The Hidden Security Risks of Voice AI
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Voice AI systems can be covertly controlled by audio signals that are undetectable or unrecognizable to human listeners.
Signal Processing
Digital and analog signal processing techniques including transforms (DFT, FFT), filtering, spectral analysis, and related mathematical foundations.
Reading List
Škoda DuoBell: A bicycle bell that outsmarts even smart headphones - Škoda Storyboard
The Škoda DuoBell is a specialized bicycle bell designed to penetrate noise-canceling headphones to prevent accidents between cyclists and pedestrians.
Web Audio Studio: Visual Debugging for Browser Audio
An interactive browser-based tool for visualizing, debugging, and experimenting with Web Audio API signal chains in real time.
Cooley–Tukey: Turning the DFT into O(N log N) (and Why FFT ≠ DFT)
Cooley–Tukey factorizes and reindexes the DFT to turn O(N^2) work into O(N log N), forming the backbone of practical FFTs while clarifying that FFT = algorithm, DFT = result.