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Method, system and device for medium control

A media control and media technology, applied in the field of communication, can solve problems such as inability to meet business flexible control requirements, inability to synchronize VCR operations, etc.

Active Publication Date: 2012-12-12
SNAPTRACK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology cannot perform synchronous VCR operations on some of all content delivery channels, and cannot meet the flexible control requirements of the business

Method used

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  • Method, system and device for medium control
  • Method, system and device for medium control
  • Method, system and device for medium control

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0050] Example 1 of the session-level attribute line is as follows:

[0051] a=control:rtsp: / / foo / twister

[0052] m=audio 1306 RTP / AVP 0 / / Media line describing audio media delivery channel

[0053] m=video 1308 RTP / AVP 26 / / Describe the media line of the video media delivery channel

[0054] m=application 9TCP iptv_rtsp / / Describe the media line of the media control channel

[0055] a=fmtp:rtsp h-uri=rtsp: / / foo / twister

[0056] Among them, the "a=control:" attribute line is used as a session-level attribute, indicating the media stream synchronization control corresponding to the audio and video media delivery channels, and the media control information is the media control corresponding to the RTSP URL in the attribute line being rtsp: / / foo / twister The description information of the channel includes one or more of the media line, attribute line, RTSP session attribute line, and RTSP media stream identification attribute line of the media control channel, and...

example 2

[0057] Example 2 of the media-level attribute line is as follows:

[0058] m=audio 1306RTP / AVP 0 / / Describe the media line of the audio media delivery channel

[0059] a=control:rtsp: / / foo / twister

[0060] m=video 1308 RTP / AVP 26 / / Describe the media line of the video media delivery channel

[0061] a=control:rtsp: / / foo / twister

[0062] m=text 1310 RTP / AVP wb / / Describe the media line of the text media delivery channel

[0063] m=application 9TCP iptv_rtsp / / Describe the media line of the media control channel

[0064] a=fmtp:rtsp h-uri=rtsp: / / foo / twister

[0065] Among them, the "a=control:" attribute line is used as a media-level attribute, indicating that the media control information corresponding to the audio and video media delivery channel is the description information of the media control channel corresponding to the RTSP URL in the attribute line, rtsp: / / foo / twister, It includes one or more of the media line, attribute line, RTSP session attribu...

example 3

[0066] Example 3 of the media-level attribute line is as follows:

[0067] m=audio 1306 RTP / AVP 0 / / Describe the media line of the audio media delivery channel

[0068] a=control:rtsp: / / foo / twister / audio

[0069] m=video 1308RTP / AVP 26 / / Describe the media line of the video media delivery channel

[0070] a=control:rtsp: / / foo / twister / video

[0071] m=application 9TCP iptv_rtsp / / Describe the media line of the media control channel

[0072] a=fmtp:rtsp h-uri=rtsp: / / foo / twister / audio

[0073] m=application 11 TCP iptv_rtsp / / Describe the media line of the media control channel

[0074] a=fmtp:rtsp h-uri=rtsp: / / foo / twister / video

[0075] Wherein, "m=audio" is an audio media row, and "a=control:rtsp: / / foo / twister / audio" is an attribute row for separately controlling the audio media stream corresponding to the audio media row; "m=video" is a video media row, and "a=control:rtsp: / / foo / twister / video" is an attribute row for individually controlling the video ...

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Abstract

The invention discloses a method for obtaining IPTV service medium description information, which comprises the following steps: receiving SIP requests of obtaining medium description information which is sent by user terminals through a core IMS by a network side device, wherein the requests comprise content marks, carrying the medium description information corresponding to the content marks in an SIP response message by the network side device, and sending to the user ends through the core IMS. The method obtains the medium description information to realize dialog building of COD services through the SIP message.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a method, system and equipment for realizing media control. Background technique [0002] IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) is WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access) that was initially added in the R5 phase of 3GPP (3rd Generation Partnership Project, third-generation mobile communication standardization partner project) A subsystem superimposed on the existing packet domain in the network uses the packet domain as the bearer channel for upper-layer control signaling and media delivery, and introduces SIP (Session Initiation Protocol) as the service control protocol. Using SIP is simple, Easy to expand and convenient for media combination, it provides rich multimedia services by separating service control from bearer control. The international standard organizations that standardize IMS mainly inc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/14H04L29/08H04L12/56
CPCH04L69/24H04L65/1016H04L65/1069
Inventor 彭招君严军王丰
Owner SNAPTRACK