Auto-Key | Music key detection APP
Auto-Key detects the key by capturing a few seconds of audio and returns the most likely musical key. It also returns the diatonic key.
You can use Auto-Key mobile on any audio coming from a speaker or from an acoustic instrument or a voice. Tap on the Auto-Key logo in the app home screen to find the key.
Auto-Key Mobile was developed by Antares Audio Technologies, the inventors of Auto-Tune®.