Delay-Based Audio FX Software Implementation (DSP with STM32) - Phil's Lab #140

Software implementation of a digital delay effect in C on a real-time STM32-based embedded DSP system. Theory of IIR comb filters, delay parameters, and modelling. PCBs by PCBWay https://www.pcbway.com [SUPPORT] Hardware design courses: https://phils-lab-shop.fedevel.education Course content: https://www.phils-lab.net/courses Patreon: https://www.patreon.com/phils94 [GIT] https://www.github.com/pms67 [SOCIAL] https://www.instagram.com/philslabyt [LINKS] Comb Filter & Delay Lines: https://youtu.be/YpbTlZAOmyA Z-Transform: https://youtu.be/5Z3KAKs-EZs [TIMESTAMPS] 00:00 Introduction 01:07 PCBWay 01:44 Hardware 04:52 Delay Line 06:58 Delay Block Diagram and Parameters 09:34 Advanced Delay Structures 11:14 Practical Considerations 14:30 C Implementation 22:30 Test Set-Up 22:52 Frequency Response Measurement 24:54 Demo with Guitar 27:35 Outro