|
Posted by Pat Horridge on 10/03/05 11:28
<AJ@spamattackk.com> wrote in message
news:luguj1pnsolpl2607jfke6dhlr4umiam8n@4ax.com...
> Does anyone know the actual length of time of an NTSC video blanking
> interval? I've searched the web and can only find descriptions of
> what the blanking interval is but NOT how long it lasts.
>
> I am trying to determine the amount of time during which a video
> camera "does not see." I know the sutter speed will effect what is
> not recorded but I need to know the specific blanking interval time.
>
> Thanks if you can help with this.
>
> AJ
I suspect it's more complex than that.
The CCD sections of camera's often use the vertical blanking time to move
data around in the chip.
So it's not asy to assume the CDD is not exposed at all during that period.
Also shutter will make a significant difference as it discards image
captured before capturing just for the short duration chosen.
Navigation:
[Reply to this message]
|