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Playing method and system for stream media program switch

A technology of program switching and playback method is applied in the field of playback when streaming media programs are switched to achieve the effects of small display delay and improved user experience.

Active Publication Date: 2012-09-05
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to improve the encoding effect, almost all existing encoders use the audio lag sending method. Therefore, in order to provide a faster switching speed and a better experience to the user, the set-top box must overcome the defect of the encoder data transmission sequence.

Method used

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  • Playing method and system for stream media program switch
  • Playing method and system for stream media program switch
  • Playing method and system for stream media program switch

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Experimental program
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Embodiment Construction

[0035] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0036] refer to figure 1 , the playing method according to the streaming media program switching of the present invention comprises the following steps:

[0037] In step S102, the set-top box receives a program switching command.

[0038] The set-top box can receive program switching commands by receiving wireless signals from the remote controller. Preferably, the remote controller includes a program switch key, the program switch key includes at least one of an increase key, a decrease key, and a number key, and the remote controller is used to send a wireless signal including a corresponding command when the program switch key is pressed.

[0039] Step S104, according to the program switching command, the set-top box requests and receives data of a new channel from the streaming media server, and in the data of the new channel, the audio data lags behind th...

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PUM

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Abstract

Set-top box receives command of switching programs. Based on the command, set-top box requests for data from stream media server and receives data from new channel. In data from the new channel, audio data lags behind the video data. Controlling speed for playing back data in new channel to make speed for playing back audio data unchanged, and speed for playing back video data slackened till audio data and video data are played back synchronistically. The invention makes user feel that when key for switching channel is pressed down, the content in the new channel can be displayed on screen atonce, or feel that display time delay is small when channel is switched so that user's tasting is improved greatly.

Description

technical field [0001] The invention relates to streaming media playing technology, in particular to a playing method and system when streaming media programs are switched. Background technique [0002] With the development of broadband and streaming media technology, the technology of IPTV (Internet Protocol Television, Internet TV) set-top box is gradually developed. IPTV live programs are generally compressed by the head-end encoder in real time and sent to the network. In order to improve the image encoding effect, the encoder generally sends the video data first, and the audio data lags behind the video data by a few seconds. Schematically, the encoder sending sequence is as follows: [0003] Audio data A10 A20 A30 A40 A50 ... A100 [0004] Video data V10 V20 V30 V40 V50 V60 V70 V80 ... V130 [0005] Among them, A10, A20, etc. represent the audio data packets whose play time (time stamp) is 10, 20, and V10, V20, etc. represent the video data packets whose play time i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/422H04N21/438H04N21/439H04N21/44H04N21/2387H04N21/637
Inventor 任新村
Owner ZTE CORP
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