import { AudioInput } from 'cordova-plugin-audioinput'; // Initialize with configuration await AudioInput.initialize({ sampleRate: 44100, bufferSize: 16384, channels: 1, format: 'PCM_16BIT', normalize: true }); // Check/request microphone permission const { granted } = await AudioInput.checkMicrophonePermission(); if (!granted) { await AudioInput.getMicrophonePermission(); } // Listen for audio data AudioInput.addListener('audioData', (event) => { console.log(`Received ${event.data.length} samples`); // Process audio data... }); // Start capturing await AudioInput.start({ sampleRate: 44100, bufferSize: 16384 }); // Stop capturing await AudioInput.stop();

import { AudioInput } from 'cordova-plugin-audioinput'; async function setupWebAudio() { // Request permission const { granted } = await AudioInput.getMicrophonePermission(); if (!granted) return; // Start with Web Audio integration // Note: For Capacitor, use the Cordova API via window.audioinput for streamToWebAudio const audioinput = (window as any).audioinput; audioinput.start({ streamToWebAudio: true }); // Connect to speakers to hear the captured audio audioinput.connect(audioinput.getAudioContext().destination); }

import { AudioInput } from 'cordova-plugin-audioinput'; async function setupRawAudio() { // Request permission await AudioInput.getMicrophonePermission(); // Listen for audio data AudioInput.addListener('audioData', (event) => { // event.data is an array of audio samples processAudioData(event.data); }); // Listen for errors AudioInput.addListener('audioError', (event) => { console.error('Audio error:', event.message); }); // Start capturing await AudioInput.start({ sampleRate: 44100, bufferSize: 8192, channels: 1, format: 'PCM_16BIT', normalize: true }); } function processAudioData(samples: number[]) { // Your audio processing logic here console.log(`Processing ${samples.length} samples`); } // Stop when done async function stopRecording() { await AudioInput.stop(); await AudioInput.removeAllListeners(); }

import { AudioInput } from 'cordova-plugin-audioinput'; import { Filesystem, Directory } from '@capacitor/filesystem'; async function recordToFile() { await AudioInput.getMicrophonePermission(); // Listen for recording finished event AudioInput.addListener('audioInputFinished', async (event) => { console.log('Recording saved to:', event.fileUrl); // File is now available at event.fileUrl }); // Start recording to file const fileUrl = 'file:///path/to/recording.wav'; await AudioInput.start({ sampleRate: 16000, bufferSize: 8192, channels: 1, format: 'PCM_16BIT', fileUrl: fileUrl }); // When ready to stop const result = await AudioInput.stop(); console.log('Stopped, file at:', result.fileUrl); }

interface AudioInputOptions { // Sample rate in Hz sampleRate?: number; // Default: 44100 // Available: 8000, 11025, 16000, 22050, 32000, 44100, 48000 // Buffer size in bytes (should be power of 2, <= 16384) bufferSize?: number; // Default: 16384 // Number of channels channels?: number; // Default: 1 (Mono) // 1 = Mono, 2 = Stereo // Audio format format?: 'PCM_16BIT' | 'PCM_8BIT'; // Default: 'PCM_16BIT' // Normalize audio data to -1.0 to 1.0 range normalize?: boolean; // Default: true // Normalization factor (audio divided by this value) normalizationFactor?: number; // Default: 32767.0 // Audio source type audioSourceType?: number; // Default: 0 (DEFAULT) // 0 = DEFAULT // 1 = MIC (Android only) // 5 = CAMCORDER // 6 = VOICE_RECOGNITION (Android only) // 7 = VOICE_COMMUNICATION // 9 = UNPROCESSED // File URL for saving (when set, no data events are fired) fileUrl?: string; // Example: 'file:///path/to/file.wav' // Cordova-specific options (use via window.audioinput) streamToWebAudio?: boolean; // Let plugin handle Web Audio conversion audioContext?: AudioContext; // Provide your own AudioContext concatenateMaxChunks?: number;// Chunks to merge (lower = lower latency) }

import { SampleRate, AudioSourceType } from 'cordova-plugin-audioinput'; const config = { sampleRate: SampleRate.CD_AUDIO_44100Hz, audioSourceType: AudioSourceType.VOICE_COMMUNICATION };

import { AudioInput } from 'cordova-plugin-audioinput'; // Initialize (optional - can also configure in start()) await AudioInput.initialize(options: AudioInputOptions): Promise<void> // Check microphone permission (doesn't prompt user) await AudioInput.checkMicrophonePermission(): Promise<{ granted: boolean }> // Request microphone permission (prompts user if needed) await AudioInput.getMicrophonePermission(): Promise<{ granted: boolean }> // Start audio capture await AudioInput.start(options: AudioInputOptions): Promise<void> // Stop audio capture await AudioInput.stop(): Promise<{ fileUrl?: string }> // Add event listener AudioInput.addListener( 'audioData' | 'audioError' | 'audioInputFinished', callback ): PluginListenerHandle // Remove all listeners await AudioInput.removeAllListeners(): Promise<void>

// Capacitor example import { AudioInput } from 'cordova-plugin-audioinput'; let silenceThreshold = 0.01; // Adjust based on your needs let isSpeaking = false; AudioInput.addListener('audioData', (event) => { // Calculate RMS (Root Mean Square) for volume detection const samples = event.data; let sum = 0; for (let i = 0; i < samples.length; i++) { sum += samples[i] * samples[i]; } const rms = Math.sqrt(sum / samples.length); // Detect speech if (rms > silenceThreshold && !isSpeaking) { console.log('Speech started'); isSpeaking = true; } else if (rms <= silenceThreshold && isSpeaking) { console.log('Speech stopped'); isSpeaking = false; } }); await AudioInput.start({ normalize: true });