EchoFilter by dxzone.com

<body> <h1>EchoFilter</h1> EchoFilter uses the soundcard of a PC to process income audio signals in real-time. The narrow filter bandwidth allow the extraction signals and sounds from the audio signal that may normally be close to inaudible. It is intended for radio HAMS, hobbyists, researchers, scientists and students in the DSP field.<br><p> <ul> <li>click here to <a href="/cgi-bin/dir/jump.cgi?ID=6034">follow the link</a> <li>if you want to rate <b>EchoFilter</b> use this special <a href="/cgi-bin/dir/rate.cgi?ID=6034">rating form</a> <li>if this link is broken please <a href="/cgi-bin/dir/bad_link.cgi?ID=6034">let us know</a> </ul> <br> <hr> <i>This is <a href="http://www.dxzone.com/">www.dxzone.com</a> ham and amateur radio internet guide page, it requires frames for proper display.</i> </body>