๐ตAUDIO FREQUENCY & WAVE SYNTHESIZERโขWeb Audio Oscillator
Frequency Tone Generator
Synthesize pure harmonic soundwaves from 20 Hz (sub-bass) to 20,000 Hz (ultrasonic) with live waveform oscilloscope, octave shifting, and concert pitch detection.
Acoustic Synthesizer
Frequency Tone Generator & Waveform Oscilloscope
Synthesize pure harmonic soundwaves from 20 Hz to 20,000 Hz with visual waveform inspection.
Click "Start Tone" to view live oscillating waveform
Sine Wave โฟ | 440 Hz
440 Hz
Concert Pitch A4
20 Hz (Sub-Bass)1,000 Hz20,000 Hz (Ultrasonic)
Master Output Volume:30%
โฑ๏ธ
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Acoustic Human Hearing Bands & Frequency Spectrum Reference
| Band | Frequency Range | Description & Perception |
|---|---|---|
| Sub-Bass | 20 โ 60 Hz | Deep rumble, felt in chest rather than heard; requires subwoofers |
| Bass | 60 โ 250 Hz | Kick drums, bass guitars, vocal fundamentals for low male voices |
| Low Midrange | 250 โ 500 Hz | Warmth and body for most acoustic instruments |
| Midrange | 500 โ 2,000 Hz | Speech intelligibility, telephone band, human ear most sensitive range |
| Upper Midrange | 2,000 โ 4,000 Hz | Vocal clarity and attack; harshness if excessively amplified |
| Presence / Highs | 4,000 โ 6,000 Hz | Acoustic clarity, crispness, and instrument definition |
| Brilliance / Air | 6,000 โ 20,000 Hz | Sparkle, airiness, cymbal sizzle; natural roll-off above 15 kHz with age |