Building a Digital Filter: How it works + Simulation + Example
Everything important you need to know to start designing your own digital filters.
Chapters:
- 00:00What is this video about
- 00:40Our example explained
- 04:19How filters work
- 07:48What is a digital filter
- 10:46Basic elements of digital filters
- 13:08How filters manipulate with signal
- 15:00Feed-forward (FIR) filter
- 19:39Feed-back (IIR) filter
- 23:36Biquad - Second Order Section (SOS)
- 28:49The hardware we used
- 33:09DMA explained
- 42:30Audio file before filtering
- 44:16Calculating filter coefficients
- 47:03Our filter frequency response
- 48:59Audio file after filtering
- 49:59Explained how our filter works
- 54:52C code of our filter
- 57:49Daniel's courses
- 1:00:35Setup for simulation - Jupyter and anaconda
- 1:05:14Simulation - Initialization
- 1:10:38Simulation - Showing the spectrum
- 1:13:04Simulation - The filter
- 1:22:35Simulation - Filtering audio file
- 1:25:47Simulation - C code of filter
- 1:28:06Explaining the code in microcontroller
- 1:34:33The filter in C code of microcontroller
- 1:37:50How to do this by yourself
