The voiceURI read-only property of the SpeechSynthesisVoice interface returns the type of URI and location of the speech synthesis service for this voice.
A string representing the URI of the voice. This is a generic URI and can point to local or remote services, e.g., it could be a proprietary system URN or a URL to a remote service.
for (const voice of voices) {
const option = document.createElement("option");
option.textContent = `${voice.name} (${voice.lang})`;
if (voice.default) {
option.textContent += " — DEFAULT";
}
console.log(voice.voiceURI);
// On Mac, this returns URNs, for example 'urn:moz-tts:osx:com.apple.speech.synthesis.voice.daniel'
option.setAttribute("data-lang", voice.lang);
option.setAttribute("data-name", voice.name);
voiceSelect.appendChild(option);
}