DocumentCode
3012309
Title
Fast CELP coding based on algebraic codes
Author
Adoul, J.-P. ; Mabilleau, P. ; Delprat, M. ; Morissette, S.
Author_Institution
University of Sherbrooke, Sherbrooke, Canada
Volume
12
fYear
1987
fDate
31868
Firstpage
1957
Lastpage
1960
Abstract
Code-Excited Linear Prediction (CELP) produces high quality synthetic speech at low bit rate. However the basic scheme leads to huge computational loads. The paper describes a related scheme, which allows real time implementation on current DSP chips. The very efficient search procedure in the codebook is achieved by means of a new technique called "backward filtering" and the use of algebraic codes. RSB performances are reported for a variety of conditions.
Keywords
Bit rate; Digital signal processing chips; Filtering; Narrowband; Nonlinear filters; Proposals; Signal analysis; Signal processing; Speech coding; Technological innovation;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '87.
Type
conf
DOI
10.1109/ICASSP.1987.1169413
Filename
1169413
Link To Document