leios / Fable.jl

General purpose animations via iterated function systems
MIT License
28 stars 4 forks source link

Notes on audio visualization #3

Open leios opened 2 years ago

leios commented 2 years ago

Notes on Audio visualization

  1. We can plot frequencies with FFT a. what window function should we use: https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows b. Should we use Goertzel: https://en.wikipedia.org/wiki/Goertzel_algorithm
  2. In visualization of frequencies, resonance is structural and can be found by sweeping through all notes: https://boomspeaker.com/speaker-resonant-frequency/#Free_Air_Resonance
  3. pitch analysis -> visual