Digital Signal Processing quizzes

How digital filters use arithmetic to reduce noise, separate frequencies, and reshape signals.

1 quiz

Digital Signal Processing: Filters Made of Pure Arithmetic

Difference equations, the FFT, FIR and IIR filters and spectral estimation: how adding and multiplying numbers reshapes sound, images and radio.
50 questions

The whole quiz comes before your apps

BrainTok asks a few questions like these before the apps you choose open, so your screen time turns into learning. For iPhone.