Tremolo Effect - Digital Audio Processing with STM32 #3 - Phil’s Lab #51
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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