an class="co"># Coqui TTS</span></span>
<span><span class="fu"><a href="reference/tts.html">tts</a></span><span class="op">(</span><span class="st">"Hello world!"</span>, service <span class="op">=</span> <span class="st">"coqui"</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># Google Cloud Text-to-Speech API </span></span>
<span><span class="fu"><a href="reference/tts.html">tts</a></span><span class="op">(</span><span class="st">"Hello world!"</span>, service <span class="op">=