thats good to hear .but there are so many digium cards that does echo distortion <br>then why do you want to do this <br><br>Giridhar Bandi <br><br><div><span class="gmail_quote">On 3/7/06, <b class="gmail_sendername">Robert Rozman
</b> <<a href="mailto:robert.rozman@comutel.si">robert.rozman@comutel.si</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi,<br><br>I'm speech recognition researcher and would like to do some research on<br>recognition robustness in echo distortion of speech signal. Since VOIP is<br>becoming wide spread, I'd like to simulate (one or more) common echo
<br>distortions that mostly appear in voip communications ? Any example, FIR or<br>IIR filter or acoustical system response ?<br><br>Any other distortion worth researching ?<br><br>Thanks in advance,<br><br>regards,<br><br>
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