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Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Wave header format for mu-law and A-law [16 Articles]
Padmalatha Y - Aug 27 2003
Hi All,
Can any one tell me the wave header for mu-law and A-law. I have a wave
file which is mu-law 8-bit mono which has 56 bytes as header. I want to know in ... 
LSP in g.723.1 floating point
milamine - Aug 24 2003
hi all
i'm working on PLC with th g.723.1 vocoder
when checking out the LSP frequencies i came up with some strange
frquencies knowing that 0 <= LSP <= pi !!! ... GSM FR VAD function
yuehengs - Aug 22 2003
I built a code for GSM FR VAD, which can pass all test vector without
any problem. But when I test on board I notice if voice is not high
enough, (voice input's ... G726 Quality improvement [3 Articles]
Raj Baretto - Aug 21 2003
Hi ,
I just finished implemeting G726. I found that the quality is
very low. Can some one give me sugesstion about improving the
quality of G.726. I was told t... Codecs for Voice applications
nacer_ghoul - Aug 20 2003
Hi,
I've joined this group recently and I really find very useful and
helpful.
My question is :
Does any one know about the codecs that are beeing used... Regarding algebraic codebook search of CELP
mata mata - Aug 20 2003
Hi all,
did anyone had builded a matlab function of algebraic codebook search in CELP ?
is it possible to build a simulation program of CELP using matlab ?
... {need help}getting start to LPC coding [2 Articles]
mojtaba mahdavi - Aug 19 2003
Hi all dears.
I am doing a project on vocoders[MELP]. But I am new
to this field and I have not much time to go around.
NOW
Can anybody suggest me some th... 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 ?
...