: Many users solve "not found" errors by simply copying their existing qsound.zip and renaming the copy to qsound_hle.zip Check Integrity : Ensure the zip contains dl-1425.bin with the correct checksum (CRC32: : These device files must be placed directly in your MAME folder, just like game ROMs. Historical Context
The chip hardware is essentially a running a mask-programmed ROM, capable of mixing 16 PCM channels and 3 ADPCM channels with built-in FIR filters and echo effects. The DSP program was written by legendary audio engineer Brian Schmidt , the same mind behind the audio for Mortal Kombat and NBA Jam .
If you are missing qsound-hle.zip , you can often take your existing qsound.zip , copy it, and rename the copy to qsound_hle.zip to solve the issue. Where to Place qsound-hle.zip
| Game Title | MAME Driver | Requires QSound? | | :--- | :--- | :--- | | Street Fighter Alpha 3 | cps2 | | | Marvel vs. Capcom | cps2 | Yes | | Dungeons & Dragons: Shadow over Mystara | cps2 | Yes | | Eco Fighters | cps2 | Yes | | 1944: The Loop Master | cps2 | Yes | | Mega Man: The Power Battle | cps2 | Yes | | Alien vs. Predator | cps2 | Yes | | Progear (Cave) | cps2 | Yes | | Note: CPS-1 games like original Street Fighter II (World Warrior) | cps1 | No (uses discrete DAC) | qsound-hle.zip mame
: This is the internal DSP (Digital Signal Processor) firmware for the Capcom QSound chip. Key Facts & Troubleshooting
Keeping your qsound-hle.zip updated alongside your MAME version prevents "Missing Files" errors when launching CPS-2 titles.
Close MAME, reopen it, and refresh your game list. Launch your Capcom game. You should hear the audio immediately. : Many users solve "not found" errors by
: Launch a QSound-dependent game (e.g., Street Fighter Alpha 3 , Marvel vs. Capcom , Dungeons & Dragons: Shadow over Mystara ) in MAME. If you see a message indicating qsound_hle.zip is missing or incorrect, this is your issue.
The need for this "Rename Trick" stems from a significant change in how MAME handles QSound emulation. The shift from a single qsound.zip to a new qsound_hle.zip approach was a deliberate design choice that occurred around , released in late 2018.
If you use a modern version of MAME but try to run older Capcom game files without this audio BIOS, your system will halt and display an error message. 🛠️ How to Fix the "dl-1425.bin Not Found" Error If you are missing qsound-hle
: This is the folder where all your game .zip files are stored. The exact path will vary, but it is often set in your mame.ini file. For RetroArch users, this is typically within the RetroArch/System folder.
: Like other BIOS or device files, this zip should be placed in your MAME roms folder without being unzipped.
QSound, short for QSound audio system, was an innovative audio solution developed for arcade machines. It was capable of producing high-quality stereo sound, a significant advancement over earlier mono audio systems. QSound was used in a variety of popular arcade games during its time, enhancing the gaming experience with richer, more immersive audio.