<div dir="auto"><div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le ven. 30 avr. 2021 06 h 45, ALex_K via gstreamer-devel <<a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi! I'm trying to use webrtcdsp echo cancellation.<br>
<br>
alsasrc ! audioconvert ! webrtcdsp ! webrtcechoprobe ! avenc_g726<br>
bitrate=32000 ! rtpg726pay  ! udpsink port=<br>
<br>
But is is not working for me.</blockquote></div></div><div dir="auto"><br></div><div dir="auto">This is an incorrect usage of these elements. The probe needs to be next to an audio sink (e.g. before alsasink/pulsesink). The probe monitors what goes to your loud speaker so it can be removed from the stream coming from your microphone (alsasrc). Some explanation can be found here.</div><div dir="auto"><br></div><div dir="auto"> <a href="https://ndufresne.ca/2016/06/gstreamer-echo-canceller/">https://ndufresne.ca/2016/06/gstreamer-echo-canceller/</a></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">P.s. alsasink introduce 200ms of latency by default, which is too much for echo cancellation. Consider reducing the buffer-time property).</div><div dir="auto"><br></div><div dir="auto"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <br>
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