Audacity

Functionalities

Here a list of the functionalities offered by Audacity, the free audio editor. For more information concerning the use of these functions, consult the pages of assistance.

Recording

Audacity can record on line sounds resulting from a microphone or a mixette, but also digitize your audio cassettes, discs vyniles and diskettes. With certain charts sounds, it can also seize audio flows.

• Record starting from a microphone, of an entry on line, or good of other sources still.

   

• Postsynchronize existing tracks to make a recording of it multitrack.
• Record to 16 tracks into simultaneous (requires to have a material multitrack).
• Level gauges enable you to check the front noise levels, during and after recording.

Import and export

Import audio files, publish them, and assemble them with other files or new recordings. Export your recordings under various standard sizes.

• Import and export files WAV, AIFF, WITH and Ogg Vorbis.
• Import files MPEG (of which MP2 and MP3) thanks to libmad
• Export MP3 with the library of encoding BLADE (in option).
• Import and to export all the formats of files supported by libsndfile.
• Open data files audio in a rough state (without heading) with the function "Importer Raw".
• Note: Audacity does not support at the present time the formats owners or restrictive such as WMA and AAC.

Edition

• Publish easily with crossing, copying, to stick and erase.
• Cancel in an unlimited way.
• Publish bulky files quickly.
• Publish and mix an unlimited number of tracks.
• Use a graphic tool to modify the samples individually.
• Use the effects of fade-in and/or in closing with the tool of edition of envelope.

Effects

• Modify the height without deteriorating the tempo, and conversely.
• Remove the stationary background noises.
• Exploit the frequencies with the equalisor, filter FFT and the effect of amplification of low.
• Adjust the noise levels with the functions of compression, amplification and standardization.
• And even more functions:
  • Echo
  • Phaser
  • Wah-wah
  • Inversion of direction

Sound quality

• Record and publish in 16/24/32 bits (in floating point).
• Record until 96kHz.
• The rates of sampling and the formats are converted using a polisher and of a converter of sampling of high-quality.
• Audacity can standardize the sampling rates of the various tracks.

Modules

• Add new effects with LADSPA plugins.
• Audacity comprises some examples of modules of Steve Harris.
• Charge effects VST of Windows and Mac with VST Enabler (optional).
• Compose of new effects with the programming language integrated Nyquist.

Analyze

• Spectrogram mode to visualize the frequential contents.
• Function "To trace the spectrum" for a detailed frequential analysis.

Free and multi-platform

• Distributed under the General GNU Public License (LPG).
• Function under Mac OS X, Windows and GNU/Linux.

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