Starting with version 0.201, changed how it handles QSound emulation, making this specific file a requirement for many Capcom Play System 2 (CPS2) and some CPS3 games. Without it, you will likely encounter a "missing files" error, specifically noting a missing dl-1425.bin .
Try downloading the original qsound.zip (LLE version) and place it alongside qsound-hle.zip . MAME will prioritize HLE but fall back to LLE if needed. qsound-hle.zip file
For many gamers who grew up in the 1990s, the sound of the arcade is defined by Capcom. The resonant gongs of Street Fighter II , the gritty explosions of Final Fight , and the atmospheric synths of Dungeons & Dragons: Shadow over Mystara were powered by a specific piece of audio hardware: the QSound system. Starting with version 0
Until then, this small but essential file remains a cornerstone of Capcom arcade emulation. New versions of MAME occasionally deprecate old hashes, so it is wise to update qsound-hle.zip whenever you update your MAME build. MAME will prioritize HLE but fall back to LLE if needed
Keep it in the right folder, keep it updated, and it will quietly work in the background—delivering the sound of arcade history, one quarter (or save state) at a time.