audacity 136 beta plus 90 plug ins
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Features
This is a list of features in Audacity, the free audio editor. For more information on how to use these features, go to the help pages.
Recording
Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, vinyl records, or minidiscs. With some sound cards, it can also capture streaming audio.
* Record from microphone, line input, or other sources.
* Dub over existing tracks to create multi-track recordings.
* Record up to 16 channels at once (requires multi-channel hardware).
* Level meters can monitor volume levels before, during, and after recording.
Import and Export
Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in several common file formats.
* Import and export WAV, AIFF, AU, and Ogg Vorbis files.
* Import MPEG audio (including MP2 and MP3 files) with libmad.
* Export MP3s with the optional LAME encoder library.
* Create WAV or AIFF files suitable for burning to CD.
* Import and export all file formats supported by libsndfile.
* Open raw (headerless) audio files using the “Import Raw” command.
* Note: Audacity does not currently support WMA, AAC, or most other proprietary or restricted file formats.
Editing
* Easy editing with Cut, Copy, Paste, and Delete.
* Use unlimited Undo (and Redo) to go back any number of steps.
* Very fast editing of large files.
* Edit and mix an unlimited number of tracks.
* Use the Drawing tool to alter individual sample points.
* Fade the volume up or down smoothly with the Envelope tool.
Effects
* Change the pitch without altering the tempo, or vice-versa.
* Remove static, hiss, hum, or other constant background noises.
* Alter frequencies with Equalization, FFT Filter, and Bass Boost effects.
* Adjust volumes with Compressor, Amplify, and Normalize effects.
* Other built-in effects include:
o Echo
o Phaser
o Wahwah
o Reverse
Sound Quality
* Record and edit 16-bit, 24-bit, and 32-bit (floating point) samples.
* Record at up to 96 kHz.
* Sample rates and formats are converted using high-quality resampling and dithering.
* Mix tracks with different sample rates or formats, and Audacity will convert them automatically in realtime.
Plug-Ins
* Add new effects with LADSPA plug-ins.
* Audacity includes some sample plug-ins by Steve Harris.
* Load VST plug-ins for Windows and Mac, with the optional VST Enabler.
* Write new effects with the built-in Nyquist programming language.
Analysis
* Spectrogram mode for visualizing frequencies.
* “Plot Spectrum” command for detailed frequency analysis.
Free and Cross-Platform
* Licensed under the GNU General Public License (GPL).
* Runs on Mac OS X, Windows, and GNU/Linux.
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How do I download and install the LAME MP3 encoder?
Because of software patents, we cannot distribute MP3 encoding software ourselves. Follow these instructions to use the free LAME encoder to export MP3 files with Audacity.
Windows
1. Go to the LAME download page.
2. Under "For Audacity on Windows", left-click on the link "libmp3lame-win-3.98.2.zip" and save the zip folder to anywhere on your computer.
3. When you have finished downloading the ZIP folder, unzip it and save the file lame_enc.dll that it contains to anywhere on your computer.
4. The first time you use the "Export as MP3" command, Audacity will ask you where lame_enc.dll is saved.
5. In case of difficulty, please view our more detailed instructions on the Audacity Wiki.
Mac OS 9 or X
1. Go to the LAME download page.
2. Click to download either "Lame Library v3.98.2 for Audacity on OSX.dmg" or "LameLib-Carbon.sit", according to your operating system.
3. Double-click the .dmg to extract "Lame Library v3.98.2 for Audacity on OSX.pkg" to Finder, or use Stuffit to extract "LameLib" from the .sit (either of these may happen automatically).
4. Double-click the .pkg to install "libmp3lame.dylib" in /usr/local/lib/audacity, or save "LameLib" anywhere on your computer.
5. The first time you use the "Export as MP3" command, Audacity will ask you where libmp3lame.dylib or LameLib is saved.
Linux/Unix
Follow these instructions on our Wiki to download and install a suitable LAME package from the internet.
How do I install VST plug-ins?
1.
First, download and unzip the VST Enabler.
2.
Place the unzipped VST Enabler, along with your VST plug-ins, into the “Plug-ins” folder in the Audacity installation folder. (On Mac OS X, this is usually in the Applications folder. On Windows, it is usually under Program Files.)
3.
The next time you start Audacity, your VST effects will appear at the bottom of the “Effect” menu.
Linear Mode
