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Would you consider releasing the core frequency detection module? (I'm assuming it's in C++?) I'm also an iOS developer and it would be fun to play around with it.

Is the chromatic scale you align your visualizations to just or equal tempered?

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It’s equal temperament scale (each note’s frequency is 2^1/12 above the lower one) with 12 notes per octave, have a look at user guide for more details. Many people asked for open sourced version of the algo. I want to do it. Just need to think a little about how to do it properly, so that I can still build something on tops of it to “monetise” what I’ve been doing for a year now... (Everyone wants to do smth enjoyable in their life.) I’ll try to do it soon! Subscribe to email list, I’ll let everyone know.

If you don't already, you should check out the DSP forum at: https://www.kvraudio.com/forum/viewforum.php?f=33

Some of the world's finest audio devs hang out there - Urs Heckmann/u-he, Andy Simper/Cytomic, Alexsey Vaneev/Voxengo, Dave Gamble/DMG - and so do a bunch of amateurs and rand0s. Good discussions about both classic/novel audio DSP algorithms, and the challenges of monetization.

Thanks a lot! I've been to that website before, but forgot now. Will try to post there, and ask for discussion :)

And yes, it’s in C++ (can use from Objective-C, no problem).

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