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    Invelos Forums->DVD Profiler: Contribution Discussion Page: 1  Previous   Next
Confirming Runing Time - Confused - Dumbfounded - shocked
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DVD Profiler Unlimited RegistrantStar ContributorAddicted2DVD
Registered: March 13, 2007
Reputation: Superior Rating
United States Posts: 16,935
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Right now watching Amityville II: Possessed on DVD and as always I double check stuff like running time when I watch... been doing this for years... and my profile was off so I fix it and contribute. that is where I see this....

I contributed in 2010:
- Corrected Running Time per Rules... 1:44:31 = 1:45 = 105

and contributed today:
- Corrected Running Time 1:44:23 =  1:44 = 104

In 2010 I had a basic blu ray player and now have a 4k uhd blu ray player getting 2 different results
DVD Profiler Unlimited RegistrantStar ContributorObiKen
Registered: October 22, 2015
Reputation: Great Rating
Australia Posts: 169
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The playback frame rate will depend on your disc player settings as well as your TV input configurations.
It wasn't clear whether you were using the same TV for both Blu-ray and 4K players, but I suspect they were different TVs as well.

The difference in your times mentioned equates in seconds to 6263 (new) / 6271 (old) = 99.872% approx.

It just so happens that the NTSC frames per second (fps) for film is 23.976 fps (progressive) and 29.97 fps (interlace), rather than the normal 24 fps (progressive) / 30 fps (interlace).

If you divide progressive 23.976 by 24 (or divide interlace 29.97 by 30), you get 99.9% as the ratio.

I suspect that the older Blu-ray/TV setup played the film at a slower NTSC rate @ 23.976 fps (or interlace 29.97 fps) and the newer 4K/TV played at the normal film rate @ 24 fps (or interlace 30 fps).
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