Dl-1425.bin %28qsound Hle%29 Jun 2026

MAME cannot find the required audio chip data to run the game.

In the early 1990s, Capcom partnered with QSound Labs to introduce a revolutionary 3D positional audio technology into arcade cabinets. The hardware manifestation of this partnership was the , which was structurally a customized Western Electric DSP16A digital signal processor containing a mask-programmed, internal read-only memory (ROM). Hardware Capabilities dl-1425.bin %28qsound hle%29

Its primary claim to fame was its ability to generate three-dimensional positional audio from just two standard speakers by using complex phase-shifting and filtering. MAME cannot find the required audio chip data

digital signal processor (DSP) used in Capcom arcade hardware. This file contains the internal mask-programmed ROM for the DL-1425 chip, which is a DSP16A processor Technical Overview Hardware Role : The DL-1425 chip powers the sound for Capcom's CP System II (CPS2) Hardware Capabilities Its primary claim to fame was

However, HLE is not magic; it requires a reference. The dl-1425.bin file often serves as the lookup table or the necessary key for the HLE engine to understand the specific sample rates, filters, and delay tables that the original Capcom hardware utilized. Without this file, the HLE driver is a virtuoso musician without their instrument.

Without this file, games using the QSound hardware will fail to load, typically throwing the error: dl-1425.bin (qsound_hle) NOT FOUND . Affected Games