Article ID: 002020051 Last Update: 2019-08-13
Applies to: USB Capture Gen 1 Family , USB Capture Gen 2 Family , USB Capture Plus Family
What is the latency of USB Capture (Plus) device?
Please refer to this article: USB Capture Latency Test.
Which software can record 4K videos that are captured by USB Capture HDMI 4K Plus?
Magewell Capture Express, VMix, OBS, XSplit Broadcaster, Meridix Broadcast Producer, etc., support 4K video recording.
Can't capture audio when USB Capture HDMI Gen2 is used via the USB 3.0 expansion card of a VIA chip
It is recommended to update the VIA chip driver to version 4.90A or above.
My computer does not have a USB 3.0 port. How can I use the USB Capture (Plus) device?
It is recommended that you purchase a USB type C to USB 3.0 adapter.
Is USB Capture (Plus) compatible with USB 2.0?
Yes. But the limited transmission bandwidth of USB 2.0 cannot guarantee the transmission of high frame rate or high resolution signal.
Can multiple USB Capture (Plus) devices be connected on one computer?
Yes. To ensure that the bandwidth won't be affected, make sure each USB capture device can be connected to an independent USB 3.0 Extensible Host Controller. You can check whether your computer has multiple independent USB 3.0 Extensible Host Controllers in Device Management.
Do USB Capture (Plus) devices support using a phone or tablet as a source?
Yes. Apple devices can use Lightning to HDMI cables to output screen signals. Android devices can use MHL adapters to output screen signals.
When the computer connects with multiple USB Capture (Plus) devices, how are the devices sorted in the system?
Devices are sorted by the time they are loaded by the system.
Does the 3.5mm Jack interface on USB Capture HDMI (4K) Plus support Line Input?
This interface can only be used to capture microphone audio. The level of the Line In audio is at least 50dB above that of the microphone audio. Misuse may cause damage to the hardware components of your capture device.
What is the maximum frame rate when capturing 4K video using USB Capture HDMI 4K Plus?
USB Capture HDMI 4K Plus supports 4Kp60 video input. However, limited by the bandwidth of USB 3.0, the maximum frame rate can only reach 30 fps when capturing 4K video in NV12 color format.
What's the meaning of different statuses of indicator light?
Please refer to this article: Status of the Indicator Light on USB Capture (Plus) device.
Which brand of chipset is compatible with USB Capture (Plus) devices?
USB Capture (Plus) devices are compatible with chipsets from Intel, Renesas, ASMedia and Fresco Logic.
Only one audio channel can be found when I use a capture device that supports multiple audio channels on the macOS 10.13.1 system
Please upgrade your system to macOS 10.13.2 and above.
The captured 4K NV12/I420 video has ghosting problem
Please update your firmware to the latest version.
Will the capture quality and product life of device be affected by high working temperature?
The housing temperature of Magewell USB capture device may be higher because of its metal shell and special cooling design. As long as the operating ambient temperature is between 0 to 50 ℃, it won't affect the capture quality and product life.