Online Tone Generator
Generate precise audio frequencies with full control over waveform, volume, and panning
Audio Testing & Tone Generation Tools
- Generate pure tones from 20 Hz to 20 kHz (full audible range)
- Choose between sine, square, triangle, and sawtooth waveforms
- Fine-tune frequency with precise controls (±1 Hz and ±2x adjustments)
- Adjust stereo panning for spatial audio testing
- Real-time frequency visualization with logarithmic scale
Audio Testing & Sound System Applications
Audio Equipment Testing
Test speakers, headphones, and audio systems across the frequency spectrum. Different waveforms help identify distortion, frequency response issues, and audio artifacts.
Instrument Tuning
Use pure sine waves as reference tones for tuning musical instruments. The precise frequency control ensures accurate tuning to any desired pitch.
Sound System Setup
Calibrate crossover points, test frequency ranges, and balance stereo systems. The panning control helps verify proper channel separation and speaker placement.
Educational Use
Demonstrate acoustic principles, wave physics, and audio fundamentals. Different waveforms provide visual and audible examples of sound synthesis basics.
Understanding Audio Waveforms & Their Uses
Sine Wave
The purest form of sound, perfect for hearing tests and precise frequency measurements. Contains no harmonics, making it ideal for basic audio testing and tuning.
Square Wave
Rich in odd harmonics, useful for testing audio equipment response and synthesizer effects. Excellent for checking system linearity and distortion.
Triangle Wave
Softer than square waves but still harmonically rich. Good for testing audio systems with a more gentle harmonic content. Useful for synthesis and modulation.
Sawtooth Wave
Contains both odd and even harmonics, ideal for comprehensive frequency response testing. Perfect for evaluating full-range speakers and audio systems.
Audio Frequency Ranges & Testing Guide
Low Frequency Range (20-200 Hz)
Test subwoofers and bass response. Verify proper reproduction of deep bass frequencies and identify room resonances.
Mid Frequency Range (200-2000 Hz)
Evaluate vocal clarity and musical instrument fundamentals. Critical for testing main speakers and ensuring proper crossover settings.
High Frequency Range (2-20 kHz)
Check treble response and high-frequency extension. Important for testing tweeters and overall system brightness.
Note: Start with low volume levels and increase gradually. High-frequency tones and certain waveforms can be intense at high volumes. Always protect your hearing and audio equipment when testing.