atone(1) atone(1)
NAME
atone - Generate a sine wave to stdout
SYNOPSIS
atone [-freq frequency] [-power power] [-phase phase] [-peak peak] [-time
time]
DESCRIPTION
atone generates a sine wave tone on stdout in MU255 format. atone | aplay
is a useful command pipeline.
OPTIONS
[-freq]
Specifies the frequency in Hz. Defaults to 1000.0.
[-power]
Specifies the power level in dB, relative to the digital milliwatt.
Defaults to -10.0.
[-phase]
Specifies the initial phase of the sine wave. Legal values are in the
range 0 to 1024 - which represent the cycle divided into 1024 parts.
Defaults to 0.
[-peak]
Specifies the peak integer value corresponding to the digital clipping
level. Defaults to 8031. Don't change this one.
[-time]
Generates so many seconds of tone. Default is infinite.
ENVIRONMENT
none
BUG
Probably.
If you encounter a reproducible bug, please submit a problem report to
(af-bugs@crl.dec.com).
SEE ALSO
apower(1) aplay(1)
COPYRIGHT
Copyright 1993-1994, Digital Equipment Corporation.
See AF(1) for a full statement of rights and permissions.
AUTHORS
Digital Cambridge Research Lab