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Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Estimate LPC's [3 Articles]
rahulparthasarthy - May 17 2004
Hello,
I am trying to compute a solution using the least- square- error
principle to an overdetermined system of equations.
The equation is as below:
E... 
[Fwd: Re: Urgent Help Needed on CELP]
Jeff Brower - May 11 2004
Dai, B. James-
Add...
MELP --> Mixed Excitation Linear Prediction
-Jeff
-------- Original Message --------
Subject: Re: [speechcoding] Urgent H... GSM Full Rate DTX test vectors
achaupit - May 11 2004
Dear all,
I am currently working on the GSM FR speech encoder for my student
final year and I am experiencing some problem with the ETSI GSM FR
DTX test vector... STI and RASTI programs
Jeff Brower - May 7 2004
Can anyone recommend reliable STI and RASTI measurement programs? We need only
file-to-file comparison -- PC sound card measurement not required.
Thanks.
... Quantization performance of LSFs in G.723.1 [4 Articles]
koro - May 5 2004
Hi everyone:
I am working on the quantization of LSFs in G.723.1.
I found that sometimes G.723.1 introduces a quite large
percentage of outliers in the range of 2... Latest RIFF specification document
sath nar - Apr 28 2004
Hi
Can anyone help me in finding out the latest RIFF specification document. The one i could get from microsoft's official web page is of version 3.0 (dated april'1... physical meaning of the LPC derived log area ratio coefficients? [2 Articles]
Chuping Liu - Apr 28 2004
Hi All,
The LPC derived log area ratio coefficients are
defined as gi=log(1-ki/1+ki) where ki comes from the
Durbin's iterative method. I am wondering whether ... Levinson v/s Levinson-Durbin [5 Articles]
#ARIJIT BISWAS# - Apr 22 2004
Hi:
I have a doubt:
I know the Levinson-Durbin Algorithm (including the Generalized Levinson-Durbin
Algorithm). Can anyone tell me how does it differ from t... perceptual.. [3 Articles]
- Apr 19 2004
hi all,
Can anyone tell me whatz the use of "PERCEPTUAL WEIGHTING FILTER" ?
why its so necessary in speech coding?
thanx in advance.
Mithun G N
... G.723.1 and loss concealment
setumi71 - Apr 19 2004
Hi,
I am trying to build a new mechanism of loss concealment for the
codec G.723.1.
I've reconstructed the lost frames.
These lost frames are calculated with Ma...