chatter to viewWhile the residuum of the world is gawk at108 - column inch LCDsandquad - resolution pixel counts , I ’ll let you in on a little arcanum : 120Hz HDTVs are going to help movies bet better than ever on the picayune screen in your living room .
https://gizmodo.com/sharp-and-the-108-inch-lcd-say-bigger-is-better-226828
Here ’s how .
Film is 24 frame per second . That standard was the approximation of what was define in the early 20th C by helping hand crank cameras . And just about every movie magnetic disk you could buy is encoded in this data format . We ’re not just spill DVD . We ’re talking about HD videodisc and Blu - ray , too .
The trouble is , most telecasting run at 30 frames per second . Fitting that 24 - frame content onto a 30 - skeleton screen is n’t that easy ; the mathematics just does n’t work out cleanly . You ca n’t divide 24 by 30 without filling in the break with some junk . That junk causes stutter in the video . This is a jerked meat - looking phenomenon that ’s particularly obtrusive when the camera pans across a vista . The conversion is considerably known by film and TV wonk as 2:3 pulldown . It unfold out 24 frame into 30 by placing one shape on the screen three time and the next one after that two fourth dimension , and repeating this pattern ad infinitum .
How does this concern to an 120Hz HDTV showing frames at 120 frames per second ? A bit of simple mathematics tells you that 120 is a multiple of 24 , because 24 x 5 = 120 . So one of the claim of the purveyor of these sped - up monitors is that they can natively reproduce 24p programming , namely , just about every film has ever been bourgeon .
These new high-definition television nullify this awkward 3:2 pulldown process altogether by changing their frame rate to something that ’s a multiple of 24 by using either frame doubling or interpellation ( also call “ tweening ” ) . Then , their playback can be as confining to aboriginal 24fps playback as you’re able to get . That ’s why 72Hz ( 24 x 3 = 72 ) and 120Hz refresh rates are gaining traction . aboriginal 24p playback : Yeah , sounds good . But how will it be implemented and which maker are involved ? And who does it best ?
Next in our serial : Which TVs and disk players are in on this nascent 72Hz/120Hz phenomenon , and which method acting of frame expansion does each apply ? Is this go to cost a lot ? How much better will it look?Here ’s part 2 .
https://gizmodo.com/guide-to-120hz-hdtvs-which-sets-have-that-magic-number-233642
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