It is the internal DSP (Digital Signal Processor) ROM for the DL-1425 chip.
Verify each of these factors before assuming the file itself is faulty. mame dl1425bin top
If you are auditing a legacy ROM set using tools like Clrmamepro and notice that your games fail because they demand qsound_hle.zip instead of qsound.zip , use this quick, effective structural workaround: It is the internal DSP (Digital Signal Processor)
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If you are searching for the , you expect these titles to be included with correct BIOS files (like neogeo.zip for SNK games) and proper parent/clone relationships. The tiny physical separations between the 16 segments
The tiny physical separations between the 16 segments. Refresh/Persistence: How the segments glow and fade. 3. Critical Games Using DL1425
matters: The zip file must be named qsound_hle.zip (lowercase), not QSOUND_HLE.ZIP or any other variation. The file inside should be dl-1425.bin , not dl.1425.bin or dl-1425.bin.txt .