Delete SpeechChunks.js

SpeechChunks.js

@@ -1,126 +0,0 @@
-import MicrophoneAudio from './MicrophoneAudio.js';
-import { VadDetector } from './VoiceActivityDetector.js';
-
-export class SpeechChunks {
-    static SAMPLE_RATE = 16000;
-    static START_THRESHOLD = 0.6;
-    static END_THRESHOLD = 0.45;
-    static MIN_SILENCE_DURATION_MS = 600;
-    static SPEECH_PAD_MS = 500;
-    static WINDOW_SIZE_SAMPLES = 512;
-
-    constructor(onSpeechStart, onSpeechEnd) {
-        this.chunks = [];
-        this.isSpeechActive = false;
-        this.onSpeechStart = onSpeechStart;
-        this.onSpeechEnd = onSpeechEnd;
-        console.log('SpeechChunks initialized');
-    }
-
-    async initialize() {
-        this.microphoneAudio = new MicrophoneAudio({
-            sampleRate: SpeechChunks.SAMPLE_RATE,
-            windowSizeSamples: SpeechChunks.WINDOW_SIZE_SAMPLES,
-            onAudioData: this.processAudioData.bind(this)
-        });
-        
-        this.vadDetector = new VadDetector(
-            SpeechChunks.START_THRESHOLD,
-            SpeechChunks.END_THRESHOLD,
-            SpeechChunks.SAMPLE_RATE,
-            SpeechChunks.MIN_SILENCE_DURATION_MS,
-            SpeechChunks.SPEECH_PAD_MS
-        );
-    }
-
-    async processAudioData(audioData) {
-        console.log(`Processing audio data of length ${audioData.length}`);
-        try {
-            const result = await this.vadDetector.apply(audioData, false);
-            if (result.start !== undefined) {
-                this.isSpeechActive = true;
-                console.log('Speech start detected');
-                this.onSpeechStart();
-            } else if (result.end !== undefined) {
-                this.isSpeechActive = false;
-                console.log('Speech end detected');
-                this.onSpeechEnd(this.getBlob());
-            }
-            if (this.isSpeechActive) {
-                console.log('Adding chunk to speech');
-                this.chunks.push(Array.from(audioData));
-            }
-        } catch (error) {
-            console.error('Error processing audio data', error);
-        }
-    }
-
-    async start() {
-        console.log('Starting SpeechChunks');
-        await this.initialize();
-        await this.microphoneAudio.start();
-    }
-    
-    stop() {
-        console.log('Stopping SpeechChunks');
-        this.microphoneAudio.stop();
-        this.vadDetector.reset();
-        this.isSpeechActive = false;
-    }
-
-    getSpeechChunks() {
-        console.log(`Returning ${this.chunks.length} speech chunks`);
-        const speechChunks = this.chunks;
-        this.chunks = [];
-        return speechChunks;
-    }
-
-    getBlob() {
-        console.log('Creating audio blob from speech chunks');
-        const combinedChunks = this.chunks.flat();
-        const combinedAudio = new Float32Array(combinedChunks);
-
-        const intData = new Int16Array(combinedAudio.length);
-        for (let i = 0; i < combinedAudio.length; i++) {
-            const s = Math.max(-1, Math.min(1, combinedAudio[i]));
-            intData[i] = s < 0 ? s * 0x8000 : s * 0x7FFF;
-        }
-
-        const buffer = new ArrayBuffer(44 + intData.length * 2);
-        const view = new DataView(buffer);
-
-        this.writeString(view, 0, 'RIFF');
-        view.setUint32(4, 36 + intData.length * 2, true);
-        this.writeString(view, 8, 'WAVE');
-        this.writeString(view, 12, 'fmt ');
-        view.setUint32(16, 16, true);
-        view.setUint16(20, 1, true);
-        view.setUint16(22, 1, true);
-        view.setUint32(24, SpeechChunks.SAMPLE_RATE, true);
-        view.setUint32(28, SpeechChunks.SAMPLE_RATE * 2, true);
-        view.setUint16(32, 2, true);
-        view.setUint16(34, 16, true);
-        this.writeString(view, 36, 'data');
-        view.setUint32(40, intData.length * 2, true);
-
-        for (let i = 0; i < intData.length; i++) {
-            view.setInt16(44 + i * 2, intData[i], true);
-        }
-
-        const blob = new Blob([buffer], { type: 'audio/wav' });
-        console.log(`Created blob of size ${blob.size} bytes`);
-        return blob;
-    }
-
-    writeString(view, offset, string) {
-        for (let i = 0; i < string.length; i++) {
-            view.setUint8(offset + i, string.charCodeAt(i));
-        }
-    }
-
-    async close() {
-        console.log('Closing SpeechChunks');
-        this.stop();
-        await this.vadDetector.close();
-    }
-}