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120 lines
3.1 KiB
Groff
120 lines
3.1 KiB
Groff
.\" This manpage has been automatically generated by docbook2man
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.\" from a DocBook document. This tool can be found at:
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.\" <http://shell.ipoline.com/~elmert/comp/docbook2X/>
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.\" Please send any bug reports, improvements, comments, patches,
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.\" etc. to Steve Cheng <steve@ggi-project.org>.
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.TH "RUBBERBAND" "1" "15 September 2014" "" ""
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.SH NAME
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rubberband \- an audio time-stretching and pitch-shifting utility program
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.SH SYNOPSIS
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\fBrubberband\fR [ \fB\fIoptions\fB\fR ] [ \fB\fIinput file\fB\fR ] [ \fB\fIoutput file\fB\fR ]
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.SH "DESCRIPTION"
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.PP
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This manual page documents briefly the
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\fBrubberband\fR command.
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.PP
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Rubber Band is a program that permits you to change the
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tempo and pitch of an audio recording independently of one
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another.
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.SH "OPTIONS"
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.PP
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These programs follow the usual GNU command line syntax,
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with long options starting with two dashes (`-'). A summary of
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options is included below.
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.PP
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You must specify at least one of the following time and
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pitch ratio options.
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.TP
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\fB-t, --time \fIX\fB\fR
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Stretch to \fIX\fR times original
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duration, or
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.TP
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\fB-T, --tempo \fIX\fB\fR
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Change tempo by multiple \fIX\fR (equivalent to --time 1/X)
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.TP
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\fB-p, --pitch \fIX\fB\fR
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Raise pitch by \fIX\fR semitones, or
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.TP
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\fB-f, --frequency \fIX\fB\fR
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Change frequency by multiple \fIX\fR
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.PP
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The following option provides a simple way to adjust the
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sound. See below for more details.
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.TP
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\fB-n, --crisp \fIN\fB\fR
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Crispness (N = 0,1,2,3,4,5); default 4 (see below)
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.PP
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The remaining options fine-tune the processing mode and
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stretch algorithm. These are mostly included for test purposes;
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the default settings and standard crispness parameter are
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intended to provide the best sounding set of options for most
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situations.
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.TP
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\fB-P, --precise\fR
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Aim for minimal time distortion (implied by -R)
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.TP
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\fB-R, --realtime\fR
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Select realtime mode (implies -P --no-threads)
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.TP
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\fB--no-threads\fR
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No extra threads regardless of CPU and channel count
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.TP
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\fB--threads\fR
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Assume multi-CPU even if only one CPU is identified
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.TP
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\fB--no-transients\fR
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Disable phase resynchronisation at transients
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.TP
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\fB--bl-transients\fR
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Band-limit phase resync to extreme frequencies
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.TP
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\fB--no-peaklock\fR
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Disable phase locking to peak frequencies
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.TP
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\fB--no-softening\fR
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Disable large-ratio softening of phase locking
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.TP
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\fB--window-long\fR
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Use longer processing window (actual size may vary)
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.TP
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\fB--window-short\fR
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Use shorter processing window
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.TP
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\fB--thresh \fIN\fB \fIF\fB\fR
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Set internal freq threshold \fIN\fR (N = 0,1,2) to \fIF\fR Hz
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.TP
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\fB-d, --debug \fIN\fB\fR
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Select debug level (N = 0,1,2,3); default 0, full 3
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(N.B. debug level 3 includes audible ticks in output)
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.TP
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\fB-q, --quiet\fR
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Suppress progress output
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.TP
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\fB-h, --help\fR
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Show a list of available options
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.PP
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Crispness levels:
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.TP
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\fB0\fR
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equivalent to --no-transients --no-peaklock --window-long
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.TP
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\fB1\fR
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equivalent to --no-transients --no-peaklock
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.TP
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\fB2\fR
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equivalent to --no-transients
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.TP
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\fB3\fR
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equivalent to --bl-transients
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.TP
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\fB4\fR
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default processing options
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.TP
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\fB5\fR
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equivalent to --no-peaklock --window-short (may be suitable for drums)
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.SH "AUTHOR"
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.PP
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Rubber Band was written by Chris Cannam <cannam@all-day-breakfast.com>\&.
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