Tremolo Effect - Digital Audio Processing with STM32 #3 - Phils Lab #51

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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. Third video in series, covering the tremolo effect. Essentially, amplitude modulation of the audio waveform using a low-frequency oscillator (LFO). In this video, we’ll be using a triangular waveform modulator. Including live guitar demo. [SUPPORT] Free trial of Altium Designer: PCBA from $0 (Free Setup, Free Stencil): Patreon: [LINKS] DSP Playlist: STM32 Playlist: Notch Filter Video: First DSP Video: GitHub: Digilent ADP3450: [TIMESTAMPS] 00:00 Introduction 00:41 Previous Videos 01:02 Altium Designer Free Trial 01:20 Hardware Platform 01:57 JLCPCB and Git Repo 02:20 Test Set-Up and Hardware Overview 03:20 Tremolo Effect Overview 04:22 Tremolo Block Diagram 05:43 Tremolo Equation 06:16 Generating the LFO Triangle Wave 07:43 Tremolo.h (Header) 08:50 Tremolo.c (Source) 11:07 main.c 12:30 Time-Domain Analysis (WaveForms) 14:28 Frequency-Domain Analysis (WaveForms) 16:22 Guitar Demo ID: QIBvbJtYjWuHiTG0uCoK

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