[Avid-L2] Re: Audio delay on Panasonic Plasmas

So what do you do? You put in audio delay to your speakers, and make sure that your monitors have KNOWN delay rates.
Match the two, and you're golden. Unless you want to search out Tubez....

JDS

--- In Avid-L2@yahoogroups.com, Dennis Degan <DennyD1@...> wrote:
>
>
> On Nov 18, 2009, at 2:41 AM, chlowden wrote:
>
> > Finding Plasmas that do not have delay can be hard.
>
> I add:
>
> In fact, it's impossible. There is no plasma display available that
> does not have latency.
>
> chlowden also wrote:
>
>
> > The other major problem is delay in output out of your video card /
> adrenaline / nitris and the inherent delays in the monitor. For
> instance, you use the mojo HDMI into a plasma and analog audio output
> into a stereo. I guarantee you there will be a delay (avid seemingly
> built it that way). The HDMI circuits expect audio and video to be
> exploited together and are separation happen via the plasma.
>
> I state:
>
> It's pretty clear that the HDMI output has audio and video in sync.
> It's when you use audio and video from different sources that you
> encounter trouble. In order for the HDMI circuitry to provide
> audio/video sync, one or the other must be delayed internally. If you
> use video from the HDMI and audio from the computer's audio outs, yes
> you'll get a sync difference. This is not news. I think I've
> mentioned it here in the past (either here or on another list) that if
> you simply use the audio & video provided from ONE source (in this
> case, the HDMI), most of the time your sync errors will go away.
>
> chlowden anguished:
>
> > I used to spend hours juggling between screens and different DNAs to
> get rid of the problem, particularly on cheap screens. I got older and
> now buy only very fast screens and use S video. Staying analog saved me
> loads of hassel. There are resync boxes that cost a fortune or there
> are HDMI boxes that have analog audio outputs. Hope this helps.
>
> I say:
>
> It's too bad you spent hours juggling screens and DNAs. Fortunately,
> you now have a juggling talent that can be used in the circus. ;)
> I'm happy that you've found a solution. BTW, there are resync boxes
> that DON'T cost a fortune:
> <http://www.lipfix.com/lip_sync_error.html>
>
> Dennis Degan, Video Editor-Consultant-Knowledge Bank
> NBC Today Show, New York
>

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