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
<[email protected]> 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@archlinux <mailto:rocketmouse@archlinux> ~]$ pacman -Ql
soundtouch | grep bin
soundtouch /usr/bin/
soundtouch /usr/bin/soundstretch
[rocketmouse@archlinux <mailto:rocketmouse@archlinux> ~]$ soundstretch
--help
SoundStretch v1.7.1 - Written by Olli Parviainen 2001 - 2012
==================================================================
author e-mail: <[email protected] <mailto:[email protected]>> - 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@archlinux <mailto:rocketmouse@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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