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.
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.
