[Speex-dev] speex_echo_cancel, please help!

[Jean-Marc Valin]

> My questions are: 
> 
> 1) How can I grab the signal that was just played
> (echo_frame parameter) ?

In most cases, *you* are the one who played the signal, so you already
have a copy of it. Otherwise, it's OS-dependent.

> 2) PortAudio can be used to achive this ? If so, how ? If
> not what is the best API for grabing the output samples ? 

No idea here.

	Jean-Marc