File: gwavr.1

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.TH GWAVR 1 "06 October 1997" "Wav-Tools 1.3"
.SH NAME
gwavr \- record a GSM compressed wave audio file
.SH SYNOPSYS
.BR "gwavr"
.RB [ " \-f"
.IR "filename " ]
.RB [ " \-r "
.IR "samplerate " ]
.RB [ " \-d "
.IR "sampledepth " ]
.br
.RB [ " \-c"
.IR "numchans " ]
.RB [ "\-s"
.BR "l " |
.BR "m " |
.BR "c " ]
.br

.SH DESCRIPTION
.B gwavr 
will record a 
.I PCM 
encoded wav file from 
.I /dev/dsp
then compress the data with the
.I GSM
algorythm leaving the file as small as 1/10th its usual size. The sample 
format, length and source of the recording can all be supplied at  the command
line.  If a mixer program is running, it can be used to set the recording 
source and volume levels of that source.  Without arguments, 
.B gwavr 
will output its useage.

.SH OPTIONS
.TP
.B \-f filename
Uses 
.I filename 
as the name of the recorded wave file. The default is 
untitled.wav which will be used if 
.I \-f 
is not given.

.TP
.B \-r samplerate
Asks for 
.I samplerate 
to be used as the number of samplesss per second to
be recorded.  Common values are 
.B "44100"
, 
.B "22050"
, 
.B "11025"
, 
.B "8000"
.  The default value is 8000.

.TP
.B \-d sampledepth
Uses 
.I sampledepth 
as the number of bits to use for each sample.  Valid
values are 
.B "16"
, and 
.B "8"
\.

.TP
.B \-c numchans
Uses 
.I numchans 
channels in recording. Valid values are 
.B 2 
for a stereo recording, and 
.B 1 
for a mono recording.

.TP
.B \-l length
Records for
.I length 
seconds then stops.  This is not a required option. You may simply ^C the
program and it will exit gracefully.

.TP
.B \-s m|l|c
Sets the mixer to the appropriate recording source.  
.B l 
\= line, 
.B m 
\= mic, and 
.B c 
\= cd-rom.  If a mixer is already running, it can be used to specify recording
source and volume levels.

.SH SEE ALSO
wavp (1) wavr (1) gwavp (1)

.SH AUTHOR
Colin Ligertwood (tannoy@wep.net)