audacity Man page

Resume Wikipedia de Audacity

Audacity est un logiciel libre pour la manipulation de données audio numériques. Audacity permet d’enregistrer du son numérique par le biais des entrées ligne/micro/cd des cartes sons. Il permet d’éditer (copier, coller, sectionner…) les sons sur plusieurs pistes, et il est accompagné de divers filtres et effets : pitch, tempo, réduction de bruit, égaliseur, filtres de Fourier, augmentation de fréquences précises, compression, amplification, normalisation, écho, phaser, wahwah, inversion…
L’auteur d’Audacity, à l’origine, est Dominic Mazzoni, de l’Université Carnegie.

Resume Wikipedia de Audacity

Audacity est un logiciel libre pour la manipulation de données audio numériques. Audacity permet d’enregistrer du son numérique par le biais des entrées ligne/micro/cd des cartes sons. Il permet d’éditer (copier, coller, sectionner…) les sons sur plusieurs pistes, et il est accompagné de divers filtres et effets : pitch, tempo, réduction de bruit, égaliseur, filtres de Fourier, augmentation de fréquences précises, compression, amplification, normalisation, écho, phaser, wahwah, inversion…
L’auteur d’Audacity, à l’origine, est Dominic Mazzoni, de l’Université Carnegie.

audacity General Commands Manual audacity

NAME

audacity – Graphical cross-platform audio editor

SYNOPSIS

audacity -help
audacity -version

audacity [-blocksize nnn] -test
audacity [-blocksize nnn] [ AUDIO-FILE ] …

DESCRIPTION

Audacity is a graphical audio editor. This man page does not describe
all of the features of Audacity or how to use it; for this, see the
html documentation that came with the program, which should be accessi‐
ble from the Help menu. This man page describes the Unix-specific fea‐
tures, including special files and environment variables.

Audacity currently uses libsndfile to open many uncompressed audio for‐
mats such as WAV, AIFF, and AU, and it can also be linked to libmad,
libvorbis, and libflac, to provide support for opening MP2/3, Ogg Vor‐
bis, and FLAC files, respectively. LAME, libvorbis, libflac and libt‐
wolame provide facilities to export files to all these formats as well.

Audacity is primarily an interactive, graphical editor, not a batch-
processing tool. Whilst there is a basic batch processing tool it is
experimental and incomplete. If you need to batch-process audio or do
simple edits from the command line, using sox or ecasound driven by a
bash script will be much more powerful than audacity.

OPTIONS

-help display a brief list of command line options

-version display the audacity version number

-test run self diagnostics tests (only present in development
builds)

-blocksize nnn
set the audacity block size for writing files to disk to nnn
bytes

FILES
~/.audacity-data/audacity.cfg
Per user configuration file.

/var/tmp/audacity-/
Default location of Audacity’s temp directory, where is
your username. If this location is not suitable (not enough
space in /var/tmp, for example), you should change the temp
directory in the Preferences and restart Audacity. Audacity is
a disk-based editor, so the temp directory is very important: it
should always be on a fast (local) disk with lots of free space.

Note that older versions of Audacity put the temp directory
inside of the user’s home directory. This is undesirable on
many systems, and using some directory in /tmp is recommended.

On many modern Linux systems all files in /tmp/ will be deleted
each time the system boots up, which makes recovering a record‐
ing that was going on when the system crashed much harder. This
is why the default is to use a directory in /var/tmp/ which will
not normally be deleted by the system. Open the Preferences to
check.

SEARCH PATH
When looking for plug-ins, help files, localization files, or other
configuration files, Audacity searches the following locations, in this
order:

AUDACITY_PATH
Any directories in the AUDACITY_PATH environment variable will
be searched before anywhere else.

.
The current working directory when Audacity is started.

~/.audacity-data/Plug-Ins

/share/audacity
The system-wide Audacity directory, where is usually
/usr or /usr/local, depending on where the program was
installed.

/share/doc/audacity
The system-wide Audacity documentation directory, where is usually /usr or /usr/local, depending on where the program
was installed.

For localization files in particular (i.e. translations of Audacity
into other languages), Audacity also searches /share/locale

PLUG-INS
Audacity supports two types of plug-ins on Unix: LADSPA and Nyquist
plug-ins. These are generally placed in a directory called plug-ins
somewhere on the search path (see above).

LADSPA plug-ins can either be in the plug-ins directory, or alterna‐
tively in a ladspa directory on the search path if you choose to create
one. Audacity will also search the directories in the LADSPA_PATH
environment variable for additional LADSPA plug-ins.

Nyquist plug-ins can either be in the plug-ins directory, or alterna‐
tively in a nyquist directory on the search path if you choose to cre‐
ate one.

VERSION
This man page documents audacity version 1.3.5

LICENSE
Audacity is distributed under the GPL, however some of the libraries it
links to are distributed under other free licenses, including the LGPL
and BSD licenses.

BUGS

For details of known problems, see the release notes and the audacity
wiki:
http://www.audacityteam.org/wiki/index.php?title=Known_Issues

To report a bug, see the instructions at
http://www.audacityteam.org/wiki/index.php?title=Reporting_Bugs

AUTHORS
Project leaders include Dominic Mazzoni, Matt Brubeck, James Crook,
Vaughan Johnson, Leland Lucius, and Markus Meyer, but dozens of others
have contributed, and Audacity would not be possible without wxWindows,
libsndfile, and many of the other libraries it is built upon. For the
most recent list of contributors and current email addresses, see our
website:

http://audacity.sourceforge.net/about/credits/

audacity

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