Technical discussions about echo cancellation and adaptive filtering in general.
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Shiv Garg, Gurgaon. - Mar 20 2002
Dear all,
I am facing a problem while implementing NLP for Acoustic Echo Canceller.
Is center clipper algorithm enough for residual echo suppression by NLP.
wh... 
Kartik Sharma, Gurgaon. - Mar 11 2002
Hi,
I am facing some problem in implementation of AGC(Automatic Gain Control)
for Acoustic Echo Cancellation.
I want to know which algorithm to use for adaptat... 
Ananda Basak - Mar 11 2002
Hi Friends,
can U give me some refference for signalling system No. 5,6 & 7 as
mentioned in sec 6.4.2.9 : Test no8 of G.168 standard.?
Actually I want to know whe... 
Navin - Mar 7 2002
hello all,
I have implemented a 16 bit fixed point (simulation on a PC) nlms based
algorithm in c. While this seems to work great for audio input that is
vocal, i... 
nigel_nllee - Mar 7 2002
Is there any reliable hardware chips for acoustic echo cancellation?
Regards,
Nigel
... 
shiv8groups - Mar 4 2002
Hi friends,
Can anybody tell me how to implement
-Automatic Gain Control
-Pre-emphasis
Any help will be highly appreciated.
Best Regards,
Shiv
... 
John Lai - Feb 20 2002
Hello All,
Suppose I want to test if echo is induced during transmission through a network.
I send a predetermined messsage from the farside and on the nearend, I c... 
Maurice Givens - Feb 14 2002
The hybrid is not connected until the connection is made when the called
is off hook. Therefore, the called party would hear the training
sequence. This is consider... 
Sudarini Pushparajah - Feb 12 2002
Sorry, to let me make this more clear. To use a white training sequnece in
the absence of DT.
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gmukund_2000 - Feb 6 2002
Hi,
I was reading about the subband NLMs algo the other day.Here there
was a mention of a concept called peak search. This was done to
identify the peaks of the s... 
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