|
|
Posted by Stuart Miller on 02/01/07 17:50
"Anim8rFSK" <ANIM8Rfsk@cox.net> wrote in message
news:ANIM8Rfsk-A865A2.18345731012007@news.phx.highwinds-media.com...
> In article <D_6wh.832427$5R2.679581@pd7urf3no>,
> "Stuart Miller" <stuart_miller@shaw.ca> wrote:
>
>> <SFTVratings_troy@yahoo.com> wrote in message
>> news:1170274597.382084.36170@k78g2000cwa.googlegroups.com...
>> > For comparison other standards are:
>> > 240 - VHS (ditto Betamax)
>> > 330 - NTSC broadcast
>> > 425 - laserdisc (ditto S-VHS)
>> > 540 - DVD
>> >
>> > I was a bit surprised, but apparently the Electronics Industry
>> > Association measures the resolution differently than one might
>> > expect. They put a giant circle in the middle of the screen, count
>> > the number of visible pixels across, and arrive at a number like "425
>> > for laserdisc" or "540 for dvd". It seems counterintuitive, but
>> > that's how it's done.
>> >
>> > I imagine if the DVD is severely compressed, the quality would drop
>> > much lower than 540 (just as a VHS tape recorded in super-slow mode is
>> > only ~120 across). 540 is the ideal, not the norm.
>> >
>> Even in optimal situations, there are two resolutions to consider.
>> First is the signal. I had understood NTSC to be 525 each way, (for a
>> video
>> camera)
>> Second is the display - there are regions of the signal ( top & bottom)
>> which are not displayed on the screen
>>
>>
>> So what you actually see is less than what is recorded. The technical
>> sections of sites like digitalfaq explainm this properly.
>>
>> Stuart
>
> Stuart, allow me to introduce you to Troy Heagy, performance troll and
> the self styled "most annoying man on usenet"
>
> Troy posts under at least half a dozen names (see below) and his game is
> to create a thread that might otherwise be interesting, and introduce a
> deliberate mistake into it, and watch it fall apart with people arguing
> about his mistake instead the actual topic.
>
> He's been busted in rec.arts.tv so many times that he's expanding his
> net to other groups, like mostly sci-fi like Farscape, and technical
> ones like these. But he sets the cross posts to rec.arts.tv to show
> that he's still managing to annoy us here.
>
> He'll now scream that we're haters, and are stalking him, etc., etc.,
> etc., and probably threaten legal action, yadda yadda yadda.
>
> Oh, and he sends death threats to people that expose him like this, and
> then will claim they've been sending HIM death threats, and writing his
> boss and trying to get him fired, blah blah blah.
>
> Killfile Troy Heagy in all (s)he-its many incarnations now:
> Troy.Heagy@gmail.com,videonovels@yahoo.com
> videonovels2010@yahoo.com,telenovels@yahoo.com,fred_h_haddad@yahoo.com
> **DON'T FORGET THE NEWEST ONE>>> SFTVratings_troy@yahoo.com
Thanks for the 'heads up' - I have read the rest of this thread now
Stuart
Navigation:
[Reply to this message]
|