Designing a simple audio compressor from scratch

Build your own as a DIY kit: https://www.ericasynths.lv/edu-diy-co... Support the channel... ... through Patreon:   / moritzklein   ... by buying my other DIY kits: https://www.ericasynths.lv/catalogsea... Simulation in CircuitJS: https://tinyurl.com/2qj8o66t Subtractor op amp explanation:    • Designing a classic transistor-VCA from sc...   In this episode, we'll DIY our way towards a simple audio compressor circuit, based on my diode VCA. If you want to build along, here's the bill of materials: 1x TL074 quad op amp 1x TL072 dual op amp 11x 1N4148 small signal diode 1x 10 uF capacitor 1x 100k log potentiometer 2x 100k lin potentiometer 1x 20k lin potentiometer 10x 100k resistor 2x 20k resistor 2x 14k resistor 1x 4k7 resistor 1x 1k resistor Chapters 00:00 Intro & what is compression? 04:21 Rough circuit structure 06:12 Diode VCA 09:48 Peak detector 14:19 Voltage subtractor 16:24 The gap & how to get rid of it 21:34 The ratio control 23:32 Attack & release 27:45 Sidechaining & outro