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All Forums > The Porn Pool > The Porn Pool Forum Page 246 > Realityking website question
AuthorPost
caminitocaminito
Member

76 Posts
12/05
Posted - Oct 22 2013 : 2:16PM
hi, just a quick question for everyone:
is realityking 192 hex 1080 file scene mp4(for example big natural "natasha nice in nathasa play") has better quality than the same scene in "Big Naturals 29" dvd9 that i bought in the store? i watched the same scene and noticed that the mp4 1080 looked better in my lcd than the dvd9 same scene on the same lcd? anyone knows? thanks
ninja1
Senior Member

2939 Posts
1/08
Posted - Oct 23 2013 : 8:02AM
DVD video resolution is 72 hex 480.
caminitocaminito
Member

76 Posts
12/05
Posted - Oct 23 2013 : 4:05PM
so the mp4 1080p mp4 file from realityking that i downloaded is better than the same scene from "big natural 29" dvd9 of the same scene that i bought?
so downloading from the website reality king 1080p will give better quality than buying the dvd9 in the store for the same scene?
if so, why buy dvd9 at the store or online?
Goldstein All-Star Supporter
All-Star Member

"You have sacrificed nothing and no one."
3689 Posts
8/10
Posted - Oct 23 2013 : 5:42PM
In theory, yes.
If it was actually shot to the full 1,920 x 1,080 (1080p) maximum Blu-ray resolution, then absolutely yes.
Often, though, the companies deliver the MP4 (HD) files at a lower bitrate than the dimensions would imply.
For example:
1920 x 1080 "Best" quality MP4, would imply 13 Mbps bitrate
1280 x 720 "High" quality MP$, would imply 9 Mbps bitrate
640 x 480 "Standard" quality MP4, would imply 6 Mbps bitrate
I'm looking at a BangBros "MP4 (HD)" download (their highest-quality offered).
It is 1280 x 720, yet is only 3 Mbps bitrate (i.e. 2.97 Mbps), not 9 Mbps.
Why?
Because for consumer downloads, companies feel they need to keep the file sizes down, so that they download in a reasonable amount of time, and don't needlessly burn through your bandwidth usage limits.
Even still, a 1280 x 720 video at 3 Mbps bitrate -- assuming that the video was actually shot at that resolution or higher -- will almost always look better than a regular DVD 720 x 480 MPEG file (i.e. the VOB files on a physical DVD) -- but not necessarily by a lot.
A 720 x 480 MPEG-2 "DVD HQ" file can be as high as 8 Mbps, and looks pretty damn good -- particularly when it was "Shot In HD."
FYI, when you see "Shot In HD" on a standard physical DVD, all that is telling you is that the original source material was shot to the HD standard -- not that what is on your DVD is "HD."
Typically, video shot in HD and mastered in HD, and then output to a standard DVD, will look better than source material that was not shot to the HD standard in the first-place.
Another consideration would be so-called "remastered" videos, available to be downloaded in MP4 format.
If you have a pre-HD original and "remaster" it as an MP4 file, it is still not an HD-quality file.
If the original looks like shit, the "remastered" file typically does, as well.
Remastered does not mean the video has undergone a "restoration" process (say like when Disney spends millions to restore their older classic movies.
If we're lucky, there was a period of time (say mid-2000's) where some companies started filming scenes in HD, even though they were only released as standard DVDs.
IF -- IF -- the company goes back to the original HD source material and now "remasters" new files, they can be improvements.
If, instead, a company drags-out a non-HD original and merely blows it up to a larger "MP4-sized" file, it looks even worse than the original did.
If you've ever had an OK looking 500 x 500 pixel still picture, then enlarged it on your screen, you will notice how the enlarged picture loses its clarity, develops "jaggies" and becomes less pleasing to view than the original still shown at its original size.
Same thing applies to blowing-up video.
Bottom-line:
You'll have to download some files and see what their true size and bitrate are, and compare that with what the true size and bitrate the DVD version has.
Your subjective judgment of quality also counts.
Chances are very high that most MP4 (HD) files released for download by companies like Reality Kings, are going to be superior to standard physical DVD 720 x 480 MPEG files (i.e. the VOB files on a physical DVD).
What I'm saying is to download some files, check them out and be sure the website in question is actually giving you what you think you're paying for.
In Windows 7, you can right-click on the downloaded file and see this information:
videofileinfo.jpg
^ Remember, "2974 kbps" translates into 2.97 Mbps, "3052 kbps" translates into 3.05 Mbps, etc.
Why Windows defaults to showing us kbps numbers, instead of Mbps, escapes me.
Its like if your car's speedometer told you 290,400 fph (feet per hour), instead of 55 MPH
caminitocaminito
Member

76 Posts
12/05
Posted - Oct 23 2013 : 6:25PM
Untitled.jpgthanks for the long response. so, realityking 1080p is acutally better than the dvd9 same scene that i bought in the store. here are the details about the file 1080p that i downloaded? is it better? can you verify it for me, master senior goldstein? thanks
Edited by - caminitocaminito on 10/23/2013 6:26:53 PM
 
SUCKER4NICETITS
Member

MY FUTURE WIFE MADISON IVY
810 Posts
5/07
Posted - Oct 23 2013 : 6:52PM
^^^Thanks especially to Goldstein. I've wondered about the differences in quality.
Goldstein All-Star Supporter
All-Star Member

"You have sacrificed nothing and no one."
3689 Posts
8/10
Posted - Oct 23 2013 : 8:07PM
caminitocaminito wrote:
Untitled.jpg
Your file is 1920 x 1080 @ 10 Mbps bitrate.
This is a very high-quality file, especially for a download, and should be far superior to the same scene on a standard physical DVD.
BTW, it's when you're watching these files on larger HD TVs and computer monitors that the quality difference really becomes apparent.
If your TV is an older cathode tube set, especially smaller than 20", you won't see much difference (as the TV set becomes the weak link).
Edited by - Goldstein on 10/23/2013 8:08:13 PM
shalalin
Senior Member

1733 Posts
11/07
Posted - Oct 24 2013 : 3:32AM
I'm pretty sure your implied bitrates for the two lower resolutions are way overblown. 6 Mbit/s for a 64 hex 480 resolution works out to more than 3x the per-pixel bitrate of 13 Mbit/s at 192 hex 1080 - nobody in their right mind encodes 64 hex 480 at that high a bitrate. Ditto to a slightly lesser degree for your 128 hex 720 number - I've seen companies encode that at 8 Mbit/s (DDF just started, for reasons unfathomable) and quite frankly it's just a complete waste of disk space; at above 5 Mbit/s or so the incremental gains from throwing more and more bits at it simply can't compensate for the fact that it's still just 720p video. Encoding at above 5 Mbit/s only makes sense if it's 1080p.
Edited by - shalalin on 10/24/2013 3:35:28 AM
Goldstein All-Star Supporter
All-Star Member

"You have sacrificed nothing and no one."
3689 Posts
8/10
Posted - Oct 24 2013 : 7:22AM
I'm pretty sure your implied bitrates for the two lower resolutions are way overblown. 6 Mbit/s for a 64 hex 480 resolution works out to more than 3x the per-pixel bitrate of 13 Mbit/s at 192 hex 1080 - nobody in their right mind encodes 64 hex 480 at that high a bitrate. Ditto to a slightly lesser degree for your 128 hex 720 number - I've seen companies encode that at 8 Mbit/s (DDF just started, for reasons unfathomable) and quite frankly it's just a complete waste of disk space; at above 5 Mbit/s or so the incremental gains from throwing more and more bits at it simply can't compensate for the fact that it's still just 720p video. Encoding at above 5 Mbit/s only makes sense if it's 1080p.
Click to expand
1920 x 1080 "Best" quality MP4, would imply 13 Mbps bitrate
MP4best.jpg
1280 x 720 "High" quality MP4, would imply 9 Mbps bitrate
MP4high.jpg
640 x 480 "Standard" quality MP4, would imply 6 Mbps bitrate
MP4std.jpg
shalalin
Senior Member

1733 Posts
11/07
Posted - Oct 24 2013 : 6:57PM
^ That's nice that some random company decided to make those numbers the defaults in their encoding program, but that doesn't mean it's sensible in any way, let alone that it constitutes some type of objective standard. But hey, go waste HD space on massively inflated files that don't offer any perceptible improvement in video quality if that's what makes you happy.
PS: I'm amused to see that the audio bitrate varies between those three profiles. If that doesn't tell you that the numbers are chosen in a completely arbitrary fashion...
Edited by - shalalin on 10/24/2013 7:08:00 PM
Xanderian
Member

404 Posts
1/11
Posted - Nov 2 2013 : 8:59PM
As far as i watch all my porn hd, i can comfortly say that the all other things remaining constant
1080p video should have minimum 6000 kb bitrate to be called FULL HD
720p video should have minimum 4000 kb bitrate to be called HD,
Because when we lower the bitrates, the quality really is distorted. 1080p video at 3k means nothing to me



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