SKU: 81594514178

Datavideo DVK-400 4K Real-Time Chroma Keyer With 10-Bit, 4:4:4 Video Processing

Sale price$1706.85 Regular price$1896.50
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Description

Datavideo DVK-400 4K Real-Time Chroma Keyer With 10-Bit, 4:4:4 Video ProcessingThe 4K Real Time Chroma Keyer with 10 Bit, 4: 4: 4 Video Processing from Datavideo provides you with high quality, real time chroma keying using 10 bit processing and 4: 4: 4 color sampling for clean edges with limited artifacts. The keyer supports video up to UHD 4K, and it is designed to allow you to choose from green or blue as the background to key your foreground subject. The keyer does all the processing in real time, requiring your computer

The 4K Real-Time Chroma Keyer with 10-Bit, 4:4:4 Video Processing from Datavideo provides you with high-quality, real-time chroma keying using 10-bit processing and 4:4:4 color sampling for clean edges with limited artifacts. The keyer supports video up to UHD 4K, and it is designed to allow you to choose from green or blue as the background to key your foreground subject. The keyer does all the processing in real time, requiring your computer only for interface control and adjustment using the downloadable DVK-400 software app for Windows.

This is a live keyer, which allows you to composite a foreground over a live video background, supporting both SDI and HDMI inputs for foreground and background as well as SDI and HDMI outputs for preview and program output. A separate HDMI input allows for an external matte as well as text, graphics, and video overlays. The keyer's sophisticated algorithms help preserve the transparency in smoke as well as providing clean keys with blonde hair, water-filled bottles, or glass objects. The DVK-400 is 1 RU tall and has built-in rackmount ears; it also has removable feet for desktop applications.

Network Keyer
The DVK-400 is accessible when connected to a network and is controlled by a software application on your computer.

Software
The software application is downloadable and requires a computer running Windows 10 or later.

Processing
  • The keyer features 4:4:4 color sampling support and 10-bit processing. This enables the DVK-400 to do all the heavy keying work while your computer only needs to handle the interface. This results in real-time 4K keying and is not dependent on the power of your computer.
  • A mirror feature is designed for the talent to see his or her own reference to the background objects.
  • You can adjust transparency, while preserving shadow detail. This allows you to work with elements such as blond hair, water bottles, or glass, while smoke and reflections can be easily keyed out by DVK-400.
  • Multiple HDMI and SDI outputs for Program and Preview with mirror option.
Intelligent Matte Control
Adjustable black and white levels allow for precise matte settings.

Garbage Matte
The keyer allows you to create and position a garbage matte for handling areas outside of the background, or items in frame that you don't want to composite.

Post Processing
You can adjust the brightness, contrast, and saturation of the foreground element after keying to help it blend with the background without affecting the background.

Features
  • For UHD 4K Chroma Key Green/Blue Keying
  • 12G/6G/3G-SDI In/Out
  • Easy-to-Use Real-Time Compositing
  • Windows Software Application Control
  • Discrete Foreground/Background Inputs
  • Auxiliary HDMI Input
  • Matte Control
  • Post-Processing Image Correction
  • Rack-Mountable

Specifications

Input Connectors
Foreground
12G/6G/3G: 1 x BNC
HDMI 2.0: 1 x Type-A

Background
HDMI 2.0: 1 x Type-A

Auxiliary
HDMI 1.4: 1 x Type-A (Lumakey Overlay/External Matte/Camera)

Sync
Tri-Sync or Blackburst: 1 x BNC
Output Connectors
Loop-Through
12G/6G/3G-SDI: 1 x BNC

Program
12G/6G/3G-SDI: 2 x BNC
HDMI 2.0: 1 x Type-A

Preview
12G/6G/3G-SDI: 1 x BNC
HDMI 2.0: 1 x Type-A

Sync
Tri-Sync or Blackburst: 1 x BNC
Video Format
3840 x 2160p: 60/59.94/50/30/29.97/25
1080p: 60/59.94/50/30/29.97/25
1080i: 60/59.94/50
Processing
Color Sampling Ratio: 4:4:4
Bit Depth: 10-Bit
Interface
Ethernet: RJ45
RS-232: DB-9
Firmware: USB Type-A
Software Requirements
Windows 10 or Higher
Power
Input: 7 to 15 VDC
Connector: 4-Pin XLR
Grounding Screw: x 1
Operating Temperature & Humidity
32 to 104°F / 0 to 40°C
10 to 80% (Non-Condensing)
Dimensions
19.06 x 9.57 x 1.73" / 48.4 x 24.3 x 4.4 cm
 
Weight
5.95 lb / 2.7 kg
Packaging Info
Package Weight
9.44 lb
Box Dimensions (LxWxH)
22.3 x 12.9 x 6.9"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81594514178

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Verified Purchase
dwaine dickson
Carnegie, US
★★★★★ 4
Great so ks
Very good socks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
J
Verified Purchase
Jennifer Woods
Draper, US
★★★★★ 1
Disappointing
Not what I was hoping for. I have a size 11 foot, so they fit fine. They are difficult to walk in and if your balance is bad, you run a high risk of falling. I wear mine at night so the majority of the time it is fine until I have to get up in the middle of the night
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Reviewed in the United States on January 20, 2026
R
Verified Purchase
Rena
Alexandria, US
★★★★★ 5
Serves its purpose
If you can get past the texture of the silicone these will work wonders for your feet. There’s no odor, easy to put on but they are cut small. There’s no moisture it just feels moist because of the silicone. They are very soft and durable.
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Reviewed in the United States on January 11, 2026
K
Verified Purchase
Karen
Bozeman, US
★★★★★ 3
Dissatisfied
Didn't like the socks at all. The silicone in them made my feet sweat and couldn't wiggle my toes at all. Gloves were okay, received them with holes between the fingers, only able to wear each twice.
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Reviewed in the United States on November 17, 2025
O
Verified Purchase
OhhDJ
New York, US
★★★★★ 2
too small
I saw these and instantly thought they would be amazing! I was hoping for just that. I received them today and tried them right away. I love the gel feel but im not really liking the way they kept rolling off. They're a bit too small id say and when walking they roll off from the back. I didnt think my foot was other than average? Maybe? Im a size 7 in women's shoes.
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Reviewed in the United States on September 12, 2025

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