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man/sndfile-cmp.1 : Improve explanation. Add exist status info.

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Input-from: Jan Stary <hans@stare.cz>
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Erik de Castro Lopo 2014-06-21 18:18:48 +10:00
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man/sndfile-cmp.1
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@ -3,7 +3,7 @@
.Os
.Sh NAME
.Nm sndfile-cmp
.Nd compares two audio files
.Nd compare two audio files
.Sh SYNOPSIS
.Nm sndfile-cmp
.Ar file1
@ -11,11 +11,19 @@
.Sh DESCRIPTION
.Nm
compares the audio data of two sound files.
In particular most differences in the audio file header,
particularly metadata like string info, are completely ignored.
.Pp
sndfile-cmp does its work using libsndfile
For two files to compare as being the same, their channel counts, sample rate,
audio data lengths and actual audio data must match.
Other differences such as string metadata like song title, artist etc and their
presence or absence are ignored.
.Sh EXIT STATUS
.Bl -tag -width 0 -compact
.It 0
The audio data is the same
.It 1
The audio data differs
.El
.Sh SEE ALSO
.Lk http://www.mega-nerd.com/libsndfile
.Sh AUTHORS
This manual page was written by
.An Erik de Castro Lopo Aq Mt erikd@mega-nerd.com .
.An Conrad Parker Aq Mt conrad@metadecks.org
.An Erik de Castro Lopo Aq Mt erikd@mega-nerd.com