We 4k video Bitrates to 100 1080 Mbps and even to 200p Mbps(Lumix GH4)
and cameras have 36, 42 50 megapixel or(D810, A7R, 5Ds).
In addition to being efficient with Bitrates, these codecs also made it easier to identify
more important parts of the audio, allowing the air interface layer to prioritize and better protect these parts of the signal.