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Old 06-26-2020, 12:44 AM
Steven1145 Steven1145 is offline
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Join Date: Sep 2004
Location: Paris, France
Posts: 221
Default Re: Intermittent Ring-Modulated/Bit Crushed Playback of Recorded Audio

Just a quick update as we are experiencing the same thing here.

We do film post mixing, so the HDX system is used as a stem recorder (recording 5.1 and 7.1 stems most of the time).

First time the issue popped up was on a home-built PC, and we were recording 7x 5.1 stems for a movie. We tried lots of things, and thinking that the issue was a compatibility thing with the Motherboard we decided to swap for an old Mac Pro 5.1 for the remainder of the movie.
The Mac Pro used the same HDX card, cables and audio interface (DAD DX32), and had no issues.

As the Mac Pro was a bit old, I decided to buy a used Z440 (approved) to use as a stem recorder. We received it this week, and did all the BIOS edits required by the ProTools compatibility documents.
Installed the HDX card, and fired up the same 7x 5.1 stem session. SAME ISSUE AGAIN!

We did not have the problem on Mac at all.

So we are now looking a bit deeper into it, and tested with a single 5.1 track in record, and had no issues.
I'm starting to think that maybe HDX on Windows has an issue with more than 2 digilink connectors used as inputs?

I'll keep testing and let you know.
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Steven Ghouti
YELLOW CAB Studios
Paris, France

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