SpeechRecognitionResult
Experimental: これは実験的な機能です。
本番で使用する前にブラウザー互換性一覧表をチェックしてください。
The SpeechRecognitionResult
interface of the Web Speech API represents a single recognition match, which may contain multiple SpeechRecognitionAlternative
objects.
Properties
SpeechRecognitionResult.isFinal
読取専用-
A
Boolean
that states whether this result is final (true) or not (false) — if so, then this is the final time this result will be returned; if not, then this result is an interim result, and may be updated later on. SpeechRecognitionResult.length
(en-US) 読取専用-
Returns the length of the "array" — the number of
SpeechRecognitionAlternative
objects contained in the result (also referred to as "n-best alternatives".)
Methods
SpeechRecognitionResult.item
(en-US)-
A standard getter that allows
SpeechRecognitionAlternative
objects within the result to be accessed via array syntax.
Examples
This code is excerpted from our Speech color changer example.
recognition.onresult = function(event) {
// The SpeechRecognitionEvent results property returns a SpeechRecognitionResultList object
// The SpeechRecognitionResultList object contains SpeechRecognitionResult objects.
// It has a getter so it can be accessed like an array
// The first [0] returns the SpeechRecognitionResult at position 0.
// Each SpeechRecognitionResult object contains SpeechRecognitionAlternative objects that contain individual results.
// These also have getters so they can be accessed like arrays.
// The second [0] returns the SpeechRecognitionAlternative at position 0.
// We then return the transcript property of the SpeechRecognitionAlternative object
var color = event.results[0][0].transcript;
diagnostic.textContent = 'Result received: ' + color + '.';
bg.style.backgroundColor = color;
}
Specifications
Specification |
---|
Web Speech API # speechreco-result |
Browser compatibility
BCD tables only load in the browser
Firefox OS permissions
To use speech recognition in an app, you need to specify the following permissions in your manifest:
"permissions": {
"audio-capture" : {
"description" : "Audio capture"
},
"speech-recognition" : {
"description" : "Speech recognition"
}
}
You also need a privileged app, so you need to include this as well:
"type": "privileged"