[ubuntu-studio-users] Tunning music files in batch?

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 
with a
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' 
you have
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...) 
and there
is a reason for it! Here are 10 more or less valid reasons to use CLI:

http://penguinpetes.com/b2evo/index.php?p=408

I think that reasons 5 and 6 are the most valuable.

Ciao,
Sergio

>
> 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" -
> http://packages.ubuntu.com/saucy/audacity
>
> [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 
> --help
>
>   SoundStretch v1.7.1 -  Written by Olli Parviainen 2001 - 2012
> ==================================================================
> author e-mail: <oparviai at iki.fi <mailto:oparviai at iki.fi>> - WWW: 
> http://www.surina.net/soundtouch
>
> This program is subject to (L)GPL license. Run "soundstretch -license"
> for
> 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
> filenames.
>
> 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'
> BPMs.
>             If '=n' is omitted, just detects the BPM rate.
>   -quick  : Use quicker tempo change algorithm (gain speed, lose
> quality)
>   -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 
> --help
>
> 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 
> options.
>
>   -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 
> through
> 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 
> standard
> crispness parameter are intended to provide the best sounding set of 
> options
> for most situations.  The default is to use none of these options.
>
>   -L,    --loose          Relax timing in hope of better transient 
> preservation
>   -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 
> count
>         --threads        Assume multi-CPU even if only one CPU is 
> identified
>         --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 
> vary)
>         --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 
> shift
>         --centre-focus  Preserve focus of centre material in stereo
>                           (at a cost in width and individual channel 
> quality)
>
>   -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 
> drums
>
> http://breakfastquay.com/rubberband/
>
> Regards,
> Ralf
>
>
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>
>
>

-- 

Sergio Bello - New Genesys Srl

http://www.newgenesys.it

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