Use HEVC for sports contribution with the Xylostream XD4000 decoder

If you’re launching an Ultra HD service and want to include live events you will need to receive an Ultra HD contribution feed. Using HEVC brings the advantage of a 50% reduction in bandwidth and reduced transmission cost. Xylostream’s XD4000 decoder is the first to support HEVC contribution and provides 4 x 3G-SDI interfaces to connect to your encoder chain.

Benefits of using the XD4000

HEVC decoding of Ultra HD with 4 x 3G-SDI output

Broadcast quality output with industry standard interconnect

Rack mountable professional decoder

Start using HEVC for Ultra HD contribution

Hardware based decoding for low latency

XD4000 Features

All the features you need to decode your HEVC Ultra HD stream

MPEG-2 TS over UDP/IP or optional ASI

Support for all Ultra HD formats up to 3840x2160 p60, 4:2:2 Main-12

Bit rates up to 100Mbps

4 x 3G-SDI output

Xylostream XD4000 Specification



Ultra HD resolution 3840 x 2160
4:2:0 : Main, Main-10, Main-12 profiles
4:2:2 : Main-10, Main-12 profiles
24, 25, 30, 50, 60 fps (including fractional variants)
HD resolution 1920x1080 and 1280x720 @ 59.94p & 50p, 1920x1080i Bit rates up to 100Mbps


AAC stereo
LPCM stereo
Optional support for up to 8 stereo pairs
Optional DOLBY support

Ancillary Data

A Future support for HDR and colorimetry metadata pass-thru

Power, Physical, Envrionmental

Input Voltage

100-240VAC, 50/60 Hz
Redundant hot swappable power supplies


1RU x 19” width x 429mm depth
Front to back airflow

Control and System Management

Control Modes

Standalone web-based user interface

Control Interface

2 x IP Ports


Transport Inputs

2 Ports, GbE electrical
Optional ASI


Video Output

4 x 3G-SDI (SMPTE 424M/425M)
Level A and B, 4:2:2 Output
Optional Genlock

Audio Output

Embedded in 3G-SDI


Follow the link to Download the Datasheet for the XD4000