Code covered by the BSD License

celp16k(x,N,L,M,c,cb,Pidx) celp --> 16000 bps CELP analyzer and synthesizer.
celp9600(x,N,L,M,c,cb,Pidx) celp --> 9600 bps CELP analyzer and synthesizer.
celpana(x,L,M,c,cb,Pidx,bbuf,...
celpexcit(x,cb,Pidx,ar,ac,b,e... celpexcit --> CELP excitation sequence.
celpsyn(cb,kappa,k,theta0,P,b...
durbin(r,M) durbin --> Levinson-Durbin Recursion.
lpcana(x,M) lpcana --> Linear prediction analysis.
lpcrespitch(ehat,th,minlag,ma... lpcrespitch --> Pitch estimation from prediction error sequence.
lpcweight(ar,c) lpcweight --> LPC based perceptual weighting filter.
rf2lpc(kappa) rf2lpc --> Convert reflection coefficients to prediction polynomial.
CELP_RUN.m
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4.5 | 2 ratings Rate this file 48 Downloads (last 30 days) File Size: 373 KB File ID: #39038

CELP codec

13 Nov 2012

This is a code to demonstrate CELP codecs of bitrate 9.6kbps and 16kbps.

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Everyone's Tags	article, audio codec, celp, communications, control design, data export, data import, demo, embedded code, interpolation, lpc, matrix, modeling, optimization, signal processing, simulation, system identification
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Comments and Ratings (2)
18 Apr 2013	don quixote	could this algorithm be created in simulink?
09 Apr 2013	Dilpreet