Antares Auto-Key -

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Automatic key and scale detection plug-in

Automatically detect the key and scale info from any audio file. Then, instantly send it to all instances of Auto-Tune in your project with a single click.

Auto-Key is an automatic key and scale detection plug-in, designed to enhance your Auto-Tune workflow and save valuable time in the studio.

Choosing the correct key and scale for your music is an essential part of effective pitch correction, and Auto-Key makes this quick and easy. It’s also useful for choosing samples and loops that match the key of your project.

Real-Time Analysis

Place Auto-Key on a track to analyze your music in real-time, or upload an audio file for faster than real-time analysis. Automatically detect the key and scale info from any audio file.

Rapid Detection

Automatically detects and displays the key and scale of your music and the tuning reference frequency. The onscreen keyboard also lights up to show detected pitches.

Automatic Auto-Tune Integration

Click the “Send to Auto-Tune” button, and compatible versions of Auto-Tune are automatically updated with the correct key and scale settings.

Mix and Match

Auto-Key makes it quick and easy to choose samples and loops that match the key of your project.

Auto-Key Key Features

Automatic key and scale detection
Real-time analysis
Onboard keyboard shows detected pitches
Auto-Tune automatically updated with correct settings
Easier to choose samples that match project key

Frequently Asked Questions

By automatically updating the key and scale of all the Auto-Tune effects in use, Auto-Key will drastically improve your workflow and boost your productivity. However, it does much more than finding the correct key and scale for your music. Auto-Key detects the key and scale of a track outside of your session in seconds, which is ideal if you’re a DJ looking for tracks in the same key. Furthermore, the pitch reference display and the Detune control will allow you to adjust the pitch reference based on the deviation from the standard A440.

What is key and scale detection?

A key and scale detection plug-in analyzes an audio file and automatically detects the vocal characteristics of a track, giving all the necessary information for an effective pitch correction. Some of the best key and scale detection plug-ins provide real-time key detection and editing features to adjust the tonality of any vocal sample while recording or during playback.

How does the Auto-Key plug-in work?

If on your project you have multiple Auto-Tune plug-ins opened on separate tracks, you’ll see they’re all set to the standard C chromatic key. Add Auto-Key to the original vocal track to find the correct scale and key. After playing the track for a few seconds, Auto-Key will display the key. The final step is to click on ‘Send to Auto-Tune’ to update all the instances of Auto-Tune in use. Auto-Key uses TONART V3 by zplane.development as an automatic key detection engine.

Mac System Requirements

AAX Native (64-bit only)
- Pro Tools 2018.1 or later.
- macOS 10.14 to 12.x as required by your version of Pro Tools
VST3 (64-bit only)
- A compatible VST host program that supports VST3 format.
- macOS 10.14 to 12.x as required by your host
Audio Units (64-bit only)
- A compatible host program that supports the AU format.
- macOS 10.14 to 12.x as required by your host

Windows System Requirements

AAX Native (64-bit only)
- Pro Tools 2018.1 or later
- Windows 10 and 11
VST3 (64-bit only)
- A compatible host program that supports the VST3 format.
- Windows 10 and 11

Antares Auto-Key