coverstory_cover story 30/08/2013 12:13 Page 6
“It may be possible to relaunch 3D to the viewing public.” IAN TROW, HARMONIC
critical-mass Ultra-HD. “Interestingly, much television and virtually all cinema production is handled in 4K, so those masters exist. But the mezzanine versions intended for television viewing are rescaled to 2K and are often at a frame rate of 24 frames per second which is not ideal for television delivery. Broadcasters need a ready supply of 4K content to both stoke and feed consumer demand. Apart from studio releases for home theatre and limited premium sports content, 4K is pretty scarce, although there are some pioneers,” he notes. TRANSITION. Envivio's Felts says that from a consumer perspective, the lack of clear consumer standards might discourage early adopters. “During the transition from SD CRT to HD flat screens, there was a profusion of 'HD-ready', 'HDcapable' screens which were not all capable of displaying any type of HD content. The UltraHD technical spec refers to a wide range of capabilities, from 4K@24fps to 8K@120fps. It is possible we might face the same confusion, with a real danger of consumer frustration, if there is no clear consumer standard,” he warns. “Content, compression and standardisation are critical factors for mass-market take-up,” states Eutelsat's Chabrol. “HEVC is generally considered by the industry to be one of the key elements towards wide deployment of 4K broadcasting. The HEVC compression standard includes profiles c ???????????????????,????????????????????????????q]??????????????????U????!??????????????????!Y ? ???????????????????????????????t?MQY?A1U9-QP??I? ?5%()????????????????????????????????????????????????????????????5A ??Y ??!Y ?????????????????????????????,??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????t???????????q ??????????????Q ?????????????????????????????????????????????Y?L?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????!Y ?????????????????????????????????????????????????????????????????????????????????????????????()???????????????????????????????????????????????]???!Y ???????????????????Y?L???????????????????????????????????????????U????!??,????????????????????????????????????????5!?????????????Q????????????????????????????????????????????????????????????5A ?!?????????????????????????????????????????????????????????????????????????????????????????????????????t?????????II????????????Q???U????!????????????????????????????Y=??????????????????????qQ??????????????QX???????????????????????????????????????????????????????????????????!?????????????????????????????????????????????U????!?????????????????????????U????!???????????????????????????????????????U????!?????????????????????!?????????????????????????U????!???????Q????????????????????????????????????????????????????????????????????????!??????????????????U???!????????????????????????????????????????????
????????????????????????????????!???U????!?????????????????????????????????????????????()???????????$??????????????????????????????????
L???????5????????????????????????????????????????????????????????????????????????????????????t?A???????????????????????e????????????????????q?????????????????????????????????????????????????????????U!?????????????????e??????????????????t?=???????????????????????????????????????????????????????????????????????????????????????????????????????????????????q]???????????????????????????????????????????????????????????????????????????????????????????????????????????e????????????????????Q???????????????????????????????????????????????????????????????????????????????????e????????????????????????????????????????????????5??????????????????????????????????????????????????????????????????????????????????,???????????????????????????????????????QX????????????????????????????????????????????????????t???????????q9?????????????????????????????,????????????????????Q???????????????????????????????????????????M????????????????????????????????????????????????,??M???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????=???????????????????????????????????????????????????]??????????????????????????????????M???!?????????????????????????????????????M?????????????????????]????????????????????M??????????????????????????!??????????%??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????t(+?q ?????????????,??????????????????????????????????t?AQH?=MQA%U%,??%9Q1MP((??UI=5%((0