webrtcdsp voice detection

Nicolas Dufresne nicolas at ndufresne.ca
Fri Apr 8 13:31:23 UTC 2022

Le vendredi 08 avril 2022 à 11:10 +0000, Dejan Cotra via gstreamer-devel a
écrit :

> I know that I can retrieve informations from webrtcdsp voice detection via bus
> messages. I receive GST_MESSAGE_ELEMENT message from webrtcdsp element with
> payload like this:
> voice-activity, stream-time=(guint64)2640000000, stream-has-
> voice=(boolean)false;
> Question is can I retrieve informations about voice detection in some other
> way. Like metainfo of each sample that I pull from appsink element? Or
> something similar?

It also sets the voice_activity boolean in GstAudioLevelMeta (along with the
audio amplitude). This is per buffers, not per samples. So you get feedback
every 10ms more or less.


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