The present invention includes an encoding and decoding apparatus and method where there is used a transform processing to allow a waveform element of a corresponding block to interfere with waveform elements of blocks adjoining in both directions at the time of inverse transform processing...http://www.google.com.hk/patents/US5731767?utm_source=gb-gplus-share專利 US5731767 - Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method 
