging module 501, and the audio frequency and video navigation information is handled module 502, and the audio frequency and video navigation information presents module 503, audio/video flow receiver module 504, audio/video decoder 505, and audio/video player 506; Wherein audio frequency and video navigation information processing module 502 is used for receiving and resolve the audio frequency and video navigation information by instant messaging module 501, and the locating information of extracting audio-video frequency content;
The instant messaging module 202 that is positioned at audio frequency and video navigation information issue end 200 is set up information by instant communication server 300 and other instant communication contacts 500,600 with 700 grades and is connected.Audio frequency and video navigation information issue end 200 at first sends to instant communication server 300 by instant messaging module 202 with the audio frequency and video navigation information that collects, instant communication server 300 is pushed to the audio frequency and video navigation information of being received the audio frequency and video navigation information receiving terminal 500 of a plurality of instant communication contacts with the forms of broadcasting, 600,700 etc.According to network condition, audio frequency and video navigation information issue end 200 also can directly be pushed to the audio frequency and video navigation information in point-to-point mode the audio frequency and video navigation information receiving terminal of instant communication contact.
With audio/video information navigation receiving terminal 500 is example, and its instant messaging module 501 receives the audio frequency and video navigation information.Because being broken at audio frequency and video navigation information issue end 200, the audio frequency and video navigation information is adapted at instant communicating system data packets for transmission form, so need in audio/video information navigates processing module 502, resolve the audio frequency and video navigation information packet that receives, present the descriptor that module 503 presents audio frequency and video by the audio frequency and video navigation information again.Instant communication contact is according to the literal of the audio frequency and video that present, and the audio-video frequency content that the selection of descriptors such as figure or image will be play is handled the locating information that module 502 is extracted audio-video frequency contents by the audio frequency and video navigation information; Locating information can directly comprise, and also can point to indirectly, and the IP address and the port in the audio, video data source of audio-video frequency content is provided.Like this, audio frequency and video navigation information receiving terminal can further be located audio-video frequency content institute address stored according to locating information.
Audio frequency and video navigation information receiving terminal 500 sends the flow transmission request according to the IP address and the port in resulting audio, video data source 100 to audio, video data source 100; The 100 response flow transmission request of audio, video data source sends the audio/video flow data by stream sending module 102 and network transmission system 400 to audio frequency and video navigation information receiving terminal 500; Audio frequency and video navigation information receiving terminal 500 receives audio/video flow by audio/video flow receiver module 504, and decodes by 505 pairs of audio frequency and video of audio/video decoder, and by audio/video player 506 playing audio-videos;
The second embodiment of the present invention is as shown in Figure 5 and Figure 6:
Internet video navigation information issue end 20 obtains the video Program guide (being the audio frequency and video navigation informations) that will share from WEB server 10, and video Program guide is generated by the video file in the video memory 11 of WEB server 10.Video Program guide comprises the list of videos that will share, wherein each in the tabulation comprises the descriptor of video frequency program and the locating information of video, i.e. the HTTP of video (HypertextTransfer Protocol) URL (Uniform Resource Locator).The immediate communication tool of Internet video navigation information issue end 20 is pushed to its instant communication contact 50,60 and 70 with video Program guide by instant communication server 300.Internet video navigation information receiving terminal 50,60 and 70 presents the title of the video frequency program in the received video Program guide tabulation, author, text description information and video interception such as note.Selected video is downloaded gradually and play to the instant communication contact of Internet video navigation information receiving terminal 50,60,70 by HTTP transmission system 40 from WEB server 10 after selecting the interested video frequency program of institute.
The third embodiment of the present invention is as shown in Figure 7:
The immediate communication tool of Streaming Media navigation information issue end 21 is pushed to the Streaming Media navigation information of being gathered respectively by instant communication server 300 the Streaming Media navigation information receiving terminal 51,61 and 71 of its instant communication contact.The instant communication contact of Streaming Media navigation information receiving terminal can be browsed current the rendition list, also can be to Streaming Media navigation information issue end more the rendition list of 21 acquisition request and program request institute programs of interest.Because the locating information of Streaming Media navigation information is pointed to streaming media server 13, Streaming Media navigation information receiving terminal can obtain the Streaming Media URL address of audio-video frequency content according to locating information, such as RTSP (RealTime Streaming Protocol) address.Streaming Media navigation information receiving terminal sends the flow transmission request according to resulting Streaming Media URL address to streaming media server 13.Streaming media server 13 responds and passes through stream media transmission system 41 to Streaming Media navigation information receiving terminal transmission tone video flowing by Streaming Media sending module 15.Stream media transmission system can use RTP host-host protocols such as (Real-time Transport Protocol).Streaming Media navigation information receiving terminal receives, decoding and playing audio-video stream.Compare with the HTTP downloading mode of WEB server, streaming media server is stronger to the random access support of audio/video flow.Common streaming media server comprises the RTSP server, MMS (Microsoft Media Server protocol) server, and RTMP (Real Time Messaging Protocol) server etc.;
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Need to prove that each module of mentioning in each execution mode of the present invention all is a logical block: module of the present invention or calculation procedure can concentrate on the single calculation element, also can be distributed on the calculation element that is connected by network to realize.Physically, a logical block can be a physical location, it also can be the part of a physical location, can also realize with the combination of a plurality of physical locations, the physics realization mode of these logical blocks itself is not most important, and the combination of the function that these logical blocks realized is the key that just solves technical problem proposed by the invention.In addition, for outstanding innovation part of the present invention, the respective embodiments described above of the present invention will not introduced not too close unit with solving technical problem relation proposed by the invention, and this does not show that there is not other unit in above-mentioned execution mode.
Claims (12)
1. real-time audio and video information navigation method is characterized in that: may further comprise the steps,
Step S1: audio frequency and video navigation information issue end is gathered the audio frequency and video navigation information, and wherein the audio frequency and video navigation information comprises the descriptor and the locating information of audio-video frequency content;
Step S2: the instant messaging module of audio frequency and video navigation information issue end is pushed to the audio frequency and video navigation information of being gathered the instant messaging module of audio frequency and video navigation information receiving terminal;
Step S3: the instant messaging module of audio frequency and video navigation information receiving terminal receives the audio frequency and video navigation information;
Step S4: the parsing of audio frequency and video navigation information receiving terminal also presents the audio frequency and video navigation information.
2. real-time audio and video information navigation method according to claim 1 is characterized in that: further comprising the steps of, and step S5, audio frequency and video navigation information receiving terminal is selected audio-video frequency content according to the audio frequency and video navigation information that presents; Step S6, audio frequency and video navigation information receiving terminal sends the flow transmission request according to the locating information of selected audio-video frequency content to the audio, video data source; Step S7, audio, video data source response flow transmission request sends the audio/video flow data by network transmission system to audio frequency and video navigation information receiving terminal; Step S8, audio frequency and video navigation information receiving terminal receives, decoding, and playing audio-video data.
3. real-time audio and video information navigation method according to claim 1 is characterized in that: audio frequency and video navigation information among step S2 issue end periodically is pushed to audio frequency and video navigation information and renewal thereof the audio frequency and video navigation information receiving terminal of instant communication contact.
4. real-time audio and video information navigation method according to claim 1 is characterized in that: the audio frequency and video navigation information issue end among the step S2 is pushed to the audio frequency and video navigation information audio frequency and video navigation information receiving terminal of instant communication contact when the audio frequency and video navigation information has renewal.
5. real-time audio and video information navigation method according to claim 1, it is characterized in that: the audio frequency and video navigation information issue end among the step S2 is in the request of audio frequency and video navigation information receiving terminal, in response, the audio frequency and video navigation information is pushed to audio frequency and video navigation information receiving terminal.
6. real-time audio and video information navigation method according to claim 2 is characterized in that: the locating information of the audio-video frequency content among the step S6 is pointed to the IP address and the port in audio, video data source; Audio frequency and video navigation information receiving terminal obtains the IP address and the port in audio, video data source from the locating information of audio-video frequency content, and sends the flow transmission request according to resulting IP address and port to the audio, video data source.
7. real-time audio and video information navigation method according to claim 2 is characterized in that: the locating information of the audio-video frequency content among the step S6 is pointed to the WEB server; Audio frequency and video navigation information receiving terminal is from the HTTP URL address that the locating information of audio-video frequency content is obtained audio-video frequency content, and sends the transmission request according to resulting HTTP URL address to the WEB server.
8. real-time audio and video information navigation method according to claim 2 is characterized in that: the locating information of the audio-video frequency content among the step S6 is pointed to streaming media server; Audio frequency and video navigation information receiving terminal is from the Streaming Media URL address that the locating information of audio-video frequency content is obtained audio-video frequency content, and sends the flow transmission request according to resulting Streaming Media URL address to streaming media server.
9. according to claim 3 or 4 or 5 described real-time audio and video information navigation methods, it is characterized in that: audio frequency and video navigation information issue end at first is pushed to instant communication server with the audio frequency and video navigation information, is pushed to the audio frequency and video navigation information receiving terminal of instant communication contact again with broadcast mode by instant communication server.
10. according to claim 3 or 4 or 5 described real-time audio and video information navigation methods, it is characterized in that: audio frequency and video navigation information issue end directly is pushed to the audio frequency and video navigation information in point-to-point mode the audio frequency and video navigation information receiving terminal of instant communication contact.
11. a real-time audio and video information navigation system is characterized in that:
Comprise the audio, video data source, audio frequency and video navigation information issue end, instant communication server, audio frequency and video navigation information receiving terminal, and network transmission system; Wherein the audio, video data source comprises audio-video collection equipment and audio/video flow sending module; Audio frequency and video navigation information issue end comprises instant messaging module and audio frequency and video navigation information release module; Audio frequency and video navigation information release module is used for gathering the audio frequency and video navigation information also by instant messaging module issue audio frequency and video navigation information from the audio, video data source; Audio frequency and video navigation information receiving terminal comprises the instant messaging module, and the audio frequency and video navigation information is handled module, and the audio frequency and video navigation information presents module; The audio frequency and video navigation information is handled module and is used for receiving by the instant messaging module, resolves the audio frequency and video navigation information, and extracts the locating information in audio, video data source.
12. real-time audio and video information navigation system according to claim 11 is characterized in that: described audio frequency and video navigation information receiving terminal also comprises the audio, video data receiver module, audio/video decoder, and audio/video player.
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| CN 201010107392 CN102149014B (en) | 2010-02-09 | 2010-02-09 | Real-time audio and video information navigation method and system |
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