hn • r/hackernews
Comment on: A dock that wakes up reliably
> That's it, no handshake, no negotiation.The thing is, the old protocols all have their limitations.Analog audio - unless it's balanced - is highly vulnerable to all sorts of external interference. S/PDIF is normally two channels of PCM audio (that's decently easy), but it can carry up to 8 channels of variously compressed audio and not every sink or source supports all possible codecs (thanks to software patent licensing BS). In either case, 48 kHz sample rate and 20 bits precision are the fundamental limits.For video... analog maps well to CRT displays but reconstructing signals from analog