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<p align="center"><br><img src="https://user-images.githubusercontent.com/236501/85893648-1c92e880-b7a8-11ea-926d-95355b8175c7.png" width="128" height="128" /></p> <h3 align="center">Text to Speech</h3> <p align="center"><strong><code>@capacitor-community/text-to-speech</code></strong></p> <p align="center"> Capacitor community plugin for synthesizing speech from text. </p> <p align="center"> <img src="https://img.shields.io/maintenance/yes/2024?style=flat-square" /> <a href="https://github.com/capacitor-community/text-to-speech/actions?query=workflow%3A%22CI%22"><img src="https://img.shields.io/github/actions/workflow/status/capacitor-community/text-to-speech/ci.yml?branch=master&style=flat-square" /></a> <a href="https://www.npmjs.com/package/@capacitor-community/text-to-speech"><img src="https://img.shields.io/npm/l/@capacitor-community/text-to-speech?style=flat-square" /></a> <br> <a href="https://www.npmjs.com/package/@capacitor-community/text-to-speech"><img src="https://img.shields.io/npm/dw/@capacitor-community/text-to-speech?style=flat-square" /></a> <a href="https://www.npmjs.com/package/@capacitor-community/text-to-speech"><img src="https://img.shields.io/npm/v/@capacitor-community/text-to-speech?style=flat-square" /></a> <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section --> <a href="#contributors-"><img src="https://img.shields.io/badge/all%20contributors-1-orange?style=flat-square" /></a> <!-- ALL-CONTRIBUTORS-BADGE:END --> </p>

Maintainers

MaintainerGitHubSocial
Robin Genzrobingenz@robin_genz

Installation

npm install @capacitor-community/text-to-speech
npx cap sync

Configuration

No configuration required for this plugin.

Demo

A working example can be found here: robingenz/capacitor-plugin-demo

Usage

import { TextToSpeech } from '@capacitor-community/text-to-speech';

const speak = async () => {
  await TextToSpeech.speak({
    text: 'This is a sample text.',
    lang: 'en-US',
    rate: 1.0,
    pitch: 1.0,
    volume: 1.0,
    category: 'ambient',
  });
};

const stop = async () => {
  await TextToSpeech.stop();
};

const getSupportedLanguages = async () => {
  const languages = await TextToSpeech.getSupportedLanguages();
};

const getSupportedVoices = async () => {
  const voices = await TextToSpeech.getSupportedVoices();
};

const isLanguageSupported = async (lang: string) => {
  const isSupported = await TextToSpeech.isLanguageSupported({ lang });
};

API

<docgen-index> </docgen-index> <docgen-api> <!--Update the source file JSDoc comments and rerun docgen to update the docs below-->

speak(...)

speak(options: TTSOptions) => Promise<void>

Starts the TTS engine and plays the desired text.

ParamType
options<code><a href="#ttsoptions">TTSOptions</a></code>

stop()

stop() => Promise<void>

Stops the TTS engine.


getSupportedLanguages()

getSupportedLanguages() => Promise<{ languages: string[]; }>

Returns a list of supported BCP 47 language tags.

Returns: <code>Promise<{ languages: string[]; }></code>


getSupportedVoices()

getSupportedVoices() => Promise<{ voices: SpeechSynthesisVoice[]; }>

Returns a list of supported voices.

Returns: <code>Promise<{ voices: SpeechSynthesisVoice[]; }></code>


isLanguageSupported(...)

isLanguageSupported(options: { lang: string; }) => Promise<{ supported: boolean; }>

Checks if a specific BCP 47 language tag is supported.

ParamType
options<code>{ lang: string; }</code>

Returns: <code>Promise<{ supported: boolean; }></code>


openInstall()

openInstall() => Promise<void>

Verifies proper installation and availability of resource files on the system.

Only available for Android.


Interfaces

TTSOptions

PropTypeDescriptionDefault
text<code>string</code>The text that will be synthesised when the utterance is spoken.
lang<code>string</code>The language of the utterance. Possible languages can be queried using getSupportedLanguages.<code>"en-US"</code>
rate<code>number</code>The speed at which the utterance will be spoken at.<code>1.0</code>
pitch<code>number</code>The pitch at which the utterance will be spoken at.<code>1.0</code>
volume<code>number</code>The volume that the utterance will be spoken at.<code>1.0</code>
voice<code>number</code>The index of the selected voice that will be used to speak the utterance. Possible voices can be queried using getSupportedVoices.
category<code>string</code>Select the iOS Audio session category. Possible values: ambient and playback. Use playback to play audio even when the app is in the background. Only available for iOS.<code>"ambient"</code>

SpeechSynthesisVoice

The <a href="#speechsynthesisvoice">SpeechSynthesisVoice</a> interface represents a voice that the system supports.

PropTypeDescription
default<code>boolean</code>Specifies whether the voice is the default voice for the current app (true) or not (false).
lang<code>string</code>BCP 47 language tag indicating the language of the voice.
localService<code>boolean</code>Specifies whether the voice is supplied by a local (true) or remote (false) speech synthesizer service.
name<code>string</code>Human-readable name that represents the voice.
voiceURI<code>string</code>Type of URI and location of the speech synthesis service for this voice.
</docgen-api>

Changelog

See CHANGELOG.md.

License

See LICENSE.