If you need an AI tool to create sound effects of a particular length for your game development project, Soundify is a good option. It uses large language models to create audio from text prompts and lets you control the length of the audio. It's got a clean interface and a library of precreated sounds, and it offers tiered pricing plans including a free trial and a Premium plan at $29.99/month.
Another option is AI Sound Copilot, which creates unlimited AI-generated sound effects for videos and games. One of its standout features is the ability to create sound effects based on detailed text prompts, offering royalty-free audio that you can use without any legal issues. This can be a useful tool for creating custom sound effects without the time and expense of searching or licensing.
If you need something more general purpose, Mubert offers a royalty-free music system that uses AI to create soundtracks of a particular length and style. It includes tools like Mubert Render, which creates AI soundtracks, and Mubert API, which lets developers incorporate original AI music into their products. The service offers a flexible way to create high-quality audio assets that can be used for a variety of purposes, including game development.