Originally Posted by mikeny
This is good news. All these negative PQ posts are making me question my scheduled move from D* to V* in May. Maybe you're on to something here. Maybe there is some PQ loss going from the DVR to the TV as you're not seeing it from your Cable Card source as others are reporting?
While waiting several years for FIOS here (midtown Manhattan) for my mid-Jan triple-play install, also wondered about mediocre PQ comments in the NYC-Verizon local-HD thread. Ran a "PQ" search and commented
recently about the results. Guess that was mostly cable systems versus FIOS, not D*, through.
Perhaps these mixed PQ comments (pixel block breakups with motion/details) involve statistical multiplexing
(variable bitrates and timings between channels to maximize bandwidth use, with MPEG-4 distribution not discussed in the '04 link), either on uplinks/downlinks or cable-system/FIOS head ends. Seems like rapid motion with detailed images developing at the same time among statmuxed channels might overwhelm the hardware--even with the 'look-ahead' data-timing delays introduced years ago to help minimize this. Or, if still heavily used, maybe the head end in the sky
(a '06 description) needs an upgrade.
Guess I'll have a few weeks to A-B my current TWC hookup and FIOS, which might point to a source problem instead of head ends; (if both show pixel breakups with detail/motion.) -- John