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Ton ist nach capturen asynchron!

Sound is to asynchronously capture!



Frage von tomster5:
Januar 2010

Hi All,

I have a little problem with audio capture.

Here are some details:

Betacam SP is captured with SonyJ-3 Compact Player.
Software: Blackmagic Deck Control and Premiere, have both been tested.
Capture Format / Codec: PAL 16:9 DVC PRO 50

The reference monitor is running at capturing everything synchronously once it is completed, which runs synchronously mov no more - the picture always comes a little earlier. When I reinziehen the digitized video in Premiere, I have the same problem.

Why might that be? Has anyone a hint for me?

Thanks in advance
tomster5



Antwort von thos-berlin:

As reference monitor and audio monitor s.PC are connected? If the sound through the sound card?

Can you test time via Firewire as an AD converter or connect a recorder with firewire input s.den Connect PC and Picture and sound mind and over (ie listen Sound and Picture not directly s.PC)?



Antwort von tomster5:

Moin,

thanks for the reply. Unfortunately I can not really change much with the wiring.

As far as I know, everything is connected via SDI. Unfortunately I was not there to build the studio.

Almost everything is running on this video card:

http://www.blackmagic-design.com/de/products/decklink/

According to the Manufacturer but there should be no problem if you followed through the SDI.

Has anyone made experience with it, perhaps?

Thank you in advance for your help.

MfG
tomster5








Antwort von thos-berlin:

If audio monitor and video monitor to go on the Decklink card, then that is already OK (It is like the sound of picked up the sound card. There were shifts in normal).

The question is whether the file is really unsynchronized, or if "only" the PC playback is to blame.

Is there perhaps a configuration for the card program where you can get a picture-sound-set offset?

Do you have a test DVD burn times and viewed in a standalone player? As there was the synchronicity?

How it looks when you re-import via SDI into the recorder?



Antwort von tomster5:

Moin,
thanks for the feedback.

A configuration program is not on my anhieb known. Just stop the DeckControl which I import the video. As I have already tried that but synonymous with Premiere, because it will not lie. Here the same problem occurs.

A test DVD I have not yet burned. It may be natural, that it s.der PC playback is just so I can work so poorly in Premiere, if I always sound right again s.The body must move.

In the recorder / Betacam, I replayed it yet - but as I said erstmal important is that I can work with it at all and no s.PC asynchrony in Premiere longer occurs.

Perhaps have ne other ideas? Or someone else?

MfG
tomster5




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