Ohr-Button Absturz gefixt (LiveAudioStream entfernt, Phase 1 , Play-Button in ARIA-Nachrichten fuer Sprachwiedergabe
- [x] Chat-Suche in der App (Lupe in Statusleiste) - [x] Watchdog mit Container-Restart (2min Warnung → 5min doctor --fix → 8min Restart),Abbrechen-Button im Diagnostic Chat - [x] Nachrichten Backup on-the-fly (/shared/config/chat_backup.jsonl) - [x] Grosse Nachrichten satzweise aufteilen fuer TTS - [x] RVS Nachrichten vom Smartphone gehen durch
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@@ -1,21 +1,12 @@
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/**
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* Wake Word Service — "ARIA" Erkennung
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*
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* Nutzt react-native-live-audio-stream fuer kontinuierliches Mikrofon-Monitoring.
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* Erkennt Sprache per Energie-Schwellwert und sendet kurze Audio-Clips
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* zur serverseitigen Wake-Word-Pruefung (openwakeword in der Bridge).
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* Phase 1: Deaktiviert — react-native-live-audio-stream hat native Bridge-Probleme.
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* Nutzt stattdessen Tap-to-Talk (VoiceButton) als primaeren Eingabemodus.
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*
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* Architektur:
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* App (Mikrofon) → Energie-Erkennung → Audio-Buffer
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* → RVS "wake_check" → Bridge → openwakeword → Bestaetigung
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* → App startet Aufnahme
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*
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* Aktuell (Phase 1): Einfacher Tap-to-Talk + Auto-Stop.
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* Spaeter (Phase 2): Porcupine on-device "ARIA" Keyword.
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* Phase 2: Porcupine on-device "ARIA" Keyword (geplant).
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*/
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import LiveAudioStream from 'react-native-live-audio-stream';
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type WakeWordCallback = () => void;
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type StateCallback = (state: WakeWordState) => void;
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@@ -25,47 +16,16 @@ class WakeWordService {
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private state: WakeWordState = 'off';
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private wakeCallbacks: WakeWordCallback[] = [];
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private stateCallbacks: StateCallback[] = [];
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private isInitialized = false;
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/** Wake Word Erkennung starten */
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async start(): Promise<boolean> {
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if (this.state === 'listening') return true;
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try {
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if (!this.isInitialized) {
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LiveAudioStream.init({
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sampleRate: 16000,
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channels: 1,
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bitsPerSample: 16,
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audioSource: 6, // VOICE_RECOGNITION
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bufferSize: 4096,
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});
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this.isInitialized = true;
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}
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// Audio-Stream starten und auf Energie pruefen
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LiveAudioStream.start();
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LiveAudioStream.on('data', (base64Chunk: string) => {
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if (this.state !== 'listening') return;
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// Base64 → Int16 Array → RMS berechnen
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const raw = this._base64ToInt16(base64Chunk);
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const rms = this._calculateRMS(raw);
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// Schwellwert: wenn laut genug → Wake Word erkannt
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// Phase 1: Einfache Energie-Erkennung (jemand spricht)
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// Phase 2: Porcupine "ARIA" Keyword
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if (rms > 2000) {
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this.setState('detected');
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this.wakeCallbacks.forEach(cb => cb());
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// Nach Detection kurz pausieren, Aufnahme uebernimmt das Mikrofon
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this.stop();
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}
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});
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// Phase 1: LiveAudioStream deaktiviert (native Bridge instabil)
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// Stattdessen: Tap-to-Talk als primaerer Modus
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console.log('[WakeWord] Wake Word ist in Phase 1 noch nicht verfuegbar — nutze Tap-to-Talk');
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this.setState('listening');
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console.log('[WakeWord] Listening gestartet');
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return true;
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} catch (err) {
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console.error('[WakeWord] Start fehlgeschlagen:', err);
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@@ -75,22 +35,12 @@ class WakeWordService {
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/** Wake Word Erkennung stoppen */
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stop(): void {
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if (this.state === 'off') return;
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try {
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LiveAudioStream.stop();
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} catch {}
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this.setState('off');
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console.log('[WakeWord] Gestoppt');
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}
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/** Nach Aufnahme erneut starten */
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async resume(): Promise<void> {
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// Kurze Pause damit Aufnahme das Mikrofon freigeben kann
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setTimeout(() => {
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if (this.state === 'off') {
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this.start();
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}
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}, 500);
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// Nichts zu tun in Phase 1
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}
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// --- Callbacks ---
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@@ -113,32 +63,12 @@ class WakeWordService {
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return this.state;
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}
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// --- Hilfsfunktionen ---
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private setState(state: WakeWordState): void {
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if (this.state !== state) {
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this.state = state;
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this.stateCallbacks.forEach(cb => cb(state));
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}
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}
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private _base64ToInt16(base64: string): Int16Array {
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const binary = atob(base64);
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const bytes = new Uint8Array(binary.length);
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for (let i = 0; i < binary.length; i++) {
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bytes[i] = binary.charCodeAt(i);
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}
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return new Int16Array(bytes.buffer);
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}
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private _calculateRMS(samples: Int16Array): number {
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if (samples.length === 0) return 0;
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let sum = 0;
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for (let i = 0; i < samples.length; i++) {
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sum += samples[i] * samples[i];
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}
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return Math.sqrt(sum / samples.length);
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}
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}
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const wakeWordService = new WakeWordService();
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