to whom it may concern…
I found the following bug in the spectrum analyser tutorial file:
in the pushNextSampleIntoFifo method it should not be
if (fifoIndex == fftSize)
but
if (fifoIndex == fftSize - 1)
Otherwise the fft-result might be 1 block shifted, like in my case:

instead of

maybe it would be nice to change it in the tutorial…
greetings,
Michael
