NextComputing HD51 4K Live Production Switcher (Powered by Livestream Studio) Main

Livestream HD51 4K Live Production Switcher (Powered by NextComputing)

Livestream HD51 4K Live Production Switcher (Powered by NextComputing)

  • 6G-SDI or HDMI 4K Inputs (x5)
  • x25 NDI Inputs
  • x1 HDMI Outputs or 6G-SDI Output
  • Analog Audio (1/8”) Input
  • Recording Capacity: 40 hours at 1080i
  • 2TB SSD
  • 64GB RAMS
  • NVIDIA Quadro P400
  • Livestream Studio Keyboard Included
Ships in 1-2 Weeks

The Livestream HD51 4K Live Production Switcher (Powered by NextComputing) is an all-in-one live production video switcher that built with the rack-mounted style; it offers a reliable solution of 4K video switcher, mixer, and streaming solution. To provide sufficient inputs for the Video connectivity, this product has 5 HD-SDI Inputs, 5 HDMI Inputs and the Video Outputs: 1 HDMI Outputs, as well as 1 Standard/High Definition SDI Output. On the Audio I/O, there are 1 Analog Audio (1/8”) Input and 1 Analog Audio (1/8”) Output.

Given the fact that this Livestream HD51 4K is a rack-mounted device, as such this product suitable for studios, live venues, production facilities as well as production trucks that have a rack set up. This product can process the recording, up to 4 concurrent recordings and it is also compatible with other software: Adobe Premiere and Blackmagic Design Media Express. The recording capacity can operate up to 40 hours at the 1080i quality. Therefore, with the 2TB SSD, this product can record at 100 Mbps MJPEG AVI. As for the CPU, this device uses the Intel Core i9 7900X Processor and NVIDIA Quadro P400 for the Graphics Card.

Besides those technical details, this Livestream HD51 4K comes also with cool Graphics Downstream Key engine which consists of 3 x Graphics DSK (downstream key) channels. In addition, the Graphic and Titling offers users to load JPG or PNG files and also adds some text to any loaded image to all the 3 Graphics. Moreover, the Video Clip Playback provides 2 Media Players with plenty convenient control. The greatness of this product is not just for the Video features but also audio whereas the Audio Mixing features have the integration of multi-channel audio mixer for internal and external audio sources, outputs, stream, and headphones. Not to be left out, the Live Streaming functionality is another superiority that this product has. In this regards, users can produce video in HD live streaming quality over the built-in Gigabit/100/10 Ethernet. Then, users can publish their content via reliable platforms: Ustream, YouTube Live, Akamai, Wowza Media Server, Twitch.

More Information
In the Box

Livestream HD51 4K Powered by NextComputing
Power cable
Livestream Studio™ Keyboard
USB Mouse
Livestream Mousepad
Rack Ears Rubber Feet
Blackmagic Design cards documentation and driver CD
1-Year Limited Warranty

HD-SDI Inputs 5
NDI Input 25
NDI Output 5
Embedded Audio Input 5 Stereo or 40 Mono Inputs
Audio Monitoring (1/8”) 1
HDMI Inputs 5
HDMI Outputs 1
HD-SDI Output 1
Analog Audio (1/8”) Input 1
Analog Audio (1/8”) Output 1
Analog Audio (1/4”) Input 0
Analog Audio (1/4”) Output 0
AES/EBU Input 0
AES/EBU Output 0
Custom Carry Bag 0
Media Sources 7 integrated digital media sources for video & graphics playback. 2 DDRs (video clip playback with built-in transcoder), 3 GFX (graphics), 2 Color Bars / Background Color
Remote Camera 10 x Remote camera module for ingesting video/audio over local WiFi or Ethernet network, downlinking streams, and Interviews via WebRTC.
Format Converter Built-in broadcast quality format converter for every input with automatic format detection. Allows use of any camera and video source without matching video formats
Built-In Multiview On-screen full field rate multiview of all live inputs, Preview, Program Out, GFX and DDR, Audio PPM overlay with peak hold feature on all inputs and outputs. Resizable layout allowing hiding of all controls to maximize multiview screens.
External Multiscreen 3x Extended Screen outputs
Video Switcher/Mixer Mixer & Effects Bank (M/E) with no upstream keyer. transitions : SMPTE Wipe, Cut & Fade (Auto transition with adjustable duration in frames, manual via on-screen T-BAR or keyboard shortcuts)
Graphics Downstream Key 3 x Graphics DSK (downstream key) channels. One channel for GFX1, one channel for GFX2 and onechannel for GFX 3. Independent or locked transition controls (fade/cut/wipe). Preview on multiview
Graphics & Titling Load JPG or PNG files (full transparency support with PNG files). Add text (set position/font/size/color) over any loaded image file within the GFX1, GFX2 or GFX3
Video Clip Playback 2 Media Players – Eject/Load clip. Play Pause/stop. Audio/Video Scrubber. Timecode indicator. Seek to timecode. Mark In/Mark Out. Loop. Auto-play on transition
Recording Up to 4 simultaneous isolated source recordings. MJPEG with uncompressed audio or 1 MP4 Recording with AAC audio compression. Interlacing and timecode support. Full compatibility with Blackmagic Design Media Express and Adobe Premiere.
Recording Capacity ~40 hours at 1080i (Using 2 TB built in SSD with recorder set to record at 100Mbps MJPEG AVI)
Live Streaming HD live streaming via Gigabit/100/10 built-in Ethernet. Presets in up to 4K. Multiple simultaneous bit-rates, including mobile quality for playback over 3G on mobile devices (iPhone/Android).
Streaming Quality Multiple simultaneous bit rates (up to 4k 30fps), including mobile quality for playback on iOS/Android mobile devices.
Streaming Destinations Vimeo, Livestream, Facebook Live, Periscope, Ustream, YouTube Live, Akamai, Wowza Media Server, Twitch or any other RTMP compatible service.
Audio Mixing Integrated multi-channel audio mixer for internal and external audio sources, outputs, stream and headphones. Incorporated video switcher follow feature with audio crossfade support when fading two video sources.
Supported Formats


HD: 720p50, 720p59.94, 720p60, 1080PsF23.98, 1080p23.98, 1080PsF24, 1080p24, 1080PsF25, 1080p25, 1080PsF29.97, 1080p29.97, 1080PsF30, 1080p30, 1080i50, 1080i59.94 and 1080i60

SD: 625/25 PAL, 525/29.97 NTSC*The pre-installed Blackmagic Design capture devices in the HD31/HD51/HD550 do not support 4k

Playback Media Formats GFX: JPEG or PNG image files with transparency support. DDR: AVI MJPEG with uncompressed audio, DV Video, WMV (7/8/9), H.264 (.mp4, .mov & .avi), MPEG4 Part 2 (.mov & .avi), MPEG4 V1/V2 (.mov & .avi), AAC, MP3
Record Media Formats AVI MJPEG with uncompressed audio. MP4 with AAC audio compression.
Operating System Windows 10 Professional (64 bit)
Built-in Display None
CPU Intel Core i9 7900X Processor (13.65MB Cache, up to 3.30 GHz)
Graphics Card NVIDIA Quadro P400
Storage 2 TB Samsung 850 EVO SATA III 2.5"
Processing Video: 4:2:2, 10 bit Color (REC 601, REC 709) Audio: 48 kHz, 24-bitrEF IN/Genlock (Requires genlocking the two Blackmagic Design cards via two separate connectors)
Built-in Video Input/Output Cards 5 Blackmagic Design DeckLink Mini Recorder 4k (PCIe), 1 Blackmagic Design DeckLink Mini Monitor 4k (PCIe)
Built-in Network Interfaces Dual Gigabit Ethernet (10/100/1000 Mb/s) and WiFi (802.11 a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band)
Physical Dimensions 14"(D) x 17"(W) x 3.5"(H)
Weight 13.8 lbs
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