At9tool.exe -

For video games, background music often needs to loop seamlessly. at9tool.exe allows embedding loop points directly into the file header.

The executable acts as a bridge between standard PC audio formats and Sony’s proprietary console formats. Its two main functions are: at9tool.exe

Are you looking to convert audio for a specific game mod, or did you find this file on your system and want to make sure it's not a virus? For video games, background music often needs to