AV.io 4K User Guide
Troubleshooting
Troubleshooting
Use the follow table for help if you are experiencing problems or unexpected behavior from your AV.io 4K.
Affecting all operating systems
Symptom(s)
Action(s) to resolve
Frame rates lower than 30 fps at 4K resolutions
1) Optimize performance by using an Intel USB
host controller.
2) Use your application to change the color space
you are using. At 4K resolutions, NV12 and I420
(4:2:0) are available at 15, 23.97, 24, 25, 29.97, or
30 fps, and YUY2 (4:2:2) is available at 5, 10, 15, or
20 fps.
Affecting Windows
Symptom(s)
Action(s) to resolve
Incorrect input resolutions detected
If using
Windows 8.1 or 10
with
VLC Media
Player 2.2.1
, downgrade to an earlier version of
VLC or use a different capture application, such as
Adobe FMLE.
Not able to capture UHD resolutions at 30 fps when
using VLC
VLC does not support the NV12 (4:2:0)
colorspace. 4K must be captured in either the
YUY2 (4:2:2) colorspace, which will reduce the
frame rate to 20 fps, or I420 (4:2:0) which will
allow you to capture at speeds of up to 30 fps.
Captured video file displays black screen when
opened.
If capturing on
Windows 8.1
using
Windows
Movie Maker
with your AV.io 4K connected to an
Etron EJ188H USB 3.0/2/0 host controller
,
switch to a different capture application, connect
to a different USB port, or upgrade to Windows
10.
Firmware update fails
If updating on a computer running Windows
8.1
or 10
with your AV.io 4K connected to an
Etron
32
Содержание AV.io 4K
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