So I just bought a Homido to use with the nexus 6p. It's fun but the resulting image isnt too sharp. I think this is because demo movies are 1080p generally and since our phone is quite big, the resulting image isnt too sharp. I wonder if someone knows a source for 1440p or 4k SBS movies to demo ? I couldnt find any myself. Not youtube but real movies for download, shot in QHD or UHD. Please share if you've found something in this thread, thanks !
Actually I'm starting to think there's currently just *no* SBS content higher than 1080p, even on the torrents I can't find anything higher than 1080p, that's quite a bummer ... Still, if someone knows a demo or something >1080p, please do share !
Actually so it seems the SBS format only goes up to 1080p24 ... Just starting to look into this, but wondering now if there's a format that supports higher resolutions ?
*EDIT* also just found this article, the makers of the Oculus rift say that 8k resolution per eye is needed to truely get rid of pixelation: http://arstechnica.com/gaming/2013/...esolution-per-eye-isnt-enough-for-perfect-vr/ and the article makes a point that you need even a multiple of that to get rid of aliasing.
Oh and 500 fps, hehe.
That seems still quite a few years away, lol.
Currently virtual reality is interesting but I understand now we're still quite a few (probably 10) years away from hardware that can generate a really good VR experience. 1080p24 just isn't it....
To answer my own question:
Full SBS = 3840 x 1080 which exists but requires specialist playback equipment
Half SBS = 1920 x 1080 which is very widespread and also of course broadcast-able.
So Full SBS is actually 1080p *per eye*, so our display cant yield true full SBS unfortunately.
Related
So if the Vibrant is only 800X480, why does a 720p movie look better than a 480 movie, it seems like the max is 480..... Also, if the Iphone 4 has 960x640, even though it looks amazing, way better than any android, it isnt actually playing a 720p video in full either is it? yes i realize how stupid that question seems to many of you. I couldnt figure out how to search google for the question. So enlighten me if you can. After you give me crap for not searching of course...thanks
DMaverick50 said:
So if the Vibrant is only 800X480, why does a 720p movie look better than a 480 movie, it seems like the max is 480..... Also, if the Iphone 4 has 960x640, even though it looks amazing, way better than any android, it isnt actually playing a 720p video in full either is it? yes i realize how stupid that question seems to many of you. I couldnt figure out how to search google for the question. So enlighten me if you can. After you give me crap for not searching of course...thanks
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What is the resolution of the movie you are comparing it to? What is the format of the movie? How was it compressed? All of this and more affects the resolution of the video. If you have a 720p movie, it my be down-converted to 480 on playback, but because it was compressed at a higher quality (and maybe in a less lossy format), it's going to look better than a movie compressed in standard-definition (and more than likely at lower data rates).
because 720 is bigger than 480, the image size is bigger and usually has a higher bitrate too than a regular 480 video, so if 720 is played on anything smaller than a 720display, it gets resized (downsized) to fit the screen (without any quality loss), in this case a 480 screen. So all those pixels on the 720 video get pushed closer together thus showing more detail on the 480 screen.
a 480 video usually looks just fine on a 480 display, but since a 720 video is bigger and was meant for higher resolution screens, it has a higher bitrate which makes it store more detail than a 480 video, that's why it looks better
thanks for the replies, that makes perfect sense. if its 720 pixels i didnt understand how they could all be on a screen capable of only 480 but i guess compressing the video maintains the quality.
And to answer the questions, i just dl a movie, and drag and drop to my vibrant through doubletwist which takes care of the conversion. Although ive noticed none of the videos i download look nearly as good as default Avatar. I dl 1080/720 movies and they always have the very pronounced, large pixels when there is action and bright colors. But Avatar looks great so i guess maybe i could use something other than doubletwist and get a better quality conversion? Because the Vibrant is clearly capable of displaying fast action and huge varieties of colors like in Avatar
That said im ready for HTC/Moto/Samsung to start popping out some high res displays to rival the I4. The Vibrant has a nice screen but put it next to the damn I4 and it looks downright dull. I guess that tiny 3.5" screen next to the Vibrant's perfectly sized 4" display benefits the I4 visually as well...
DMaverick50 said:
thanks for the replies, that makes perfect sense. if its 720 pixels i didnt understand how they could all be on a screen capable of only 480 but i guess compressing the video maintains the quality.
And to answer the questions, i just dl a movie, and drag and drop to my vibrant through doubletwist which takes care of the conversion. Although ive noticed none of the videos i download look nearly as good as default Avatar. I dl 1080/720 movies and they always have the very pronounced, large pixels when there is action and bright colors. But Avatar looks great so i guess maybe i could use something other than doubletwist and get a better quality conversion? Because the Vibrant is clearly capable of displaying fast action and huge varieties of colors like in Avatar
That said im ready for HTC/Moto/Samsung to start popping out some high res displays to rival the I4. The Vibrant has a nice screen but put it next to the damn I4 and it looks downright dull. I guess that tiny 3.5" screen next to the Vibrant's perfectly sized 4" display benefits the I4 visually as well...
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don't use doubletwist to put videos on your phone if they are already compatible with the vibrant, like a 720 video, vibrant can handle that..and all I explained was about the vibrant playing back the 720 video without conversion (just dragging and dropping the 720 video to the phone)
you have been playing the wrong movies or using the wrong convesion settings cause my movies look amazing, up to par and sometimes even better than the iphone 4. Have a look at one of my threads and download the video i uploaded (just drag and drop to phone don't use doubletwist or any other conversion method) and you will see what the vibrant screen is capable of.
thread: http://forum.xda-developers.com/showthread.php?t=780155
Thanks. Avatar looks great so I realize movies can look amazing, like you said I'm just doing something wrong. Ill check your link, thanks again
I, for one, was very impressed by the 'photography' capabilities of the TP recently discussed, but it made me even more curious to know about 'video'. Just ran across a 1080p recording on Youtube. I cannot post the link (too new here), but check the channel for 'ASUSNordicAB'
Video:http://www.youtube.com/watch?v=F_7thh_KUzs
from here: http://forum.xda-developers.com/showpost.php?p=19813697&postcount=13
Yea, just made the 1000 posts full
Though you have mentioned the video over here but still this is quite difficult to determine how would be the actual performance.
XXX-KP said:
Though you have mentioned the video over here but still this is quite difficult to determine how would be the actual performance.
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I agree that this video is not a perfect test, nor is it one being done by an average guy in his home/yard, but to my (undiscerning) eye, it is very impressive for clarity, frame rate, color, and effects. Since this video was released, here is what some of the other sites are saying:
http://androidcommunity.com/transformer-prime-1080p-camera-gets-a-look-at-segways-and-fashion-models-20111129/
"The 8MP 1080p camera is will also meet or beat just about any tablet out there, and the manufacturer aims to prove it with their latest YouTube video. Compare this with the impressive still images already released....An Asus demonstrator walks around the trade floor showing off the 1080p recording, as well as the standard color filters. Though the Transformer Prime isn’t launching with Ice Cream Sandwich, it will include its own video tools, including an interesting time lapse mode that takes one photo every ten seconds."
http://www.ubergizmo.com/2011/11/asus-transformer-primes-camera-demonstrated/
"Everything is shot in 1080p at 30 FPS (frames per second) and looks extremely sharp not to mention there were no signs of frames dropping. However the tablet wasn’t shooting in difficult conditions so it’s not exactly the best way to judge its capabilities. But for what it’s worth, it does perform well with adequate lighting."
http://news.softpedia.com/news/Asus-Transformer-Prime-Camera-Put-to-the-Test-237339.shtml
"The whole video is shot in 1080p at 30fps and the image looks really crisp (at about the same level as some budget Full HD video cameras we would say) with no signs of frames being dropped. Lighting also wasn't ideal as the video was shot indoors, so this is another plus for the Transformer Prime."
The video definitely seems to look good. I am curious how good the audio that goes with it is though
Just wondering...else I have to convert to 480p
Yes it supports 720p (and 1080p) movies.
you guys have to always remember that what it supports and what it can do flawlessly are two separate things....
720p videos films are playable but not the smoothest.
actually,For me,720p and 1080p vids played quite smoothly (maybe a tad slower than my iphone4 but nothing notable really)
Interesting, I didn't even try 720p. Good to know it works, but really it generally would be worth your time to convert. Huge waste of space if you don't plan on deleting it right after viewing.
Sent from my PI39100 using XDA Windows Phone 7 App
link68759 said:
Interesting, I didn't even try 720p. Good to know it works, but really it generally would be worth your time to convert. Huge waste of space if you don't plan on deleting it right after viewing.
Sent from my PI39100 using XDA Windows Phone 7 App
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Yup I had to convert a 2.5 gb vid from avi to mp4 and it was about 3.7gb
VeryCoolAlan said:
Yup I had to convert a 2.5 gb vid from avi to mp4 and it was about 3.7gb
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I assume you used Zune to convert it, if the end file ended up being bigger than the original.
A properly transcoded video would be significantly smaller: a 720p video has 921600 pixels per frame, as opposed to the resolution of our Titans; 480x800. A wvga video only needs 384000 pixels per frame. Therefore a 720p video is roughly 2.4x larger than it needs to be as our screens cannot display pixels it doesn't have (and that's not even taking bit rate into account). The quality will actually be slightly worse on a 720p video because it will have to be scaled down to play on the screen, whereas a properly transcoded video would be 1:1 with the pixels on the screen.
I mentioned bit rate; I don't really know what a good marker for bit rate is, but when transcoding to a smaller resolution, you don't want to keep the original bit rate: that has to go down too. Bit rate plays into file size significantly, so in reality any 720p video is much more than 2.4x bigger than it needs to be.
I guess one of these days I'll play around with a transcoder and make a thread about how to properly convert a video for WP7.
Does anybody know where I could download high quality 2560x1600 native videos? I really want to see the Nexus 10's screen in full glory! I've searched on Google but couldn't find anything.
Thanks
On a side note: Am I the only slightly bothered by how 1080p videos look on the nexus 10? I completely understand why they look the way they do and in all fairness they still look really good but no where near as crisp on a native 1080p display. I guess the screen resolution is ahead of its time since no there is no video content available for consumer purchase above 1080p (at least from what ive seen). But I still LOVE the screen! :good:
michaelearth said:
On a side note: Am I the only slightly bothered by how 1080p videos look on the nexus 10? I completely understand why they look the way they do and in all fairness they still look really good but no where near as crisp on a native 1080p display. I guess the screen resolution is ahead of its time since no there is no video content available for consumer purchase above 1080p (at least from what ive seen). But I still LOVE the screen! :good:
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1080p seems immaculate to me, not sure what tablet you're comparing too, but a high quality blu-ray rip isn't that distinguishable from 1600/1440p stuff.
http://forum.xda-developers.com/showthread.php?t=1995176 has a 1400p video sample
Courtathor said:
1080p seems immaculate to me, not sure what tablet you're comparing too, but a high quality blu-ray rip isn't that distinguishable from 1600/1440p stuff.
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Agreed, I ripped my Sky fall bluray copy to MP4 @ 2.5gb and it looks amazing
Sent from my Nexus 10 using Tapatalk HD
youtube has 1080p video samples. youtube also 1440 stuff.
they both look amazing...
michaelearth said:
Does anybody know where I could download high quality 2560x1600 native videos? I really want to see the Nexus 10's screen in full glory! I've searched on Google but couldn't find anything.
Thanks
On a side note: Am I the only slightly bothered by how 1080p videos look on the nexus 10? I completely understand why they look the way they do and in all fairness they still look really good but no where near as crisp on a native 1080p display. I guess the screen resolution is ahead of its time since no there is no video content available for consumer purchase above 1080p (at least from what ive seen). But I still LOVE the screen! :good:
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Timescapes.org. you can purchase it in the 1440p version... It looks AMAZING on the N10... There is a full 4k version but it is higher red than n10 lol
Hi all
What is the general consensus for the best resolution for playing movies on the tablet considering the screen it comes with?
I am heading overseas shortly and so wanted to look at whether I convert some of my large movies to a smaller filesize and if I do what resolution is ideal.
That of course could lead on to the app people use for said conversion (but that is very subjective to each individual).
Cheers
Well since our screen supports 1080P i would say that is also the ideal resolution now I don't think that your movies are any higher resolution than that so it is also very subjective what resolution is 'optimal' it will always be a tradeoff between quality and filesize, personally I don't really see that much difference between 1080 and 720. With 480p I do really see a difference. But I would say that is sufficient for your trip.
Sent from my SGP311 using Tapatalk 4 Beta
The ideal format for the XPERIA Tablet Z (and well any other modern tablet) is h.264 .mp4 AVC. The tablet's screen is WUXGA (1920x1200), so itnis perfect for 1080p. Sony's official whitepaper states the device supports up to 20Mbps, somI recommend encoding your video to that bit rate for maximum quality. A bit rate of 15Mbps is also a good compromise if you still want high quality, while 11.5Mbps is still ideal. 7.5Mbps 720p is also suitable if you dont mind sacrificing some quality.
I have an eye for low quality, but if you are dealing with feature length live action movies here, handbraking them to 10Mbps h264 1070p should do.
I myself use 15Mbps. I can provide a screencap of a 15Mbps video on the tablet if you want one.