: These versions look for the legacy qsound.zip file containing a variant of the audio binary.
qsound_hle.zip file is a specialized "device ROM" or BIOS file used by the (Multiple Arcade Machine Emulator) platform to emulate the Capcom QSound audio system. qsound-hle.zip rom
: You are using an older MAME arcade set (pre-0.201) that only includes the obsolete qsound.zip . : These versions look for the legacy qsound