<div dir="ltr"><div><div>Depending on the format you should be able to open the audio files in another program (like Audacity [1]) and verify if there are anomalies in the audio itself.</div></div><div><br></div><div>Other than that you could also try using an audio file that is known to not have issues. Try using one of the installed sound files found in Asterisk to see if those have similar symptoms.</div><div><br></div><div>Sometimes clicks and pops could be due to dropped packets. Try getting a pcap and see if any packets are being dropped between Asterisk and the phone.</div><div><br></div><div>[1] <a href="http://www.audacityteam.org/">http://www.audacityteam.org/</a><br></div><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 9, 2017 at 11:17 AM, Naftoli Gugenheim <span dir="ltr"><<a href="mailto:naftoligug@gmail.com" target="_blank">naftoligug@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi, I have an IVR that uses FastAGI, currently running on asterisk 13 (via the <font face="monospace">cleardevice/docker-cert-<wbr>asterisk13-ubuntu</font> docker image).<div><br></div><div>The problem: In between playing audio files there is an audible click. I'm not sure if somehow the audio files themselves contain clicks and for some reason I don't notice when playing them without asterisk but over the phone they're magnified, if it's a codec issue, if I'm doing something the wrong way, or what. Any help is greatly appreciated!</div></div></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div><br></div><div>Here is an illustration of what I mean, generated using a call recording app on my phone: <a href="https://drive.google.com/open?id=0B2SmgnDyV1aETDZrdnJBTU82RGc" target="_blank">https://drive.google.<wbr>com/open?id=<wbr>0B2SmgnDyV1aETDZrdnJBTU82RGc</a></div><div><br></div><div>Here are the files from the server that it uses: <a href="https://drive.google.com/open?id=0B2SmgnDyV1aEWGNJYy13OGZMTUU" target="_blank">https://drive.google.<wbr>com/open?id=<wbr>0B2SmgnDyV1aEWGNJYy13OGZMTUU</a></div><div><br></div><div>I'm not sure why I have both .wav and .sln files.</div><div><br></div><div>Here is some information from the asterisk CLI:</div><div><br></div><div><br></div><div><div><font face="monospace">ubuntu@chavrusa-main:~$ docker-compose exec asterisk asterisk -r</font></div><div><font face="monospace">Asterisk certified/13.1-cert4, Copyright (C) 1999 - 2014, Digium, Inc. and others.</font></div><div><font face="monospace">Created by Mark Spencer <<a href="mailto:markster@digium.com" target="_blank">markster@digium.com</a>></font></div><div><font face="monospace">Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details.</font></div><div><font face="monospace">This is free software, with components licensed under the GNU General Public</font></div><div><font face="monospace">License version 2 and other licenses; you are welcome to redistribute it under</font></div><div><font face="monospace">certain conditions. Type 'core show license' for details.</font></div><div><font face="monospace">==============================<wbr>==============================<wbr>=============</font></div><div><font face="monospace">Connected to Asterisk certified/13.1-cert4 currently running on 9c5c45693e10 (pid = 17)</font></div><div><font face="monospace">9c5c45693e10*CLI> core show version </font></div><div><font face="monospace">Asterisk certified/13.1-cert4 built by root @ 2dcc79fb8a1e on a x86_64 running Linux on 2016-03-03 08:25:13 UTC</font></div><div><font face="monospace">9c5c45693e10*CLI> core show file formats </font></div><div><font face="monospace">Format Name Extensions </font></div><div><font face="monospace">------ ---- ---------- </font></div><div><font face="monospace">siren7 siren7 siren7 </font></div><div><font face="monospace">g719 g719 g719 </font></div><div><font face="monospace">h264 h264 h264 </font></div><div><font face="monospace">siren14 siren14 siren14 </font></div><div><font face="monospace">h263 h263 h263 </font></div><div><font face="monospace">gsm gsm gsm </font></div><div><font face="monospace">gsm wav49 WAV|wav49 </font></div><div><font face="monospace">ilbc iLBC ilbc </font></div><div><font face="monospace">slin192 sln192 sln192 </font></div><div><font face="monospace">slin96 sln96 sln96 </font></div><div><font face="monospace">slin48 sln48 sln48 </font></div><div><font face="monospace">slin44 sln44 sln44 </font></div><div><font face="monospace">slin32 sln32 sln32 </font></div><div><font face="monospace">slin24 sln24 sln24 </font></div><div><font face="monospace">slin16 sln16 sln16 </font></div><div><font face="monospace">slin12 sln12 sln12 </font></div><div><font face="monospace">slin sln sln|raw </font></div><div><font face="monospace">slin16 wav16 wav16 </font></div><div><font face="monospace">slin wav wav </font></div><div><font face="monospace">g723 g723sf g723|g723sf </font></div><div><font face="monospace">g729 g729 g729 </font></div><div><font face="monospace">g726 g726-16 g726-16 </font></div><div><font face="monospace">g726 g726-24 g726-24 </font></div><div><font face="monospace">g726 g726-32 g726-32 </font></div><div><font face="monospace">g726 g726-40 g726-40 </font></div><div><font face="monospace">g722 g722 g722 </font></div><div><font face="monospace">ulaw au au </font></div><div><font face="monospace">alaw alaw alaw|al|alw </font></div><div><font face="monospace">ulaw pcm pcm|ulaw|ul|mu|ulw </font></div><div><font face="monospace">29 file formats registered.</font></div><div><font face="monospace">9c5c45693e10*CLI> core show codecs audio <br></font></div><div><font face="monospace">Disclaimer: this command is for informational purposes only.</font></div><div><font face="monospace"><span style="white-space:pre-wrap"> </span>It does not indicate anything about your configuration.</font></div><div><font face="monospace"> ID TYPE NAME DESCRIPTION</font></div><div><font face="monospace">------------------------------<wbr>------------------------------<wbr>-----------------------</font></div><div><font face="monospace"> 5 audio g726 (G.726 RFC3551)</font></div><div><font face="monospace"> 3 audio alaw (G.711 a-law)</font></div><div><font face="monospace"> 1 audio g723 (G.723.1)</font></div><div><font face="monospace"> 19 audio speex (SpeeX)</font></div><div><font face="monospace"> 20 audio speex (SpeeX 16khz)</font></div><div><font face="monospace"> 21 audio speex (SpeeX 32khz)</font></div><div><font face="monospace"> 23 audio g722 (G722)</font></div><div><font face="monospace"> 7 audio adpcm (Dialogic ADPCM)</font></div><div><font face="monospace"> 24 audio siren7 (ITU G.722.1 (Siren7, licensed from Polycom))</font></div><div><font face="monospace"> 27 audio g719 (ITU G.719)</font></div><div><font face="monospace"> 18 audio g729 (G.729A)</font></div><div><font face="monospace"> 8 audio slin (16 bit Signed Linear PCM)</font></div><div><font face="monospace"> 9 audio slin (16 bit Signed Linear PCM (12kHz))</font></div><div><font face="monospace"> 10 audio slin (16 bit Signed Linear PCM (16kHz))</font></div><div><font face="monospace"> 11 audio slin (16 bit Signed Linear PCM (24kHz))</font></div><div><font face="monospace"> 12 audio slin (16 bit Signed Linear PCM (32kHz))</font></div><div><font face="monospace"> 13 audio slin (16 bit Signed Linear PCM (44kHz))</font></div><div><font face="monospace"> 14 audio slin (16 bit Signed Linear PCM (48kHz))</font></div><div><font face="monospace"> 15 audio slin (16 bit Signed Linear PCM (96kHz))</font></div><div><font face="monospace"> 16 audio slin (16 bit Signed Linear PCM (192kHz))</font></div><div><font face="monospace"> 2 audio ulaw (G.711 u-law)</font></div><div><font face="monospace"> 17 audio lpc10 (LPC10)</font></div><div><font face="monospace"> 26 audio testlaw (G.711 test-law)</font></div><div><font face="monospace"> 39 audio none (<Null> codec)</font></div><div><font face="monospace"> 25 audio siren14 (ITU G.722.1 Annex C, (Siren14, licensed from Polycom))</font></div><div><font face="monospace"> 6 audio g726aal2 (G.726 AAL2)</font></div><div><font face="monospace"> 4 audio gsm (GSM)</font></div><div><font face="monospace"> 22 audio ilbc (iLBC)</font></div><div><font face="monospace"> 28 audio opus (Opus Codec)</font></div><div><br></div></div></div></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><pre style="padding:2px;border:1px solid rgb(114,99,77);background-color:rgb(238,238,238);color:rgb(0,0,0);overflow:auto">Kevin Harwell
Digium, Inc. | Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: <a href="http://digium.com" target="_blank">http://digium.com</a> & <a href="http://asterisk.org" target="_blank">http://asterisk.org</a></pre></div></div>
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