MMG D:ONE compact NDI and USB media player with HDMI output

Image for illustration only. Final product design is subject to change.

MMG D:ONE

Technical Specifications

Specifications reflect the current engineering platform and may change before launch.

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NDI® & Video

NDI® input
Any NDI® or NDI®|HX source on the network (NDI Advanced SDK)
Hardware decode
HEVC (H.265) on the dedicated video block — 4K at 60fps, zero-copy to the display
Bandwidth
Full quality, or a lean proxy stream, per source
Playback modes
Single source · Quad multiview · USB media · Audio visualiser
Managed networks
NDI® Discovery Server, receive groups, and source filtering

Display Output

HDMI
1× HDMI — drives whatever the display advertises, up to 4K at 60Hz
Output modes
The display's preferred mode, a mode you choose, or follow the source live
Safe by default
A new mode only sticks once you've confirmed the picture
Image adjust
Overscan trim 0–10% · 180° rotate · horizontal and vertical mirror
If a source drops
Branded holding screen, last frame, or black
Hotplug
Live HDMI connect and disconnect detection

Media Player

Source
USB drives — hot-plugged, auto-mounted, and read-only so you can pull one whenever you like
Filesystems
exFAT, NTFS, FAT32, ext4
Video
Up to 1080p — MP4, MOV, MKV, WebM, AVI, TS and more
Images
JPEG, PNG, WebP, HEIC, AVIF, GIF, TIFF, BMP
Playlists
Mix stills and video · loop · shuffle · per-image timing
Transport
Pause, resume and seek

Audio

Output
HDMI embedded audio
Control
Master volume
Buffering
Tunes itself to the network, or set it by hand
Visualisers
Spectrum analyser and beat-driven ambience

Connectivity

HDMI
1×
Ethernet
Gigabit — DHCP or static IP
WiFi
Dual-band, with built-in hotspot / access-point mode
USB
2× USB 3.0
Power
USB-C
Discovery
mDNS / Bonjour

Control & Management

Web interface
Any browser — just type the device's address
Live updates
The interface pushes changes as they happen
REST API
Full HTTP API for automation
Security
Optional PIN lock
Setup
Scan-to-join WiFi QR shown on the display at first power-up
Holding screen
Upload your own full-screen image
State
Every setting survives a reboot
Factory reset
From the interface, the API, or the hardware button

Fleet & Monitoring

Discovery
Units find each other on the network automatically
Control
Any unit can drive the fleet — no server, nothing in the cloud
Security
Encrypted mutual-TLS between units, each with its own certificate
Enrolment
A six-digit code shown on the device's own screen authorises it to join
Grouping
Tag devices into groups and address them by name
Identity
Every unit carries its own serial — label it whatever suits the room
Health
Temperature, load, memory, disk, network throughput, input voltage and power draw