USB Video Capture - Bring 4K SDI signal into software

Specifications and Features

Interface

Input Interface & Loop-through Interface

One SD/HD/3G/2K/6G SDI input + embedded audio
One SDI loop-through
Support input & loop-through resolution up to 4096×2160 pixels

Audio Input/Output Interface

3.5mm audio jack for Line In/ Line Out

Host Interface

USB 3.0, compatible with USB 2.0

OS

Windows, Linux, Mac, Chrome OS

Capture Format

Support capture resolutions up to 3840x2160p 30fps or 1920x1080p90
Capture 2-channel embedded audio or analog audio via 3.5mm unbalanced Line In interface
Capture SDI signals transmitted a long distance away: up to 150m for 3G-SDI signals, 75m for 6G-SDI signals

Actual frame rate can be limited by the host and resolution

Included Software

USB Capture Utility, Capture Express, etc.

Compatible Software

Zoom Rooms, Microsoft Teams Rooms, Skype for Business, Google Hangouts, GoToMeeting, VLC, OBS Studio, XSplit, etc.

Others

Auto detection of input signal format
Windows, Linux and Mac SDK
Continuously work for 24hx7
LED status indicator
3-year warranty

Full specifications and features

Firmware

Download

2607

History version

10.3 MB | 07/24/2026

Descriptions:

Apply to: USB Capture HDMI Gen2 Rev D, USB Capture SDI Gen2 Rev B, USB Capture AIO Rev B, USB Capture HDMI Plus Rev C, USB Capture SDI Plus Rev B, USB Capture DVI Plus Rev B, USB Capture HDMI 4K Plus Rev C, USB Capture SDI 4K Plus Rev C

Fixed the issue where Instance ID changes could cause capture software to require reconfiguration of the capture device after PC restart.
Adapted for Zoom Rooms.

Apply to: USB Capture HDMI 4K Pro, USB Capture SDI 4K Pro

Fixed the issue of fixed USB video capture video stuttering.
Fixed the issue of fixed USB video capture frame drop issues.
Fixed HDMI loop-out compatibility issues.
Adapted for Zoom Rooms.

Tools

* USB Capture Utility is a software tool for USB Capture devices.

Download

V3.0.5.48315

History version

13.1 MB | 09/03/2024

Descriptions:

Support customizing device name, audio control for USB Capture HDMI Gen 2 Rev D/USB Capture HDMI Plus Rev C/USB Capture AIO Rev B/USB Capture DVI Plus Rev B/USB Capture SDI 4K Plus Rev C/USB Capture SDI Plus Rev B/USB Capture SDI Gen 2 Rev B (The firmware must be upgraded to V2.6.10385 and above).
Support customizing device name, audio control and viewing core temperature for for USB Capture HDMI 4K Plus Rev C (The firmware must be upgraded to V2.6.10385 and above).
Support for USB Capture HDMI 4K Pro.
Fix known issues.

* USB Capture Utility is a software tool for USB Capture devices.

Download

V3.0.5.48315

History version

12.9 MB | 09/03/2024

Descriptions:

Support customizing device name, audio control for USB Capture HDMI Gen 2 Rev D/USB Capture HDMI Plus Rev C/USB Capture AIO Rev B/USB Capture DVI Plus Rev B/USB Capture SDI 4K Plus Rev C/USB Capture SDI Plus Rev B/USB Capture SDI Gen 2 Rev B (The firmware must be upgraded to V2.6.10385 and above).
Support customizing device name, audio control and viewing core temperature for for USB Capture HDMI 4K Plus Rev C (The firmware must be upgraded to V2.6.10385 and above).
Support for USB Capture HDMI 4K Pro.
Fix known issues.

* USB Capture Utility is a software tool for USB Capture devices.

Download

V3.0.5.48315

History version

15.5 MB | 09/03/2024

Descriptions:

Support customizing device name, audio control for USB Capture HDMI Gen 2 Rev D/USB Capture HDMI Plus Rev C/USB Capture AIO Rev B/USB Capture DVI Plus Rev B/USB Capture SDI 4K Plus Rev C/USB Capture SDI Plus Rev B/USB Capture SDI Gen 2 Rev B (The firmware must be upgraded to V2.6.10385 and above).
Support customizing device name, audio control and viewing core temperature for for USB Capture HDMI 4K Plus Rev C (The firmware must be upgraded to V2.6.10385 and above).
Support for USB Capture HDMI 4K Pro.
Fix known issues.

* USB Capture Utility is a software tool for USB Capture devices.

Download

V3.0.5.59377

History version

20.1 MB | 08/27/2025

Descriptions:

The Volume page supports USB Capture SDI 4K Pro.
Update the image of USB Capture SDI 4K Pro in the Info page.
Fix the issue where the audio volume adjustment value is inaccurate.
Add some log information.
Optimize functions related to upgrades.
Add configurable delay for showing no signal status when input signal is disconnected.
Optimize the scaling phenomenon that occurs when moving the app during dual-screen display.
Change the default file name for EDID export.
Fix the issue where the save does not take effect after changing the default resolution.
Change the online upgrade to local upgrade.