DCT source coding and current implementations for HDTV

Tech Review 251

DCT source coding and current implementations for HDTV

Following a brief explanation of the principal bit-rate reduction techniques employing discrete cosine transforms (DCT) which are applicable to wideband HDTV, the article describes their implementation in three codecs currently under development in Europe.

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Following a brief explanation of the principal bit-rate reduction techniques employing discrete cosine transforms (DCT) which are applicable to wideband HDTV, the article describes their implementation in three codecs currently under development in Europe.