silentjack - silence detector for the JACK audio system

       This manual page was written by Andrew Gee <andrew@andrewgee.org> for the DebianGNU/Linux system.

                                                       0.2                                         silentjack(1)

silentjack  listens,  using  the  JACK  audio  system, for silence. When silence is detected, it runs the
       command specified. Once the command has been run, a grace period is observed before resuming the  silence
       detection.

       silentjack - silence detector for the JACK audio system

-cport
              Connect to this port

       -nname
              Name of the client (default is 'silentjack')

       -ldb
              Triggering level (default -40 decibels)

       -psecs
              Period of silence required to trigger

       -gsecs
              Grace period

       -n
              Enable verbose mode

       -q
              Enable quiet mode

http://www.aelius.com/njh/silentjack/

silentjack [options] [COMMAND [ARG]...]