Ultra Encode HDMI Plus
Ultra Encode HDMI Plus

A Flexible & Universal Streaming and Recording Encoder

SKU: 531500000

  • Live streaming and recording with support for H.264, H.265, NDI® HX2 and NDI® HX3
  • Flexible choice of streaming protocols including RTMP, RTMPS, SRT, HLS and more
  • Control via web interface or optional Control Hub centralized management software

Interface

Specifications and Features

Input Features

  • Support for up to 4096x2160 4:4:4/4:2:2 30fps input and loop through signals
  • Input & loop through 8-Channel, 24-bit HDMI embedded audio
  • Input audio from 3.5 mm LINE IN

Encoding Features

  • Dual stream encoding profiles: main stream and sub stream up to 4096x2160p30
  • Max bitrate: 62Mbps (NDI® HX3), 32Mbps (Others)
  • Support for H.264/HEVC video encoding
  • Provide video aspect ratio conversion, image rotation and cropping for the main and sub streams
  • Encoding 8-channel AAC and audio channels mapping
  • Side-by-Side 3D video encoding

Streaming Features

  • Natively support Facebook, Twitch, YouTube and WOWZA
  • Supported streaming protocols: RTSP/RTMP/RTMPS/SRT Caller/SRT Listener/NDI® HX2/NDI® HX3/HLS/TS over UDP/TS over RTP/TVU ISSP
  • Allow simultaneous 6 sessions over multiple streaming protocols
  • Support for streaming schedule

Recording Features

  • Record to internal storage (128GB), external USB storage or network attached storage (NFS/CIFS)
  • Automatically upload recorded files to remote file storage platform
  • Video recordings in MP4, MOV or TS format
  • Normal recording and loop recording supported
  • Support for recording schedule

Others

  • PoE available
  • Tally lights for NDI® HX3
  • Remote control via Web GUI and Control Hub
  • Provide HTTP APIs
Full specifications and features
Firmware
Firmware
document document Download

V2.3.353

History version Arrow Arrow

46.4 MB | 2025.07.03

Descriptions:
  1. Supports custom PID settings for SRT Caller/Listener.
  2. Supports accessing the Web UI via the domain name "devicename.local", where space in the name is replaced by "-".
  3. Supports setting static IP address when configuring wireless networks.
  4. Add synchronization service status for NTP time.
  5. Update NDI® discovery server to support multiple IP addresses.
  6. Update NDI® SDK version to V6.1.1.
  7. When both input and encoding resolutions are 720x576, the video aspect ratio follows the input signal.
  8. Scheduler supports importing local calendar files or remote calendar links.
  9. Supports vertical screen resolutions of 1080x1920 and 720x1280.
  10. Supports FTP multi-level directories.
  11. Fix incorrect bottom field display when capturing interlaced signals without deinterlacing.
  12. Fix data transmission failure when setting main stream and preview stream as black screen streams in NDI® streams.
  13. Fix occasional download failures when downloading files via the web interface.
  14. Fix the issue where the UDP/RTP PMT PID setting could not be applied to Video/Audio PID settings.
  15. Fix the display issue of NDI® streaming image when setting sub-stream rotation.
  16. Remove the HLS stream bandwidth limit.
  17. Modify the minimum delay time of SRT Caller/Listener to 20 milliseconds.
  18. Fix decoding display of 904 when video encoding height is 900.
  19. Fix the issue that color space and quantization range in video output settings affect encoding output.
  20. Fix the failure to upload files to Dropbox caused by an authentication issue.
  21. Fix the problem with the output picture when deinterlacing is not performed and rotation is done during interlaced signal output.
  22. Optimize the display of the Web UI on mobile devices.
Documents
Documents User Manual for Ultra Encode Plus
English | 7.95 MB | 2025/07/03
Download
Documents Quick Start Guide for Ultra Encode Plus
English | 5.02 MB | 2023/11/16
Download
Accessories

Included

Power Adapter (US/EU/UK/AU/JP)x1

Part number: ACC08010

USB 2.0 Type B cable x1

Part number: ACC00065

HDMI Cable x1

Part number: ACC00090

Wi-Fi Antenna x1

Part number: ACC09021

T-bracket x1

Part number: ACC02241

We recommend you always use the included accessories to avoid unnecessary damage to your device. Please note, the appearance of the power adapter may vary due to suppliers or batches. The images here are for reference only.

NDI® is a brand of the Vizrt Group.

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