How do I simulate a sound wave?

Open this page and use the live Sound Levels (dB) tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.

Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.

Can I use my own numbers?

Absolutely — every input is adjustable, and with data import you can drive a sound wave from your own measurements.

Use case · powered by Sound Levels (dB)

Sound Levels (dB) for a sound wave

Simulate a sound wave live in your browser. This runs the real Sound Levels (dB) solver — adjust the inputs, watch it respond instantly, and export the result. No install, no account.

For:Students Researchers Educators Engineers Hobbyists & Makers K-12 Students First Responders

Sound Levels (dB SPL)Live

adding & spreading loudness

Controls

Presets

Level per source at 1 m (dB)

Number of sources

Distance (m)

Decibels are logarithmic, so loudness does not add the way you expect: two identical sources are only 3 dB louder than one, and ten are 10 dB. Meanwhile a point source drops 6 dB every time the distance doubles (the inverse-square law). Sustained exposure above 85 dB risks hearing damage.

▶ Run in Python

Data Inspector

Combined at 1 m85.0 dB

At 4 m73.0 dB

Doubling sources+3 dB

Risksafe range

Governing equation

L = 85.0 - 20 lo g_{10} (4) = 73.0 dB

Reading this result: A single source falls from 85 dB to 73 dB across 4 m — about 6 dB lost each time the distance doubles.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

or unlock everything with Pro →

About this simulation

The full Sound Levels (dB) tool models a sound wave with the same numerics engineers and scientists use — running entirely client-side. Change any parameter and the result updates in real time, so you can build intuition, check a design, or teach the concept without spreadsheets or installs.

More you can do with Sound Levels (dB)

Sound Levels (dB) for a guitar string Sound Levels (dB) for a concert hall Sound Levels (dB) for a speaker Sound Levels (dB) for a drum head Sound Levels (dB) for a piano note Sound Levels (dB) for a noise barrier Sound Levels (dB) for a whisper gallery Sound Levels (dB) for a microphone

Other ways to simulate a sound wave

Beats for a sound wave Harmonic Series for a sound wave Equal Temperament for a sound wave Chladni Plates for a sound wave Helmholtz Resonator for a sound wave Room Modes for a sound wave

Frequently asked questions

How do I simulate a sound wave?: Open this page and use the live Sound Levels (dB) tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.
Is it free?: Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.
Can I use my own numbers?: Absolutely — every input is adjustable, and with data import you can drive a sound wave from your own measurements.