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- W2117681645 abstract "For the purpose of digital recording of HDTV signals (EUREKA standard, 1250/50/2:1) a codec has been realized (HDI-codec) which can reduce the initial data rate from 1,152 GBit/s down to one fifth. According to the desired reduction, the playtime of a digital VCR (Video Cassette Recorder) can be increased from about 40 - 60 minutes up to at least the length of a feature film. This paper describes the hardware realization of the data rate reduction codec. Algorithms utilized for data rate reduction are adaptive intraframe/intrafield discrete cosine transform (DCT), adaptive quantization and variable length encoding (VLC). Interframe editing, multiple copy and shuttle mode are supported by a special codec architecture.© (1993) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only." @default.
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- W2117681645 date "1993-11-04" @default.
- W2117681645 modified "2023-09-23" @default.
- W2117681645 title "<title>Hardware codec for digital HDTV recording</title>" @default.
- W2117681645 doi "https://doi.org/10.1117/12.161477" @default.
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