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Audio slowly degrades during Edit To Tape

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Todd Beabout
Audio slowly degrades during Edit To Tape
on Feb 13, 2007 at 6:20:58 pm

One of our editors is having a strange problem with Edit To Tape. The audio starts to sound corrupted about 1 minute into a layoff. It is a gradual change, but very evident. The weird thing is that it sounds fine in the edit suite but when we check the tape we can hear the audio start to go. We have a Kona LH outputting to DigiBeta via SDI (embedded audio).

Has anyone else had a problem similar to this?

-Todd Beabout
Vazda Studios


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JeremyG
Re: Audio slowly degrades during Edit To Tape
on Feb 14, 2007 at 1:39:48 am

Have you checked to make sure it's not the deck?


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Bob Zelin
Re: Audio slowly degrades during Edit To Tape
on Feb 14, 2007 at 3:51:02 am

yes, and I bet you are getting error lights on your Digi Beta as well, as your Edit to Tape continues. And if you just let it go (with the bad audio), I bet your audio disappears completely !

You do not have your AJA Kona LH genlocked to the Digi Beta VTR. Take your black generator, and put it into the Ref Video INput of your Digi Beta VTR, and take a second output of your black generator and put it into the REFERENCE IN of your Kona LH. If you have the KL box, make sure that you have a 75 ohm BNC terminator on it as well. Go to the Kona Control Panel, click on CONTROL tab, and set it to REF VID, and not Video in, or Free Run.

Your problem will be gone. Dont' have a black generator? Buy one. Ebay sells them for $289 on a regular basis, and B+H Photo has lots of them in stock - you can have one fed exed to you, so you don't waste any more time on this.

Bob Zelin


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