Thanks!

The wikipedia post is for PAL but there was a link at the bottom to the standard which includes
525-line NTSC info. Time to check if the diag menus for my TV will display the line 20 data.

Sorry about the double post - web mail interface at Mindspring has its moments.  %-)

-----Original Message-----
>From: Dan Smith <galooph@gmail.com>
>Sent: Nov 27, 2006 4:53 AM
>To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>Subject: Re: [EE]: Aspect ratio in analog TV signal
>
>On 11/27/06, peter green <plugwash@p10link.net> wrote:
>> i think any analog connector should be able to carry the actual 16:9 signal but i'm not
>> sure how the system for telling widescreen TVs if the signal they are being sent is
>> widescreen or not works.
>
>In PAL systems, the widescreen signalling is encoded in line 23.
>See <http://en.wikipedia.org/wiki/Widescreen_signaling>
>
>Dan
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