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NetBSD 6.1.5 - man page for audioplay (netbsd section 1)

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AUDIOPLAY(1)			   BSD General Commands Manual			     AUDIOPLAY(1)

NAME
     audioplay -- play audio files

SYNOPSIS
     audioplay [-hiqV] [-B buffersize] [-b balance] [-d device] [-p port] [-v volume] [-f
	       [-c channels] [-e encoding] [-P precision] [-s sample-rate]] [files ...]

DESCRIPTION
     The audioplay program copies the named audio files, or the standard input if no files are
     named, to the audio device.  The special name ``-'' is assumed to mean the standard input.
     The input files must contain a valid audio header, and the encoding must be understood by
     the underlying driver.

OPTIONS
     The following options are available:

     -B      Set the write block size to buffersize.  The default value is the play.buffer_size
	     of the audio device.

     -b      Set the balance to balance.  This value must be between 0 and 63.

     -c      When combined with the -f option, sets the number of channels to its argument.

     -d      Set the audio device to be device.  The default is /dev/sound.

     -e      When combined with the -f option, sets the encoding to its argument.  Possible val-
	     ues are mulaw, ulaw, alaw, slinear, linear, ulinear, adpcm, ADPCM, slinear_le,
	     linear_le, ulinear_le, slinear_be, linear_be, ulinear_be, mpeg_l1_stream,
	     mpeg_l1_packets, mpeg_l1_system, mpeg_l2_stream, mpeg_l2_packets, and
	     mpeg_l2_system.

     -f      Force playing, even if the format is unknown.  The -f flag can be used in addition
	     with the -c, -e, -P, and -s flags to change the number of channels, encoding, preci-
	     sion, and sample rate.

     -h      Print a help message.

     -i      If the audio device cannot be opened, exit now rather than wait for it.

     -P      When combined with the -f option, sets the precision to its argument.  This value
	     must be either 4, 8, 16, 24 or 32.

     -p      Set the output port to port.  The valid values of port are ``speaker'',
	     ``headphone'' and ``line''.

     -q      Be quiet.

     -s      When combined with the -f option, sets the sample rate to its argument.  This value
	     must be a valid value for the audio device or an error will be returned.

     -V      Be verbose.

     -v      Set the volume (gain) to volume.  This value must be between 0 and 255.

ENVIRONMENT
     AUDIOCTLDEVICE  the audio control device to be used.

     AUDIODEVICE     the audio device to be used.

EXAMPLES
     Play a raw dump taken from an audio CD ROM:

	   audioplay -f -c 2 -P 16 -s 44100 -e slinear_le filename

     The audioctl(1) program can be used to show the available supported encodings:

	   audioctl encodings

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 play-
     ing 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.

SEE ALSO
     audioctl(1), audiorecord(1), aria(4), audio(4), audioamd(4), auich(4), autri(4), auvia(4),
     clcs(4), clct(4), cmpci(4), eap(4), emuxki(4), esm(4), eso(4), ess(4), fms(4), gus(4),
     guspnp(4), neo(4), sb(4), sv(4), wss(4), yds(4), ym(4)

HISTORY
     The audioplay program was first seen in SunOS 5.  The NetBSD audioplay was first made avail-
     able in NetBSD 1.4.

AUTHORS
     The audioplay program was written by Matthew R. Green <mrg@eterna.com.au>.

BSD					December 30, 2010				      BSD
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