Digital Audio Processing with STM32 #1 - Introduction and Filters - Phil's Lab #46
Real-time digital processing (DSP) of audio data using an STM32 microcontroller on custom audio-processing hardware. Details of hardware design, software set-up, and various digital audio effects. First video in series, covering the system overview, set-up, and simple low- and high-pass filters (IIR, based on analogue RC prototypes).
Chapters:
- 00:00Introduction
- 00:25Content
- 01:48Series Overview
- 02:35Mixed-Signal Hardware Design Course with KiCad
- 02:57Hardware Overview
- 05:25Software Overview
- 08:33Double Buffering
- 09:34STM32CubeIDE and Basic Firmware
- 14:20Low-Pass Filter Theory
- 18:48Low-Pass Filter Code
- 22:44Test Set-Up (Digilent ADP3450)
- 23:44Testing the Filter (WaveForms, Frequency Response, Time Domain)
- 27:17High-Pass Filter Theory and Code
- 28:22Testing the Filters
- 30:35Live Demo - Electric Guitar
