You may often see both files listed in modern ROM sets. Historically, qsound.zip was the standard file name, but since MAME version 0.201, qsound_hle.zip is the primary name the emulator audits for.
version for your MAME installation, or are you having trouble fixing a specific error mame/src/devices/sound/qsoundhle.cpp at master - GitHub qsound-hle.zip mame
While "qsound-hle.zip" is not a standard file a user typically interacts with directly (it is usually compiled into the emulator binary or loaded as a BIOS/ROM dependency automatically), the keyword implies the user might be looking at: Solving the Arcade Audio Puzzle: A Complete Guide