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Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Search Results for "726"
Difference among G.723, 729, 726 [2 Articles]
Ramya Desai - May 9 2005
Dear Experts,
I am new to this group and speech coding (But not to
DSP)
I want to know the details of G.723. But from ITU web
site its not available and it recomen... 
G.726 code in matlab
soundarya2009 - Feb 19 2008
Hi ,
Can somebody please tell/send me where to find
the G.726 code in Matlab. (free source code).please
mention the link exactly as many have suggested ITU-T
but i find c... G.726 proj [3 Articles]
soundarya2009 - May 20 2008
Hi all,
I am working on G.726 using CCS on C5416. I have downloaded all the
files from ITU-T(g726.c, g726demo.c, g726.h and ugstdemo.h)
But when compiling, i am getting... G.726 erasure concealment [2 Articles]
- Nov 22 2001
Greetings!
Would anyone know where I could find information on
proposed algorithms for treating erasures in G.726?
Thanking you in advance,
Constant... Packet loss concealment(PLC) for G.726 [2 Articles]
balyans.rm - Jan 23 2006
Hi All,
Does anyone has any information ( performance, implementation,
productsetc.) about ITU G.726 PLC ? Specially handling of the encoder-
decoder state tracking durin... Question regarding G.726 speech codec
Padmalatha Y - Jul 4 2003
Hi All,
I have few doubts regarding Homing that is done in G.726. The ITU test
vectors have few homing sequence for which they have few initialization files.
T... Help needed: Documentation and test vectors for G.711,G.726,G.729,G.723.1
nasound - Jan 22 2002
Hi,
I need to implement G.711,G.726,G.729,G.723.1.
But the documentations and test software/vectors
all add up to pretty much $$$money.
I'll like to know whe... how to verify TEST VECTORS w/ Homing Sequences???
aysit - Jun 21 2006
Hi all,
I purchased the G.726 Test Vectors from ITU. I have written code to
use these vectors to test my G.726 codec.
So far, I can pass ALL the Test Vectors for the RESET ... Porting G.726 to G.726A
- Dec 28 2004
I have a G.726 codec which takes 8 bit ulaw or 8 bit 8 law or 13 bit ulaw linear or 14 bit alaw linear data. Is it possible to convert this codec to G.726A codec?
... ADPCM G.726
Mahesh Subedar - Aug 3 2001
Hello,
I am implementing ADPCM G.726 standard. I have a doubt in that. what value
of estimated output we have to take at the start of the compression.So, if
anybo... Running G.726 test vector (Newbie) [4 Articles]
pavan_gup - Feb 28 2005
Hi,
I am running the test vectors for G.726 codec on ARM9E. They have
been downloaded from ITU-T website. However, output differs from the
expected output... g.726 test vectors problem [3 Articles]
mste...@yahoo.com - Dec 9 2005
Hello,
I'm trying to run the test vectors for the G.726 (reset and homing) over the original code. They are in hexa format, so I have first converted them to binary using the... Re: Digest Number 48
- Feb 5 2001
Answer to Arvind's question.
ITU-T G.726 (full duplex) takes 7.9 MCPS on Motorola Star*Core Processor which
has 4 ALU's. My strong feeling is that G.726 shoul... Purpose of "SYNC" in G.726
Faisal Mateen - Sep 28 2000
Hi,
Can anybody tell me the purpose of "SYNC" in G.726 decoder. I cannot
understand what is meant by cumulative distortion? Thanx in advance
Faisal Mateen ... COM XVIII/92 102
jan_trmal - Apr 28 2003
Hi all,
I'm looking for specs of this standard. It's mentioned in the G.726 Annex III,
with two
citations -- US-patent nr. 4860313 and then with the following ann... MOS Score - G.726 ADPCM & G.729 CS-ACELP - Voice Quality issues?
raju...@ngc.com - Jan 22 2009
Hi DSP Related members,
I am researching to find out information on the voice quality of codecs used for VoIP communication using networking routers, switches and access devices... Re: Query on fmult in G.726 [3 Articles]
Bhanu Prakash - Apr 30 2002
Hi all,
I have a doubt in "FMULT" operation in G.726.
The "fmult" is used to compute multiplication of fixed point number and
a floating point number.In this f... Re: Digest Number 126
sara grassi - Jan 24 2002
Hello Richard,
Go to www.itu.org. If you register, they let you download the first
three documents for free.
For 729 and G.723.1 they have the descriptio... ADPCM decoder required [3 Articles]
Sanjam - Nov 2 2006
Hi all.
I am recording voice using ML2390 codec. It records speech in the ADPCM
format. Now I wish to listen to the recorded data to validate whatever
I have recorded. I need an... Need Info about Speech Codecs [2 Articles]
hibh...@gmail.com - Aug 29 2005
Hi,
I work for a Multimedia startup company. we are luking for speech codecs implemented on ARM9 platform for our end system.Can any one give some info abt good companies w... 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... G726 testing [3 Articles]
vija...@yahoo.co.in - Jul 25 2006
Hi All,
I am using reference G.726 code of ITU software tool library. I am now testing the code using VC++. It is said that the reference code takes A-law or Mu-law coded input an... HELP! G.726 ITU Test Vectors Verification errors
aysit - Jun 2 2006
Hi all,
There are two main roadblocks. It just seems like the only thing I can
verify to be working 100% error-free is the encoder portion of the
RESET SEQUENCE test vectors... G726 on TMS320C62xx [2 Articles]
- Feb 2 2001
Hello All:
I am working on ADPCM G.726 Coder for dual channel.
After completeing coding and testing sucessfully , MIPS(MCPS)
performance is found to be around ... itu g.726a test vectors
Armen Baloyan - Feb 20 2004
Hi all, i'm implementing ITU g.726a speech codec. I need some test vectors
to check my results. i've found test vectors for g.726 but i can't find no
test vectors f... G726 codec support with .wav files
Aditi Akula - Feb 3 2010
Hi All,
I want to play G726 (16 kbps) encoded data with Windows Media Player (WMP).
I have modified the normal wave header to allow for the G726 code (0x0045).
But it does not... ADPCM encoder/decoder [2 Articles]
vipul paladiya - Nov 1 2001
Hi champs,
I am working on ADPCM encoder and decoder. I have got the C code of G.726 from
the net. This is for all the 16,24,32,40 kbps. I have purchased the sta... Re: G726?
Jeff Brower - Oct 28 2004
Sateesh-
> I am working on implementing G726 in parthus ceva's Palm DSP. I like
> to know whether anybody worked on similar implementation before? if
> yes,... problems with SID bitstream
Armen Baloyan - Dec 16 2002
hi all, i'm implementing VAD/CNG/DTX algorithm and have problems with SID
bitstream, in Comfort Noise payload draft-ietf-avt-rtp-cn-05.txt and in ITU-T
Recomendatio... Voice Codecs Algorithms for Pentiums
Mayank Kumar - Mar 13 2003
Hi All,
I am involved in a Computer Telephony project and I am looking for Voice
Codec algorithms like
G.711 (A law and Ulaw), G.726, G.723.1, G.729a/b, DTMF G... G726 plc
Gowri - Sep 21 2001
Hai
If any body any information or website address related to G.726 packet loss conceal ment .
please send it to me.
----------... Re: DTMF in G.729 [2 Articles]
Ilya Pozdnov - Feb 16 2000
Hi, Bob
My experience shows that is not generally correct. In the case of 50 ms
pulse interval duration and 50 ms tone off interval duration (that is
common in... ADPCM ITU C code
Meenakshi Matai - Jun 14 2004
Hello,
I am working on implementing the G.726 ADPCM algorithm.
In the C code obtained from ITU, there's a function called "update". It
is present in the "g7...