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Blackmagic Design Blackmagic Streaming Decoder 4K
BDLKWEB/J/DES4K
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Blackmagic Streaming Decoder 4K
Professional decoder that receives H.264 streams from ATEM switchers and Blackmagic cameras, converting them into SDI and HDMI video. Includes tally, camera control, and Blackmagic Cloud streaming support.
Professional decoder that receives H.264 streams from ATEM switchers and Blackmagic cameras, converting them into SDI and HDMI video. Includes tally, camera control, and Blackmagic Cloud streaming support.
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Blackmagic Streaming Decoder 4K
The Blackmagic Streaming Decoder 4K is a professional-grade device designed to receive H.264 or H.265 video streams from Blackmagic Streaming Encoders, ATEM switchers, or compatible Blackmagic cameras. It converts the incoming streams into high-quality SDI and HDMI video outputs in real time. The unit also features built-in support for Blackmagic Cloud streaming and includes a 12G-SDI reference input, allowing tally, camera control, and talkback signals to be redirected back to the encoder—ensuring seamless integration for advanced live production workflows.
The Blackmagic Streaming Decoder 4K is a professional-grade device designed to receive H.264 or H.265 video streams from Blackmagic Streaming Encoders, ATEM switchers, or compatible Blackmagic cameras. It converts the incoming streams into high-quality SDI and HDMI video outputs in real time. The unit also features built-in support for Blackmagic Cloud streaming and includes a 12G-SDI reference input, allowing tally, camera control, and talkback signals to be redirected back to the encoder—ensuring seamless integration for advanced live production workflows.
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 |
| Direct Streaming Audio I/O | 2 streaming audio out, 2 program audio in, 2 talkback audio in |
| SDI Audio Inputs | 16 embedded channels on 12G-SDI Ref In |
| SDI Audio Outputs | 16 channels on 12G-SDI Ref Out, 2 on 12G-SDI Out |
| HDMI Audio Outputs | 8 embedded channels on Monitor Out |
| Webcam Output | 1 x USB-C up to 2160p60 |
| Ethernet | BASE-T 10/100/1000 for live streaming, setup, and software updates |
Video Standards
| HD Video Input Standards | 720p50/59.94/60, 1080i50/59.94/60, 1080p23.98–60, PsF23.98–30 |
| Ultra HD Video Input Standards | 2160p23.98–60 |
| SDI Compliance | SMPTE 259M, 292M, 296M, 424M, 425M A/B, 2081‑1/10, 2082‑1/10, 2084, 2108‑1 |
| Input Color Space | Rec. 709, Rec. 2020 |
| 3G SDI | Auto-detection of SMPTE Level A or B on SDI input |
| HDMI HD Video Standards | 720p50/59.94/60, 1080i50/59.94/60, 1080p23.98–60 |
| HDMI Ultra HD Standards | 2160p23.98–60 |
| HDMI 4K Standards | 4Kp23.98–60 DCI |
| HDMI Color Precision | 4:2:2 |
| HDMI Color Space | YUV |
| Streaming Video Standards | 720p25/30/50/60, 1080p23.98–60, 2160p23.98–60 |
Streaming
| Direct Streaming | Receives H.264 (RTMP) or H.265 (SRT) streams from Blackmagic encoders or compatible cameras |
| Closed Captions | Supports CEA-608 and CEA-708 captions in RTMP live streams (via Web Presenter 4K) |
| Timecode | Supports source timecode from RTMP/SRT streams on 12G-SDI Out |
Control
| Control Panel | Built-in control with 6 buttons, knob, and 2.2-inch color display |
| Device Control | Via front panel, USB-C or ethernet |
| External Control | Supports remote camera control, color correction, tally, and talkback. REST API over ethernet |
Display
| Display | Built-in 2.2-inch LCD for monitoring video, audio, and accessing settings menu |
Software
| Compatible Services | 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 |
Operating Systems
| macOS | macOS 13.0 Ventura, macOS 14.0 Sonoma or later |
| Windows | Windows 10 64-bit, Windows 11 |
| Linux | Linux |
| Chrome OS | Chrome OS |
Power Requirements
| Power Supply | 1 x internal 100-240V AC |
| DC Power Input | 1 x 4-pin XLR +12V for external sources or batteries |
| Power Consumption | TBA |
Installation
| Mounting | 1/3 RU width, 1 RU height |
Environmental Specifications
| Operating Temperature | 0° to 40° C |
| Storage Temperature | -20° to 45° C |
| Relative Humidity | 0% to 90% non-condensing |
Included Items
| Package Contents | Blackmagic Streaming Decoder 4K, welcome wallet with QR code for software download |
Warranty
| Manufacturer Warranty | Limited 1-year warranty provided by the manufacturer |
The SIAE contribution ex D.Lgs. n. 68/2003 is paid where applicable.
Prices include SIAE contribution ex D.Lgs. n. 68/2003 where applicable.
RAEE contribution ex D.Lgs 151/2005 is paid where applicable without exercising the right of payback.
If you buy a new product of the same type on our site you can get rid of the product that will be collected by specialized operators free of charge at your location and brought to the treatment plant for disposal.
Contact us to arrange for pickup at your home.
(notice according to art. 1 comma 1 of DM 8 Marzo 2010 n. 65)