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Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Regarding Algebraic Codebook in CELP
mata mata - Aug 19 2003
Hi all,
I need help in estimating the positions and pulses of algebraic codebook
it is said in the standards (etsi 05.90) :
"First, for each of the five tracks... 
G.729 in Matlab [2 Articles]
omsarmaru - Aug 15 2003
Hi, everyone
Could someone help me locate Free Matlab source code for G.729?
Om
... QCELP source code [2 Articles]
chifa98 - Aug 15 2003
Does anyone know where I can get the source code for QCELP vocoder ?
... Split matrix and split vector quantization in CELP
mata mata - Aug 13 2003
Dear all,
I have builded matlab functions over split matrix (SMQ) and split vector
quantization (SVQ) in CELP
but I am not so sure about the results....
woul... basis to change bitrate in G723.1
skakkeri2002 - Aug 12 2003
Hi all
There is a provision to change the bitrate for G723.1 on the fly. As
there is not much difference in the bitrate, a gain in bandwidth is
not appreciable... FS-1016 CELP [5 Articles]
Ray Mc Carthy - Aug 11 2003
Hi All,
I am working with the FS-1016 4.8kb/s CELP coder but I cant understand why the
LSP's are interpolated for every subframe.Can someone tell me is there a
sp... GSM or CDMA//QCelp code in Matlab
Chipo Masawi - Aug 3 2003
Hey anyone!
Is there any GSM or CDMA//QCelp code in Matlab?
Chifa98
=====
You may be disappointed if you fail BUT you are doomed if you dont try!!!!! ... Building an impulse response function in MATLAB
mata mata - Jul 31 2003
Hi all,
I have builded a function of impulse response in matlab
from pole and zero functions I adopted from the internet
but I'm not so sure about ... Harmonic Noise shaping Filter [6 Articles]
BhanuPrakash - Jul 18 2003
HI Grp,
What is a Harmonic noise shaping filter. What actually it does.?
I encountered the following statement in on Speech CODEC "In order to
improve the q... AMR Reference Code Optimization
wu_donghui2000 - Jul 16 2003
Hi
Is there anyone here who has experence in the algorithm level
optimization of AMR?
Thanks a lot
...