Signal Processing EP15: Opera Acoustics and the Singer's Formant EP19: Vibrato as FM Synthesis EP22: How AI Writes Music — EnCodec and RVQ EP28: Your Microphone Is a Damped Oscillator EP30: The Sampling Theorem Is Not What You Think EP31: The Warmth of Moog Has an Equation EP32: Chebyshev Waveshaping — Buchla and West Coast Synthesis EP33: One Delay Line, One String — Physical Modeling EP34: The Bessel Secret of the DX7 — FM Synthesis Mathematics EP35: The Phase Vocoder — Mathematics of Pitch Shifting EP36: Quanta of Sound — Gabor and the Uncertainty Principle EP37: Your EQ Moves Poles — Biquad Filters EP38: Reverberation Is Matrix Multiplication EP39: How Spotify Knows You Are Too Loud — The LUFS Algorithm EP40: What MP3 Deletes — Psychoacoustics and MDCT EP41: The Mathematics of Source Separation — NMF to Demucs EP42: Chord Recognition — From Chroma Vectors to Viterbi Decoding