[QuadList] DVD vs Blu-Ray

[Steve White]

Thanks, Dennis.
The fine points matter...and they illuminate.


On 12/23/13 3:38 PM, Dennis Degan wrote:
>
>
>
> On Dec 23, 2013, at 1:24 PM, Fred Kovach wrote:
>
> > Assuming its USA distribution only, "NTSC" will probably be 
> sufficient. If you want to satisfy the techies and confuse those who 
> haven't bathed in weeks :), then add "Anamorphic". If you wish to help 
> out the unbathed (or confuse them further), you might want to put a 
> note on the packaging to set their screen to wide screen mode. If you 
> wish to be agonizing thorough, then include the terms that the various 
> companies use, such as cinematic zoom, etc.
>
> I state:
>
> I may be making this much more complicated, but as a certified 
> stickler for correct semantics in all things technical, I must point 
> out that no DVD is truly NTSC.  This is because NTSC refers to 
> composite 525-line 29.97fps video with color amplitude-modulated as 
> two 90 degree-phased suppressed-carrier signals (upper sidebands only, 
> bandwidth-limited) operating at 3.579545MHz.  The video on all DVDs is 
> component and contains NO color subcarrier information.  The color is 
> recorded as two separate bandwidth-limited channels of video (not 
> subcarrier sidebands) additional to the full-bandwidth luminance, all 
> packed into the digital information held on the disc.  So technically, 
> you can't call it NTSC as that is now a dead format and never actually 
> was a part of any DVD.
> But you can call it that . . . if you really want to.    ;)
>
> Dennis Degan, Video Editor-Consultant-Knowledge Bank
>   NBC Today Show, New York
>
>
>
>
> ______________________________________________
> Please trim posts to relevant info when replying.
>
> Change subject to reflect thread direction. Thanks.
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