Audio EQ Software Implementation (STM32) - Phil's Lab #89
Peaking filter theory and real-time implementation on an STM32 microcontroller. Useful for audio equalizers (EQ) and situations where frequency response adjustments are required.
Chapters:
- 00:00Introduction
- 01:19Hardware Overview + Tag-Connect
- 04:01Peaking Equalizer Filter Basics
- 06:59Transfer Function (Analogue Prototype)
- 09:12Matlab Demo (Varying Parameters)
- 10:56Discretisation (Analogue to Digital)
- 13:23Filter Difference Equation
- 14:24Filter Coefficients
- 15:19Pre-Warping
- 16:41Implementation Tips
- 18:03Software Implementation (STM32)
- 25:08Test Set-Up
- 26:17Frequency Response Tests (Varying Parameters)
- 28:56Audio Demo
- 29:13Outro