Audacity

Audacity

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 Download Audacity now it´s also available for GNU/Linux

Audacity is a free music editor, it´s free because it´s an open source software.
It´s totally user friendly and a very easy-to-use audio editor. 1 or 2 clicks and them you can edit and add effects to your audio tracks. Sound simple? Yes,it is, but also it´s very powerful for professional audio/sound editing.

With Audacity you can:

Audacity | Recording

Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, records or mini discs. 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 “loop-back” 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 Linux 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 on Mac OS X and Linux.
  • Record at 24-bit depth on Windows (using Windows WASAPI host), Mac OS X or Linux (using ALSA or JACK host).
  • Record multiple channels at once (subject to appropriate hardware).

Audacity | 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 WAVAIFFAUFLAC 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 6.1032-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 AC3M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).

Audacity | 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.

Audacity | 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.

Audacity | 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.

audacity | 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.

Audacity | 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.

Audacity | 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.

 

For donation and more info´s, visit the project website at: http://audacity.sourceforge.net/

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