Rap App

1Beat

For an ElevenLabs beat, enter the BPM you asked it for. The timing fix uses this number.

2Microphone not allowed yet

Tap Allow microphone. Your browser will ask permission, then you can pick which mic to use.

3Calibrate delay estimated

Phones hear and record with a small delay. Take headphones off, set volume to about half, hold the phone still, and tap Calibrate. You'll hear 8 clicks.

4Lyrics

5Record

• Use wired headphones. Bluetooth adds delay the calibration can't measure.
• Tap 1: the beat starts after one bar of clicks. Find your flow.
• Tap 2: recording starts on the next bar.
• Tap 3: stop.

6Your take

The vocal is already lined up with the beat and delay-corrected. To mix it, run: