SpeechRecognition: start() method
The start()
method of the Web Speech API starts the speech
recognition service listening to incoming audio with intent to recognize grammars
associated with the current SpeechRecognition
.
Syntax
js
start()
Parameters
None.
Return value
None (undefined
).
Examples
js
const grammar =
"#JSGF V1.0; grammar colors; public <color> = aqua | azure | beige | bisque | black | blue | brown | chocolate | coral | crimson | cyan | fuchsia | ghostwhite | gold | goldenrod | gray | green | indigo | ivory | khaki | lavender | lime | linen | magenta | maroon | moccasin | navy | olive | orange | orchid | peru | pink | plum | purple | red | salmon | sienna | silver | snow | tan | teal | thistle | tomato | turquoise | violet | white | yellow ;";
const recognition = new SpeechRecognition();
const speechRecognitionList = new SpeechGrammarList();
speechRecognitionList.addFromString(grammar, 1);
recognition.grammars = speechRecognitionList;
const diagnostic = document.querySelector(".output");
const bg = document.querySelector("html");
document.body.onclick = () => {
recognition.start();
console.log("Ready to receive a color command.");
};
abortBtn.onclick = () => {
recognition.abort();
console.log("Speech recognition aborted.");
};
recognition.onspeechend = () => {
recognition.stop();
console.log("Speech recognition has stopped.");
};
Specifications
Specification |
---|
Web Speech API # dom-speechrecognition-start |
Browser compatibility
BCD tables only load in the browser