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| TI DVD播放器解决方案 | |||||
作者：TI 文章来源：本站 点击数： 更新时间：2007-3-18  |
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DVD Player End Equipment from Texas Instruments is a video/audio subsystem that decodes a MPEG-2 encoded movie and converts it into standard video signals. Block Diagram  Design Considerations The DVD Player is a video/audio subsystem that decodes the MPEG-2 encoded movie and converts it into standard video signals (Composite Video, S-Video, Component Video). The player also decodes the AC-3 audio stream. Core Subsystem include: Analog Front End/DVD Drive - uses the DSP and microcontroller to perform readout and servo processing. MPEG-2/AC-3 Decoder - uses the DSP to decode MPEG-2 Video and AC-3 Audio. CPU - controls the DVD player operating system software and the user interface. Memory - stores executing code and data/parameters. Video Interface - provides video output with different formats: NTSC/PAL, S video, and YPrPb component video. The output stages require high-performance op-amps to amplify the video signall. Audio Interface - allows audio to be digitized by the audio converter and processed by the DSP to provide high-quality audio for MPEG/AC3 requirements. User Interface - allows the user to control the DVD player using the panel keypad or the remote control. Power Conversion - converts the input power from the AC adaptor to run various functional blocks. Application Notes MPEG-2 Video Decoder: TMS320C62x (TM) DSP Implementation (spra649.htm, 9 KB)29 Feb 2000 Abstract |
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