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Discussion Groups | Echo Cancellation
Reflections & multiple tail circuits [2 Articles]
Mark Antony - Sep 16 2002
Hello,
I have one question regarding 2, 3 or more
reflections and multiple tail circuits.
Is the double reflections or three reflections overall
can be calle... 
How to Specify TailLen [3 Articles]
Suryadi - Aug 27 2002
I read about echo cancell that it can can cancell echo between 30 ms and
62 ms.
These number get from the delay in Hybrid 30 ms (240 samples) and the
tailLen 32 m... Does anybody know where I can get C source code for the AEC? [5 Articles]
zhang_zhh - Jul 25 2002
Hi all,
I am working on the H323 VoIP terminal in the PC environment. but
in order to cancel the echo from speaker even from the headset(I am
not sure if this ... Re:Re: Does anybody know where I can get C source code fo r the AEC?
- Jul 23 2002
Hello Maximus,
There are algorithms that do not rely on level differences to determine if
double-talk is present. These algorithms do not suffer from input level
... -4.7 dbpa signal
basaravikiran - Jun 6 2002
i am testing g.167
can anybody give me an idea to generate -4.7 dbpa signal
... distortion measurement and power measurement
basaravikiran - May 30 2002
hello group members,
we are testing the acoustic echo canceller as per g.167 spec.
here while testing we have to calculate distortion at rout.
how the acoustic di... discriminating double talk and echo path change
solv_78 - May 20 2002
Hi,
Is echo path change a common problem in LEC. Is there any
standard way of discriminating this with double talk. How adequate
are methods which depend on the v... Power Measurement Device
d_madhu_rao - May 19 2002
Hello Friends,
Here I am with a doubt which I would like to clarify from you.
What is the detector - indicator unit in the power measurement device
as indic... Test Vectors Generation.
d_madhu_rao - May 17 2002
Hello Friends,
1)Can you please suggest me certain methods for generating the Test
Vectors of G.168 standard.
2) What are Hoth noise and Comfort Noise and h... RE: New Member seeking help to master Echo Cancellation Techniques. [2 Articles]
Dharmendra Lingaiah - May 10 2002
Hello Madhu,
I have tried to answer your questions below ...
1. Why 4-wire system is used between Hybrid and PSNT and 2-wire system is
used as subscriber...