Can you see a difference between 2K @ 60 and 4K @ 60 on 70" display 9 feet away? Best Regards, Mike Tsinberg http://keydigital.com<http://keydigital.com/> On Oct 19, 2012, at 7:51 PM, "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx<mailto:albert.e.manfredi@xxxxxxxxxx>> wrote: Olivier Houot wrote: http://itersnews.com/?p=12332 An 8 Mhz DVB-T2 channel could accomodate two, perhaps three such broadcasts. But i think i'd rather have High Frame Rate 2K. I believe this HEVC is H.265. If we are to believe the news hype literally, then H.264 cuts H.262 (MEPG-2 compression) bit rate requirements down by half, and H.265 cuts H.264 bit rate by half once again. So, if we are to believe this is literally the case, it stands to reason that a network link that can transmit a 2 Mpel 60 fps image, using H.262, should be capable of transmitting a 8 Mpel 60 fps image without increasing link capacity. These days, MPEG-2 compression has become capable of cramming 720p (1 Mpel) into 10 Mb/s or less, judging by how some broadcasters are formatting their multiplexes, or two 720p HD streams in a 6 MHz ATSC channel. What they call 4K is actually 3840 X 2160, or 8.3 Mpel. So, yes, just doing the numbers, HEVC over a 20 Mb/s channel should be a doable do. And similar benefits to improve image quality over the Internet, without requiring more bandwidth. Funny how that worked out. Used to be that UHDTV seemed impossible to do in practice, over DTT. Maybe not. Bert ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org<http://FreeLists.org> - By sending a message to: opendtv-request@xxxxxxxxxxxxx<mailto:opendtv-request@xxxxxxxxxxxxx> with the word unsubscribe in the subject line.