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Audacity Basics: Free Audio Editing for Beginners

Audacity is a free, open-source audio editor with tools that cover most everyday editing needs. Here's the basic workflow.

  1. Import an Audio File or Record Directly

    In Audacity, import an existing audio file, or start recording directly with a microphone.

  2. Trim Out Unwanted Sections

    Drag across the waveform to select a section, then cut or delete it to edit the recording.

  3. Apply Noise Reduction

    Use Effect > Noise Reduction to reduce background noise picked up during recording.

  4. Export the Edited Audio

    Once editing is done, export the file as MP3, WAV, or another format.

  5. Why It's Worth It

    Despite being free and open-source, Audacity covers most of the practical audio editing tasks people actually need, like editing a podcast or cleaning up background noise.

Getting a clean noise reduction result

Noise reduction works best when you first select a short section that contains only the background noise, with no speech or music, use it to create a noise profile, and then apply reduction to the full track based on that profile. Applying too aggressive a reduction setting can introduce a warbling, artificial sound, so it's worth previewing at a moderate setting first and adjusting from there.

Exporting at the right format and quality

WAV export preserves full uncompressed quality and is a good choice for archiving or further editing later, while MP3 export produces much smaller files well-suited for sharing or podcast distribution, at some cost to audio quality depending on the bitrate chosen. Audacity requires a separate, free encoder library to be installed for MP3 export on some systems, which is worth setting up ahead of time.

Frequently Asked Questions

Is Audacity really completely free?

Yes, Audacity is free, open-source software with no subscription, watermark, or feature paywall, which makes it one of the most commonly recommended entry points for basic audio editing.

Can Audacity record multiple tracks at once, like a full band?

Audacity supports multi-track recording if your audio interface has multiple inputs, but it's primarily designed for straightforward editing tasks rather than complex multitrack music production, so dedicated digital audio workstation software is usually a better fit for full band recording.