2024-08-10

[public] 73.2K views, 25.6K likes, dislikes audio only

Sebastian Lague

Some small experiments with sound, and learning how to break signals down into their component frequencies by implementing the Discrete Fourier Transform.

Links:

● Project files: https://github.com/SebLague/Fourier-Transform

● Support my work on:

-- Patreon: https://www.patreon.com/SebastianLague

-- Ko-Fi: https://ko-fi.com/sebastianlague

● Coding Adventures Playlist: https://youtube.com/playlist?

list=PLFt_AvWsXl0ehjAfLFsp1PGaatzAwo0uK&si=LQBQOcF_F0Cxnzj_

● Fluid Sim video: /youtube/video/rSKMYc1CQHE

● @3blue1brown video: /youtube/video/spUNpyF58BY

● Music Credits: https://github.com/SebLague/Misc-Project-Info/blob/main/Coding-Adventures/FourierTransform

Chapters:

00:00 Intro

00:48 Dot Wav

03:05 Waveform

04:24 Playing a Sound

05:03 Wave Simulation

10:31 Speed Change

12:38 Signal Generation

17:14 Fourier Vis (single frequency)

23:31 Fourier Vis (multiple frequencies)

28:01 First Attempt at DFT

31:39 The Nyquist Rate

35:14 Frequency Resolution

37:25 DFT Implementation

39:31 Testing the DFT Function

42:41 Outro