Difference between revisions of "Nokia N800 Tablet PDA"

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The Nokia N800 Internet Tablet is a powerful Linux handheld computer capable of playing transcoded movies and TV shows on its beautiful 4.1" 800x480 screen. It has a stand and speakers for two people to watch at once, or you can plug in headphones. You can shrink a one hour program into 180 - 250 meg and it looks great. You can fit about 4 hours of content on a 2 gig SD card which are pretty cheap these days. You can set up MythTV to automatcially transcode and copy programs overnight to an SD card so you can watch on the train or bus in the morning. It's a lot lighter and more portable than a laptop, has a larger and nicer screen than an ipod, and because it's Linux, open source developers are porting and writing new Linux apps for it.  
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The Nokia N800 Internet Tablet is a powerful Linux handheld computer capable of playing transcoded movies and TV shows on its beautiful 4.1" 800x480 screen. It has a stand and speakers for two people to watch at once, or you can plug in headphones. You can shrink a one hour program into 180 - 250 meg and it looks great. You can fit about 4 hours of content on a 2 gig SD card, and the N800 holds two cards.  
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The purpose of this HOWTO is to lead you toward setting up MythTV to automatcially transcode and copy programs overnight to an SD card so you can watch on the train or bus in the morning. It's a lot lighter and more portable than a laptop, has a larger and nicer screen than an ipod, and because it's Linux, open source developers are porting and writing new Linux apps for it.  
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[[Image:nokia-n800-photo.jpg]]
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You need to have the latest image from Nokia to have a stable media player. You can use the Windows software provided to install the image or follow these easy Linux instructions:  
 
You need to have the latest image from Nokia to have a stable media player. You can use the Windows software provided to install the image or follow these easy Linux instructions:  
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http://maemo.org/maemowiki/HOWTO_FlashLatestNokiaImageWithLinux?highlight=%28CategoryFlashing%29
 
http://maemo.org/maemowiki/HOWTO_FlashLatestNokiaImageWithLinux?highlight=%28CategoryFlashing%29
  
[[Image:nokia-n800-photo.jpg]]
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Manually, you can use mencoder to transcode the files. This command does a little cropping so that the entire screen is filled with the show:
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mencoder -oac mp3lame -lameopts abr:br=64 -af volnorm -ovc lavc -lavcopts vcodec=mpeg4:dark_mask=0.15:autoaspect:vbitrate=512:trell=yes:v4mv=yes:vpass=1  -vf crop=720:402:0:20,scale=400:240 -idx -ffourcc DIVX  -ofps 29.97 -o  /videos/pda/crop_0_20.avi  /myth/2028_20070429190000.mpg
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I record all my SD shows at 720x480. Using this scale and crop I lose a little of the bottom and top but the video plays full screen and still looks great. There is a very helpful cross platform Java program you can run and it has preset mencoder settings you can choose from and try. It will also produce 30 second clips so you can view different settings and compare them.

Revision as of 01:54, 30 April 2007

The Nokia N800 Internet Tablet is a powerful Linux handheld computer capable of playing transcoded movies and TV shows on its beautiful 4.1" 800x480 screen. It has a stand and speakers for two people to watch at once, or you can plug in headphones. You can shrink a one hour program into 180 - 250 meg and it looks great. You can fit about 4 hours of content on a 2 gig SD card, and the N800 holds two cards.

The purpose of this HOWTO is to lead you toward setting up MythTV to automatcially transcode and copy programs overnight to an SD card so you can watch on the train or bus in the morning. It's a lot lighter and more portable than a laptop, has a larger and nicer screen than an ipod, and because it's Linux, open source developers are porting and writing new Linux apps for it.


Nokia-n800-photo.jpg


You need to have the latest image from Nokia to have a stable media player. You can use the Windows software provided to install the image or follow these easy Linux instructions:

http://maemo.org/maemowiki/HOWTO_FlashLatestNokiaImageWithLinux?highlight=%28CategoryFlashing%29

Manually, you can use mencoder to transcode the files. This command does a little cropping so that the entire screen is filled with the show:

mencoder -oac mp3lame -lameopts abr:br=64 -af volnorm -ovc lavc -lavcopts vcodec=mpeg4:dark_mask=0.15:autoaspect:vbitrate=512:trell=yes:v4mv=yes:vpass=1 -vf crop=720:402:0:20,scale=400:240 -idx -ffourcc DIVX -ofps 29.97 -o /videos/pda/crop_0_20.avi /myth/2028_20070429190000.mpg

I record all my SD shows at 720x480. Using this scale and crop I lose a little of the bottom and top but the video plays full screen and still looks great. There is a very helpful cross platform Java program you can run and it has preset mencoder settings you can choose from and try. It will also produce 30 second clips so you can view different settings and compare them.