Audacity is a free, open source digital audio editor and recording application. Edit your sounds using cut, copy, and paste features (with unlimited undo functionality), mix tracks, or apply effects to your recordings. The program also has a built-in amplitude-envelope editor, a customizable spectrogram mode, and a frequency-analysis window for audio-analysis applications. Built-in effects include bass boost, wah wah, and noise removal, and the program also supports VST plug-in effects.
You can use Audacity to:
- Record live audio.
- Record computer playback on any Windows Vista or later machine.
- Convert tapes and records into digital recordings or CDs.
- Edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files.
- AC3, M4A/M4R (AAC), WMA and other formats supported using optional libraries.
- Cut, copy, splice or mix sounds together.
- Numerous effects including change the speed or pitch of a recording.
- Write your own plug-in effects with Nyquist.
- And more! See the complete list of features.
Audacity 2.4.0 changelog:
- Audacity now runs on Mac Catalina.
- A new Time Toolbar showing current record/playback time has been
- split from the Selection Toolbar. It can be resized large.
- Presets for more effects can be imported and exported.
- A new Multi-View mode for tracks. In this mode both
- spectrogram and waveform views are shown at the same time.
- Opus available as a new audio export format on Windows and Linux.
- Easier to convert labels between point labels and range labels.
- New Loudness Normalization effect.
- New RMS measurement analyzer.
- New Noise Gate effect.
- New Spectral Delete effect.
Over 100 bugs in 2.3.3 fixed, including
- 2237 – Equalization effects have no Import or Export for curves
- 2261 – Graphic EQ sliders have no frequency labels
- 2265 – Track heights are reset to default on project re-opening
- 2303 – Playback does not start at the saved cursor position on reopening a saved project.
- 2314 – Zoom in fail when playing
See also: 2.4.0 Release Notes
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