16 kbps wideband speech coding technique based on algebraic CELP
- 1 January 1991
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 15206149,p. 13-16 vol.1
- https://doi.org/10.1109/icassp.1991.150267
Abstract
The application of algebraic code excited linear prediction (ACELP) coding to wideband speech is presented. An algebraic codebook with a 20 bit address can be used without any storage requirements and, more importantly, with a very efficient search procedure which allows for real-time implementation. The authors describe an efficient procedure for searching such a large codebook deploying a focused search strategy, where less than 0.1% of the codebook is searched with performance very close to that of a full search. High-quality speech at a bit rate of 13 kbps was obtained.Keywords
This publication has 3 references indexed in Scilit:
- Fast CELP coding based on algebraic codesPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2005
- On reducing computational complexity of codebook search in CELP coder through the use of algebraic codesPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- 7 kHz audio coding within 64 kbit/sIEEE Journal on Selected Areas in Communications, 1988