4 Setting up your MAC (OSX and above) to work with your USB Turntable 1. Open the Audacity program. Select Preferences from the Audacity menu. Select Audio I/O tab at the top left.
Audacity is a free audio recorder/editor/mixer. You can record sounds, play sounds, import and export WAV, AIFF, and MP3 files, and more. Use it to edit your sounds using Cut, Copy and Paste (with unlimited Undo), mix tracks together, or apply effects to your recordings. It 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, Wahwah, and Noise Removal, and it also supports VST plug-in effects.
Audacity Mac Setup Manual Free


Note: While the software is classified as free, it is actually
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What's New in Audacity
Version 2.3.2.0:- LAME built in.
- mod-script-pipe distributed with Audacity.
- 'Select' button in the track control panel.
- About 20 bugs fixed.
