Sine Wave Generator
Generate and analyze pure sine wave audio in real time.
Real-Time Oscilloscope
Frequency Spectrum Analyzer
y(t) = A × sin(2πft + φ)
Wave Settings
Online Sine Wave Generator – Generate Pure Sine Wave Tones
An Online Sine Wave Generator is a free tool that allows you to create and play pure sine wave tones directly in your web browser. You can adjust the frequency, amplitude, phase, and playback volume to generate different sound frequencies for audio testing, experiments, and educational purposes.
Our sine wave generator also includes a real-time oscilloscope and frequency spectrum visualization, allowing you to observe how the generated signal behaves.
Key Features of the Sine Wave Generator
- Generate sine wave tones from 20 Hz to 20,000 Hz.
- Easily adjust frequencies across the audible range.
- Amplitude Control
- Phase Adjustment
- Real-Time Oscilloscope
- Frequency Spectrum
- Quickly select common frequencies such as 100 Hz, 440 Hz, 1 kHz, and 5 kHz.
- Generate and download your sine wave as a WAV audio file.
- Choose from different sample rates, including 22,050 Hz, 44,100 Hz, 48,000 Hz, and 96,000 Hz.
How to Use the Online Sine Wave Generator
Follow these simple steps to generate a sine wave:
- Set the Frequency
- Adjust the Amplitude
- Set the Phase
- Adjust Playback Volume
- Play the Tone
- View the Visualizations
- Select the duration and sample rate, then download the generated WAV file.
What Is a Sine Wave?
A sine wave is a smooth, periodic waveform that repeats its shape over time. It is commonly used in mathematics, physics, electronics, and audio engineering.
In audio, a sine wave represents a pure tone with a single fundamental frequency. For example, a 440 Hz sine wave completes 440 cycles every second and is commonly used as the musical tuning reference for the note A4.
Frequently Asked Questions (FAQ)
What is an online sine wave generator?
An online sine wave generator is a browser-based tool that creates pure sine wave audio tones. You can adjust the frequency, amplitude, and phase to generate different tones without installing additional software and download sine wave tone with different frequency
What frequency range does this tool support?
The tool supports frequencies from 20 Hz to 20,000 Hz..
What is the difference between frequency and amplitude?
Frequency determines how many times a waveform repeats every second, measured in Hertz (Hz). Amplitude determines the strength or height of the waveform and is related to the signal level.
What sample rate should I choose?
For most applications, 44,100 Hz is a good choice. You can select 48,000 Hz for video-related audio or 96,000 Hz for high-resolution audio work.
Can I download the generated sine wave?
Yes. You can generate and download the sine wave as a WAV audio file. You can select the audio duration and sample rate before downloading.