freqency analyser using fft question

Pixilang programming language
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philipbergwerf
Posts: 174
Joined: Sat Mar 17, 2018 4:23 pm

freqency analyser using fft question

Post by philipbergwerf »

I have seen a frequency analyser called Spectroid and there are many more that give you a fluent spectrum analyser view and detects the pitch. I want to make for now this app in pixilang. But when doing fft using the built in fft() the result is wobbling even when feeding a static tone. The peaks are wobbling and not precise. What can i do to improve this analyzer? I want to understand why the result is wobbling. What is happening?
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pitch_detector.pixi
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