About This Tool
What is Tone Generator?
A tool for generating sound at a specified frequency and waveform. Useful for speaker testing, instrument tuning, hearing checks, and sound experiments. Supports four waveforms: sine, square, sawtooth, and triangle.
How to Use
- Enter the desired frequency (Hz) or select from presets.
- Choose a waveform (sine, square, etc.).
- Adjust the volume.
- Click 'Play' to generate the sound.
Key Features
- Free frequency setting
- Sine, square, sawtooth, and triangle waveforms
- Volume control
- Preset frequency options
Tips
- A4 (the note A) at 440Hz is the standard tuning reference.
- Sine waves produce the purest tone; square waves sound more electronic.
- Prolonged listening at high volume can damage hearing — use caution.
Tone Generator
Generate sound at a specified frequency
440 Hz
20 Hz20 kHz
Hz
Frequently Asked Questions
Faixa de audição humana?▼
20Hz a 20.000Hz. Diminui com idade, especialmente frequências altas.
O que é A4 = 440Hz?▼
Padrão de afinação. Lá central = 440Hz. Algumas orquestras usam 442-443Hz.
Pode danificar audição?▼
Volume alto por tempo prolongado pode causar danos. Mantenha volume baixo para teste seguro.
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