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Video transcript and summary: blog.mikebourgeous.com/2021/1...
An overview of digital sampling, the FFT (Fast Fourier Transform), and analytic signals, a brief review of filters, plus a preview of the next video's subject.
I initially set out to explain analytic signals using modifications to my synthesizer from episode 2, but realized I needed to recap regular non-analytic digital signals first and explain more about the FFT/DFT (which is part of one way of generating an analytic signal), and will look more at analytic signals and the upgraded synthesizer in the next video.
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Timestamps:
0:00 Intro
0:59 Digital sampling
4:31 Fast Fourier Transform and analytic signals
8:28 Filters
9:18 Synthesizer preview
10:05 Synthesizer demo song
11:14 Outro
References:
- en.wikipedia.org/wiki/Fast_Fo...
- en.wikipedia.org/wiki/Discret...
- en.wikipedia.org/wiki/Analyti...