SpeechRecognition: start() Methode

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Die start()-Methode der Web Speech API startet den Spracherkennungsdienst, der eingehende Audiosignale abhört, um Grammatik zu erkennen, die mit der aktuellen SpeechRecognition verbunden ist.

Syntax

js
start()

Parameter

Keine.

Rückgabewert

Kein Wert (undefined).

Beispiele

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.");
};

Spezifikationen

Specification
Web Speech API
# dom-speechrecognition-start

Browser-Kompatibilität

BCD tables only load in the browser

Siehe auch