: While no known games use the 3 ADPCM channels, this feature could allow developers or modders to "force enable" them for custom ROM hacks, utilizing the unused capabilities of the qsound_hle.zip file.
For those manually verifying or hashing files to ensure they have the "new" and correct version required by modern MAME builds: Attribute Specification dl-1425.bin Parent Device qsound_hle.zip File Size 8,192 bytes (0x2000) CRC32 d6cf5ef5 SHA1 555f50fe5cdf127619da7d854c03f4a244a0c501 dl1425bin qsoundhle new