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From: Himanshu on 25 Sep 2005 07:48

Praveen wrote:
> Hello,
>
> I am implementing the LMS Algorithm for acoustic echo canceller at a
> very basic level. In order to adapt the co-efficients of the filter
> using LMS algorithm, a desired signal is required. This would minimise
> the error between the output signal(with echo) and the desired signal.
> I would like to know what is the desired signal that can be assumed
> here? Since the adaptive filter would have no idea of the desired
> signal, how is this done?
>
> Thanks and Regards,
> Praveen

Hi Praveen I am also working on the same. Probably the following link
will help you.

http://www.embeddedstar.com/articles/2003/7/article20030720-1.html

Regards
--Himanshu

///////////////////////////////
Himanshu Chauhan
Software Engineer
Blaze Audio, India

OSX Audio Driver Developer
//////////////////////////////

From: Praveen on 26 Sep 2005 15:11
Yeps sure it does help...

Getting you right,

desired signal - signal after echo
reference signal - input signal

right?

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