Building a Digital Filter: How it works + Simulation + Example

Everything important you need to know to start designing your own digital filters. Thank you very much C. Daniel Boschen. Links: - Daniel’s Linked In: - PCB Simulation vs. Real Board - DC Currents and Voltage drop - FEDEVEL courses: Links to Dan Boschen’s Courses: Other relevant links: Microchip MPLAB: Anaconda Distribution (includes Python tools and Jupyter Notebook): SAM E51 Curiosity Nano Evaluation Kit: PMOD I2S2 ADC/DAC: Music used in the demo: ISRC: USUAN1900041 Uploaded: 2019-12-18 credits: “Adding the Sun“ Kevin MacLeod () Licensed under Creative Commons: By Attribution 4.0 License Chapters: 00:00 What is this video about 00:40 Our example explained 04:19 How filters work 07:48 What is a digital filter 10:46 Basic elements of digital filters 13:08 How filters manipulate with signal 15:00 Feed-forward (FIR) filter 19:39 Feed-back (IIR) filter 23:36 Biquad - Second Order Section (SOS) 28:49 The hardware we used 33:09 DMA explained 42:30 Audio file before filtering 44:16 Calculating filter coefficients 47:03 Our filter frequency response 48:59 Audio file after filtering 49:59 Explained how our filter works 54:52 C code of our filter 57:49 Daniel’s courses 1:00:35 Setup for simulation - Jupyter and anaconda 1:05:14 Simulation - Initialization 1:10:38 Simulation - Showing the spectrum 1:13:04 Simulation - The filter 1:22:35 Simulation - Filtering audio file 1:25:47 Simulation - C code of filter 1:28:06 Explaining the code in microcontroller 1:34:33 The filter in C code of microcontroller 1:37:50 How to do this by yourself ------------------------------------------------------ Would you like to support me? It’s simple: - Sign up for online courses hosted on our platform: - You can also support me through Patreon: - FEDEVEL Discord: It is much appreciated. Thank you, - Robert