An experimental digital VCR with new DCT-based bit-rate reduction system

M. Yoneda,Junko Kimura,K. Shimoda, M Tamurra, Takeshi Inagaki, Keisuke Ogi,Y. Uetani

IEEE Transactions on Consumer Electronics（1991）

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摘要

A high-picture-quality digital VCR was experimentally developed, using the triple Reed-Solomon product code, a novel block-coding technique with extensive lower frequency level suppression and a DCT (discrete cosine transform)-based bit-rate reduction system. It is suggested that this experimental system can reproduce HDTV (high-definition television) signal records by simulation, and a system to prevent picture quality deterioration by duplication is proposed

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关键词

encoding,high definition television,picture processing,transforms,video tape recorders,dct-based bit-rate reduction system,hdtv signals,block-coding technique,high-picture-quality digital vcr,home-use digital vcr,lower frequency level suppression,triple reed-solomon product code,frequency,decoding,product code,error correction,block codes,tv,discrete cosine transform,assembly,circuits,reed solomon,saturation magnetization

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