var text=Forguncy.Page.getCell('aaa').getValue();
var rate=Forguncy.Page.getCell('rate').getValue();
var pitch=Forguncy.Page.getCell('pitch').getValue();
var volume=Forguncy.Page.getCell('volume').getValue();
var msg = new SpeechSynthesisUtterance(text);
msg.rate =rate;
msg.pitch = pitch;
msg.volume = volume;
window.speechSynthesis.speak(msg);