Title :
Rate distortion efficiency of subband coding with crossband prediction
Author_Institution :
Hewlett-Packard Co., Palo Alto, CA, USA
Abstract :
Traditional subband coding, where each subband is encoded independently, has been shown by Fischer (1992) yo be suboptimal in the rate-distortion sense. We show that if we use prediction across subbands, the resulting coder is asymptotically rate-distortion optimal at high rate
Keywords :
encoding; prediction theory; rate distortion theory; asymptotically rate-distortion optimal coder; crossband prediction; rate distortion efficiency; subband coding; Bit rate; Decoding; Filters; Gaussian processes; Laboratories; Milling machines; Phase change materials; Rate-distortion; Speech coding; Speech processing;
Conference_Titel :
Information Theory, 1995. Proceedings., 1995 IEEE International Symposium on
Conference_Location :
Whistler, BC
Print_ISBN :
0-7803-2453-6
DOI :
10.1109/ISIT.1995.531869
