New sentence, new line. Sort options. Bump Dd for .wav-file handling.
Some nits.
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wiz
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@ -1,4 +1,4 @@
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.\" $NetBSD: audiorecord.1,v 1.28 2002/10/13 00:56:44 mrg Exp $
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.\" $NetBSD: audiorecord.1,v 1.29 2002/10/13 01:03:48 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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@ -26,20 +26,20 @@
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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 January 15, 2002
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.Dd October 13, 2002
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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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.Nm ""
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.Op Fl afhV
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.Op Fl b Ar balance
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.Op Fl F Ar format
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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 F Ar format
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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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@ -55,12 +55,13 @@ program copies the audio device to the named audiofile or to the standard
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output if no file is named.
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.Pp
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The output file will contain either a Sun/NeXT audio header, a
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RIFF/WAVE audio header or no header at all. Sun output files
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using a linear PCM encoding are written with big-endian signed samples,
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possibly after converting these from little-endian or unsigned
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samples. RIFF/WAVE files are written in little-endian, signed
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samples, also converting if necessary. The default output is
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Sun/NeXT format, but if the output file
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RIFF/WAVE audio header or no header at all.
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Sun output files using a linear PCM encoding are written with big-endian
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signed samples, possibly after converting these from little-endian or
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unsigned samples.
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RIFF/WAVE files are written in little-endian, signed samples, also
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converting if necessary.
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The default output is Sun/NeXT format, but if the output file
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.Ar file
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ends with a
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.Pa .wav
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@ -74,15 +75,6 @@ Append to the specified file, rather than overwriting.
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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 F
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Set the output header format to
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.Ar format .
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Currently supported formats are
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.Dq sun ,
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.Dq wav
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and
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.Dq none
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for Sun/NeXT audio, WAV and no header, respectively.
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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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@ -112,10 +104,21 @@ Setting the argument to
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still may be important since it is used in an
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.Xr ioctl 2
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call to the kernel to choose the kind of data provided.
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.It Fl F
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Set the output header format to
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.Ar format .
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Currently supported formats are
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.Dq sun ,
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.Dq wav
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and
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.Dq none
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for Sun/NeXT audio, WAV and no header, respectively.
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.It Fl f
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Force. Normally when appending to audiofiles using the
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Force.
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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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option, the sample rates must match.
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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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@ -129,8 +132,8 @@ to the output header.
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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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Set the precision.
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This value is the number of bits per sample, and is normally either
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.Dq 8
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or
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.Dq 16 ,
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@ -151,11 +154,13 @@ are
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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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Set the sampling rate.
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This value is per-second.
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Typical values are 8000, 44100 and 48000, which are the telephone,
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CD Audio and DAT Audio 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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Sets the maximum amount of time to record.
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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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@ -201,7 +206,8 @@ the audio device to be used.
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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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program was first seen in SunOS 5.
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It was first made available in
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.Nx 1.4 .
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RIFF/WAVE support, and support for converting signed/unsigned and
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big/little-endian samples was first made available in
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@ -209,7 +215,8 @@ big/little-endian samples was first made available in
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.Sh AUTHORS
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The
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.Nm
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program was written by Matthew R. Green \*[Lt]mrg@eterna.com.au\*[Gt].
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program was written by
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.An Matthew R. Green Aq mrg@eterna.com.au .
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.Sh BUGS
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WAV big-endian samples are converted to little-endian, rather than
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a RIFX header being written.
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