Notch Filters - Digital Audio Processing with STM32 #2 - Phils Lab #49

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30 Aug 2024

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Mixed-signal hardware design course: Real-time digital processing (DSP) of audio data using an STM32 microcontroller in C on custom audio-processing hardware. Second video in series, covering notch filter basics, software implementation with variable filter parameters, and a live demo with an electric guitar. [SUPPORT] Free trial of Altium Designer: PCBA from $0 (Free Setup, Free Stencil): Patreon: [LINKS] DSP Playlist: STM32 Playlist: Notch Filter Video: Previous DSP Video: GitHub: Digilent ADP3450: [TIMESTAMPS] 00:00 Introduction 00:48 Previous Video and PCB Overview 01:26 JLCPCB and Git Repo 02:03 Altium Designer Free Trial 02:21 Hardware Overview 02:48 Notch Filter Theory Recap 05:59 Code Overview (STM32CubeIDE) 06:30 Notch Filter Header 07:42 Notch Filter Source 09:10 main.c 09:44 Variable Filter Parameters 10:39 Test Set-Up Overview 11:40 Live Filter Analysis (Frequency- and Time-Domain) 15:39 Live Guitar Demo ID: QIBvbJtYjWuHiTG0uCoK

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