macos, Core Audio, AVFoundation (in: u-he)

By: Urs
28 Jun 09:01

I’m quite happy using autocorrelation. So you basically try to guess the pitch of the incoming signal, and then you move your read pointer for the next update only in multiples of the sample length of the detected pitch. So if your pitch is 440hz and your sample rate is 44.1k, your cycle length is 100 samples. So hopefully you have buffered your input for a good number of samples, and you move your read position as close to “now” as it gets by increasing it in steps of 100 samples.

Autocorrela…

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