Test a Silent First Web Audio Play With a Real Click

If the first sound is silent and a Play button works, test autoplay policy before replacing the file or rebuilding your audio graph. A site that already has playback permission may behave differently from a fresh profile.

Keep the clip and signal path fixed

Use a fresh browser profile and a short clip that you have already checked for decoding. Record the AudioContext state at page load. Add a visible Play button. Call resume inside its click handler, log the state and promise outcome, and schedule the comparison playback once the context is running. A scripted click is a poor substitute for the real gesture in this experiment.

Follow the observed result

• If the context starts suspended and the click produces sound, keep a clear user-initiated path and record the browser and site settings.
• If it is running and you still hear silence, inspect the decoded buffer, output connection, gain, and device mute setting. Compare a known-good clip through the same path.
• If only an embedded page fails, compare the same test as a top-level page and inspect the embedding page’s autoplay permissions.

For acceptance, check the first click after a fresh load and a second play in the same session. Repeat on a supported mobile browser and record what you can actually hear.

Prepare a sample with the Tooliva asset tool, then run the checks in your own project.