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Audio Frequency Generator
Generate pure path audio tones. Test your hearing range, tune instruments, or check your audio equipment.
440 Hz
Hearing Test Guide
20 Hz - 20,000 Hz: This is the standard theoretical limit of human hearing.
- 20Hz - 60Hz: Deep Bass (Subwoofer range).
- 60Hz - 250Hz: Bass (Rhythm section like Drums, Bass Guitar).
- 2kHz - 5kHz: Most sensitive human hearing adjustment (Speech clarity).
- 12kHz+: High Treble. Many adults lose hearing above 15kHz with age.
Waveform Types
- Sine: Purest tone, smooth sound. No harmonics.
- Square: Harsh, buzzy, game-boy style sound. Odd harmonics.
- Triangle: Between sine and square. Softer buzz.
- Sawtooth: Sharp, buzzy. Creates rich harmonics (Synthesizers).