167 lines
4.1 KiB
Groff
167 lines
4.1 KiB
Groff
.\" $NetBSD: audiorecord.1,v 1.14 2001/06/05 10:08:04 wiz Exp $
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.\"
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.\" Copyright (c) 1998-1999 Matthew R. Green
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd March 30, 1999
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.Dt AUDIORECORD 1
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.Os
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.Sh NAME
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.Nm audiorecord
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.Nd record audio files
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.Sh SYNOPSIS
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.Nm
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.Op Fl afhV
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.Op Fl b Ar balance
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.Op Fl C Ar ctl
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.Op Fl c Ar channels
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.Op Fl d Ar device
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.Op Fl e Ar encoding
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.Op Fl i Ar info
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.Op Fl m Ar monvol
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.Op Fl P Ar precision
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.Op Fl p Ar input
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.Op Fl s Ar rate
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.Op Fl t Ar time
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.Op Fl v Ar volume
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.Op files
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.Sh DESCRIPTION
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The
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.Nm
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program copies the audio devices to the named audiofile, or the standard
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output if no file is named.
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The output file will contain a Sun/NeXT audio header.
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.Sh OPTIONS
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The following options are available:
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.Bl -tag -width 123456
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.It Fl a
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Append to the specified file, rather than overwriting.
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.It Fl b
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Set the balance to
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.Ar balance .
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This value must be between 0 and 63.
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.It Fl C
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Set the audio control device to be
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.Ar ctl .
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The default is
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.Pa /dev/audioctl0 .
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.It Fl c
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Set number of channels to
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.Ar channels .
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.It Fl d
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Set the audio device to be
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.Ar device .
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The default is
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.Pa /dev/audio0 .
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.It Fl e
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Set encoding to either
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.Dq alaw ,
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.Dq ulaw
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or
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.Dq linear .
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The default encoding is
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.Dq ulaw .
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.It Fl f
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Force. Normally when appending to audiofiles using the
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.Fl a
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option, the sample rates must match. The
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.Fl f
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option will allow a discrepancy to be ignored.
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.It Fl h
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Print a help message.
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.It Fl i
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If the audio device cannot be opened, exit now rather than wait for it.
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.It Fl m
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Set the monitor volume.
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.It Fl P
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Set the precision. This value is the number of bits per sample, and is
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normally either
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.Dq 8
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or
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.Dq 16 ,
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though the values
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.Dq 4 ,
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.Dq 24
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and
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.Dq 32
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are also valid.
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.It Fl p
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Set the output port to
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.Ar port .
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The valid values of
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.Ar port
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are
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.Dq speaker ,
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.Dq headphone
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and
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.Dq line .
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.It Fl s
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Set the sampling rate. This value is per-second. Typical values are
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8000, 44100 and 48000, which are the telephone, CD Audio and DAT Audio
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default sampling rates.
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.It Fl t
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Sets the maximum amount of time to record. Format is [hh:]mm:ss.
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.It Fl q
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Be quiet.
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.It Fl V
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Be verbose.
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.It Fl v
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Set the volume (gain) to
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.Ar volume .
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This value must be between 0 and 255.
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.El
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.Sh ENVIRONMENT
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.Bl -tag -width AUDIOCTLDEVICE
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.It AUDIOCTLDEVICE
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the audio control device to be used.
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.It AUDIODEVICE
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the audio device to be used.
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.El
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.Sh HISTORY
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The
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.Nm
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program was first seen in SunOS 5. It was first made available in
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.Nx 1.4 .
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.Sh AUTHOR
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The
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.Nm
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program was written by Matthew R. Green <mrg@eterna.com.au>.
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.Sh SEE ALSO
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.Xr audioctl 1 ,
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.Xr audioplay 1 ,
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.Xr audioamd 4 ,
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.Xr aria 4 ,
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.Xr audio 4 ,
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.Xr eap 4 ,
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.Xr eso 4 ,
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.Xr ess 4 ,
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.Xr gus 4 ,
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.Xr guspnp 4 ,
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.Xr sb 4 ,
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.Xr sv 4 ,
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.Xr wss 4 ,
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.Xr ym 4 .
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