[MacDV] Re: DVD player/TV crops my DVD-R

[Matthew Guemple]

But I gotta say the whole rectangular vs square pixels thing confuses  
the hell out of me. Any links or whatever to some reference?

>>>> Rectangular pixels are wider, not taller.
>>>
>>> Rectangular pixels on the TV are taller than they are wide - you can  
>>> see that on some Sony TVs.  That's why an image that's ready for the  
>>> TV looks wider on the computer - the TV "squishes" it up.
>>
>> Uh I thought.. that the image looks wider on the computer because of  
>> displaying the rectangular pixel perspective in a square pixel  
>> environment.
>
> Right - so long as you remember that there really isn't necessarily a  
> "rectangular pixel" - it just means that the TV doesn't have the same  
> number of dots per inch horizontally as it does vertically, while the  
> computer monitor has 72 DPI both ways.
>
>> Obviously the TV does not "squish" it's own native signal. It simply  
>> displays the rectangular pixels correctly . It is the computer that  
>> makes it look funny and has to convert the picture to square pixels  
>> in order to display it properly,
>
> Well, its a matter of perspective whether the TV squished or the  
> computer is stretched. The information in the picture is the same -  
> the dots are just closer together horizontally on the TV. I tend to  
> think of the TV as a "squished" picture because years of working the  
> computer environment makes it seem like only a loony lunkhead would  
> make a display standard that has different horiz and vert resolutions  
> . . . I'm sure it seemed like a good idea at the time  . . .

________________
Matthew Guemple
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