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Video operations
Outputting video/audio to a computer for streaming
Here's how the video and audio mixed by the VR-400UHD can be output to a connected computer. You can also input audio that's played back by
the computer. By using an internet-connected computer with streaming software, you can distribute content as a live internet stream.
* In order for the audio and video from this unit to be correctly viewed on the computer, software that supports the USB video class and USB
audio class must be installed on the computer.
* For the latest operating requirements, refer to the Roland website (https://proav.roland.com/).
Outputting Video and Audio to the Computer
Your computer and USB cable must be compatible with the following
specifications in order to output video.
¹ USB 3.2 Gen 1/5 Gbps (USB 3.1 Gen 1, USB 3.0)
¹ USB 3.2 Gen 2/10 Gbps (USB 3.1 Gen 2)
USB standard
Output resolution
USB 2.0
Video cannot be output. Only audio is output.
USB 3.2 Gen 1/5 Gbps 960 x 540, 1280 x 720, 1920 x 1080
960 x 540, 1280 x 720, 1920 x 1080
USB 3.2 Gen 2/10 Gbps
1920 x 1080, 2560 x 1440, 3840 x 2160
* The first time that the VR-400UHD is connected to the computer, the
standard drivers of the operating system are installed automatically.
* If you connect via an extension cable or a USB hub, the computer
might not recognize the VR-400UHD.
1.
Turn on the VR-400UHD and your computer.
2.
Using a USB cable, connect a USB port on the computer
to the 4K STREAMING port on the VR-400UHD.
When communication with the computer has been established,
the computer recognizes the VR-400UHD as a USB video device
and USB audio device.
3.
Operate the VR-400UHD to output video/audio to your
computer.
4.
On your computer, verify the input from the VR-400UHD.
Start software that supports the USB video class and audio class,
and verify the video and audio that are being input from the
VR-400UHD.
5.
Operate the VR-400UHD to make settings for the video/
audio that will be output via USB.
Video settings
1
From the [SETUP] button, touch <USB> in the <Video> tab.
2
Touch the parameters to edit their settings.
* For details on the parameters, refer to "Video Output Setup
screen" (p. 36).
18
Audio settings
Touch USB <SETUP> in AUDIO OUTPUT on the audio mixer
1
screen (p. 20).
2
Touch the parameters to edit their settings.
* For details on the parameters, refer to "Audio Output Setup
screen" (p. 44).
¹
To send audio to the USB bus:
AUX/USB/REVERB SEND screen (p. 21).
¹
To change the USB output volume:
Checking the USB connection status
You can check the USB connection status from the Video Output
Ó
Setup screen ([SETUP] button
When the connection is established, the "Connection" area indicates the
current status (USB3.2 GEN1 or USB3.2 GEN2).
If this indicates "None", a connection is not established.
If you have these problems
Operation is unstable, such as if a connection cannot be
established, or the video is disordered
Touch <Connection Reset> and try reconnecting the VR-400UHD to
your computer.
The "Dropped Frames" number is increasing
Normally this indicates "0". If the number is increasing, video
transmission is not fast enough.
Either use "Resolution" to lower the output resolution, or use "Frame
Rate" to lower the frame rate.
Using the loopback function
Audio from the computer can be input to the VR-400UHD via USB,
mixed with other audio, and returned to the computer (the loopback
function).
You can add a narration to music that's played back from your
computer and live-stream it, or record it using app on your computer.
set this in "USB SEND" on the PAN/
adjust the [USB] knob.
Ó
<Video> tab
<USB>).
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