Frequency Tone Generator

Generate precise audio tones for testing and calibration

440 Hz
50%

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

  1. Adjust the frequency slider to set the desired tone
  2. Use the amplitude slider to control the volume
  3. Click the Play/Stop button to control the tone
  4. 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