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)
Re: windowed sinc interpolation using FIR filter
wang...@163.com - Apr 25 2006
Hi,
It means that FIR filter is designed using truncated sinc function by hamming window. This FIR filter corresponds to a low-pass linear phase filter and is used to interpo... 
about wavelet decompostion of CWs?
wang...@163.com - Apr 25 2006
Dear all,
I want to use wavelet analysis to decompose and reconstruct CWs based on biorthogonal FIR linear phase filter banks , but I have found that the time delay of 3-leve... Speex command-line
devilal sharma - Apr 17 2006
Hi,
can somebody tell me where Speex computes residual
signal in the encoder. I mean the difference of
original and the reconstructed signal. I need to
output this residual sig... Windowing input signal [2 Articles]
rcal...@yahoo.com - Apr 12 2006
Hi,
I want to window an audio signal using a Hamming window before I perform an autocorrelation on it. What are the criteria for choosing a window length.
Also, what do I do if... Generate speech signal [2 Articles]
Richard Caldwell - Apr 3 2006
Hi,
trying to generate a speech like signal using matlab by passing an impulse train through 3 bandpass filters in series. They have centre frequencies in the range 500Hz to 2kH... G.729 Codebook search for gain quantization and decoding
Saloni Shah - Mar 10 2006
My query is regarding the pre selection process done for quantization of gains in section 3.9.2 of ITU-T recommendation for G.729 speech codec standard. ... Adaptive Codebook generation in AMR speech codec
abhi...@gmail.com - Mar 1 2006
Hi, I am working on a project that implements CELP coding, as in AMR codec for GSM. The codec uses a 'codebook' to store 'code vectors', which are compared with excitation vecto... enhancement of packet loss-concealment of g729 standrd usin wsola.
mmusdz - Feb 25 2006
Hi
I am the final year engineering student, my aim is to enhence the g729
standard.
Could anybody give me some relative info or give me the source code in
C++ about time-sc... AMR WB+ (fixed point) Frame duration [2 Articles]
chandresh - Feb 23 2006
Hi all,
I am trying to port ABR WB+ (fixed point baseline) to a particular platform. I want to calculate its MIPS consumption on this platform. I know, if
... overall level of the masking threshold [2 Articles]
#ARIJIT BISWAS# - Feb 21 2006
Dear List:
I was wondering if it is possible to predict the "overall level of the masking threshold" based on some statistics of the input signal (e.g. power, power spectral d...