Represents a voice that the system supports.Įvery SpeechSynthesisVoice has its own relative speech service including information about language, name and URI. Google Cloud Speech-to-Text API enables developers to convert audio to text in 120 languages and variants, by applying powerful neural network models in an easy to use API.
JAVASCRIPT SPEECH TO TEXT API HOW TO
It contains the content the speech service should read and information about how to read it (e.g. SpeechSynthesisEventĬontains information about the current state of SpeechSynthesisUtterance objects that have been processed in the speech service. SpeechSynthesisErrorEventĬontains information about any errors that occur while processing SpeechSynthesisUtterance objects in the speech service. The controller interface for the speech service this can be used to retrieve information about the synthesis voices available on the device, start and pause speech, and other commands besides. You can get these spoken by passing them to the SpeechSynthesis.speak() method.įor more details on using these features, see Using the Web Speech API. Speech synthesis is accessed via the SpeechSynthesis interface, a text-to-speech component that allows programs to read out their text content (normally via the device's default speech synthesizer.) Different voice types are represented by SpeechSynthesisVoice objects, and different parts of text that you want to be spoken are represented by SpeechSynthesisUtterance objects.
Grammar is defined using JSpeech Grammar Format ( JSGF.) The SpeechGrammar interface represents a container for a particular set of grammar that your app should recognize. Generally you'll use the interface's constructor to create a new SpeechRecognition object, which has a number of event handlers available for detecting when speech is input through the device's microphone. Speech recognition is accessed via the SpeechRecognition interface, which provides the ability to recognize voice context from an audio input (normally via the device's default speech recognition service) and respond appropriately.
The Web Speech API is actually separated into two totally independent interfaces. To showcase the ability of the API we are going to build a simple voice-powered note app. The Web Speech API makes web apps able to handle voice data. Converting from Speech to Text with JavaScript The App.
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