AT THE SENDER
The CORE display
The DMP NEXUS CORE shows the exact output format it receives and it is sending — sample rate, bit depth, PCM or native DSD.
THE DMP NEXUS ARCHITECTURE
One bit-perfect path, from your desktop to your DAC.
The DMP NEXUS ecosystem follows a clear architectural approach. It examines the three segments of the audio path from desktop to DAC, with their specific data-handoff points.
This page is the overview. For the full technical reference, see our white paper .
THE THREE SEGMENTS
Separation of concerns, end to end.
Each segment solves its own problem: the sender captures and sends audio untouched, the network transports it losslessly, the receiver hands it to your DAC. The data is never resampled, converted, or compressed along the way.
The signal path runs in three segments. Segment one, the sender on your desktop: your app — Qobuz, Tidal, foobar2000 and others — feeds a driver or sink (ASIO or WAVERT on Windows, PipeWire on Linux), which feeds the DMP NEXUS CORE. The CORE sends the audio over your network using the SCD protocol over TCP. Segment two, the network: Songcast Direct carries the stream losslessly, up to DSD512 or PCM384, at about 45 Mbit/s for DSD512. Segment three, the receiver — the DMP ONE: it receives and renders the SCD stream, outputs it over USB as native DSD or DoP to up to two DACs, and your DAC plays it. The data is never resampled, converted, or compressed along the way.
SEGMENT 1 · SENDER
Your desktop, sending bit-perfect.
On the desktop, the DMP NEXUS CORE captures audio from any application and packs it — untouched — into the network protocol. On Windows, two custom drivers feed it: an ASIO driver (which carries native DSD) and a kernel-level WAVERT driver for WASAPI-exclusive PCM (and DSD as DoP). On Linux, the CORE provides a ready-to-use PipeWire sink — no driver installation needed.
Whatever plays on your desktop — Qobuz, Tidal, your local library — reaches the sender unchanged. The DMP NEXUS PLAYER, our open-source-based reference application, shows what the architecture can do.
SEGMENT 2 · NETWORK
Lossless transport over your network.
The sender and receiver speak Songcast Direct (SCD) — a protocol built on the OpenHome standard. Unlike the UDP-based Songcast, SCD uses connection-oriented TCP for lossless, reliable transport, extended here to carry up to DSD512 and PCM384. A DSD512 stereo stream needs about 45 Mbit/s — well within any modern home network.
Because SCD is OpenHome-based, the DMP ONE is interoperable with the wider OpenHome world — Linn and Lumin players can be driven from the CORE. One caveat: in the original version used by Linn, SCD is capped at PCM192/DSD128 and down-converts anything above that, so for bit-perfect playback at the highest rates, send from the CORE directly. For reliability on the receiving end, the DMP ONE uses wired Gigabit Ethernet.
SEGMENT 3 · RECEIVER
The DMP ONE hands it to your DAC.
The DMP ONE is the receiver: an OpenHome network player in a CNC-machined aluminium enclosure. It receives the SCD stream and passes it bit-perfect to a connected USB DAC. Up to two DACs can run in parallel — added or removed by plug-and-play, with automatic format negotiation and no restart.
It also works as a standalone music server: an internal NVMe SSD and a built-in DLNA media server let it play your local library without the desktop in the loop. Where the architecture ends is deliberate — the bit-perfect digital chain reaches the DAC's USB input; D/A conversion is the DAC manufacturer's responsibility.
VERIFIABILITY
Bit-perfect is something you can check.
We don't ask you to trust the claim. The current stream format is visible at three independent points along the chain — if all three agree, the transfer is bit-perfect.
ON THE NETWORK
Your OpenHome app
The DMP ONE reports the live stream format to any OpenHome compatible control point — e.g. the Linn app
AT THE DAC
The DAC's own display
Most quality DACs show the format arriving at their USB input — sample rate, bit depth, native DSD or DoP.
Three independent points. No special tools required. This is what we mean by engineering you can verify.
WHERE WE STAND
Today, the DMP NEXUS is the only available, open-standards-based, bit-perfect desktop-to-network streaming path for Windows, Linux, and — via the VIRTUAL APPLIANCE — macOS on Apple Silicon.
FOR THE THOROUGH READER
The whole architecture, in one document.
The white paper documents every segment in full technical detail.