: Games like Street Fighter Alpha 3 , Alien vs Predator , or Mars Matrix will fail to launch without this specific file inside your ROMs folder.

: Most notably Capcom Play System 2 (CPS2) and certain CPS1 titles. How to Fix the "Missing dl-1425.bin" Error

To understand the file, you first need to understand the hardware. was a proprietary audio technology developed by Capcom in the mid-90s. It provided virtual surround sound and high-quality audio samples for classic titles like: