martin griffith wrote:

On Tue, 30 Aug 2005 15:19:28 -0700, in rec.audio.pro
wrote:

But the frame is 525 lines. That leaves 45 lines. Does anyone know what
each one of them does? I mean specifically. Like, line x is the time of
day, etc.

Thanks,

there area few lines that where originally used as a safegap and
setting up for the next frame, its quite techinical and boring, now
used for teletext and other data.

Dont worry about it, worry about the programmes more

Actually, the 'spares lines' were needed for vertical retrace time.

Graham