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System and method for playing medium

A technology of media playback and digital media, applied in the direction of simultaneous/sequential multi-TV signal transmission, electrical components, selective content distribution, etc., can solve the problem of cost increase, audio and video equipment without data buffer device, and difficult to realize audio and video data Synchronous playback and other issues

Active Publication Date: 2006-11-08
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0011] The shortcoming of above-mentioned scheme is: when adopting the decoding of mode (1), if DMR usually can only reach the audio output effect of 2.1 like TV set, if it is the media of AC-3 or DTS 5.1 higher quality audio effect, the user then appreciates not to achieve this audio effect; the cost will be significantly higher if a digital media presenter that can achieve higher quality audio effect is used
If the transmission time of the media data to the audio and video devices through the bus is not the same, it is difficult to achieve synchronous playback of audio and video data
[0020] 2. There is no data buffer device on the audio and video equipment. When the bus bandwidth fluctuates, it will affect the playback quality of audio and video
These all need to increase functional devices, thereby increasing difficulty and cost

Method used

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  • System and method for playing medium
  • System and method for playing medium

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Experimental program
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Embodiment Construction

[0076] Video The digital media presenter (DMR) plays both the audio and the video of the media, that is, the audio and video of the media are played on the same digital media presenter (DMR). This is not conducive to users enjoying high-quality audio and video, and even brings inconvenience to users. Please see the scene below.

[0077] Scenario 1: The user buys a new DVD (Digital Versatile Disc) movie with AC-3 (a surround sound effect) and DTS (Digital Theater System) 5.1 audio output effect. He uses a high-definition digital TV (DTV) in the home network to play in the living room, but the high-definition digital TV (DTV) only has 2.1 audio output, and users cannot enjoy high-quality AC-3 or DTS 5.1 audio effects.

[0078] Scenario 2: The user watches a wonderful football game on the high-definition digital TV (DTV) in the living room at night, but his family is going to rest. At this time, the user can turn down the sound, but this can neither affect the family at all, no...

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Abstract

The present invention relates to system and method for synchronous playing medium in audio and video equipment. System includes control point control point CP, digital media server DMS, audio frequency digital medium demo unit DMR and video frequency digital medium demo unit DMR; wherein control point CP selecting home network audio frequency digital medium demo unit and video frequency digital medium demo to form combination, synchronous playing selected medium, medium audio frequency outputting through audio frequency digital medium demo unit, video frequency outputting through video frequency digital medium demo unit.

Description

technical field [0001] The present invention relates to a system and method for playing media, in particular to a system and method for synchronously playing media on audio equipment and video equipment. Background technique [0002] With the development of digital information technology, digital devices and digital home appliances are becoming more and more common. These digital devices use protocols such as UPnP (Universal Plug and Play), IGRS (Intelligent Grouping and Resource Sharing, intelligent interconnection of information equipment, resource sharing and collaborative services), and are connected in a wired or wireless manner to form a home interior. Local area network, to create a seamless environment for new digital media and content services, to realize the sharing of content and equipment, is the concept of digital home network. [0003] Digital devices in the digital home network, including digital media presenter (DMR) equipment, such as digital television (DT...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/08H04N21/433H04N21/4363H04N21/439H04N21/44
Inventor 杨波陈维山
Owner HUAWEI TECH CO LTD
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