[LAU] Silence detection/automation

Philipp Überbacher hollunder at lavabit.com
Tue Aug 17 14:45:13 UTC 2010

Excerpts from Vruwink, Timothy Roger's message of 2010-08-17 16:32:18 +0200:
> Hi -
> I recently found out about JACK through SilentJack no less and realize I may
> have found a good tool to do silence detection for my audio streams.
> I've got Jack setup and running along with JackMeter and SilentJack. This is
> running on an OpenSuse box (11.3) running Gnome and qJackCTL.
> I am running VLC to open my audio streams (mix of Real, Windows, MP3,
> Quicktime).
> Does anyone have any tutorials for automating Jack though? It seems
> cumbersome to have to recreate the various audio connections (say after
> rebooting). I don't see a way to statically assign output ports using VLC.
> Ideally, I'd like to automate as much as possible upon logging into the
> machine.

If you have a rather static setup, and already use qjackctl, then you
can use its patchbay. It may be a bit painful to set up, but I guess
it's fairly automatic from there on.

> Last question - Does anyone have any examples of scripts to run after
> SilentJack has detected silence? Obviously, I was thinking about an email
> alert. I wasn't sure about the syntax needed though.
> Thanks for any help or pointers.
> Tim

"Wir stehen selbst enttäuscht und sehn betroffen / Den Vorhang zu
und alle Fragen offen." Bertolt Brecht, Der gute Mensch von Sezuan

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