Want A Free Speed Racer Episode *legally*?


FabreNZ

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http://psp.connect.com/

Sony has uploaded a few videos for the PSP there, although you can convert them to play them on the GP32 :D They're 320 x 240 and in MP4 format. Included in there is an entire Speed Racer episode, split into two parts! It brings back so many memories from my childhood :D
 
Nice, but the storage consumption is just ridiculous... Seems like Sony uses a crappy codec to ensure that people have to buy their video UMD´s... or very big (and thus expensive) Memorysticks.
 
Sony definitely does try to force people to buy UMDs - the maximum size of a video is 76,800 pixels per frame (which is why these videos are 320 x 240 - that equals exactly 76,800 pixels). This means that you can only get fullscreen video by taking a 16:9 video and squishing it down to 320 x 240, and then playing it back stretched to fullscreen on the PSP. But this makes the video look distorted, so people would feel obliged to buy the UMD version of a movie rather than just rip their own DVD.
 
Them videos are so big because Sony obviously wants to show the quality that can be achieved with the PSP.
 
Fishbong posted on Apr 2 2005 at 08:16 AM said:
or very big (and thus expensive) Memorysticks.


Not that Expensive... you can get a 1gb card for £60 ($120)
 
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FabreNZ posted on Apr 2 2005 at 08:31 AM said:
Sony definitely does try to force people to buy UMDs - the maximum size of a video is 76,800 pixels per frame (which is why these videos are 320 x 240 - that equals exactly 76,800 pixels). This means that you can only get fullscreen video by taking a 16:9 video and squishing it down to 320 x 240, and then playing it back stretched to fullscreen on the PSP. But this makes the video look distorted, so people would feel obliged to buy the UMD version of a movie rather than just rip their own DVD.


I don't understand, why would it look distorted?
 
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mattmagoo posted on Apr 4 2005 at 09:17 PM said:
it looks distorted because they do NOT use widescreen footage to start with, the use 4:3 and then strech it to 16:9


But he just said he did:
This means that you can only get fullscreen video by taking a 16:9 video and squishing it down to 320 x 240, and then playing it back stretched to fullscreen on the PSP. But this makes the video look distorted,
 
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I probably shouldn't have used the word 'distorted' to describe it. When you stretch the 16:9 video down to 3:4 (during conversion) and then back to 16:9 (during playback) you lose detail, making some parts look blurry etc.
 
fdave posted on Apr 4 2005 at 09:52 PM said:
mattmagoo posted on Apr 4 2005 at 09:17 PM said:
it looks distorted because they do NOT use widescreen footage to start with, the use 4:3 and then strech it to 16:9


But he just said he did:
This means that you can only get fullscreen video by taking a 16:9 video and squishing it down to 320 x 240, and then playing it back stretched to fullscreen on the PSP. But this makes the video look distorted,
You could take a widescreen video, then resize it. But however the horizontal resolution would still be max. 320 pixels. So you would have widescreen, and if you are able to scale it up, also fullscreen, but of course it would make it look very pixelated when scaled up.
 
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To show the kind of quality degradation that results from such a process, I took a 480x272 image, stretched it down to 320x240, then stretched it back to 480x272. The image on the left is a closeup of the original, and on the right is a closeup of the result after stretching.

example8lq.jpg
 
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