[ubuntu-studio-users] Tunning music files in batch?
s.bello at newgenesys.it
Tue Nov 19 17:24:52 UTC 2013
On 11/19/2013 05:49 PM, leo wrote:
> Many times I read threads, like this one, and others regarding
> discussions on various other programs.
> I've been using Ubuntu a bit over a year now and many times I feel
> daunted by suggestions using command lines.
> I'm a GUI type of guy.
> Where would be an appropriate place in the Ubuntu world for me to
> vent....or solicit my desire to learn how and when to use command
> lines, rather than GUI's ?
Well, learning how to use the command line isn't a must in Linux, but
minimal effort you can gain a lot in terms of efficiency and flexibility.
The specific case (re-tuning audio files in batch) is a clear example:
you can do it
with a gui (one at a time), but if the gui itself has not a 'batch mode'
a chance to do it using a CLI (Command Line Interface).
Learning the basics is not so hard (and can be fun) and there are a lot
of tutorials around.
Almost every system on the earth has a command line mode (Macs too...)
is a reason for it! Here are 10 more or less valid reasons to use CLI:
I think that reasons 5 and 6 are the most valuable.
> Respectfully, Leo
> On Tuesday, November 19, 2013 1:20 AM, Ralf Mardorf
> <ralf.mardorf at alice-dsl.net> wrote:
> On Mon, 2013-11-18 at 20:13 -0500, Hazan Pérez wrote:
> > I want to tune many music files in batch, that is, change the tone
> > without changing the tempo of the song.
> Why don't you use the same as Audacity does use?
> "libsoundtouch0 Sound stretching library" -
> [rocketmouse at archlinux <mailto:rocketmouse at archlinux> ~]$ pacman -Ql
> soundtouch | grep bin
> soundtouch /usr/bin/
> soundtouch /usr/bin/soundstretch
> [rocketmouse at archlinux <mailto:rocketmouse at archlinux> ~]$ soundstretch
> SoundStretch v1.7.1 - Written by Olli Parviainen 2001 - 2012
> author e-mail: <oparviai at iki.fi <mailto:oparviai at iki.fi>> - WWW:
> This program is subject to (L)GPL license. Run "soundstretch -license"
> more information.
> This application processes WAV audio files by modifying the sound tempo,
> pitch and playback rate properties independently from each other.
> Usage :
> soundstretch infilename outfilename [switches]
> To use standard input/output pipes, give 'stdin' and 'stdout' as
> Available switches are:
> -tempo=n : Change sound tempo by n percents (n=-95..+5000 %)
> -pitch=n : Change sound pitch by n semitones (n=-60..+60 semitones)
> -rate=n : Change sound rate by n percents (n=-95..+5000 %)
> -bpm=n : Detect the BPM rate of sound and adjust tempo to meet 'n'
> If '=n' is omitted, just detects the BPM rate.
> -quick : Use quicker tempo change algorithm (gain speed, lose
> -naa : Don't use anti-alias filtering (gain speed, lose quality)
> -speech : Tune algorithm for speech processing (default is for music)
> -license : Display the program license text (LGPL)
> If you don't want to use the same as Audacity does use, perhaps you like
> this one:
> [rocketmouse at archlinux <mailto:rocketmouse at archlinux> ~]$ rubberband
> Rubber Band
> An audio time-stretching and pitch-shifting library and utility program.
> Copyright 2007-2012 Particular Programs Ltd.
> Usage: rubberband [options] <infile.wav> <outfile.wav>
> You must specify at least one of the following time and pitch ratio
> -t<X>, --time <X> Stretch to X times original duration, or
> -T<X>, --tempo <X> Change tempo by multiple X (same as --time
> 1/X), or
> -T<X>, --tempo <X>:<Y> Change tempo from X to Y (same as --time
> X/Y), or
> -D<X>, --duration <X> Stretch or squash to make output file X
> seconds long
> -p<X>, --pitch <X> Raise pitch by X semitones, or
> -f<X>, --frequency <X> Change frequency by multiple X
> -M<F>, --timemap <F> Use file F as the source for key frame map
> A map file consists of a series of lines each having two numbers separated
> by a single space. These are source and target sample frame numbers
> for fixed
> time points within the audio data, defining a varying stretch factor
> the audio. You must specify an overall stretch factor using e.g. -t
> as well.
> The following options provide a simple way to adjust the sound. See below
> for more details.
> -c<N>, --crisp <N> Crispness (N = 0,1,2,3,4,5,6); default 5
> (see below)
> -F, --formant Enable formant preservation when pitch shifting
> The remaining options fine-tune the processing mode and stretch algorithm.
> These are mostly included for test purposes; the default settings and
> crispness parameter are intended to provide the best sounding set of
> for most situations. The default is to use none of these options.
> -L, --loose Relax timing in hope of better transient
> -P, --precise Ignored: The opposite of -L, this is default
> from 1.6
> -R, --realtime Select realtime mode (implies --no-threads)
> --no-threads No extra threads regardless of CPU and channel
> --threads Assume multi-CPU even if only one CPU is
> --no-transients Disable phase resynchronisation at transients
> --bl-transients Band-limit phase resync to extreme frequencies
> --no-lamination Disable phase lamination
> --window-long Use longer processing window (actual size may
> --window-short Use shorter processing window
> --smoothing Apply window presum and time-domain smoothing
> --detector-perc Use percussive transient detector (as in pre-1.5)
> --detector-soft Use soft transient detector
> --pitch-hq In RT mode, use a slower, higher quality pitch
> --centre-focus Preserve focus of centre material in stereo
> (at a cost in width and individual channel
> -d<N>, --debug <N> Select debug level (N = 0,1,2,3); default 0,
> full 3
> (N.B. debug level 3 includes audible ticks
> in output)
> -q, --quiet Suppress progress output
> -V, --version Show version number and exit
> -h, --help Show this help
> "Crispness" levels:
> -c 0 equivalent to --no-transients --no-lamination --window-long
> -c 1 equivalent to --detector-soft --no-lamination --window-long
> (for piano)
> -c 2 equivalent to --no-transients --no-lamination
> -c 3 equivalent to --no-transients
> -c 4 equivalent to --bl-transients
> -c 5 default processing options
> -c 6 equivalent to --no-lamination --window-short (may be good for
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Sergio Bello - New Genesys Srl
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email s.bello at newgenesys.it
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