Posted by AJ on 01/14/01 11:28

Thanks for the link but there is no page 71 -- and there doesn't seem
to such a page in any other of the Tektronix docs.

I'm just trying to determine what a consumer digital camcorder doesn't
see -- due to blanking or CCD charging/dumping or whatever.

AJ



On Sat, 1 Oct 2005 23:42:47 -0400, "Mike Kujbida"
<kujfamNoSpam@xplornet.com> wrote:

>
>AJ@spamattackk.com wrote:
>> 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
>
>
>
>Depends if you're talking about end of video line blanking or end of video
>field blanking.
>Blanking pulse width (end of line) is 10.9 microseconds.
>The vertical blanking interval (end of field) is 1271 microseconds.
>Reference is from p. 71 of the (5.5 MB) pdf from Tektronix at
>http://tinyurl.com/hom4
>
>Mike

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