<div dir="ltr">thanks<div>I think the my test scenario is not correct. I'm playing the sound file to a test call and it seems spandsp is not monitoring the played file rtp. when I play the file using laptop mic it detects it with descriptor 49. the original problem is false detections during normal calls. I will test your suggestions when I can record a conversation in which false detection happened.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 7, 2016 at 4:34 PM, Piotr Gregor <span dir="ltr"><<a href="mailto:piotrek.gregor@gmail.com" target="_blank">piotrek.gregor@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Babak,<div><br></div><div>you can also try avmd module for a detection of single frequency sound.</div><div>I have tested avmd on your audio and it detected 425.69 Hz frequency</div><div>when it's variance threshold was set to 0.0006, 446.23 Hz with default</div><div>threshold of 0.00025.</div><div><br></div><div><br></div><div><div>2016-04-07 12:32:05.820909 [NOTICE] switch_channel.c:1104 New Channel sofia/internal/<a href="mailto:1000@192.168.1.27" target="_blank">1000@192.168.1.27</a> [4e41e5be-51a0-42fa-87b5-8fde76744530]</div><div>2016-04-07 12:32:06.060908 [INFO] mod_dialplan_xml.c:637 Processing beautiful display name <1000>->1705 in context default</div><div><br></div><div><div><div> api avmd 4e41e5be-51a0-42fa-87b5-8fde76744530 start</div><div><br></div><div> Content-Type: api/response</div><div> Content-Length: 89</div><div><br></div><div> +OK</div><div> [4e41e5be-51a0-42fa-87b5-8fde76744530] [sofia/internal/<a href="mailto:1000@192.168.1.27" target="_blank">1000@192.168.1.27</a>] started!</div></div></div><div><br></div><div>2016-04-07 12:32:12.760908 [INFO] switch_core_media_bug.c:701 Sending early media</div><div>2016-04-07 12:32:12.760908 [NOTICE] sofia_media.c:92 Pre-Answer sofia/internal/<a href="mailto:1000@192.168.1.27" target="_blank">1000@192.168.1.27</a>!</div><div>2016-04-07 12:32:12.760908 [INFO] mod_avmd.c:279 Avmd session initialized, [8000] samples/s</div><div>2016-04-07 12:32:12.760908 [INFO] mod_avmd.c:739 Avmd on channel [sofia/internal/<a href="mailto:1000@192.168.1.27" target="_blank">1000@192.168.1.27</a>] started!</div><div>2016-04-07 12:32:17.480907 [NOTICE] mod_avmd.c:919 <<< AVMD - Beep Detected: f = [425.688780], variance = [0.000533] >>></div></div><div><br></div><div><br></div><div>Avmd works for single frequency tones. Be sure to checkout latest master (this module</div><div>is yet not of a production quality at this moment).</div><div><br></div><div>cheers,</div><div>Piotr</div><div class="gmail_extra"><br></div></div>
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