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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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

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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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4.0 ★★★★★
Based on 19 reviews
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M
Verified Purchase
Mynx
Houston, US
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2025
R
Verified Purchase
Rmanuel
Dallas, US
★★★★★ 1
Paid for new, received used.
Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it. I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
F
Verified Purchase
Fletch
Boise, US
★★★★★ 5
Overall Great.
Size: 10.5 Wide, Color: Black
Great product. Great value. Great style. Overall great.
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Reviewed in the United States on March 3, 2026
B
Verified Purchase
B.J. G
Massapequa, US
★★★★★ 3
Decent Shoes with Misleading Description (Not Leather)
Size: 12 Wide, Color: Black, Size: 12 Wide, Color: Black
I only look for leather when I’m purchasing dress shoes. Under the description “details” on this item it lists the shoe as leather upper and inner lining. A photo shows “genuine Napa leather lining”. If you keep reading (which I have now that I’ve received the shoes) it shows “faux leather” in the small print and that is not “leather”. I run a small leather business and this irks me because it’s clearly false advertising. The details also show the product is made in Brazil but when they arrived today, the shoe tag shows “Made in China” and “Man Made upper and lower”. I don’t hate the shoes. They look nice. What I know is they won’t hold up over time like leather, which is why the description should be accurate and not misleading.
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Reviewed in the United States on March 28, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

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