Title :
Variable rate coding for speech storage
Author :
Lundheim, Lars M. ; Ramstad, Tor A.
Author_Institution :
ELAB, Trondheim-NTH, Norway
Abstract :
The paper describes methods for varying the bitrate in speech coders for minimizing the memory requirement in voice storage systems. An adaptive sub-band coder is studied in some detail, and subjective test-results are given which indicate optimal parameters for the model chosen.
Keywords :
Acoustic noise; Adaptive systems; Bit rate; Delay; Distortion measurement; Noise level; Noise shaping; Speech coding; Testing; Voice mail;
Conference_Titel :
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '86.
DOI :
10.1109/ICASSP.1986.1168587
