squelch.1 manual page




NAME

       squelch - apply squelch to an audio signal


SYNOPSIS

       squelch level


DESCRIPTION

       squelch  reads audio data from stdin, applies a squelching
       algorithm, and writes the squelched audio to stdout.

       Squelching a signal means that the output signal  is  sup-
       pressed  if its energy level falls below a certain thresh-
       old level.  A properly adjusted squelch setting suppresses
       background noise but not any of the interesting signal.


OPTIONS

       level  The audio level below which the signal will be sup-
              pressed.


AUTHOR

       Greg Hewgill <greg@hewgill.com>
       http://hewgill.com


SEE ALSO

       rec(1)


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