Descriptive echo canceler for hybrid network phones

[husseinadel]

echo canceller

i need a descriptive echo canceller for hybrid network lie phones,,plz if anyone can upload a paper that discuss this ,,it will be great
thanks

 

[ptmsl]

Re: echo canceller

Do you need a traditional hybrid circuit or a DSP echo canceller for long delay times? For telephony near end echo cancellation is done inside the new generation DSP codecs. You can read in this article more:
**broken link removed**
For far end echo cancellation you can use dedicated DSP echo cancellers.