TECHNICAL WHITE PAPER · DMP NEXUS
Bit-perfect audio streaming from desktop to DAC
The complete technical reference for the DMP NEXUS ecosystem: the desktop sender architecture, the SCD network protocol, and the receiver. How audio travels bit-perfect from any application to your DAC — fully documented and openly available. For people who like to go deep.
TABLE OF CONTENTS
The white paper is a complete technical reference, structured around the three segments of the architecture. Below is the chapter breakdown.
Using a Windows, Linux, or macOS desktop as a primary audio source in high-end audio setups opens up comprehensive possibilities — and brings its own set of technical requirements. This chapter maps the territory.
The convictions behind the architecture: verifiable bit-perfect transfer, data integrity, standards conformance, minimal configuration, and full x86_64/ARM64 support.
The desktop side in full: Windows integration (ASIO and WAVERT), the Linux PipeWire sink, the DMP NEXUS CORE as streaming orchestrator, and the DMP NEXUS PLAYER as reference player.
How sender and receiver communicate: an OpenHome-based, lossless TCP protocol reliably carrying up to DSD512 and PCM384/24 across your network.
The DMP ONE in detail: dual-DAC plug-and-play with adaptive DSD configuration, a hardened Debian 12 (Bookworm) base with over-the-air updates, and the local DLNA/UPnP music server.
Where the architecture stands today, and where it's heading.
The paper closes with acknowledgements to the open-source community and full references. Diagrams, tables, and references included.
WHO THIS IS FOR
AUDIOPHILES
If you compare specifications, audition critically, and want to understand how the system actually works — this document is written for you.
REVIEWERS
If you write about audio products and want primary technical information directly from the manufacturer, this is your source material.
ENGINEERS
If you have an engineering background — software, audio, hardware — and want to follow the architecture at the implementation level, this paper documents the work.
WHY WE PUBLISH IT
In the DMP NEXUS ecosystem, traceability is a design goal. That's why we lay the entire architecture open — from the application layer on the desktop to the bit-perfect signal at the DAC.
If we deliver bit-perfect transport, you can test it. If we describe an algorithm, you can follow how it works. If we build on open-source components, we name them and credit the work behind them. That's the idea behind this paper.
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