USB-based digital video recorder player design

2 July 2003 Analogue, Mixed Signal, LSI

The USB DVR-2.0 reference design from Cirrus Logic can make it easy to capture, edit, view, and store audio, video and television signals on Windows-based personal computers with USB ports. The design incorporates the CS92288 MPEG-2 Audio/Video CODEC, the CS4223 Audio CODEC, a video digitiser and SDRAM memory. Optional components include the CS4954 NTSC/PAL video encoder, an NTSC or PAL/SECAM cable TV tuner, an audio mux and a DV daughter card. The CS92288 is the heart of the reference design. It is a single chip, realtime MPEG audio/video encoder/decoder featuring a programmable system mux/demux that encodes/decodes MPEG-1/2 compatible bitstreams with frame-accurate lip sync. In addition, it implements both Field Mode and 16x8 (pixel) motion estimation coding. An embedded audio DSP supports MPEG-1 (MP1), MP2 and MP3. The modular design allows rapid development of multiple PC products from a single hardware platform.

Memec SA, 011 897 8600

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