Frequency Tone Generator
Generate precise audio tones for testing and calibration
Frequency (Hz)
440 Hz
Amplitude
50%
Play Tone
Common Frequencies
A4 (Standard tuning): 440 Hz
C4 (Middle C): 261.63 Hz
E4: 329.63 Hz
G4: 392.00 Hz
B4: 493.88 Hz
How to Use the Tone Generator
Adjust the frequency slider to set the desired tone
Use the amplitude slider to control the volume
Click the Play/Stop button to control the tone
Try different frequencies to explore the range
Common Frequencies
440 Hz - Standard A4 note
880 Hz - A5 note (one octave higher)
220 Hz - A3 note (one octave lower)
1000 Hz - Common test frequency
20 Hz - Lower limit of human hearing
20000 Hz - Upper limit of human hearing
Applications
Audio equipment testing
Hearing tests
Sound system calibration
Musical instrument tuning
Acoustic testing
Sound design
Frequency response testing
Safety Tips
Start with low volume
Use appropriate speakers/headphones
Take breaks to prevent ear fatigue
Be mindful of high frequencies
Consider your environment
Protect your hearing