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Audio Unit (AU) is a plugin technology by Apple Computer, Inc for performing audio processing. Audio Units are designed to enhance functionality of any music production software system that is compatible with AU standard. AU standard is commonly used under macOS.
WIDI Audio To MIDI Audio Unit is a music recognition software that works within an AU-compatible hosts. In order to use it you need to have any music production system compatible with Audio Units. Some of the popular music production systems you can use with WIDI AU are listed below.
| Company | Software name | Website | Comments |
|---|---|---|---|
| Apple Computer | Logic Pro | www.apple.com | |
| MOTU | Digital Performer | www.motu.com | |
| Ableton AG | Ableton Live | www.ableton.com | |
| Apple Computer | GarageBand | www.apple.com | |
| Plogue Art et Technologie | Plogue Bidule | www.plogue.com | |
| Rogue Amoeba Software | Audio Hijack Pro | www.rogueamoeba.com | MIDI recording not supported. * |
| HairerSoft | Amadeus | www.hairersoft.com | MIDI recording not supported. * |
* This software does not support MIDI editing, but it is possible to route MIDI to any MIDI device or write it to file using built-in MIDI recorder.