If you only have qsound.zip , some users on the LaunchBox Community Forums suggest copying it and renaming the copy to qsound_hle.zip to satisfy newer MAME requirements.
(a DL-1425 model). In the 1990s, Capcom used this chip to provide high-quality "3D" stereo sound in their arcade cabinets. mame dl-1425.bin
Searching for is a rite of passage for retro arcade emulation fans. It represents the complexity beneath the surface of “just download a ROM and play.” While the file itself is tiny—often just 16KB—its presence or absence determines whether a piece of gaming history runs faithfully. If you only have qsound