When the computer is set to use VB Cable Input as the sound card, you will not hear audio come out of the computer speakers. Under the Playback tab, find the entry called “CABLE Input,” right click on it and choose “Set as Default Device.” A green checkmark will appear next to this entry. You can do this by right clicking on the speaker icon found in the tray by the bottom right corner of the screen. You are going to set your computer’s default playback device to the “CABLE Input.” This will route all audio to this sound card.
#Audio loopback install
Install the software on the iVGA Pro computer using the default settings. System Setupįirst, download the VB Cable software here. This solution uses no cable (so it can’t be accidentally unplugged) and it doesn’t use any of the physical ports on your computer, which also means that you stay digital though the entire process. Anything that is sent to the VB Cable Input device will automatically be received by the VB Cable Output device. microphone) that are “connected” inside the computer.
#Audio loopback driver
Not all systems will work with this setup.ģ) One option that can work for almost any system is to use VB Cable, a software driver you install on your computer that adds a playback device (i.e.
#Audio loopback Patch
There are several ways to solve this:ġ) If you have a system in which you can replace the audio card, buy a card that has this feature.Ģ) If your system offers separate outputs and inputs for audio, you may be able to use audio patch cables to route outputs back to the inputs. However, many audio cards do not offer this feature. If your computer has this device then you might not need anything else. Some audio cards have this feature, usually called “Stereo Mix” or “What U Hear,” that shows up in your recording devices. However, for this ability to work, the audio card on your system needs to support a feature called “audio loopback.” This is where the sound from your computer is sent back into itself as a recording device. What can be even more useful is the ability to play a clip on your computer along with the audio, effectively turning your computer into another DDR. This can allow you to use the webcam and microphone on your laptop as another input into a TriCaster system.
One of iVGA Pro’s features is the ability to capture audio from a recording device on your computer and send it over Ethernet along with the video. If you are not familiar with using iVGA Pro with your TriCaster, you might want to take a few minutes to watch the training video for using iVGA with TriCaster 40 – the same steps would apply to other TriCaster models. IVGA and iVGA Pro are examples of the IP workflow offered in NewTek video production products for many years now both enable a networked computer (Mac or Windows) to act as an input source for a TriCaster on the same LAN.
This content by Kane Peterson, sourced from the following Tip Jar article was originally written about iVGA Pro, but it also applies to NDI Scan Converter: On some PCs, no audio source is available on NDI Scan Converter or iVGA Pro
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