Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Search Results for "melp"
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Khubaib - Jun 15 2004
I want to know about the 1.2Kbps MELP Speech Coder. Actually, 2.4Kbps
MELP is available. But, i want to know about the 1.2KBps version.
There is a paper avail...
Ilya Druker - Jun 29 2005
Ladies & Gentlemen
I encountered the problem of transmission of music by MELP codec. MELP
is intended for coding human speech, so it is not surprising that the
steh...@hotmail.com - Jul 11 2007
I am using a codec with sampling frequency of 32KHz, I am decimating the input to get 8KHz frequency. These samples are then fed into the MELP Analysis. The ouput of melp anal...
Jeff Brower - Feb 11 2004
> i like to know what is the characteristic of the input signal that
> i will used in melp program (format ,frequency ,bit,mono )and i
> know that m...
eric...@yahoo.com - Aug 30 2008
I'm supposed to do some experiments on this particular wideband speech coder that we're developing at our laboratory. I'm supposed to verify this certain paper dealin...
m_dj...@yahoo.com - Jun 21 2006
I want download a standard MELP coder (2400 bps). Can you show me where I can do that.
Ilya Druker - Jul 21 2005
Ladies & Gentlemen
The additional criterion for voicing measure in MELP is peakiness. For
r=1.4 the voicing in the first band is set 1 (strong voicing), for
r=1.6 the v...
gw8912 - Mar 3 2002
Does anyone research this kind of codec?
I can't understand the part of multi-quantization
Can any one have standard or reports of the MELP?
Thank you ...
shahram heidari - Aug 24 2006
I am looking for MELP 1200 Bit/Sec Fixed Point C
and/or TI, Motorola, ADI source code to purchase in
order to applay in Fleet Managment project.
Any help in this r...
1010...@163.com - Mar 7 2007
> > I tracked this down a few years ago....
> > The MELP patents were sold to ASPI, which was purchased by Polycom. You must
anona_ahmed - Sep 21 2005
i have a speech file 8KHZ and 16bit/ sample, 128kbps.
what's the convenient CELP algorithm for this bit rate for the best
where can i find the souce...
- Jan 2 2001
I'm interested in details for the MELP coder algorithm. I'd like to
know if anyone has implemented this coder in real time, especially on
the TI DSP?.
- May 14 2002
Pls could anyone let me know how i could convertthe standard MELP 2400 bps
to 1200 bps?
Eli Britstein - Jun 30 2003
Is there a standard of test sequences for the MELP
If so, where could I find them ?
Khubaib - Mar 18 2005
I need different test vectors (preferably standard test vectors) for
testing MELP 2400bps voice coding standard. I am in the process of
mojtaba mahdavi - Sep 14 2003
Hi dear all.
I am doing a project on MELP.
Now I want to undrestand Multi Stage Vector
But I cant find a good text on it.
Does any body...
Khubaib - Nov 30 2004
Dear all !
I want to have any standard or GOOD test vectors for voice coders
like MELP and G.723.1. Where can i find them.?. Is there a way for
- Sep 21 2001
Does anyone have any recommendations on speech coding algorithms
<2400bps? I need a low data rate codec for an amateur radio
experiment I'm planning. I've been look...
Khubaib - Feb 25 2004
I have seen at many places (e.g. commercial audio products employing
standard audio codecs) that this algorithm takes that many MIPS on
this processor. e.g. ME...
plsymonds - Mar 8 2005
I am busy looking into the MELP algorithm and as Texas Instruments
has intellectual property rights on the algorithm I am
interested in find...
Khubaib - Feb 24 2004
I need to know the bitstream format of the MELP's 54 bit frame.?. I
know what are the different bits (the number of bits for different
parameters) in ...
ied1970r - May 16 2004
(Sorry, this messsage can appear twice in this newsgroup because of
CELP is the name for the family of the speech coders based on
- Nov 8 1999
I would like to convert Melp 2400 bps(Ver. 1.2) to 1200 bps for my academic
thesis,Please could any one send me any idea ,comments or source code as
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.
Can anybody suggest me some th...
m_dj...@yahoo.com - Jun 20 2006
I want to download a source code (in c/c++ or c#) standards speech coders
(MELP, ACELP, AMR_WB,...). Can you show me where I can do that.
zainmehtab108 - May 12 2009
Hi! I am an undergraduate student and my instructor has assigned me the semester project of implementation of the M.E.L.P. codec on MATLAB. I have no clue as to how it works. Can a...
mouloud Djamah - Dec 12 2007
I am looking for source code (C/C++) standard speech coder (FS MELP, ACELP, AMR_NB,....) to download or to buy. Is there official web site where I download them (for free or ...
tms3...@yahoo.com.cn - Dec 15 2008
I'm learning MELP source code.I am not able to understand the fractional pitch search algorithm in function
Shortword frac_pch(Shortword sig_in,Shortword *pcorr,Short...
Khubaib - Feb 27 2004
I want to know the difference between the voiced and unvoiced frame
in context of the MELP 2.4 kbps codec, (and other codecs as well).
What encoder does in cas...
zhaohanwu - Sep 23 2005
I'm looking for a robust LP method in noisy environment (around 0dB),
which method can get better LP coefficient in harsh noisy background.
here is one method named "WLS...
Jeff Brower - Sep 16 2002
B V Harsha-
Try searching Google for "MELP". Surprisingly good MOS scores from 1200 bps
DSP sw/hw engineer
nice...@hotmail.com - Oct 18 2005
1. I need CELP / MELP source code or program compatible with windows OS.
2. I am implementing a datahiding technique (echo data hiding technique) using simulink...
- Jan 17 2002
It can certainly be done - I think it is more a question of sound quality
(intelligibility / speaker recognition / artifacts). At 600bps I doubt you will
omar nasr - Feb 16 2004
I tried for long time to implement the CELP "FS1016" on TMS320C6711, I tried
for mmore than 3 weeks but I failed!!!, then I tried to use MELP which use ...
Ilya Druker - Oct 1 2003
I think nobody will send you the code of WI since now it is a
About Choy's coder. In the site of McGill University Choy publishes
the demo f...
Jeff Brower - May 11 2004
Dai, B. James-
MELP --> Mixed Excitation Linear Prediction
-------- Original Message --------
Subject: Re: [speechcoding] Urgent H...
mouloud Djamah - Jul 28 2008
I have questions and I hope that someone will reply me.
- I Know that for SVQ (Split vector quantization) design codebook for LSF (line spectral frequencies) quantization...
Syed Moinuddin - Feb 20 2001
Hi i have stumbled across a website where there is a
1.9kbps codec is given .
it is 1.9kbps zinc based codec u can download paper at
- Jul 19 1999
You can download the (public domain) C source code for the LPC10
(FS1015) in several sites, as long as other FS standards (CELP FS1016
and MELP FS10...
Ilya Druker - Mar 9 2005
2. It seems that for better estimation of pitch in the following
formula for calculation of normalized correlation it is useful to
window the signal...