Mame — Qsound-hle.zip Link

: This binary file is the internal program for the DSP16 digital signal processor that powers the QSound hardware.

If you receive a "missing files" error but see the file in your folder, it is likely that the internal checksum (CRC) of your dl-1425.bin does not match what your specific version of MAME expects . Which specific game are you trying to run? Mame Qsound-hle.zip