<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi all,<div>thanks to your supposrt I’ve released a voip application based on GStreamer :-) <a href="https://itunes.apple.com/it/app/ipdoor/id881935787?mt=8">https://itunes.apple.com/it/app/ipdoor/id881935787?mt=8</a></div><div>Unfortunately our customer are complaining about acoustic echo on iPad devices.</div><div><br></div><div>I’m using Grstreamer version 1.2.4 and I’ve added a schema about my two pipelines, it seems osxaudiosink and osxaudiosrc generate a bad acoustic echo, </div><div><br></div><div>Someone has experience on such kind of issues?</div><div><pre style="padding: 0px; margin-top: 0px; margin-bottom: 0px; font-size: 13px;"><br></pre><pre style="padding: 0px; margin-top: 0px; margin-bottom: 0px; font-size: 13px;"><span style="font-size: 1.1em;"># .-------. .----------. .---------. .-------. .-------------.</span></pre><pre style="padding: 0px; margin-top: 0px; margin-bottom: 0px; font-size: 13px;"><code style="font-size: 1.1em;"># RTP |udpsrc | | rtpbin | |pcmadepay| |alawdec| |<font color="#e32400">osxaudiosink</font> |
# port=5002 | src->recv_rtp recv_rtp->sink src->sink src->sink |
# '-------' | | '---------' '-------' '-------------'
# | |
# | | .-------.
# | | |udpsink| RTCP
# | send_rtcp->sink | port=5007
# .-------. | | '-------' sync=false
# RTCP |udpsrc | | | async=false
# port=5003 | src->recv_rtcp |
# '-------' '----------'</code></pre><pre style="padding: 0px; margin-top: 0px; margin-bottom: 0px; font-size: 13px;"><code style="font-size: 1.1em;"><br></code></pre><pre style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><code style="font-size: 1.1em;"><font color="#000000" size="3">This is a schema about the pipeline to <u>send</u></font><u> audio content</u></code></pre><pre style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><code style="font-size: 1.1em;"><pre style="background-color: rgb(255, 255, 255); padding: 0px; margin-top: 0px; margin-bottom: 0px; position: static; z-index: auto;"><code style="font-size: 1.1em;"># .-----------. .-------. .-------. .----------. .-------.
# |<font color="#e32400">osxaudiosrc</font>| |alawenc| |pcmapay| | rtpbin | |udpsink| RTP
# | src->sink src->sink src->send_rtp send_rtp->sink | port=5002
# '-----------' '-------' '-------' | | '-------'
# | |
# | | .-------.
# | | |udpsink| RTCP
# | send_rtcp->sink | port=5003
# .-------. | | '-------' sync=false
# RTCP |udpsrc | | | async=false
# port=5007 | src->recv_rtcp |
# '-------' '----------'
</code></pre><br class="Apple-interchange-newline"></code></pre><div>Thanks a lot for your support!</div></div><div>Elio</div><div><br></div></body></html>