About: "I wonder if other species would look at our images or listen to our sounds and register with horror all the gaping holes everywhere.", yes.
In particular, dogs:
> While people have an image frame rate of around 15-20 images per second to make moving pictures appear seamless, canine vision means that dogs need a frame rate of about 70 images per second to perceive a moving image clearly.
> This means that for most of television’s existence – when they are powered by catheode ray tubes – dogs couldn’t recognize themselves reliably on a TV screen, meaning your pups mostly missed out on Wishbone, Eddie from Fraisier and Full House’s Comet.
> With new HDTVs, however, it’s possible that they can recognize other dogs onscreen.
In particular, dogs:
> While people have an image frame rate of around 15-20 images per second to make moving pictures appear seamless, canine vision means that dogs need a frame rate of about 70 images per second to perceive a moving image clearly.
> This means that for most of television’s existence – when they are powered by catheode ray tubes – dogs couldn’t recognize themselves reliably on a TV screen, meaning your pups mostly missed out on Wishbone, Eddie from Fraisier and Full House’s Comet.
> With new HDTVs, however, it’s possible that they can recognize other dogs onscreen.
Source: https://dogoday.com/2018/08/30/dog-vision-can-allow-recogniz...