Tuesday, July 24, 2012

Re: [Avid-L2] Re: DNxHD from Sony F3 Camera

 

about sync and Pix,
My latest quest (aka, let the flaming begin) had a PIX involved.
(for the two operated cams that i should take care off, and to record
sound.)
I love that thing to death (untill a better deal comes along, name the
movie)
It records sound 24 bits, gives you control, and even does a delay. Why
that's important? Well, modern equipment for multicam has no need for proper
genlock.
But of course that will give you delay as there has to be a buffer.
The pix allows for compensation without another box. And it has got decent
inputs.
The BM alternative (that claims to do the same thing) does not get even near
this, as it has NO sound input except embedded.
no way you have embedded sound on any half decent shoot.

The first one that offers me a Pix 240 for the same value of euros as it is
in dollars has a deal.
(I refuse to accept a dollar to be equal to an euro when i'm getting paid in
dollars but have to spent in euros...)

Bouke

VideoToolShed
van Oldenbarneveltstraat 33
6512 AS NIJMEGEN
The Netherlands
+31 24 3553311
www.videotoolshed.com

----- Original Message -----
From: "johnrobmoore" <bigfish@pacbell.net>
To: <Avid-L2@yahoogroups.com>
Sent: Tuesday, July 24, 2012 10:32 PM
Subject: [Avid-L2] Re: DNxHD from Sony F3 Camera

Oliver I guess my WTF? is based on my approach to how things should work. I
don't spend time in the field so I'm not up on all the gotchas. It would
seem to me that a camera that sends out an SDI signal with audio should be
in sync as far as that signal is concerned. Perhaps I misunderstood the
purpose of this adjustment. It sounded like it was to correct out of sync
SDI audio. If it is, as the discription pointed out in the thread, to
compensate for the difference between processing delayed audio and direct
feed audio to the box of course that makes more sense. From what you are
saying it sounds like if you just record the SDI signal with audio that
would be in sync but if you take an audio feed direct into the recorder it
would be early, no delay, so it gets delayed to match the SDI processing
delay. If I'm getting a clearer picture the adjustment is really adding
delay to the analogue direct in and not adjusting audio that is embedded in
the SDI signal that is out of sync. Do I have this right?

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