Audacity

Audacity

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About This App

LAST UPDATED:
Oct 20, 2014
CURRENT VERSION:
2.0.5
APP SIZE:
21.2MB
APP SCORE:
Avg. score: 3
Rating: 6304

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TOTAL DOWNLOADS:
13,931
OS SUPPORT:
Windows All
LANGUAGE:
English
OFFICIAL PAGE:

Audacity Description

Features

This is a list of features in Audacity, the free, open source, cross-platform audio editor. For full 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, records or minidiscs. With some sound cards, and on any Windows Vista, Windows 7 or Windows 8 machine, Audacity can also capture streaming audio.

Device Toolbar manages multiple input and output devices.
Level meters can monitor volume levels before, during and after recording. Clipping can be displayed in the waveform or in a label track.
Record from microphone, line input, USB/Firewire devices and others.
Record computer playback on Windows Vista and later by choosing "Windows WASAPI" host in Device Toolbar then a "loopback" input.
Timer Record and Sound Activated Recording features.
Dub over existing tracks to create multi-track recordings.
Record at very low latencies on supported devices on Windows by choosing "Windows WDM-KS" host and a low "Audio to Buffer" setting in Recording Preferences. On Linux, you can obtain comparable latencies by using Audacity with JACK.
Record at sample rates up to 192,000 Hz (subject to appropriate hardware and host selection). Up to 384,000 Hz is supported for appropriate high-resolution devices (note that Windows DirectSound host is limited to 200,000 Hz).
Record at 24-bit depth on Windows (using Windows WDM-KS or Windows WASAPI host), Mac OS X or Linux (using ALSA or JACK host).
Record multiple channels at once (subject to appropriate hardware).

Import and Export

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.
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).

Sound Quality

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.

Editing

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.

Accessibility

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.

Effects

Change the pitch without altering the tempo (or vice-versa).
Remove static, hiss, hum or other constant background noises.
Alter frequencies with Equalization, Bass and Treble, High/Low Pass and Notch Filter effects.
Adjust volume with Compressor, Amplify, Normalize, Fade In/Fade Out and Adjustable Fade 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
Paulstretch (extreme stretch)
Phaser
Reverb
Reverse
Truncate Silence
Wahwah
Run "Chains" of effects on a project or multiple files in Batch Processing mode.

Plug-ins

Support for 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.

Analysis

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.

Free and Cross-Platform

Licensed under the GNU General Public License (GPL).
Runs on Windows, Mac OS X and GNU/Linux.

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User reviews of Audacity

houston on July 11,2013 Useful (0)      Useless (3)
Audacity is essential and I use it every day.
mediciner on August 21,2011 Useful (0)      Useless (0)
I was looking for an editor to create separate mp3 files on some album wraps that my extractor couldn't handle. It does that job easily. My wife uses it to create mp3 files from cassette by plugging a cassette player into the computer's microphone jack. Very versatile editor.

This is what I want!
tank on August 21,2011 Useful (0)      Useless (0)
With Audacity, you can edit the sound your record by yourself. With it, you can be a semi-professional to the sound editing and beatufying person.
wwii on August 21,2011 Useful (0)      Useless (0)
It took me a comparatively long time to learn about the basic editing steps, but the time spent on it is valuable. Audacity is a good tool for me to record anything I want to memorize.
adventures on August 15,2011 Useful (0)      Useless (0)
Import, convert, export, modify,copy and paste!....And I'ts FREE! I found it much more user friendly than some of the software that I've bought.I've had no glitches.

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