Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Search Results for "dtmf"
Post a new Thread
Bob Tausworthe - Feb 16 2000
I am reading a spec that states that G.729 is capable of conveying
DTMF. Is this correct? I would have thought that G.711 would be required
to accurately code DTMF....
shahram heidari - Mar 12 2002
I am working to simulation and implementation of
multichannel dtmf encoder/decoder on ADSPs. I have
found many documents and codes, which among th...
manoj garg - Jun 27 2002
I am searching for the ANSI specifications for the
Could you please tell me where i can get them.
Are thes specs different from ITU-...
e_voice61 - Jun 29 2003
Do anyone know of a way to detect DTMF on a GSM AMR bitstream without
fully decoding it?
I will be happy to know if you can do it on ITU-T voice codecs...
Shehryar Amir - Feb 16 2002
I am new to this group. I want to implement DTMF Detection algorithm in
C/C++. I have read some material on web and have chosen to start with
manoj garg - Jul 23 2002
I wanted to know that what is the ratio of second
harmonic energy to the fundamental frequency energy in
the speech signal. Actually i am implem...
Shehryar Amir - Feb 18 2002
Thanx for your replies.
I have gone through a good Article found on web. It says that no single value of
"N" can meet the ITU-T specs and also gave reaso...
Nalin K Pithwa - Oct 23 2002
would G.711u law and G.729a tone detection require any special
test equipment just as DTMF tone detection ( like the Bellcore and
MITEL tests) ?
navithak - Oct 8 2007
I have implemented Gips ILBC codec on adsp 2185..However I am unable
to find any information on the vad/dtx module..Is that royalty free
as well?? Where can I obtain it?A...
steh...@hotmail.com - Jul 13 2007
Thanks for your reply.
The problem that I am facing is that after processing some corrupted frames MELP sysnthesis starts giving complete silence at the output. The thing that puz...
Mayank Kumar - Mar 13 2003
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...