Apple Vision Pro reuses the Vision branding of its 90s CRT displays. A Q&A page for one is still up:
Macintosh computers only have one sound-in port. The AudioVision sound-in port, however, gives you an easy way of swapping between two inputs. For example, you may want to digitize music from a CD player, but when the phone rings you want to use AudioVision as a hands-free speakerphone.