man1/apower.1

#

    apower(1)							    apower(1)

    NAME
      apower - Measure signal power	of stdin

    SYNOPSIS
      apower [-bs blocksize] [-e encoding] [-ccitt]

    DESCRIPTION

      apower measures the power of a signal	on stdin, printing the power level on
      stdout every blocksize.  arecord(1) |	apower is a useful command pipeline.

    OPTIONS

      [-bs]

           Specifies the blocksize.	 Defaults to 8000 (one second).

      [-ccitt]

           Calculates the signal power relative to the official CCITT digital
           milliwatt.  Otherwise calculates	the power relative to a	sine wave
           3.16 dB below digital clipping level.

      [-e]

           Specifies the encoding of the data. Valid arguments given by giving a
           random value to -e.

    ENVIRONMENT

      none

    BUG
      Probably.

      If you encounter a reproducible bug, please submit a problem report to
      (af-bugs@crl.dec.com).

    SEE ALSO
      atone(1) arecord(1)

    COPYRIGHT
      Copyright 1993-1994, Digital Equipment Corporation.
      See AF(1) for	a full statement of rights and permissions.

    AUTHORS
      Digital Cambridge Research Lab