Stream Support and Desktop Audio – Due to the nature of rebroadcasting desktop audio, a delay of up to 3-4 seconds may be apparent on your stream. As always, we heavily recommend streaming from the source rather than attempting re-broadcast.
Four Core Hardware and Software Requirements
Before continuing with this guide, you must download and install the following in this order:
Mozilla Firefox
VB-Cable
OBS Studio
You must also have two devices, one for broadcasting the stream, and the other for Clerking.
Mozilla Firefox
Firefox is a popular internet browser in the same vein as Google Chrome and Apple Safari. We require it for this tutorial as Firefox streamlines different source selection when setting up your livestream in the Webtron Dashboard.
When choosing a version to download, click the first orange hyperlink next to “New Package”:
Once it has finished downloading, right-click the zip file in your Downloads folder and click Extract All, then ensure “Show extracted files when complete” is ticked, and click Extract
A new File Explorer window will open once it has finished unzipping your file, double-click the file labelled “VBCABLE_Setup_x64“:
After the Windows Admin prompt appears, click Allow, then click Install Driver once the VB-Audio Virtual Cable window appears:
It may take up to 3 minutes for VB-Cable to install, once it completes you will see this confirmation window:
Click OK and then restart your computer.
OBS Studio
OBS Studio is a popular open-source media application that allows you to capture your screen and livestream it to various platforms, we’ll be using it’s Virtual Camera feature.
The OBS website will automatically choose the right OS version, click the blue Download Installer button to download OBS.
Follow the Windows prompts to install OBS, ensure Launch OBS is ticked before clicking Finish. When OBS opens for the first time, the Configuration Wizard will automatically appear, tick the “I will only be using the virtual camera” checkbox, then click Next.
You’ll see a confirmation screen displaying your Stream settings, we do not recommend changing these settings as they are tailored to your hardware and our streaming upper resolution limit of 1080p. Click Apply Settings.
Step 1 – Setting up your Re-Stream Audio
Now that you have Firefox, VB-Cable and OBS installed, open your Windows Sound Settings by right-clicking the Speaker icon at the bottom-right of your screen:
Once your Sound Settings window opens, under Output, tick CABLE-Input. Under Input, tick CABLE Output.
Your Desktop Audio is now set as your Audio Source.
Step 2 – Open your Re-Broadcast Source
Open Firefox and navigate to the page containing the livestream you will be re-broadcasting, once open ensure their stream is unmuted, then open OBS.
Once OBS is open, click the + sign under the Sources section and choose Window Capture, then click Ok
Once you click Ok, configure your Window Capture with the following settings:
Choose your Firefox window from the Window dropdown
Leave Capture Method set to Automatic
Untick Capture Audio and Capture Cursor
Click Ok
Once your Window appears in the Capture Preview area, click the red square corners and drag to resize your capture.
Visibility Warning – Only the parts of the Window visible in the Capture Preview will be visible on your Livestream, move the Capture Preview up and down and resize as needed to ensure your Bidders have the clearest view of the re-broadcast.
Once you’ve resized the Capture Preview, click the Start Virtual Camera button at the bottom-right of the OBS window, then open a new Firefox window.
Step 3 – Publish your Stream in the Webtron Dashboard via Firefox
Once you’ve opened a new Firefox window, navigate to the Webtron Dashboard and open the Webcast Clerking Console. Under the Settings tab, configure your Live Feed as normal:
Feed Provider – WebRTC (HTML5 Streaming)
Feed Type – Video
Click Send and then click Start Publishing
After clicking Start Publishing, Firefox will prompt you to pick your Camera and Microphone Sources:
Camera – Click the dropdown and select OBS Virtual Camera from the list
Microphone – Click the dropdown and select CABLE Output from the list
Ensure “Remember for all cameras and microphones” is unticked, then click the blue Allow button
A preview of your stream will now load in place of the Start Publishing button, float your mouse over the preview and click the Speaker icon to mute the preview and prevent any audio double-up and feedback:
Step 4 – Switch back to the Stream Source window
Due to hardware and software limitations, the video and audio of your re-broadcast may freeze if you do not keep the source window open. Switch back to the Firefox window you are using as your Stream Source or switch back to OBS to monitor your stream for any freezing.
Copyrighted Content – Vonage’s Video API employs visual copyrighted material detection, do not attempt to re-broadcast a stream or copyrighted material without explicit permission from the source. Your stream may be disabled if the Vonage Video API detects broadcast of copyrighted material.
Re-Streaming Desktop Video and Audio
Stream Support and Desktop Audio – Due to the nature of rebroadcasting desktop audio, a delay of up to 3-4 seconds may be apparent on your stream. As always, we heavily recommend streaming from the source rather than attempting re-broadcast.
Four Core Hardware and Software Requirements
Before continuing with this guide, you must download and install the following in this order:
You must also have two devices, one for broadcasting the stream, and the other for Clerking.
Mozilla Firefox
Firefox is a popular internet browser in the same vein as Google Chrome and Apple Safari. We require it for this tutorial as Firefox streamlines different source selection when setting up your livestream in the Webtron Dashboard.
VB-Cable
VB-Cable is a specialist audio driver that enables you to capture Desktop Audio and use it as a microphone source for streaming.
When choosing a version to download, click the first orange hyperlink next to “New Package”:
Once it has finished downloading, right-click the zip file in your Downloads folder and click Extract All, then ensure “Show extracted files when complete” is ticked, and click Extract
A new File Explorer window will open once it has finished unzipping your file, double-click the file labelled “VBCABLE_Setup_x64“:
After the Windows Admin prompt appears, click Allow, then click Install Driver once the VB-Audio Virtual Cable window appears:
It may take up to 3 minutes for VB-Cable to install, once it completes you will see this confirmation window:
Click OK and then restart your computer.
OBS Studio
OBS Studio is a popular open-source media application that allows you to capture your screen and livestream it to various platforms, we’ll be using it’s Virtual Camera feature.
The OBS website will automatically choose the right OS version, click the blue Download Installer button to download OBS.
Follow the Windows prompts to install OBS, ensure Launch OBS is ticked before clicking Finish. When OBS opens for the first time, the Configuration Wizard will automatically appear, tick the “I will only be using the virtual camera” checkbox, then click Next.
You’ll see a confirmation screen displaying your Stream settings, we do not recommend changing these settings as they are tailored to your hardware and our streaming upper resolution limit of 1080p. Click Apply Settings.
Step 1 – Setting up your Re-Stream Audio
Now that you have Firefox, VB-Cable and OBS installed, open your Windows Sound Settings by right-clicking the Speaker icon at the bottom-right of your screen:
Once your Sound Settings window opens, under Output, tick CABLE-Input. Under Input, tick CABLE Output.
Your Desktop Audio is now set as your Audio Source.
Step 2 – Open your Re-Broadcast Source
Open Firefox and navigate to the page containing the livestream you will be re-broadcasting, once open ensure their stream is unmuted, then open OBS.
Once OBS is open, click the + sign under the Sources section and choose Window Capture, then click Ok
Once you click Ok, configure your Window Capture with the following settings:
Once your Window appears in the Capture Preview area, click the red square corners and drag to resize your capture.
Visibility Warning – Only the parts of the Window visible in the Capture Preview will be visible on your Livestream, move the Capture Preview up and down and resize as needed to ensure your Bidders have the clearest view of the re-broadcast.
Once you’ve resized the Capture Preview, click the Start Virtual Camera button at the bottom-right of the OBS window, then open a new Firefox window.
Step 3 – Publish your Stream in the Webtron Dashboard via Firefox
Once you’ve opened a new Firefox window, navigate to the Webtron Dashboard and open the Webcast Clerking Console. Under the Settings tab, configure your Live Feed as normal:
Click Send and then click Start Publishing
After clicking Start Publishing, Firefox will prompt you to pick your Camera and Microphone Sources:
Ensure “Remember for all cameras and microphones” is unticked, then click the blue Allow button
A preview of your stream will now load in place of the Start Publishing button, float your mouse over the preview and click the Speaker icon to mute the preview and prevent any audio double-up and feedback:
Step 4 – Switch back to the Stream Source window
Due to hardware and software limitations, the video and audio of your re-broadcast may freeze if you do not keep the source window open. Switch back to the Firefox window you are using as your Stream Source or switch back to OBS to monitor your stream for any freezing.
Copyrighted Content – Vonage’s Video API employs visual copyrighted material detection, do not attempt to re-broadcast a stream or copyrighted material without explicit permission from the source. Your stream may be disabled if the Vonage Video API detects broadcast of copyrighted material.