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Signed-off-by: B. Watson <yalhcru@gmail.com> Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
169 lines
4.8 KiB
Groff
169 lines
4.8 KiB
Groff
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.TH "MAC" 1 "2021-11-25" "3.99_u4_b5_s7" "SlackBuilds.org"
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.SH NAME
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mac \- decode/encode Monkey's Audio codec files
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.\" RST source for mac(1) man page. Convert with:
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.
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.\" rst2man.py mac.rst > mac.1
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.
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.\" rst2man.py comes from the SBo development/docutils package.
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.
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.SH SYNOPSIS
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.sp
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\fBmac\fP [\fIinput\-file\fP] [\fIoutput\-file\fP] [ [\fB\-c\fP | \fB\-n\fP ] \fIlevel\fP ]
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.sp
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\fBmac\fP [\fIinput\-file\fP] [ \fB\-d\fP | \fB\-v\fP | \fB\-q\fP ]
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.SH DESCRIPTION
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.sp
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Monkey\(aqs Audio (aka APE) is a lossless audio compression format,
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similar to FLAC. mac is a console frontend to Monkey\(aqs Audio, able to
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encode and decode APE audio files.
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.sp
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If you encode a WAV file to APE, then decode it back to WAV, the
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audio in the decoded WAV file will be byte\-for\-byte identical to the
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original (although any extra data such as tags/comments in the RIFF
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header will not be preserved).
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.SH OPTIONS
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.sp
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Note: Only one of the options below can be given, and it must occur
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last on the command line (after the filename(s)). Spaces are not
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allowed between the \fB\-c\fP or \fB\-n\fP option and its \fIlevel\fP argument.
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.INDENT 0.0
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.TP
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.B \fB\-c[level]\fP
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Compress (encode). \fIinput\-file\fP must be a WAV file with 16\-bit samples.
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\fIoutput\-file\fP will be an APE audio file. Higher \fIlevel\fPs result
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in better compression, at the expense of longer encoding time. The
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supported levels are:
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.INDENT 7.0
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.INDENT 3.5
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.INDENT 0.0
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.TP
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.B 1000
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\fI(fast)\fP, usually around 45%\-50% compression ratio.
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.TP
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.B 2000
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\fI(normal)\fP, usually around 40%\-45% compression ratio.
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.TP
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.B 3000
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\fI(high)\fP, only slightly better than 2000 (usually by 1% or so).
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.TP
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.B 4000
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\fI(very high)\fP, probably the point of diminishing returns.
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.TP
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.B 5000
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\fI(insane)\fP, takes around 3x as long as 4000, may not compress any better.
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.TP
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.B \fB\-n[level]\fP
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Convert (recompress). As \fB\-c\fP, but \fBinput\-file\fP must be an APE audio
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file.
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.TP
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.B \fB\-d\fP
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Decompress (decode). \fIinput\-file\fP must be an APE audio file.
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\fIoutput\-file\fP will be a WAV file.
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.TP
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.B \fB\-v\fP
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Verify. \fIinput\-file\fP must be an APE audio file. It will be decoded, and
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any errors will be displayed, but the decoded audio won\(aqt be saved.
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.TP
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.B \fB\-q\fP
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Quick verify. Just checks that \fIinput\-file\fP has a valid APE header.
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.TP
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.B \fB\-\-help\fP
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Show built\-in usage message (same as running \fBmac\fP with no arguments).
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.UNINDENT
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.SH EXAMPLES
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.INDENT 0.0
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.TP
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.B Compress
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mac "Metallica \- One.wav" "Metallica \- One.ape" \-c2000
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.TP
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.B Decompress
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mac "Metallica \- One.ape" "Metallica \- One.wav" \-d
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.TP
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.B Verify
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mac "Metallica \- One.ape" \-v
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.TP
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.B Quick verify
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mac "Metallica \- One.ape" \-q
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.UNINDENT
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.sp
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Note that filenames with spaces and punctuation should be put inside
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quote, as usual.
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.SH NOTES
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.sp
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\fBmac\fP can only handle WAV files with 8\- or 16\-bit samples, not
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e.g. 24\-bit or floating point. If needed, you can convert to 16\-bit
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with a command like:
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.INDENT 0.0
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.INDENT 3.5
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$ sox \-G input.wav \-b16 output.wav
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.UNINDENT
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.UNINDENT
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.sp
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WAV files must have 1 or 2 channels (mono or stereo;
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quad/surround/5.1/etc are not supported). Any sampling rate is
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supported.
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.sp
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\fBffmpeg\fP(1) can decode and convert APE files, though it cannot encode
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to APE.
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.sp
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\fBmplayer\fP(1) and \fBaudacious\fP(1) can play APE files.
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.sp
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\fBfile\fP(1) knows about APE files. Example:
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.INDENT 0.0
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.INDENT 3.5
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$ file test.ape
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.sp
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test.ape: Monkey\(aqs Audio compressed format version 3990 with normal compression, stereo, sample rate 48000
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.UNINDENT
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.UNINDENT
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.SH COPYRIGHT
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.sp
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See the file /usr/doc/mac\-3.99_u4_b5_s7/License.htm for license information.
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.SH AUTHORS
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.sp
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The original Monkey\(aqs Audio Codec was written by Matthew
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T. Ashland. It was ported to Linux by Frank Klemm and SuperMMX, then
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enhanced and bugfixed by Jason Jordan.
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.sp
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This man page written for the SlackBuilds.org project
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by B. Watson, and is licensed under the WTFPL.
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.SH SEE ALSO
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.sp
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\fBffmpeg\fP(1), \fBmplayer\fP(1), \fBaudacious\fP(1), \fBflac\fP(1), \fBshorten\fP(1), \fBsox\fP(1)
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.sp
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The Monkey\(aqs Audio Codec homepage: \fI\%http://www.monkeysaudio.com/\fP
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.\" Generated by docutils manpage writer.
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