SpeechRecognition: soundstart event

The soundstart event of the Web Speech API is fired when any sound — recognizable speech or not — has been detected.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("soundstart", (event) => { })

onsoundstart = (event) => { }

Event type

A generic Event with no added properties.

Examples

You can use the soundstart event in an addEventListener method:

const recognition = new (SpeechRecognition || webkitSpeechRecognition)();

recognition.addEventListener("soundstart", () => {
  console.log("Some sound is being received");
});

Or use the onsoundstart event handler property:

recognition.onsoundstart = () => {
  console.log("Some sound is being received");
};

Specifications

Browser compatibility

See also

• Web Speech API