What audio delay is required to sync audio to video? I have 500 milliseconds max on my mixer.

I'm not an expert technician but I installed the card, configured it for 4 inputs (3 are cameras and one is a graphical feed from ProPresenter) and no audio through the card. I have a separate USB audio interface. The audio and video come together in Wirestream Pro. I did not have to add any delays in order to have the output from Wirestream synch'd. Images of the lips and audio of songs and speech seem perfectly aligned.

Does this work with OBS ?

Works perfectly with OBS. As long as the computer it is running on has the resources, it will work very well with OBS and Resolve.

The gaming computer that we purchased does not have an expansion slot in the computer and it can not be returned. It has 2 3.0 ssusb. Options?

How many inputs or outputs do you need? Magewell makes quality USB 3.0 capture dongles, with HDMI or SDI (one input per unit). Depending on your needs, perhaps NDI might be an option - NDI from Newtek is a FREE way to get IP video over your network, for instance video from one computer to another, or send gaming video out over network to another computer running OBS or something.

Does anyone know how to get 1080p to work into Vmix? Every other format works in vmix but 1080p does not work.

Once installed you will need to get the black magic drivers installed as well and run the software once. From there in vmix you will need to make sure your project file is set correctly to 1080p 30 frames or 60 depending on recording or stream and your internet speed. Once that is set you can add a camera source on from the list. If done correctly you should see them listed as Decklink Duo 1, 2, 3, or 4. Make sure wen you are adding your source that it reads the cameras output correctly. It is super important that the camera and the project file match or higher then what the camera is outputting to the sdi or it will give you problems. Another tip I can give you to test the camera is to use the black magic software to preview the camera output to gather your settings.

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Blackmagic Design DeckLink Duo 2 4ch SDI Playback and Capture Card BMD-BDLKDUO2

Blackmagic Design DeckLink Duo 2 4ch SDI Playback and Capture Card BMD-BDLKDUO2

Product ID: 254567597

Details

Brand
Blackmagic
Hardware interface
PCI Express x1
Operating system
Linux
Recommended uses for product
Video
Video capture resolution
1080p

⚡Gen 2 PCIe 4-lane high bandwidth

💾4 independent SDI channels

🔄Simultaneous capture & playback

₪3091

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Description

🎥 Elevate your video production game with pro-grade multi-channel capture & playback!

COMPACT PRO DESIGN - Fits into a single PCI slot, maximizing workstation expandability
NEXT GEN PC IE SPEED - High-performance Gen 2 PCI Express x4 interface for ultra-low latency
QUAD SDI POWERHOUSE - Four configurable SDI inputs/outputs for ultimate multi-camera workflows
SEAMLESS DUAL ACTION - Capture and playback video streams simultaneously without compromise
CROSS PLATFORM FLEXIBILITY - Native support for Mac, Windows, and Linux ensures workflow freedom

The Blackmagic Design DeckLink Duo 2 is a professional 4-channel SDI capture and playback card featuring a high-speed Gen 2 PCI Express x4 interface. Designed for demanding broadcast and live event environments, it supports simultaneous capture and playback with four independent SDI connections, all within a single PCI slot. Compatible across Mac, Windows, and Linux platforms, it delivers ultra-low latency and robust performance for 1080p60 workflows, making it a top choice for professional video production and streaming setups.

Specifications

ASIN	B01EKGTZ8C
AV Output	SDI
Antenna Location	Video Recording
Best Sellers Rank	#45,341 in Computers ( See Top 100 in Computers ) #56 in Internal TV Tuner & Video Capture Cards
Brand	Blackmagic Design
Built-In Media	AV Adapter, TF Card Reader
Compatible Devices	Windows and Linux systems
Customer Reviews	4.8 out of 5 stars 246 Reviews
Global Trade Identification Number	09338716003796
Hardware Interface	PCI Express x1
Hardware interface	PCI Express x1
Item Dimensions	15.2 x 15.2 x 15.2 centimeters
Item Type Name	computer-internal-tv-tuner-and-video-capture-cards
Item Weight	5.3 Ounces
Manufacturer	Blackmagic Design
Mfr Part Number	003796
Minimum System Requirements	PCIe x1 slot, Linux operating system
Model Name	Blackmagic Design DeckLink Duo2
Model Number	003796
Operating System	Linux
Operating system	Linux
Other Special Features of the Product	Four independent and configurable SDI interfaces; Simultaneous capture and playback
Platform	Linux
Recommended uses for product	Video Recording
Special features	Four independent and configurable SDI interfaces; Simultaneous capture and playback
Tuner Type	DVB-T
UPC	750408404893
Unit Count	1 Count
Video Capture Resolution	1080p
Video capture resolution	1080p

Reviews

E**)

Working perfectly

Currently working without problems, in uncontrolled environments and remains stable, it supports 4 video inputs / cameras at 1920x1080 at 60Hz, easy to configure and manage, the drivers are very simple to locate on their official page. Compatible with the main streaming video programs such as OBS, Wirecast, vMIX, I have tested each of them and the result has been satisfactory that we are already on the 3rd team assembled with this card. The price I consider accessible given the versatility and quality of this capturing, obviously not intended for enthusiasts or youtubers, but for event capture. I remain at your service in case you have any questions about this product, as an assembler of professional equipment, maybe I have already faced the dilemmas and problems that you can face and have the answer, so ... Ask! #eltecnologoem

21.11.2018

S**E

Benutzung für Key/Fill Ausgang

Die günstigste Gelegenheit einen HD Fill/Key Ausgang für den Broadcast-Betrieb zu haben.

19.12.2025

M**.

Parfait pour streaming live

Nickel pour live sur OBS avec 3 cameras gh5 / G9 et XT3

12.08.2019

A**M

La calidad de blackmagic

Funciona como corresponde, facil de instalar, de lo único que me arrepiento es de no haber comprado la 8k

20.04.2024

M**7

Tutto perfetto venditore super

Tutto ok venditore super consigliato!

19.03.2025

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₪3091

Duties & taxes included

In stock

Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Israel.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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