js/speech.js

/**=====LICENSE STATEMENT START=====
    Translator++ 
    CAT (Computer-Assisted Translation) tools and framework to create quality
    translations and localizations efficiently.
        
    Copyright (C) 2018  Dreamsavior<dreamsavior@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
=====LICENSE STATEMENT END=====*/
speech = {};
trans.config = trans.config||{};
trans.config.useSpeech = trans.config.useSpeech||true;


function speak(text, callback) {
    var u = new SpeechSynthesisUtterance();
    u.text = text;
    u.lang = 'ja-JP';
 
    u.onend = function () {
        if (callback) {
            callback();
        }
    };
 
    u.onerror = function (e) {
        if (callback) {
            callback(e);
        }
    };
 
    speechSynthesis.speak(u);
}

// from http://stephenwalther.com/archive/2015/01/05/using-html5-speech-recognition-and-text-to-speech
// more https://developers.google.com/web/updates/2014/01/Web-apps-that-talk-Introduction-to-the-Speech-Synthesis-API