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stuerp / foo_vis_spectrum_analyzer

A foobar2000 component that displays a spectrum analyzer.
MIT License
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Lanczos interpolation looks wrong #60

Open TF3RDL opened 2 months ago

TF3RDL commented 2 months ago

On FFT mode especially on lower frequencies, the Lanczos-interpolated part should look like this: musical spectrum of 50hz where a 50Hz pure tone is played, as shown in a post on HydrogenAudio forum

But right now, it looks wrong (it might display multiple Gaussian-like peaks within very narrow frequency range surrounding actual peaks) as screenshots of this component show

Sorry if I confused you

TF3RDL commented 2 months ago

Which something like this in this component currently: 10 seconds of 50hz tone foobar2000 13-May-24 5_42_27 AM