Comments on: ATSC Begins Work On Broadcast 3D TV Standard http://www.gizmolovers.com/2011/08/16/atsc-begins-work-on-broadcast-3d-tv-standard/ TiVo, Slingbox, Android, Blu-ray Disc, and whatever other tech I feel like blogging about... Fri, 18 Sep 2020 20:50:00 +0000 hourly 1 http://wordpress.org/?v=3.1.4 By: MegaZonehttp://www.gizmolovers.com/2011/08/16/atsc-begins-work-on-broadcast-3d-tv-standard/comment-page-1/#comment-27847 MegaZone Wed, 17 Aug 2011 05:40:00 +0000 http://www.gizmolovers.com/?p=4421#comment-27847 4K is coming yes - to displays.  Content is another story.  I expect the BDA to come out with a 4K Blu-ray spec - probably mandating a much higher bitrate and using the higher density discs.  Something like a 6x minimum speed, so 216Mbps, and 200GB.  That'd make sense as Blu-ray is 1.5x/54Mbps and 50GB today, so quadrupling it for 4K would yield the same kind of bits per pixel capability.But 4K won't be coming to broadcast any time soon.  Not unless the next major jump in video compression becomes available and is at least twice as good as H.264.  Trying to cram 4K into a 6MHz broadcast channel just isn't going to happen.  Not at any decent compression level.  And I don't see broadcasters wanting to do anything like use two frequencies for one channel.Cable may support 4K as premium channels, very likely OnDemand only, as it is easier for them to devote a couple of QAM channels - or just deliver the video as IPTV data. 4K is coming yes – to displays.  Content is another story.  I expect the BDA to come out with a 4K Blu-ray spec – probably mandating a much higher bitrate and using the higher density discs.  Something like a 6x minimum speed, so 216Mbps, and 200GB.  That’d make sense as Blu-ray is 1.5x/54Mbps and 50GB today, so quadrupling it for 4K would yield the same kind of bits per pixel capability.

But 4K won’t be coming to broadcast any time soon.  Not unless the next major jump in video compression becomes available and is at least twice as good as H.264.  Trying to cram 4K into a 6MHz broadcast channel just isn’t going to happen.  Not at any decent compression level.  And I don’t see broadcasters wanting to do anything like use two frequencies for one channel.

Cable may support 4K as premium channels, very likely OnDemand only, as it is easier for them to devote a couple of QAM channels – or just deliver the video as IPTV data.

]]> By: Fanfoothttp://www.gizmolovers.com/2011/08/16/atsc-begins-work-on-broadcast-3d-tv-standard/comment-page-1/#comment-27843 Fanfoot Wed, 17 Aug 2011 04:59:00 +0000 http://www.gizmolovers.com/?p=4421#comment-27843 It'll be interesting to see if the upcoming passive 3D systems from LG and Samsung revive the interest in 3D that seems to be waning at this point given the prices of the systems, lack of standardization of the expensive glasses required by active 3D, and the extreme lack of content.  I assume the cheaper prices all 'round will make passive more successful despite the lower quality when displaying 3D.  But I'm not at all sure that'll be enough.If I were the ATSC I'd focus on h.264 for 3D delivery, given the obvious benefits to quality vs. bits used.  But hey, I'm not in charge.  Like you I'd bet on 2D + depth as being the best trade-off given the requirements.But hey, 4K is coming soon, so all of these problems will go away momentarily right? It’ll be interesting to see if the upcoming passive 3D systems from LG and Samsung revive the interest in 3D that seems to be waning at this point given the prices of the systems, lack of standardization of the expensive glasses required by active 3D, and the extreme lack of content.  I assume the cheaper prices all ’round will make passive more successful despite the lower quality when displaying 3D.  But I’m not at all sure that’ll be enough.

If I were the ATSC I’d focus on h.264 for 3D delivery, given the obvious benefits to quality vs. bits used.  But hey, I’m not in charge.  Like you I’d bet on 2D + depth as being the best trade-off given the requirements.

But hey, 4K is coming soon, so all of these problems will go away momentarily right?

]]> By: Fanfoothttp://www.gizmolovers.com/2011/08/16/atsc-begins-work-on-broadcast-3d-tv-standard/comment-page-1/#comment-27844 Fanfoot Wed, 17 Aug 2011 04:59:00 +0000 http://www.gizmolovers.com/?p=4421#comment-27844 It'll be interesting to see if the upcoming passive 3D systems from LG and Samsung revive the interest in 3D that seems to be waning at this point given the prices of the systems, lack of standardization of the expensive glasses required by active 3D, and the extreme lack of content.  I assume the cheaper prices all 'round will make passive more successful despite the lower quality when displaying 3D.  But I'm not at all sure that'll be enough.If I were the ATSC I'd focus on h.264 for 3D delivery, given the obvious benefits to quality vs. bits used.  But hey, I'm not in charge.  Like you I'd bet on 2D + depth as being the best trade-off given the requirements.But hey, 4K is coming soon, so all of these problems will go away momentarily right? It’ll be interesting to see if the upcoming passive 3D systems from LG and Samsung revive the interest in 3D that seems to be waning at this point given the prices of the systems, lack of standardization of the expensive glasses required by active 3D, and the extreme lack of content.  I assume the cheaper prices all ’round will make passive more successful despite the lower quality when displaying 3D.  But I’m not at all sure that’ll be enough.

If I were the ATSC I’d focus on h.264 for 3D delivery, given the obvious benefits to quality vs. bits used.  But hey, I’m not in charge.  Like you I’d bet on 2D + depth as being the best trade-off given the requirements.

But hey, 4K is coming soon, so all of these problems will go away momentarily right?

]]> By: Fanfoothttp://www.gizmolovers.com/2011/08/16/atsc-begins-work-on-broadcast-3d-tv-standard/comment-page-1/#comment-27845 Fanfoot Wed, 17 Aug 2011 04:59:00 +0000 http://www.gizmolovers.com/?p=4421#comment-27845 It'll be interesting to see if the upcoming passive 3D systems from LG and Samsung revive the interest in 3D that seems to be waning at this point given the prices of the systems, lack of standardization of the expensive glasses required by active 3D, and the extreme lack of content.  I assume the cheaper prices all 'round will make passive more successful despite the lower quality when displaying 3D.  But I'm not at all sure that'll be enough.If I were the ATSC I'd focus on h.264 for 3D delivery, given the obvious benefits to quality vs. bits used.  But hey, I'm not in charge.  Like you I'd bet on 2D + depth as being the best trade-off given the requirements.But hey, 4K is coming soon, so all of these problems will go away momentarily right? It’ll be interesting to see if the upcoming passive 3D systems from LG and Samsung revive the interest in 3D that seems to be waning at this point given the prices of the systems, lack of standardization of the expensive glasses required by active 3D, and the extreme lack of content.  I assume the cheaper prices all ’round will make passive more successful despite the lower quality when displaying 3D.  But I’m not at all sure that’ll be enough.

If I were the ATSC I’d focus on h.264 for 3D delivery, given the obvious benefits to quality vs. bits used.  But hey, I’m not in charge.  Like you I’d bet on 2D + depth as being the best trade-off given the requirements.

But hey, 4K is coming soon, so all of these problems will go away momentarily right?

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