[MEncoder-users] nexus one dimension (pixels)

[hai yi]

Jorge: you explaination makes a lot of sense, thanks for the help!
----- Original Message ----- 
From: "Jorge Fábregas" <jorge.fabregas at gmail.com>
To: <mencoder-users at mplayerhq.hu>
Sent: Sunday, September 19, 2010 3:30 PM
Subject: Re: [MEncoder-users] nexus one dimension (pixels)


> On Sunday 19 September 2010 13:58:03 hai yi wrote:
>> I wanted to use mencoder to convert a DVD to the right size mp4 file for my
>> nexus one, I checked the specs and it says the size in pixels are 480X800,
>> but doesnt it seem a little big? Seeing from the resulant video on the
>> computer, it appears so.
> 
> Hi,
> 
> The pixel density on your monitor is quite different from the one on your 
> phone. Check out:
> 
> http://en.wikipedia.org/wiki/Pixel_density
> 
> According to:
> 
> http://en.wikipedia.org/wiki/List_of_displays_by_pixel_density
> 
> ...the Nexus One has a PPI of 252.  That is, on one inch, there are around 252 
> pixels and on your home monitor you may have around 80-110 (usually)...so 
> there's the apparent difference in frame size.  To put in other words: the 
> Nexus device has a higher resolution display than your computer monitor.
> 
> So...if the spec says the resolution is 480x800 you should be fine by encoding 
> to those dimensions.
> 
> HTH,
> Jorge
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