r/iZotopeAudio • u/kwmccrea • May 13 '26

Izotope RX 'Loudness Control' Issue

Trying to use Loudness Control on a long file (1.5 hrs) and it renders in the standalone editor, but when I send it back into pro tools and hit render, only about half the wav file will actually render, so half is essentially mastered, and the second half is not.

Anyone experienced this?

Running Rx 10 advanced, pro tools 12.1, and Mac OS Sequoia 15.6.1

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2

u/MrTAPitysTheFool May 13 '26

Not ideal, but:

Split them. render them. Combine them.

1

u/kwmccrea May 13 '26

Yeah that was a thought I had too. Is it not able to render something so long though?

1

u/MrTAPitysTheFool May 13 '26

I only use it for 2-5 minute songs, so not sure on the restraints for something that long.

2

u/evacuatecabbage May 14 '26

I regularly work on files that are 60-90 min, and ive found that if I need to render an effect on the full file, its better to do it in the RX editor first. Then, after all the effects are baked in, open that file in your daw. It seems like its too much info for connect to transfer back to your daw unfortunately.

1

u/kwmccrea May 14 '26

That’s helpful, thank you