In this main page you’ll find articles, by category, related to different types of audio signals. SectionsArticle categoriesColors of noise & test tonesMusic signal formats Article categories Colors of noise & test tones Pink Noise Vs White Noise Vs Brown Noise Differences (With Samples) Learn about pink noise vs white noise vs brown noise differences, plus much more. What is pink noise, white noise, and brown noise? What are they used for? Music signal formats Mono Vs Stereo Sound – The Difference And Why It Matters Confused about mono and stereo sound? This guide explains everything you need to know, including how to identify mono vs stereo signals and connectors.