frequencyclock guides & articles
10 in-depth guides on Frequency Clock and related topics.
432 Hz vs 440 Hz
432 Hz vs 440 Hz
432 Hz vs 440 Hz: What the Tuning Debate Really Means
A balanced look at the 432 Hz versus 440 Hz tuning debate, explaining what concert pitch is, where the argument comes from, and why superiority claims remain unproven.
432 Hz vs 440 Hz
The History of A440: How We Agreed on Concert Pitch
The story of how musicians came to agree on 440 Hz as concert pitch, why tuning varied wildly for centuries, and the myths that have grown around the standard.
Frequency & hertz explained
Frequency & hertz explained
Are Healing Frequencies Real? A Skeptical, Honest Look
A skeptical, evidence-based examination of healing frequency and Solfeggio claims, explaining where the beliefs come from and why they remain unproven rather than fact.
Frequency & hertz explained
Sine vs Square Waves: Why Waveform Shape Changes Sound
How the shape of a sound wave changes what you hear, comparing pure sine tones with buzzy square and sawtooth waves, and why timbre matters as much as frequency.
Frequency & hertz explained
What Is Frequency? Hertz and Sound Waves Explained Simply
A plain-English explanation of what frequency and hertz really mean, how sound waves work, the human hearing range, and how to hear different frequencies yourself.
Tone generator uses
Tone generator uses
How to Tune an Instrument With a Reference Tone
A step-by-step guide to tuning any instrument by ear with a pure reference tone, from choosing the right frequency to matching pitch and avoiding common mistakes.
Tone generator uses
Playing a Background Tone While You Work or Focus
A practical look at using a steady background tone to mask distractions and aid focus while you work, with tips on frequency, volume, and honest expectations.
Testing speakers & hearing
Testing speakers & hearing
Online Hearing Range Test: Find Your High-Frequency Limit
How to run an informal hearing range test with a tone generator, find your high-frequency ceiling, understand what it means, and why it is no substitute for a real test.
Testing speakers & hearing
How to Test Your Speakers' Frequency Response With Tones
A hands-on guide to testing your speakers or headphones with pure tones, running a frequency sweep to find the limits, spotting buzzes and dead spots, and staying safe.