> Brendan Hoar wrote:
>
> >On Tue, 20 Sep 2005, Chris Kennedy wrote:
> >
> >
> >>Rolf Kistler wrote:
> >>
> >>
> >>>Hi all,
> >>>
> >>>We have used ivtv and two PVR-350 to successfully to stream mpeg-2
> >>>Video/Audio data over the network using on one side the analog composite
> >>>input (camera) and on the other side the analog composite output (TV
> >>>screen). As long as one wants to transport surveillance data or a movie,
> >>>this solution just works fine.
> >>>
> >>>Now the problem is that if the task is to control a camera or talk to
> >>>someone on the other end, the 2-3 seconds delay in our system is too much.
> >>>
> >>>
> >>This is from it being compressed video, encoding always will introduce a
> >>delay, in every encoding system out there.
I would expect the delay to be determined my the pattern of I, B and P
frames. I guess the minimum delay is that of between two I frames.
What patterns of I, P and B does the PVR-350 use? How often does it
repeat? Say it repeats after 10 frames. That 10/25 of a second, where
as the original poster was talking about 2 to 3 seconds.
Is there any way to change the pattern of I, B and P frames?
Andrew
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