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| TI DVD刻录机解决方案 | |||||
作者：TI 文章来源：本站 点击数： 更新时间：2007-3-18  |
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DVD Recorder End Equipment Solution from Texas Instruments is a consumer video/audio product that can record and play back full-motion video/audio. Block Diagram  Design Considerations A DVD Recorder is a consumer video/audio product that can record and play back full-motion video/audio using the ISO MPEG audio/video standards for the compression of video and audio content. The storage media include hard disks and recordable DVD disks. Core Subsystem include: Analog Video Decoder - digitizes and decodes baseband analog video formats (NTSC/PAL/SECAM) into digital video. MPEG Video CODEC/Audio Processor - performs MPEG video encoding/decoding, MPEG audio encoding/decoding, and multiplexing/demultiplexing of the audio and video bit streams. CPU - controls the DVD Recorder operating system software, overlay of text/graphics, and the user interface. Triple DAC - convertes digital video into analog video output in different formats: CVBS, S video, RGB, and component video. The output stages require high-performance op-amps to amplify the video signals Stereo Audio Data Converter - uses audio ADC and DAC to digitize and playback analog audio. Speaker Driver - includes analog and digital power amplifiers for driving headphone and speakers. User Interface - allows the user to control the DVD recorder using the panel keypad or the remote control. Broadband Connectivity - allows streaming audio and video to transmit and receive through ADSL and cable modem. 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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