About closed caption on 2H/Progressive scan signal (1 Viewer)

[yekai]

Is there such a requirement?

For 1H signal, the standard is EIA608.

For DTV, it is EIA708.

What's the standard for 2H signal?

 

[yekai]

up!

 

[yekai]

Nobody knows whether there is closed caption on 2H (480P) ananlog signal?