On Wed, 11 Jan 2006, Howard Winter wrote:

> Jose,
>
> On Tue, 10 Jan 2006 16:25:06 -0800, Jose Da Silva wrote:
>
>> Here's something else to ponder in terms of colourburst....
>> Studio cameras are indeed accurate for the colour burst, if they get the
>> colourburst off of some atomic clock, but what would you make of
>> handycams and other portable cameras? They are portable, and therefore
>> not as accurate as you would like.
>
> Yes, but I'm pretty sure they regenerate it for transmission, 
> *because* they have so many incoming sources - studio cameras, 
> handheld news cameras, telecine, handheld analogue and digital cameras 
> and even phones from members of the public.  Otherwise how would they 
> be able to cut-in video form other countries, which use completely 
> different colour systems?  (BBC news often has US newsclips, for 
> example).

Actually most studio mixing has been digital for about 10 years now 
afaik. Foreign feeds often come as D2 streams or Betacam Digital tapes 
or DV files. Standards are not so important (excepting for the infamous 
frame drop/insert required to go to and from the 60 Hz standard).

Peter
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