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Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Link for paper
dsp_is_cool - Jun 17 2003
Hi Group,
I am trying to find a copy of the following paper:
"J. Makhoul, Linear Prediction: A Tutorial Review, Proceedings of the
IEEE, vol. 63, no. 4, pages 561... 
AMR codec [2 Articles]
Syed Moinuddin - Jun 16 2003
Hi,
Where can I download FREE AMR codec. Is there any Wavelet Based
Speech codec FREELY available
Regards
Syed Moinuddin
... Bandwidth expansion in G.723 and G.729 [2 Articles]
Cool Dsp - Jun 11 2003
Hello,
I am new to Speech Coding. I was reading through the ITU-T specs for G.723 and
G.729. Can anyone enlighten me on the following aspects:
The import... AMR IF1 format - how to test? [6 Articles]
biswasbiswajit - Jun 6 2003
Hi everybody,
Can anybody suggest how to test AMR speech in IF1 format? 3GPP
reference code has not implemented this (only IF2 is implemented).
If anybody can ... About input file format [3 Articles]
madan chinnam - Jun 5 2003
Hai,
Can you please give me the information regarding
this:
The code which ITU-T giving G.723.1 containing the
input speech files in the format of *.tin f... pricing informations and availability of G.729A for commercial use [2 Articles]
Costi Stan - Jun 4 2003
The company for which I am working is developing a communications
software system based on VoIP technology. We would like our software
to include audio compression ... Vector Quantization [3 Articles]
sita rama - Jun 3 2003
hi friends
can any one suggest me a good material to understand and implement
"Vector Quantization"..
waiting for u r suggestion....
thanx in advance
ramu ... G722 source in C++ or C
bforestal - Jun 2 2003
I'm looking for G722 source code in C++ or C. Anyone know where to
find this?
Thanks in advance,
Bruce
... RE: conversion
David M. Jack - May 29 2003
In order to do this efficiently you need to perform the conversion in
multiuple stages
See here :
http://www.soundslogical.com/support/resample/documentat... RE: [audiodsp] conversion
- May 28 2003
The answer from harishankar is not quite correct. Theory tells the
following:
Re-sampling from 44100 Hz to 48000 Hz:
1) Up-sample by expansion factor of 160...