Sign in
Search speechcoding
Subscribe to speechcoding
speechcoding by Keywords
ACELP | ADPCM | AMBE | AMR | AMR-NB | CELP | Codebook | DTMF | G.723 | G.726 | G.729 | GSM | Interpolation | LPC | LSF | LSP | MELP | PCM | Perceptual | Pitch | PSOL | QCELP | Quantization | SMV | VAD | Vocoder
Discussion Groups
Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Search Results for "lsf"
About Mean-removed LSF vector and quantization of LSF coefficient in CELP coding
cherrymata - Nov 12 2003
Dear All,
I have some difficulties in understanding CELP coding process,
one of them is about Mean-removed LSF vector and quantization of LSF
coefficient (ETSI... 
LSF in g.723.1 [2 Articles]
milamine - Sep 4 2003
hi all
i'm working on quantizing the LSF
can i use the LSF generated by the VOCODER g.723.1? and if so how can
i get them.
Thx a lot.
... speech classification from LSF parameters
ee41gi - Aug 1 2007
How can i do classification of speech from the LSF parameteres given
from a split-band vocoder? I need to classify the speech into voiced
unvoiced and mixed excitation.I did a ... LSF quantizer [2 Articles]
#ARIJIT BISWAS# - Jan 16 2008
Hi all!
Does anyone know what=C2=92s the latest & greatest LSF quantizer available =
for wideband speech coding? :-)
For example, what=C2=92s the minimum number bits/frame req... MBE
- Jun 20 2002
Hello,
I am looking for information about phase distribution in my vocoder
(Matlab model of some kind of MBE vocoder, but some parameters are
detected by Analyse-... LPC to LSF Source Code [3 Articles]
ray....@gmail.com - Feb 18 2008
Hello;
I was wondering if anyone would be willing to share or direct me towards some Java or C code on how to convert from Linear Prediction Coefficients to Line Spectral Freque... 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... Quantization of LSP /G.729 [3 Articles]
wnit...@yahoo.com - Aug 22 2006
hi all,
G.729 recommendation states:-to predict the values of LSF a 4th oreder MA is used.Two predictions are possible .the encoder chooses which one to use and indices it... line spectral frequencies
auliasn - Apr 28 2003
dear all
i have some difficulties with some algorithms.
could anyone explain to me about the LPC and LSF (line spectral
frequencies) algorithms that are being ... Moving average Prediction Filter - G.729
pchakre - Jan 24 2002
Hello,
In the Section 3.2.4 - Quantization of the LSP coefficients (Pg. 12)
in ITU-T Recommendation G.729 documentation, we have to use two
switched 4th order MA ... MPEG-2 layer-3 multichannel decoder [3 Articles]
pai_raviin - Sep 1 2005
Hi,
I am trying to implement the MPEG-2 layer-3 multichannel decoder,
backward compatible with MPEG-1 layer-3.
I am new to this work and I don't have any source code t... Bit-rate: wideband & narrowband
#ARIJIT BISWAS# - Jun 26 2006
Dear List:
I was reading the book, "Speech Coding and Synthesis" by Kleijn & Paliwal.
In page 445, from the table we see that for scalar quantization of the reflection coeffici... Re: On G.729 Perceptual weighting and Gain Quantisation
Tim Thorpe - Nov 10 2001
From: "Thenral p" <> wrote:
>I am working on G.729 and when going thru' the C code I came across the
>folowing:
>In perceptual weighting filter to find the ... Re: AMR LSP quantization
Senthil Kumar - Jun 18 2002
Hi!
I attached here with the basics of LSF .....
It may be useful...
regards
senthil Kumar
Hellosoft
----- Original Message -----
From: subrata chatter... Re: G.729 Decoder Output
ranjeet gupta - Aug 10 2006
Hi Bineesh / Satish
Bineesh check always the encoded data, if the encoded data you are getiing the 1/8th size of the passed data then you can assume that
data is encoded, ...