Hi,<br /><br />When captured speech contain sudden burst of sound like a bell ringing or a loud click sound along with echo, &nbsp;echo canceller seems go wrong in latest svn version. Is it because of sudden &nbsp;change from normal speech to say some high frequency sound?<br /><br />Thanks<br />Jam<br><a href="http://adworks.rediff.com/cgi-bin/AdWorks/sigclick.cgi/www.rediff.com/signature-home.htm/1507191490@Middle5?PARTNER=3"><IMG SRC="http://adworks.rediff.com/cgi-bin/AdWorks/sigimpress.cgi/www.rediff.com/signature-home.htm/1963059423@Middle5?OAS_query=null&PARTNER=3" BORDER=0 VSPACE=0 HSPACE=0></a>