Audacity Functions


Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, records, or minidisc . With some sound cards, Audacity Also can capture streaming audio .

  • Record from microphone, line input, USB / Firewire devices and others.
  • Toolbar Device Manages multiple input and output devices.
  • Timer Record and Sound Activated Recording features.
  • Dub over existing tracks to create multi-track recordings .
  • Record at sample rates up to 192.000 Hz (subject to appropriate hardware). Up to 384.000 Hz is supported for Appropriate high-resolution devices, except When using Windows DirectSound host.
  • 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 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 WAV or AIFF files of (letting you start work Immediately With The files almost) if read from Directly 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).

Calidad de sonido

    Sound Quality

    • Supports 16-bit, 24-bit and 32-bit (floating point) samples (Latter preserves the 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.


    • Easy Editing with Cut, Copy, Paste and Delete.
    • Sequential Unlimited Undo (and Redo) to go back any number of steps.
    • Edit and mix large numbers of tracks.
    • Multiple clips per track are allowed.
    • Label tracks with selectable Sync-Lock Tracks feature for keeping tracks and labels synchronized.
    • Draw Tool to alter single sample points.
    • Envelope Tool to fade the volume up or down smoothly.
    • Automatic Crash Recovery in the event of abnormal program termination.


    • 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

    Calidad de sonido


      • 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, Fade In / Fade Out and Fade Adjustable 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.


      • Add new effects with LADSPA , Nyquist , VST and Audio Unit effect plug-ins.
      • Effects written in the Nyquist programming language can be modified in a text Easily editor – or you can even write your own plug-in.


      • Spectrogram view modes for visualizing frequencies.
      • “Plot Spectrum” command for detailed frequency analysis.
      • “Sample Data Export” for exporting to file Containing amplitude values ​​for each sample in the selection.
      • Contrast Analysis for analyzing volume average rms Differences Between foreground speech and background music.
      • Support for adding VAMP analysis plug-ins.