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post #8401 of 8417 Old 08-10-2016, 05:31 PM
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Originally Posted by michaeltscott View Post
From what I can find, additional bandwidth for HDR metadata is variable, up to 25%, typically 10-15%. So that 16 Mbps becomes 20 Mbps; big whoop.

I haven't seen HDR but the impression that I get is that 1080p w/HDR would be impressively superior to 4K video without it. Nearly 2 years after buying my non-HDR 4K TV I've seen almost nothing in 4K which particularly impressed me. It's like the emperor's new clothes; we should stop wasting bandwidth on it.

I get a new Xbox One S at the end of the month, capable of playing UHD BDs (with HDR10, but my current TV can't display that). Maybe those will impress me, though I don't hold out much hope.
There is most definitely and improvement with the UHD content over 1080P. But with HDR you can get the WOW!! factor.

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post #8402 of 8417 Old 08-10-2016, 08:53 PM
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You can rent them from www.3d-blurayrental.com. As well as 3D BDs and 2D BDs to go along with the UHD BD rentals.
At 6 to 8 bucks a pop, 3D Blu-Ray Rental.com is not,
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the likes of Netflix.


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There is most definitely and improvement with the UHD content over 1080P. But with HDR you can get the WOW!! factor.
Depends on the source, the size and quality of your TV, and the distance from where you are sitting.

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post #8403 of 8417 Old 08-12-2016, 08:45 AM
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I wonder with all the talk about lossless audio and HDR they never came out with lossless video? I guess the files would be too huge. I wonder though how a 90 minute 1080p HD lossless video movie size is?

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post #8404 of 8417 Old 08-12-2016, 09:06 AM
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I wonder with all the talk about lossless audio and HDR they never came out with lossless video? I guess the files would be too huge. I wonder though how a 90 minute 1080p HD lossless video movie size is?
Lossless video and audio files are huge. I download movies to a Kaleidescape Strato from the Kscape Movie Store. The BD version of Gravity is only 90 minutes long but has lossless video and audio. The size of the download was 59.9 GB in size and took almost an hour to download. Ultra HD films, especially longer ones, are often larger than 100 GB. This may explain why streaming services don’t offer lossless versions of their programming. There may be technical reasons too but that’s above my pay grade.
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post #8405 of 8417 Old 08-12-2016, 09:14 AM
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There no doubt are lossless video encodings. I may be off a bit, but I believe that a raw 1080p24 HDMI stream with 8 bit color is slightly more than 1TB/hour. Even with a fantastically efficient encoding which compressed to 1/10th, you'd still have a 100GB/hour file. Ungainly.

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post #8406 of 8417 Old 08-12-2016, 09:15 AM
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1080i and 1080p HDTV uncompressed
8-bit @ 1920x1080 @ 24 fps = 95 MB/s, or 334 GB/h.
10-bit @ 1920x1080 @ 24 fps = 127 MB/s, or 445 GB/h.
8-bit @ 1920x1080 @ 25 fps = 99 MB/s, or 348 GB/h.
10-bit @ 1920x1080 @ 25 fps = 132 MB/s, or 463 GB/h.
8-bit @ 1920x1080 @ 29.97 fps = 119 MB/s, or 417 GB/h.
10-bit @ 1920x1080 @ 29.97 fps = 158 MB/s, or 556 GB/h


1080i and 1080p HDTV RGB (4:4:4) uncompressed
10-bit @ 1280x720p @ 60 fps = 211 MB/s, or 742 GB/h.
10-bit @ 1920x1080 @ 24 fps = 190 MB/s, or 667 GB/h.
10-bit @ 1920x1080 @ 50i = 198 MB/s, or 695 GB/h.
10-bit @ 1920x1080 @ 60i = 237 MB/s, or 834 GB/h

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post #8407 of 8417 Old 08-12-2016, 09:22 AM
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OK--I miscalculated .

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post #8408 of 8417 Old 08-12-2016, 09:26 AM
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Quote:
Originally Posted by michaeltscott View Post
There no doubt are lossless video encodings. I may be off a bit, but I believe that a raw 1080p24 HDMI stream with 8 bit color is slightly more than 1TB/hour. Even with a fantastically efficient encoding which compressed to 1/10th, you'd still have a 100GB/hour file. Ungainly.
According to Kaleidescape, and I have no reason to doubt it, the films they make available for we Strato owners to download are the same digital files the studios use to encode their BD and UHD discs. In other words, neither the video nor audio is compressed.
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post #8409 of 8417 Old 08-12-2016, 11:11 AM
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Quote:
Originally Posted by mgkdragn View Post
1080i and 1080p HDTV uncompressed
8-bit @ 1920x1080 @ 24 fps = 95 MB/s, or 334 GB/h.
10-bit @ 1920x1080 @ 24 fps = 127 MB/s, or 445 GB/h.
8-bit @ 1920x1080 @ 25 fps = 99 MB/s, or 348 GB/h.
10-bit @ 1920x1080 @ 25 fps = 132 MB/s, or 463 GB/h.
8-bit @ 1920x1080 @ 29.97 fps = 119 MB/s, or 417 GB/h.
10-bit @ 1920x1080 @ 29.97 fps = 158 MB/s, or 556 GB/h


1080i and 1080p HDTV RGB (4:4:4) uncompressed
10-bit @ 1280x720p @ 60 fps = 211 MB/s, or 742 GB/h.
10-bit @ 1920x1080 @ 24 fps = 190 MB/s, or 667 GB/h.
10-bit @ 1920x1080 @ 50i = 198 MB/s, or 695 GB/h.
10-bit @ 1920x1080 @ 60i = 237 MB/s, or 834 GB/h
AVS member dr1394 has some good sized samples at his website,

http://www.w6rz.net/
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post #8410 of 8417 Old 08-13-2016, 01:18 PM
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I'm wondering how many here could tell the difference between one of these lossless masters and a BD encode or even a good h265 or VP9 encode? It's mainly a technical issue for max archival and won't make much difference to viewer's eyes.
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post #8411 of 8417 Old 08-13-2016, 02:34 PM
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As far as my experience with streaming services:

Vudu HDX is easily not a Blu-ray but looks good.

Vudu UHD is pretty close IMO to 1080p Blu.

Netflix 2160p looks great, never seen the content on Blu though.

None of them can match lossless audio on optical discs.

None of them have the pop (that I have seen) of a UHD Blu-ray disc with HDR.
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post #8412 of 8417 Old 08-14-2016, 09:03 PM
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As far as my experience with streaming services:



Vudu HDX is easily not a Blu-ray but looks good.



Vudu UHD is pretty close IMO to 1080p Blu.



Netflix 2160p looks great, never seen the content on Blu though.



None of them can match lossless audio on optical discs.



None of them have the pop (that I have seen) of a UHD Blu-ray disc with HDR.


I have watched Great Gatsby and Pacific Rim via Vudu UHD on my OLED and they blow Bluray away. The Dolby Vision 4K is stunning.
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post #8413 of 8417 Old 08-15-2016, 05:28 AM
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Well, if you are gonna throw in the DV version lets compare it to the UHD disc, which it would lose. Standard UHD Vudu (without HDR) is on par with 1080p blu-ray.

Still doesn't change the fact the audio dynamic range is compressed and it in no way sounds as good as the disc. Thats the issue with streaming content you can get on blu-ray, the audio is obviously inferior.
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post #8414 of 8417 Old 08-23-2016, 04:08 PM
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Searching around due to another conversation in another forum, I ran across "Test Patterns" a series with multiple relatively static patterns at various frame rates, including a pattern for testing HDR10, with encodes up to 2160p at 16 Mbps, and bit rate/resolution/frame rate information burned into each of them. My current favorite such clip had been "El Fuente: 60 main10, which is only 30 fps.

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post #8415 of 8417 Old 09-03-2016, 07:52 AM
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Quote:
Originally Posted by mgkdragn View Post
1080i and 1080p HDTV uncompressed
Those rates are for uncompressed video but the video has been matrixed.

Folks should keep in mind that a HDTV facility will most likely use SMPTE 292M (HD-SDI) for production, routing, switching, etc. and the data rates are 1.485 Gbit/s and 1.485/1.001 Gbit/s (24 bit or 8 bits per channel).
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post #8416 of 8417 Old 09-03-2016, 12:24 PM
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post #8417 of 8417 Old 09-04-2016, 09:01 AM
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For the significant amount of traffic it serves, it's amazing how good the PQ on Netflix is. However, I still find that HBO NOW and STARZ PLAY are a notch better in terms of their 1080p PQ, which seems a bit cleaner and ramps up to the maximum rez immediately.

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