Re: [Avid-L2] Re: 24p on consumer LCD

Thanks. Helps much.
Lou
On Feb 17, 2010, at 9:59 AM, blafarm wrote:

> Not sure if you are talking about my post -- but the issue is that
> DX hardware transmits 23.976, 24 and 29.97 profiles -- as
> progressive segmented frame (PsF).
>
> The HDMI specification does not support PsF and, not surprisingly,
> monitors can't ingest it. While Avid has resolved this issue in DX
> hardware by converting 29.97PsF to 59.94i at its HDMI port -- 23.976
> and 24 will currently not work over HDMI (although Avid has
> discussed a possible future hardware and/or software fix to address
> this).
>
> Until then, assuming it ever happens, to solve this problem, you
> might consider the AJA Hi5-3G or the AJA HDP2. Both devices take HD-
> SDI and unify PsF profiles back to their temporally coherent
> progressive formats. The Hi5 has an HDMI output, more support for
> higher bit-depth signals and a bit more control granularity -- and
> the HDP2 operates a bit more automatically and has a DVI out (which
> of course can be converted to HDMI with an inexpensive adapter).
>
> Be forewarned that I have seen slight judder in 23.976 PsF and 24
> PsF projects on some high-end Panasonic consumer monitors that are
> known and documented to support 23.976p and 24p. I've worked with
> AJA for some time now to diagnose the source of that judder -- but
> have not reached a resolution.
>
> Hope that helps.
>
> --- In Avid-L2@yahoogroups.com, Lou Wirth <loutv@...> wrote:
> >
> > A while back someone mentioned a box to convert a 24p signal out of
> > mojo dx to view in a prosumer LCD client monitor that will not take
> > 24p. I thought I saved the info for future reference but can't find
> > it. Anyone remember this or know of this box?
> >
> > thanks
> > Lou
> > Lou Wirth Productions
> > 500Tamal Plaza, Suite 522
> > Corte Madera, CA 94925
> > www.louwirth.com
> > 415-924-9411p
> >
>
>
>

Lou Wirth Productions
500Tamal Plaza, Suite 522
Corte Madera, CA 94925
www.louwirth.com
415-924-9411p

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