Re: [ARSCLIST] Where to find NTSC Color Bar and sound tones

["joe@xxxxxxxxxxx" <sergei01@xxxxxxxxxxxxx>]

In lieu of a blue switch on the monitor, a piece of full blue lighting gel
can be placed over the screen. The most recent monitors go one step further
and remove all the color info after the filter is applied, so that you are
adjusting a monochrome image.

Joe Salerno
Video Works! Is it working for you?
PO Box 273405 - Houston TX 77277-3405
http://joe.salerno.com
----- Original Message -----
From: "Mike Richter" <mrichter@xxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxx>
Sent: Thursday, October 23, 2003 2:00 PM
Subject: Re: [ARSCLIST] Where to find NTSC Color Bar and sound tones


> At 12:17 PM 10/23/2003 -0400, Aaron Z Snyder wrote:
>
> >Talk to any European, other than the French (they're, as usual, a special
> >case), and they will tell you that their PAL (Phase Alternating Line)
system
> >means "Perfection At Last". Then ask him/her about how he/she can stand
the
> >50 Hz flicker in the picture (the US rate is approx. 60 Hz) and the
response
> >will be "What flicker?"
>
> I discovered the problem in England. I found ways to tolerate the flicker,
> but never understood the locals' insensitivity to it.
>
> >The simplest way to set up a monitor is to use SMPTE (Society of Motion
> >Picture and Television Engineers) color bars, which is a long-established
> >variant of simple color bars. The extra information allows the user to
set
> >brightness and color-balance to a (more-or-less) repeatable setting so
that
> >the color of a production can be properly evaluated.
>
> Still, one needs a standard blue filter to do a decent job. Regardless of
> the color bars used, there must be a source, which was the original
> question, I believe. As I suggested, a suitable LaserDisc or DVD is
> probably the most practical 'signal generator'.
>
> Finally, in response to a paragraph I snipped (sorry), note that digital
> reproduction does not mean NTSC/PAL/SECAM compatibility. True, a computer
> does not care so the signal from DVD-ROM to monitor should be unaffected,
> but most U.S. receivers are NTSC-only and will not reproduce a PAL or
SECAM
> signal - even if there is a SECAM DVD format (AFAIK, there is not).
>
>
> Mike
> mrichter@xxxxxxx
> http://www.mrichter.com/