: The "HLE" suffix stands for High-Level Emulation . While Low-Level Emulation (LLE) attempts to simulate the chip's actual transistor-level logic (which is extremely CPU-intensive), HLE uses a faster, programmed simulation of the chip's functions.
Likely one of these reasons:
Most errors point to a missing dl-1425.bin . qsound-hle.zip file
The file is a "BIOS-like" device ROM required by emulators like MAME , OpenEmu , and FinalBurn Neo to accurately simulate the high-level audio system (QSound) used by Capcom's arcade hardware. What is it? : The "HLE" suffix stands for High-Level Emulation