iZotope RX Connect with Cubase - "Send back" not always works (Direct Offline Processing)

Hi I use the iZotope RX 11 audio editor sometimes for specific audio clips inside Cubase 14 to clean them up. I select the clip, go to Direct Offline Processing, select RX 11 Connect and then it sends the audio to RX’s editor. I make my changes and then click on “Send back” in RX.

Now there’s the issue - sometimes it works sending it back and I only need to click on “Apply” in the Direct Offline Processing, but other times I click on send back and it doesn’t send it back. It only goes back to Cubase without the Direct Offline Processing window open. And I see if I go to that specific clip that it didn’t send anything and still shows “Audio clip(s) are now available in RX”.

My temporary fix is to re-open the project file and them it works again but any pointers what causes this would be great. Helps me to not do changes twice. I do have SpectraLayers Pro but for some tasks I prefer RX.

I also had the problem in earlier Cubase and RX versions. I still wonder what could be the culprit?

I was thinking I used a different process from you with RX. In particular, I’d right click on the clip(s) I wanted to work on, pick Plugins off the menu, then navigate to RX Connect. However, I see that is just another way of getting to the Direct Offline Processing dialog, just with FX Connect already selected. Then I hit Apply, which brings up RX, do any tweaks, and Send Back. Just trying this now, it got me back to the Direct Offline Processing box again, where hitting Apply again made the change.

However, I seem to recall there have been times in the past where I had to repeat the process of calling up the plugin on the clip(s), then hitting Apply to get the changes to be accepted on the Cubase end. The difference there would have been that the Direct Offline Processing dialog would not have been there after the Send Back from RX, but the changes must have been sent back, or hitting Apply that second time would have gone back into the RX editor. I don’t think, however, I’ve ever had an issue with the changes’ not having been sent back, only that the extra invoking of the right-click on the clip and calling up the plugin was needed. It is possible that was with earlier versions of RX as I’ve upgraded pretty regularly over the years.

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Thank you for sharing your experience! Exactly, I click on Send Back, then RX minimizes and I just realized it didn’t focus on Cubase yet though (menu bar on Mac still showed RX instead of Cubase) so I left clicked on the Cubase project (which I still see open) to make it the active window, but the Direct Offline Processing window wasn’t there.

From there it is a bit tricky but it works just like you described that it gets the information by extra invoking right lick on the clip again. It is still a bit finicky. Sometimes it doesn’t and I have to give it a few tries. At least it is closer than “work is gone, I need to get it done again after a restart”. Just weird that sometimes I need to do the extra clicks and sometimes it is right back at the Direct Offline Processing window.

I probably should have noted I’m on Windows 10, so perhaps there are differences with a Mac.

I think in all the cases I’ve seen, RX didn’t minimize, but maybe focus returned to the main Cubase project window, with or without the Direct Offline Processing window open.

I don’t use RX all that frequently, and, when I do, it tends to be intensely for a very short period of time in the context of the overall project (since my only true audio tracks are vocals, with everything else being virtual instruments, thus making my main use trying to remove any artifacts from vocals, be it one specific phrase or overall, and I generally wait until after comping to do that so I’m not taking up time dealing with takes I won’t use).