npm install @runanywhere/web @runanywhere/web-onnx

import { RunAnywhere } from '@runanywhere/web';
import { ONNX, STT, STTModelType, TTS, VAD, SpeechActivity } from '@runanywhere/web-onnx';

// 1. Initialize core SDK
await RunAnywhere.initialize({ environment: 'development' });

// 2. Register the ONNX backend
await ONNX.register();

// 3. Speech-to-Text
await STT.loadModel({
  modelId: 'whisper-tiny',
  type: STTModelType.Whisper,
  modelFiles: { encoder: '/models/encoder.onnx', decoder: '/models/decoder.onnx', tokens: '/models/tokens.txt' },
  sampleRate: 16000,
});
const result = await STT.transcribe(audioFloat32Array);
console.log(result.text);

// 4. Text-to-Speech
await TTS.loadVoice({
  voiceId: 'piper-en',
  modelPath: '/models/piper-en.onnx',
  tokensPath: '/models/tokens.txt',
  dataDir: '/models/espeak-ng-data',
});
const speech = await TTS.synthesize('Hello from RunAnywhere!');
// speech.audioData is Float32Array, speech.sampleRate is the sample rate

// 5. Voice Activity Detection
await VAD.initialize({ modelPath: '/models/silero_vad.onnx' });
VAD.onSpeechActivity((activity) => {
  if (activity === SpeechActivity.Ended) {
    const segment = VAD.popSpeechSegment();
    if (segment) console.log(`Speech: ${segment.samples.length} samples`);
  }
});

Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy: credentialless