From Around the Web: 20 Awesome Photos of synthetic dataset
http://jaredecfb022.fotosdefrases.com/how-successful-people-make-the-most-of-their-free-dataset
Given that HDMI is really a digital sign, it can't be degraded Significantly before the image and audio will not be for a longer time decipherable. On analog signals, you may get quite a bit of degradation in advance