Voice Activity Detection

npm install react-native-sherpa-onnx

import { initializeVAD, detectVoiceActivity } from 'react-native-sherpa-onnx/vad';

// Initialize VAD with model
await initializeVAD({
  modelPath: {
    type: 'auto',
    path: 'models/vad-model'
  }
});

// Detect voice segments
const segments = await detectVoiceActivity('path/to/audio.wav');

console.log('Voice segments:', segments);
// [{ start: 0.5, end: 3.2 }, { start: 4.1, end: 7.8 }]

await initializeVAD(options: VADInitializeOptions): Promise<void>

await initializeVAD({
  modelPath: {
    type: 'auto',
    path: 'models/silero-vad'
  }
});

await detectVoiceActivity(filePath: string): Promise<VoiceSegment[]>

const segments = await detectVoiceActivity('/path/to/recording.wav');

segments.forEach(segment => {
  console.log(`Speech from ${segment.start}s to ${segment.end}s`);
});

await unloadVAD(): Promise<void>

// When done with VAD
await unloadVAD();

interface VADInitializeOptions {
  modelPath: ModelPathConfig;
  // Additional options will be added in future versions
}

interface VoiceSegment {
  start: number;  // Start time in seconds
  end: number;    // End time in seconds
  // Additional fields will be added in future versions
}

interface ModelPathConfig {
  type: 'auto' | 'file';
  path: string;
}

try {
  await initializeVAD({
    modelPath: {
      type: 'auto',
      path: 'models/vad'
    }
  });
  
  const segments = await detectVoiceActivity('audio.wav');
  
  if (segments.length === 0) {
    console.log('No speech detected in audio');
  }
} catch (error) {
  console.error('VAD error:', error);
} finally {
  await unloadVAD();
}