Jon Fairhurst
October 4th, 2007, 11:54 AM
My understanding is that CCIR 601 set black at 16 and white at 235 (in 8-bits - multiply by 4 for 10 bits) to allow some slop when digitizing analog video. It also allows for some overshoot or ringing to be captured, rather than clipped.
In the post production domain, the signal is clipped at 1 and 254 to allow for sync codes, but the signal is definitely not clipped at 16 and 235 throughout the professional chain.
So... what about consumer DVD players? Do they clip their analog outputs? How about the HDMI output? And then there's HD DVD and Blu-ray.
And what about digital broadcasting?
I'm working on a technical test disc, and I want to ensure a consistent result.
Thanks!
In the post production domain, the signal is clipped at 1 and 254 to allow for sync codes, but the signal is definitely not clipped at 16 and 235 throughout the professional chain.
So... what about consumer DVD players? Do they clip their analog outputs? How about the HDMI output? And then there's HD DVD and Blu-ray.
And what about digital broadcasting?
I'm working on a technical test disc, and I want to ensure a consistent result.
Thanks!