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Faulty frequencies in Sigma Studio

Question asked by LA6NCA on Feb 4, 2016
Latest reply on Feb 8, 2016 by mmmike

I have chosen Fs to 48 kHz.

All filters in the Sigma Studio have actually a frequency that is four times the value.

A filter at 250 Hz has really a frequency of 1000Hz.

So I switch the Fs to 192 kHz.

Then all filters were correct.

Why does not 48kHz work corect?

I use an ADAU1701 DSP.