What are /r/sonification's favorite Products & Services?

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I don't know what sort of sonification rules you're looking to apply, or how much you'd want to get into programming, but Csound and ChucK are both reasonably good bets.

Csound compositions have two parts, an orchestra and a score. The score defines note events that are played by the instruments. If you are looking to trigger a note for each point in your data, this would work well: you'd steal or minimally modify an orchestra from one of the many examples, then write some sort of processor to produce the score from your data.

ChucK I'm just starting to learn myself, and would probably take more coding skills, but you can read arbitrary data into a ChucK program and do any number of things with it, not just trigger notes. (To be fair, in Csound a note event wouldn't have to literally trigger a note, because the "instruments" can do other things, but that's starting to get into some complicated coding territory.)