What is frequency-division multiplexing (FDM) and how does it work?

Multiplexing in communication Multiplexing | FDM | TDM | CDM

Banah Winn on Instagram: "🔱 This is 432 Hz Golden Ratio — it can reset your brain. Most “healing music” online feels nice… but the real frequencies are buried under layers of sound — so your body never actually receives the benefit. These tones are different. They’re built using the Golden Ratio (1.618…) — the same mathematical pattern found in seashells, galaxies, flowers, pinecones, and even your DNA. It’s nature’s blueprint for harmony turned into sound. When you listen, something shifts: 🧠