Here’s a blog post about resolving the qsound_hle.zip error in MAME.

Fixing the "dl-1425.bin Missing" Error in MAME: The qsound_hle.zip Guide

If you’ve tried to fire up a classic Capcom Play System 2 (CPS2) game like Street Fighter Alpha or Darkstalkers in a recent version of MAME, you might have been hit with a frustrating error: "dl-1425.bin NOT FOUND."

This error usually stems from a change in how MAME handles audio emulation. Here’s everything you need to know to get your sound back. Why is this happening?

Starting around version 0.201, the MAME team updated the implementation of QSound, the proprietary 3D audio technology used by Capcom. To support "High-Level Emulation" (HLE) of the audio hardware, the emulator now looks for a specific support file named qsound_hle.zip.

Without this file—specifically the dl-1425.bin ROM inside it—the game won’t boot. The Quick Fix: Rename Your Files

The easiest solution often involves files you already have. Many older ROM sets include a file called qsound.zip. Locate qsound.zip in your MAME ROMs folder. Copy it to create a duplicate. Rename the copy to qsound_hle.zip.

Internally, these two files are often identical, containing the same dl-1425.bin file. By providing both names, you ensure MAME can find the audio data regardless of which path it checks. Verification Checklist

If you still see errors, check these technical details using a tool like 7-Zip: File Name: Ensure it is exactly qsound_hle.zip. Internal File: The ZIP must contain dl-1425.bin. CRC32 Hash: The correct hash for the bin file is d6cf5ef5. Where to find it?

Since these files are copyrighted "BIOS-like" ROMs, they aren't packaged with the MAME emulator itself. You can typically find updated support files in modern ROM sets hosted on sites like the Internet Archive.

If you'd like, I can help you with more MAME troubleshooting or explain how to:

Use ClrMamePro to manage your ROM sets (e.g., non-merged vs. split sets) Set up LaunchBox for a cleaner arcade interface Configure RetroArch to use the correct MAME cores

The file qsound_hle.zip is a mandatory "device set" for modern versions of MAME (v0.201 and later). It contains the audio firmware required to run Capcom games, specifically those on the CPS1 and CPS2 arcade systems like Street Fighter Alpha, Marvel vs. Capcom, and Cadillacs and Dinosaurs. Key Details

The Error: If you see a message saying dl-1425.bin NOT FOUND or qsound_hle NOT FOUND, it means this zip file is missing from your roms folder.

Essential File: Inside the zip, there must be a file named dl-1425.bin.

CRC32 Checksum: The correct file should have a CRC of d6cf5ef5.

Quick Fix: If you already have an older qsound.zip that contains dl-1425.bin, you can simply make a copy of it and rename the copy to qsound_hle.zip. Where to Put It

Place the qsound_hle.zip file directly into your MAME/roms directory. You do not need to unzip it.

If you are using a ROM manager like Clrmamepro or checking a database like Arcade Database, they will identify this file as a "shared device" rather than a standalone game.

Are you running into a specific error message when trying to launch a game? mame/src/devices/sound/qsoundhle.cpp at master - GitHub

In the context of the Multiple Arcade Machine Emulator (MAME), qsound_hle.zip is a critical support file required to emulate the audio for many classic arcade games, primarily those developed by Capcom for the CPS-2 (Capcom Play System 2) hardware. What is QSound HLE?

Purpose: It acts as a "BIOS-like" ROM file that contains the high-level emulation (HLE) data for the QSound audio processor.

Function: QSound was a proprietary spatial audio technology used to create 3D-like sound effects in arcade cabinets. Without this specific zip file in your roms folder, games using this hardware (like Street Fighter Alpha, Marvel vs. Capcom, or Darkstalkers) will fail to load or will play without sound.

Internal File: The most essential file inside the zip is typically dl-1425.bin (with a specific CRC32 hash of d6cf5ef5). Why is it Separate?

Legal & Copyright: The QSound audio code is intellectual property licensed by Capcom. To avoid legal issues, the MAME development team does not package these copyrighted files directly with the emulator software.

Dependency: Modern versions of MAME treat QSound as a "device." Because many games share this same audio hardware, MAME expects a single qsound_hle.zip file to be present in the ROMs directory to serve all dependent games. Troubleshooting Common Issues

Error Message: If you see an error like dl-1425.bin (qsound_hle) not found, it means the file is missing from your roms folder.

Naming: Depending on your version of MAME, the file might need to be named qsound.zip or qsound_hle.zip. Most modern versions require qsound_hle.zip.

Placement: Do not unzip the file. MAME is designed to read the necessary .bin data directly from the compressed archive.

For those managing large collections, tools like clrmamepro or the Arcade Database can help verify if your qsound_hle.zip matches the requirements for your specific MAME version.

Based on the keyword phrase qsoundhlezip mame, the feature being produced is High-Level Emulation (HLE) of the Capcom QSound System for the MAME (Multiple Arcade Machine Emulator) project.

Here is a breakdown of the technical feature production involved:

1. What is QSound?

In the early 1990s, Capcom wanted to compete with the booming stereo sound of SNK and Sega. They licensed a technology from a company called QSound Labs.

What it did: It created a 3D positional audio illusion using only two speakers. Games like Street Fighter II: The World Warrior (the later revisions), Final Fight, and The Punisher used QSound to make punches feel like they came from the left and crowd noise from the right.

The Emulation Problem: The original arcade hardware (CP System I, II, and III) used a dedicated DSP (Digital Signal Processor) chip to decode this audio. MAME cannot simply "record" the sound; it has to emulate the chip.

5. What about the "Zipped" Audio? (hlezip)

It is possible that by "hlezip," you are referring to the compression format used in older builds or specific "lite" versions of MAME where high-quality samples were zipped to save space.

However, the QSound update renders the need for external sample packs obsolete in many cases. Previously, if emulation was bad, fans would record audio from real hardware, zip it, and tell MAME to play those recordings instead of emulating the chip.

• The Good News: With the modern qsound core, you no longer need "sample packs" (zipped audio files) for CPS-2 games. The emulation is now accurate enough that the machine generates the correct sound on its own.

Title: The Quiet Crisis of QSound: Why HLE in MAME Broke My Arcade Nostalgia (And Then Fixed It)

By: ArcadeHacker | Posted: April 19, 2026

If you’ve ever unzipped a MAME ROM set and heard those iconic, sweeping “whoosh” effects in Street Fighter II: The World Warrior—or the pinpoint directional audio of a bomb dropping in 1942—you’ve witnessed the miracle of arcade emulation.

But when you get to Capcom’s CPS-2 era (Super Street Fighter II Turbo, Alien vs. Predator) or the legendary CPS-3 (Street Fighter III: 3rd Strike), something changes. The audio feels... flat. Sterile. That’s because you’re not hearing QSound.

And if you’re using a stock mame.ini with HLE audio, you’re living a lie.