How to Turn an AI-Generated Track Into a Seamless Game Loop With FFmpeg, Godot, Unity, and Web Audio

Generating AI music may not always result in a track that loops seamlessly. To resolve this issue, begin by creating a consistent instrumental track with a lossless quality. Once you have the instrumental, trim the audio to a number of bars that align with the downbeat, and then crossfade the audio following the loop end with the audio preceding the loop start. Verify the seam both numerically and audibly, and export it as an OGG or WAV format (avoid MP3). Lastly, provide the engine with an intro and loop point.

The issue of looping AI-generated tracks is a common concern on platforms such as r/SunoAI and r/gamedev. While some users suggest adding an 'outro matches intro' prompt, the tonal quality and fade-in/out can still sound unnatural. Developers often face the same challenge when creating music themselves, with the general advice being to use two separate clips for the track's start and loop. However, this is not sufficient on its own. A small, repeatable editing step is required, which this guide will cover.