Audio (TTS / STT)

const audioBuffer = await theo.tts({
  text: "Welcome to Theo. How can I help you today?",
  voice: "theo-voice-warm", // Optional — see table below
  speed: 1.0,               // Optional speed multiplier
});

// audioBuffer is an ArrayBuffer — write to file or stream to client
import { writeFileSync } from "fs";
writeFileSync("output.mp3", Buffer.from(audioBuffer));

const file = new Blob([audioBytes], { type: "audio/mp3" });
const result = await theo.stt(file, "en");

console.log(result.text);              // Transcribed text
console.log(result.language);          // Detected language
console.log(result.duration_seconds);  // Audio duration
console.log(result.usage.cost_cents);  // Cost