Bring new life, flexibility, and creative range to your Korg DDD-1, DDD-5, and DRM with the Deftaudio PCM Custom Card, a fully programmable, multi-bank PCM expansion designed for musicians, sound designers, and vintage gear enthusiasts.

8 Banks of Instantly Switchable Sounds

• The card stores up to 8 PCM banks in non-volatile memory, each selectable via the front-mounted DIP switch panel for fast hands-on switching during sessions or performance.
• Each bank provides up to 8 sound slots with roughly 1.5 seconds of shared sample time, ideal for drum hits, percussive textures, stabs, and short FX.

Seamless Integration with Korg DDD-1/DDD-5 OS

• All sound names are properly recognized and displayed on the DDD-1/5 screen, making this user-friendly PCM upgrade available.

USB-C Programmable

• Load your own samples using the built-in USB-C interface.
• Windows companion scripts are included for fully automated import; macOS and Linux users can run them via Parallels, VirtualBox, Wine, or similar environments.
• Supports standard WAV files with no special requirements. Sounds are automatically trimmed, resampled, mono converted to maximize utilization of internal memory.

Visual Feedback While You Work

• A perimeter LED indicator provides clear visual activity cues while accessing or programming the card, it adds a vintage gear aesthetics.

Open Source & Fully Hackable

• Based on PicoROM open-source project, the Deftaudio PCM Custom Card is highly modifiable for developers and power users who want to customize behavior, storage layouts, or even firmware.
• PCM conversion scripts are highly modifiable and tweak-able. Based on previous work of R-Massive and shared back with a community.
• Fully Github documented, DIY community is welcomed.

Downloads

• Tutorial video on Youtube

• Manual

• Github repository

• Programming Tools

• Sound Banks

Package options:

• Complete Electronics kit: Includes PCBs and all electronics (with assembled PicoROM). Minimal soldering skills required, only thru-hole parts soldering.

Fully assembled: Ready to use card