Connections
SDI Reference Inputs 1
SDI Video Outputs 1
SDI Reference Outputs 1
SDI Rates
1.5G, 3G, 6G, 12G
HDMI 2.0 Video Outputs 1
Live Stream Audio Inputs / Outputs
2 channels embedded Live Stream audio on output.
2 channels embedded Program audio on input.
2 channels embedded talkback audio on input.
SDI Audio Inputs
16 channels embedded audio on 12G-SDI Ref In.
SDI Audio Outputs
16 channels embedded audio on 12G-SDI Ref Out.
2 channels embedded audio on 12G-SDI Out.
HDMI Audio Outputs
8 channels embedded audio on Monitor Out.
Webcam Outputs
1 x USB-C up to 2160p60
Ethernet
Ethernet supports 10/100/1000 BASE-T for live streaming, configuration and software updates.
Blackmagic Streaming Decoder 4K
Standards
HD Video Input Standards
720p50, 720p59.94, 720p60,
1080i50, 1080i59.94, 1080i60,
1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94, 1080p60,
1080PsF23.98, 1080PsF24, 1080PsF25, 1080PsF29.97, 1080PsF30
2K Video Standards
2Kp23.98 DCI, 2Kp24 DCI, 2Kp25 DCI, 2Kp29.97 DCI, 2Kp30 DCI, 2Kp50 DCI, 2Kp59.94 DCI, 2Kp60 DCI,
2KPsF23.98 DCI, 2KPsF24 DCI, 2KPsF25 DCI, 2KPsF29.97 DCI, 2KPsF30 DCI
Ultra HD Video Input Standards
2160p23.98, 2160p24, 2160p25, 2160p29.97, 2160p30, 2160p50, 2160p59.94, 2160p60
4K Video Standards
4Kp23.98 DCI, 4Kp24 DCI, 4Kp25 DCI, 4Kp29.97 DCI, 4Kp30 DCI, 4Kp50 DCI, 4Kp59.94 DCI, 4Kp60 DCI
SDI Compliance
SMPTE 259M, SMPTE 274M, SMPTE 292M, SMPTE 296M SMPTE 372M, SMPTE 424M, SMPTE 425M level A and B
Video Input Color Space
Rec. 709, Rec. 2020
3G SDI
Auto detects SMPTE level A or B on SDI input.
HDMI HD Video Standards
720p50, 720p59.94, 720p60
1080i50, 1080i59.94, 1080i60
1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94, 1080p60
HDMI Ultra HD Video Standards
2160p23.98, 2160p24, 2160p25, 2160p29.97, 2160p30, 2160p50, 2160p59.94, 2160p62
HDMI 4K Video Standards
4Kp23.98 DCI, 4Kp24 DCI, 4Kp25 DCI, 4Kp29.97 DCI, 4Kp30 DCI, 4Kp50 DCI, 4Kp59.94 DCI and 4Kp60 DCI
HDMI Color Precision
4:2:2
HDMI Color Space
YUV
Video Streaming Standards
720p25, 720p30, 720p50, 720p60
1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94, 1080p60
2160p23.98, 2160p24, 2160p25, 2160p29.97, 2160p30, 2160p50, 2160p59.94, 2160p60
Streaming
Direct Streaming
Receives (RTMP) H.264 or (SRT) H.265 streams from the Blackmagic Streaming Encoder or compatible Blackmagic cameras.
Closed Captions
Web Presenter 4K supports embedding CEA‑608 and CEA‑708 closed captions in your live RTMP stream.
Timecode
Support source timecode over RTMP and SRT streams on 12G-SDI Out.
Control
Control Panel
Built in control panel including 6 buttons, spin knob control and 2.2 inch color display.
Device Control
Front panel, USB‑C or Ethernet.
External Control
Supports remote camera control, color corrector, tally and talkback.
REST API over Ethernet for external control via HTTP when used with REST client applications.
Displays
Built in 2.2 inch LCD for monitoring video, audio and status plus menu settings.
Software
Compatible Services and Software
Facebook, Twitch, YouTube, Twitter, Restream.IO, Vimeo, BoxCast, Castr, AfreecaTV, Bilibili, DouYu, Weibo, Zoom, Skype, Microsoft Teams, QuickTime Player, FaceTime, OBS Studio, Open Broadcaster, VLC, Wirecast Play, Wowza Streaming Engine.
Operating Systems
Mac icon
Mac 13.0 Ventura,
Mac 14.0 Sonoma or later.
Windows Icon
Windows 10, 64-bit.
Windows 11.
Linux icon
Linux
Chrome Icon
Chrome OS
Power Requirements
Power Supply
1 x Internal 100 - 240V AC.
12V DC Input
1 x 4-pin XLR for +12V DC input for external power supply or battery use.
Power Usage
TBA
Physical Installation
Physical Installation
One third rack unit width, 1 rack unit height.
Physical Specifications
Blackmagic Streaming Decoder 4K
Environmental Specifications
Operating Temperature
0° C to 40° C (32° - 104°F)
Storage Temperature
-20° to 45° C (-4° to 113° F)
Relative Humidity
0% to 90% non-condensing