CompuServe Messages

#Studio16 3.0 track drift

    16-Jun-94 22:54:18
Fm: Terry L. Tabor 71170,1170
To: Glenn Scott 70523,1041
Glenn, Thinking about you're problem a little further, I came up with a few more thoughts. The fact that you're seeing the external TC switch back to internal TC in preferences indicates to me (at least from the way the software works in my setup), that for whatever reason, the Sunrize board isn't recognizing the external TC as valid time code, and (as mine does under the same conditions) is therefore switching automatically to internal time code which is essentially free wheeling compared to any external time code. Then in your comments, you mention that you're recording you're time code on the PCM track of a Hi-8 tape. I've never tried doing that, and although the specs would indicate that Hi-8 PCM tracks should be able to faithfully playback recorded time code, the problem might be that the Sunrize board doesn't like its time code PCM'ed. Or it might be as simple as an incorrect (too hot, too little) level setting into the Sunrize board. I would suggest some experimentation with the levels first. Then maybe try using the linear tracks for the time code instead of the PCM. My guess is this might not be practical real world as you can't post stripe using the linear tracks, but it might give you an indication whether the Sunrize is choking on the PCM'ed time code. If that's the problem, one solution would be to buy one of those time code reconstructors (probably not the right word) that accepts somewhat corrupt time code and outputs a reconstructed version of the time code. They're not real expensive; I bought mine for about $200 bucks from a company called "MIDIMAN". The box is called the SYNCMAN Plus. I seldom need it in my setup anymore, but it's a versatile box well worth the money. It generates time code for striping to tape which I use on shoots for striping right to the linear tracks of my Hi-8 cameras (I don't have PCM capability). It does this regeneration of time code trick. And it generates Midi time code synchronized to either the time code coming in to it or the time code it's generating. In any case, my main point is that I would be kind of suspicious of the PCM tracks on Hi-8 capability to record time code and then play it back for the Sunrize board. And even if other things work all right off the recorded PCM TC, the Sunrize might be more finicky. And there are ways around that problem as well (Linear tracks, TC regenerators). Keep me updated. I hate to hear when people have invested serious money into a setup and can't get it to fly right. Terry Tabor