This requires a lookup table derived from the original DSP's output behavior, stored efficiently within the HLE binary.
If you use RetroArch with a MAME core, the same rules apply. You will need qsound-hle.zip in RetroArch’s system directory or ROM directory depending on core settings. Check the core documentation. qsound-hle.zip rom
QSound is a positional audio technology developed by QSound Labs and famously licensed by Capcom in the early 1990s. It allowed arcade games to produce a simulated 3D audio effect using only two speakers. Titles like Street Fighter II: The World Warrior , Knights of the Round , and King of Dragons relied on a dedicated QSound DSP (digital signal processor) chip to generate complex soundscapes. This requires a lookup table derived from the
Interestingly, these two files are often identical. If you are missing qsound_hle.zip but have qsound.zip , you can simply copy and rename it to resolve "missing file" errors in your arcade auditor. 🕹️ Why You Need It Check the core documentation
, you may need to "Scan for New Games" or "Audit" your library to let the software know the missing device has been found. Quick Troubleshooting Wrong MAME Version:
Limitations and trade-offs
