slow, limited Fourier transform and it's inverse

Hi,
Why does the reconstructed signal sound odd?
Above: 5 sample discard downsample, original rate 44100.
Audio attached: 2 sample discard downsample, original rate 44100.
Both audio inputs are recorded with a usb dac.
[ - ]
Reply by ●April 8, 2018

How to attach a file?