Audacity 2.0.2

Audacity 2.0.2 summary

License: GPL
Price: 0$
Platform: Windows All
File size: 20.4 MB
Updated: 2012-09-21
Download: 816
Publisher: Audacity
Publisher URL: http://audacity.sourceforge.net/download/windows?lang=en

Audacity 2.0.2 screenshot

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Audacity 2.0.2 description

Audacity 2.0.2 is known as a free, easy-to-use and multilingual audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. You can use Audacity to:
  • Record live audio.
  • Convert tapes and records into digital recordings or CDs.
  • Edit Ogg Vorbis, MP3, WAV or AIFF sound files.
  • Cut, copy, splice or mix sounds together.
  • Change the speed or pitch of a recording.
Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Free software is not just free of cost (like "free beer"). It is free as in freedom (like "free speech"). Free software gives you the freedom to use a program, study how it works, improve it and share it with others. For more information, visit the Free Software Foundation.

Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the OpenOffice.org office suite and entire Linux-based operating systems such as Ubuntu.

We welcome donations to support Audacity development. Anyone can contribute to Audacity by helping us with documentation, translations, user support and by testing our latest code.
Ohloh has statistics on the value of Audacity development. The Ohloh "badge" at the bottom of each page on this site shows updated summary values. We set up the Ohloh pages about Audacity so the statistics show only the values of Audacity-specific development, excluding the third-party code libraries Audacity uses.

Major Features:

  1. Recording
    • Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, records, or minidiscs. With some sound cards, Audacity can also capture streaming audio.
      • Record from microphone, line input, USB/Firewire devices and others.
      • Device Toolbar manages multiple input and output devices.
      • Timer Record and Sound Activated Recording features.
      • Dub over existing tracks to create multi-track recordings.
      • Record at high sample rates in excess of 192,000 Hz (subject to appropriate hardware).
      • Record multiple channels at once (subject to appropriate hardware).
      • Level meters can monitor volume levels before, during and after recording. Clipping can be displayed in the waveform or in a label track.
    • Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in many different file formats, including multiple files at once.
      • Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
      • Fast "On-Demand" import of WAV or AIFF files (letting you start work with the files almost immediately) if read directly from source. "On-Demand" import of other file formats is available with the optional FFmpeg library.
      • Import and export all formats supported by libsndfile such as GSM 6.10, 32-bit and 64-bit float WAV and U/A-Law.
      • Import MPEG audio (including MP2 and MP3 files) using libmad.
      • Import raw (headerless) audio files using the "Import Raw" command.
      • Create WAV or AIFF files suitable for burning to audio CD.
      • Export MP3 files with the optional LAME encoder library.
      • Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).
  3. Import and Export
    • Supports 16-bit, 24-bit and 32-bit (floating point) samples (the latter preserves samples in excess of full scale).
    • Sample rates and formats are converted using high-quality resampling and dithering.
    • Tracks with different sample rates or formats are converted automatically in real time.
  4. Sound Quality
    • Easy editing with Cut, Copy, Paste and Delete.
    • Unlimited sequential Undo (and Redo) to go back any number of steps.
    • Edit and mix large numbers of tracks.
    • Multiple clips are allowed per track.
    • Label tracks with selectable Sync-Lock Tracks feature for keeping tracks and labels synchronized.
    • Draw Tool to alter individual sample points.
    • Envelope Tool to fade the volume up or down smoothly.
    • Automatic Crash Recovery in the event of abnormal program termination.
  5. Editing
    • Tracks and selections can be fully manipulated using the keyboard.
    • Large range of keyboard shortcuts.
    • Excellent support for JAWS, NVDA and other screen readers on Windows, and for VoiceOver on Mac.
  6. Accessibility
    • Change the pitch without altering the tempo (or vice-versa).
    • Remove static, hiss, hum or other constant background noises.
    • Alter frequencies with Equalization, Bass Boost, High/Low Pass and Notch Filter effects.
    • Adjust volume with Compressor, Amplify, Normalize and Fade In/Out effects.
    • Remove Vocals from suitable stereo tracks.
    • Create voice-overs for podcasts or DJ sets using Auto Duck effect.
    • Other built-in effects include:
      • Echo
      • Phaser
      • Wahwah
      • Paulstretch (extreme stretch)
      • Reverse
      • Truncate Silence
    • Run "Chains" of effects on a project or multiple files in Batch Processing mode.
  7. Effects
    • Add new effects with LADSPA, Nyquist, VST and Audio Unit effect plug-ins.
    • Effects written in the Nyquist programming language can be easily modified in a text editor - or you can even write your own plug-in.
  8. Plug-ins
    • Spectrogram view modes for visualizing frequencies.
    • "Plot Spectrum" command for detailed frequency analysis.
    • "Sample Data Export" for exporting a file containing amplitude values for each sample in the selection.
    • Contrast Analysis for analyzing average rms volume differences between foreground speech and background music.
    • Support for adding VAMP analysis plug-ins.
  9. Analysis
    • Licensed under the GNU General Public License (GPL).
    • Runs on Windows, Mac OS X and GNU/Linux.
  10. Free and Cross-Platform
Enhancements:
  • Interface
    • "Retain labels" Interface Preference did not retain labels for a region that snapped exactly to both label edges.
    • Projects did not save the track selected state.
    • (OS X, Linux) Timer Record: Interlinking of the Start, End and Duration controls was broken.
    • (Windows) JAWS screen-reader did not read the "Draw curves" and "Graphic EQ" radio buttons in Equalization correctly.
  • Envelopes and Clips
    • Exporting (or any render operation) on a track containing split lines could create clicks at the split lines.
  • Effects and Analysis
    • Normalize could crash if the track name contained "%".
  • Changes and Improvements
    • Duration controls when generating at a point now default to hh:mm:ss + milliseconds format. Selection Toolbar also defaults to that format on first installation or resetting preferences.
    • Toolbars visual improvements:
      • "Snap To" in Selection Toolbar now has an explanatory tooltip
      • Device Toolbar tooltips now display the selected device
      • Increased default width of Device Toolbar and Meter Toolbar.
    • Improvements and some bug fixes to Nyquist effects, including:
      • Delay (new option to prevent duration change)
      • Sample Data Export (new "L-R on Same Line" layout option)
      • Risset Drum (new "Amplitude" slider).
    • Importing a labels file writes the file name to the name of the Label Track, and exporting a labels file offers the name of the last Label Track in the project.
    • Removed the "Audio cache" option from Directories Preferences due to frequent crash reports. All data operations will now be written to disk and not to RAM.
    • Removed the FFmpeg "On-Demand" option from Libraries Preferences (this fixes Audacity not building if configured --without-ffmpeg).
    • Compilation: Progress on making the Modules feature mainstream. Modules can now be individually enabled and disabled in Preferences.
Requirements:
  • Windows 2000/XP/Vista/7

Audacity 2.0.2 keywords

effects  tracks  export  sample  sample rates  library import  ffmpeg library  optional ffmpeg library  

Audacity 2.0.2 for Developers

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Audacity 2.0.2 Copyright

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