Tone Generator Quick Start Guides
Step-by-step guides for common use cases
These guides cover everything from tuning instruments and testing speakers to creating binaural beats and exploring relaxation tones. Whether you are running a frequency sweep to check your audio setup, generating reference tones for music practice, or using noise generators for focus and sleep, each guide walks you through the steps — all running directly in your browser with nothing to install.
Quick Guides
Music & Tuning
Music Tone Generator - Tune Your Instrument
Use reference tones to tune guitar, bass, violin, and more
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Musical Intervals - Frequency Ratios & Ear Training
Hear and compare all 12 chromatic intervals from unison to octave using the Dual Oscillator
View GuideAudio Testing
Frequency Sweep Mode Guide
Sweep through frequencies for speaker testing, hearing tests, and room acoustics
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How to Test Your Speakers
Check frequency response and channel balance of speakers and headphones
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Hearing Range Test — Explore Your Audible Frequency Range
Discover how high you can hear and learn about age-related hearing changes
View GuideTechnical & Learning
Musical Note Frequency Chart - Hz Reference Table
Complete reference table of all musical note frequencies from C0 to B8 in equal temperament (A4 = 440 Hz)
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DTMF Tone Generator - Phone Dial Tone Frequencies
Generate the dual-tone multi-frequency signals used in telephone keypads since 1963
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Understanding Sample Rate in Audio
How sample rate affects audio quality and frequency reproduction
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How to Embed the Tone Generator Widget
Add audio testing and tone generation to your website
View GuideWellness & Relaxation
White, Pink & Brown Noise Generator
Understanding the different types of audio noise and their uses
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Solfeggio Tone Generator - Meditation Frequencies
Ancient healing frequencies for relaxation and mindfulness
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Schumann Resonance (7.83 Hz) - Earth's Electromagnetic Frequency
Explore the 7.83 Hz electromagnetic resonance of the Earth-ionosphere cavity and how to experience it with audio
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Binaural Beats — Brain Entrainment With Two Tones
How binaural beats work, brainwave frequency bands, and session suggestions
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Brown Noise for Sleep — Deep, Rumbling Sound for Rest
What brown noise is, how it compares to white and pink noise, and tips for using it as a sleep aid
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Isochronal Tones — Rhythmic Pulses for Brainwave Entrainment
How isochronal tones work, how they compare to binaural beats, and brainwave frequency targets
View GuideAdvanced Modes
Dual Oscillator & Beat Frequencies
Create beat frequencies and binaural beats with two oscillators
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AM/FM Modulation
Create tremolo, vibrato, and warble effects with amplitude and frequency modulation
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Burst Mode & Envelopes
Generate repeated tone bursts with customizable envelopes for testing and timing
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Pulse Mode & Window Shapes
Generate continuous pulse trains for transient response testing and timing applications
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Reference Frequencies
440 Hz Tone Generator - A4 Concert Pitch
Generate the universal music tuning standard - A above middle C
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442 Hz Tone Generator - European Orchestral Pitch
The preferred tuning standard used by many European orchestras and soloists
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432 Hz Tone Generator - Alternative Tuning Standard
Explore the 432 Hz tuning standard and how it compares to concert pitch A440
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1000 Hz Tone Generator - Standard Reference Tone
Generate a pure 1 kHz sine wave - the universal audio test standard
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50 Hz Tone Generator - Low Frequency Sound
Generate a pure 50 Hz sine wave for subwoofer testing and mains hum identification
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