audioplay(1)
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AUDIOPLAY(1) NetBSD Reference Manual AUDIOPLAY(1)
NAME
audioplay - play audio files
SYNOPSIS
audioplay [-iqVh] [-v volume] [-b balance] [-p port] [-d device] [-C ctl]
[-f [-c channels] [-e encoding] [-P precision] [-s sample-rate]] [files
...]
DESCRIPTION
The audioplay program copies the named audiofiles, or the standard input
if no files are named, to the audio device. The input files must contain
a valid audio header, and the encoding must be understood by the underly-
ing driver.
OPTIONS
The following options are available:
-i If the audio device cannot be opened, exit now rather than wait
for it.
-q Be quiet.
-V Be verbose.
-h Print a help message.
-v Set the volume (gain) to volume. This value must be between 0
and 255.
-b Set the balance to balance. This value must be between 0 and 63.
-p Set the output port to port. The valid values of port are
``speaker'', ``headphone'' and ``line''.
-d Set the audio device to be device. The default is /dev/audio0.
-C Set the audio control device to be ctl. The default is
/dev/audioctl0.
-f Force playing, even if the format is unknown. The -f flag can be
used in addition with the following flags to change the number of
channels, encoding, precision and sample rate.
-c when combined with the -f option, sets the number of channels to
it's argument.
-e when combined with the -f option, sets the encoding to it's argu-
ment
-P when combined with the -f option, sets the precision to it's ar-
gument. This value must be either 8, 16, 24 or 32.
-s when combined with the -f option, sets the sample rate to it's
argument. This value must be a valid value for the audio device
or an error will be returned.
ENVIRONMENT
AUDIOCTLDEVICE the audio control device to be used.
AUDIODEVICE the audio device to be used.
NOTES
audioplay can be used to play Sun/NeXT audio files, and also RIFF WAVE
audio files. audioplay can be configured in the ``Netscape'' web browser
as the program to use when playing audio files.
ERRORS
If the audio device or the control device can not be opened, and error is
returned.
If an invalid parameter is specified, an error is returned. The set of
valid values for any audio parameter is specified by the hardware driver.
HISTORY
The audioplay program was first seen in SunOS 5. The NetBSD audioplay
was first made available in NetBSD 1.4.
AUTHOR
The audioplay program was written by Matthew R. Green <mrg@eter-
na.com.au>.
SEE ALSO
audioctl(1), audiorecord(1), audioamd(4), aria(4), audio(4), eap(4),
eso(4), ess(4), gus(4), guspnp(4), sb(4), sv(4), wss(4), ym(4).
NetBSD March 30, 1999 2
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