Posted by Ty Ford on 06/12/06 13:58

On Sun, 11 Jun 2006 17:45:07 -0400, Frank wrote
(in article <ud3p82l5p5tv1715l1p48v7jm6p5pqrl6c@4ax.com>):

> On Sun, 11 Jun 2006 09:47:16 -0400, in 'rec.video.production',
> in article <Varicam or Not Varicam?>,
> Ty Ford <tyreeford@comcast.net> wrote:
>
>> Hi,
>>
>> I was on a shoot last week that was supposed to be an HD shoot on a
>> Varicam.
>> The camera itself was not as tall as I remembered other Varicams. It had
>> "DVCPro HD" printed on one side and 720P on the other. The Varicam logo
>> looked askew as if it had fallen off and had been reglued.
>>
>> So looking it up on the net shows me a 1280x720 camera. The 720 I'm
>> familiar
>> with is 720x480. What is it about this variacam that would make them put
>> 720
>> on the camera rather than 1280?
>>
>> Regards,
>>
>> Ty (confused in Baltimore) Ford
>>
>>
>>
>> -- Ty Ford's equipment reviews, audio samples, rates and other audiocentric
>> stuff are at www.tyford.com
>
>
> Ty, we always talk in terms of lines.
>
> Thus 720 anything (for example, 720p) refers to a progressive 1280
> pixel wide by 720 line high frame.
>
> Similarly, 1080 anything (for example, 1080i or 1080p) refers to an
> interlaced or progressive, respectively, 1920 pixel wide by 1080 line
> high frame.
>
> NTSC DV has a frame size of 720 pixels wide by 480 lines high
> interlaced, which would be called 480i, not 720i. If it were
> progressive instead of interlaced, it would be called 480p, not 720p.
>
> Clear?
>
>

Thanks Frank. So it's the number of lines that stack vertically that defines
the resolution. The other number tells you how wide the picture is, as in
4:3, 16:9?

Regards,

Ty Ford




-- Ty Ford's equipment reviews, audio samples, rates and other audiocentric
stuff are at www.tyford.com

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