I was more thinking about how to use these .rx2 files, mainly converting them to WAV.
If it is to prepare chains I’d just use OctaChainer, it got an update these last days 
Another freeware, Wavosaur, can detect transients, and export individual files that you can load in Octachainer.
havent heard the name wavosaur in years and i was literally just looking for a free audio editor! thanks! 
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Waw there’s even an update. I mean the file not their website
For Octachainer? Yep. Was already working with the 1.2! 1.31 corrected Megabreack.
For both actually, the last update is from 27th July 2020 which is fairly recent seeing the age of the software (it’s working on Windows 98!)
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Damned.
Wavosaur don’t open .rx2 files.
I haven’t found anything that’ll extract the encrypted RX2 files. Even Chicken Systems Translator won’t.
I also checked Awave Studio for RX2. No luck.
I read some older posts over the Net saying it could.
They also mentioned Reaper as being able to batch convert but I failed to do so.
Would really be a blast if OctaChainer could use the info within rx2 files to generate OT files.
Cubase maybe?
From a developement point of view, as far as I recall, you would need to sign an agreement with Propellerheads to use their api… I think creating is easy, but reading is harder? (or vice versa)
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Yes obviously if there are no converters existing since all these years it must be because of the proprietary format.
It’s a pity cause ReCycle is actually a good tool and rx2 an efficient format at what it does but enclosing it like this is not doing the best promotion for Propellerheads or their products.
The easiest method I know to “batch” convert rex to wav is with Reason.
Drop the rex files into the sequencer, select the files, right click and bounce clips to new samples, select and export.
Thanks but the main question was how to proceed without Reason. I am on Linux as well
Ok, sorry I didn’t read that anywhere. Perhaps this information may be of value to someone reading this thread.
I have also used the Automator on Mac to batch export slices from Recycle. This has been useful for the digitakt, however I find it more useful to use whole loops in the Octatrack.
Why? I can see only advantage with a sliced loop, shorter loops of audio possible, reorder with lfos, etc. Still possible to play the whole loop anyway.
Indeed except in a few cases I don’t use slicechains since I would be totally unable to remember how the slice #32 sounds like in middle of a 64 sliced sample.
A sample chain is different from a sliced loop.
I find it more useful to do the slicing in Octaedit or the Octatrack.
I was referring to the ability to export all individual slices of a Rex file as wave files from recycle (you can also export as a single file with no slices).