Demo Update 2
This commit is contained in:
@@ -1,388 +1,445 @@
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/**
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* Sesame AI Voice Chat Application
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* Sesame AI Voice Chat Client
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*
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* This script handles the audio streaming, visualization,
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* and Socket.IO communication for the voice chat application.
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* A web client that connects to a Sesame AI voice chat server and enables
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* real-time voice conversation with an AI assistant.
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*/
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// Configuration constants
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const SERVER_URL = window.location.hostname === 'localhost' ?
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'http://localhost:5000' : window.location.origin;
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const ENERGY_WINDOW_SIZE = 15;
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const CLIENT_SILENCE_DURATION_MS = 750;
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// DOM elements
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const elements = {
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conversation: null,
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streamButton: null,
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clearButton: null,
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thresholdSlider: null,
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thresholdValue: null,
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visualizerCanvas: null,
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visualizerLabel: null,
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volumeLevel: null,
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statusDot: null,
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statusText: null,
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speakerSelection: null,
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autoPlayResponses: null,
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showVisualizer: null
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};
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// Application state
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const state = {
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socket: null,
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audioContext: null,
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streamProcessor: null,
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analyser: null,
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microphone: null,
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streamProcessor: null,
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isStreaming: false,
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isSpeaking: false,
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silenceTimer: null,
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energyWindow: [],
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currentSpeaker: 0,
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silenceThreshold: 0.01,
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visualizerAnimationFrame: null,
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energyWindow: [],
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silenceTimer: null,
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volumeUpdateInterval: null,
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connectionAttempts: 0
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visualizerAnimationFrame: null,
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currentSpeaker: 0
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};
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// Constants
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const ENERGY_WINDOW_SIZE = 10;
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const CLIENT_SILENCE_DURATION_MS = 1000; // 1 second of silence before processing
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const MAX_CONNECTION_ATTEMPTS = 5;
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const RECONNECTION_DELAY_MS = 2000;
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// DOM elements
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const elements = {
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conversation: document.getElementById('conversation'),
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speakerSelect: document.getElementById('speakerSelect'),
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streamButton: document.getElementById('streamButton'),
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clearButton: document.getElementById('clearButton'),
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statusDot: document.getElementById('statusDot'),
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statusText: document.getElementById('statusText'),
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visualizerCanvas: document.getElementById('audioVisualizer'),
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visualizerLabel: document.getElementById('visualizerLabel'),
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thresholdSlider: document.getElementById('thresholdSlider'),
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thresholdValue: document.getElementById('thresholdValue'),
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volumeLevel: document.getElementById('volumeLevel'),
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autoPlayResponses: document.getElementById('autoPlayResponses'),
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showVisualizer: document.getElementById('showVisualizer')
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};
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// Visualization variables
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let canvasContext;
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let visualizerBufferLength;
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let visualizerDataArray;
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// Visualizer variables
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let canvasContext = null;
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let visualizerBufferLength = 0;
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let visualizerDataArray = null;
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// Initialize the application
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function initializeApp() {
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// Set up event listeners
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elements.streamButton.addEventListener('click', toggleStreaming);
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elements.clearButton.addEventListener('click', clearConversation);
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elements.thresholdSlider.addEventListener('input', updateThreshold);
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elements.speakerSelect.addEventListener('change', () => {
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state.currentSpeaker = parseInt(elements.speakerSelect.value);
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});
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elements.showVisualizer.addEventListener('change', toggleVisualizerVisibility);
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// Initialize audio context
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setupAudioContext();
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// Initialize the UI elements
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initializeUIElements();
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// Set up visualization
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// Initialize socket.io connection
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setupSocketConnection();
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// Setup event listeners
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setupEventListeners();
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// Initialize visualizer
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setupVisualizer();
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// Connect to Socket.IO server
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connectToServer();
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// Add welcome message
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addSystemMessage('Welcome to Sesame AI Voice Chat! Click "Start Conversation" to begin speaking.');
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// Show welcome message
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addSystemMessage('Welcome to Sesame AI Voice Chat! Click "Start Conversation" to begin.');
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}
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// Connect to Socket.IO server
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function connectToServer() {
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try {
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// Use the server URL with or without a specific port
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const serverUrl = window.location.origin;
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// Initialize UI elements
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function initializeUIElements() {
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// Main UI containers
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const chatContainer = document.querySelector('.chat-container');
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const controlPanel = document.querySelector('.control-panel');
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// Create conversation section
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chatContainer.innerHTML = `
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<div class="chat-header">
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<h2>Conversation</h2>
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<div class="status-indicator">
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<div class="status-dot"></div>
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<span class="status-text">Disconnected</span>
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</div>
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</div>
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<div class="conversation"></div>
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`;
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// Create control panel
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controlPanel.innerHTML = `
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<div class="visualizer-section">
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<div class="visualizer-container">
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<canvas id="audioVisualizer"></canvas>
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<div class="visualizer-label">Speak to see audio visualization</div>
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</div>
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</div>
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updateStatus('Connecting...', 'connecting');
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console.log(`Connecting to Socket.IO server at ${serverUrl}`);
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state.socket = io(serverUrl, {
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reconnectionDelay: RECONNECTION_DELAY_MS,
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reconnectionDelayMax: 5000,
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reconnectionAttempts: MAX_CONNECTION_ATTEMPTS
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});
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setupSocketListeners();
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} catch (error) {
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console.error('Error connecting to server:', error);
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updateStatus('Connection failed. Retrying...', 'error');
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// Try to reconnect
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if (state.connectionAttempts < MAX_CONNECTION_ATTEMPTS) {
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state.connectionAttempts++;
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setTimeout(connectToServer, RECONNECTION_DELAY_MS);
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} else {
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updateStatus('Could not connect to server', 'error');
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addSystemMessage('Failed to connect to the server. Please check your connection and refresh the page.');
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}
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}
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<div class="controls">
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<div class="control-group">
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<div class="control-label">Voice Controls</div>
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<div class="volume-indicator">
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<div class="volume-level" style="width:0%"></div>
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</div>
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<div class="slider-container">
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<div class="slider-label">
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<span>Silence Threshold</span>
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<span id="thresholdValue">0.01</span>
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</div>
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<input type="range" id="thresholdSlider" min="0.001" max="0.05" step="0.001" value="0.01">
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</div>
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<select id="speakerSelection">
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<option value="0">Speaker 1 (You)</option>
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<option value="1">Speaker 2 (Alternative)</option>
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</select>
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<div class="button-row">
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<button id="streamButton"><i class="fas fa-microphone"></i> Start Conversation</button>
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<button id="clearButton"><i class="fas fa-trash"></i> Clear</button>
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</div>
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</div>
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<div class="control-group settings-panel">
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<div class="control-label">Settings</div>
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<div class="settings-toggles">
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<div class="toggle-switch">
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<input type="checkbox" id="autoPlayResponses" checked>
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<label for="autoPlayResponses">Auto-play AI responses</label>
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</div>
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<div class="toggle-switch">
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<input type="checkbox" id="showVisualizer" checked>
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<label for="showVisualizer">Show audio visualizer</label>
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</div>
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</div>
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</div>
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</div>
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`;
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// Store references to UI elements
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elements.conversation = document.querySelector('.conversation');
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elements.streamButton = document.getElementById('streamButton');
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elements.clearButton = document.getElementById('clearButton');
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elements.thresholdSlider = document.getElementById('thresholdSlider');
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elements.thresholdValue = document.getElementById('thresholdValue');
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elements.visualizerCanvas = document.getElementById('audioVisualizer');
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elements.visualizerLabel = document.querySelector('.visualizer-label');
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elements.volumeLevel = document.querySelector('.volume-level');
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elements.statusDot = document.querySelector('.status-dot');
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elements.statusText = document.querySelector('.status-text');
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elements.speakerSelection = document.getElementById('speakerSelection');
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elements.autoPlayResponses = document.getElementById('autoPlayResponses');
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elements.showVisualizer = document.getElementById('showVisualizer');
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}
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// Set up Socket.IO event listeners
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function setupSocketListeners() {
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if (!state.socket) return;
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// Setup Socket.IO connection
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function setupSocketConnection() {
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state.socket = io(SERVER_URL);
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// Connection events
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state.socket.on('connect', () => {
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console.log('Connected to Socket.IO server');
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updateStatus('Connected', 'connected');
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state.connectionAttempts = 0;
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elements.streamButton.disabled = false;
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addSystemMessage('Connected to server');
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console.log('Connected to server');
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updateConnectionStatus(true);
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});
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state.socket.on('disconnect', () => {
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console.log('Disconnected from Socket.IO server');
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updateStatus('Disconnected', 'disconnected');
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console.log('Disconnected from server');
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updateConnectionStatus(false);
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// Stop streaming if active
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if (state.isStreaming) {
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stopStreaming(false); // false = don't send to server
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stopStreaming(false);
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}
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elements.streamButton.disabled = true;
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addSystemMessage('Disconnected from server. Trying to reconnect...');
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});
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state.socket.on('status', (data) => {
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console.log('Status:', data);
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addSystemMessage(data.message);
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});
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state.socket.on('error', (data) => {
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console.error('Server error:', data);
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console.error('Socket error:', data.message);
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addSystemMessage(`Error: ${data.message}`);
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});
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// Register message handlers
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state.socket.on('audio_response', handleAudioResponse);
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state.socket.on('transcription', handleTranscription);
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state.socket.on('context_updated', handleContextUpdate);
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state.socket.on('streaming_status', handleStreamingStatus);
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}
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// Setup event listeners
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function setupEventListeners() {
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// Stream button
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elements.streamButton.addEventListener('click', toggleStreaming);
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state.socket.on('connect_error', (error) => {
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console.error('Connection error:', error);
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updateStatus('Connection Error', 'error');
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// Clear button
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elements.clearButton.addEventListener('click', clearConversation);
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// Threshold slider
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elements.thresholdSlider.addEventListener('input', updateThreshold);
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// Speaker selection
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elements.speakerSelection.addEventListener('change', () => {
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state.currentSpeaker = parseInt(elements.speakerSelection.value, 10);
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});
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}
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// Update the connection status in the UI
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function updateStatus(message, status) {
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elements.statusText.textContent = message;
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elements.statusDot.className = 'status-dot';
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if (status === 'connected') {
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elements.statusDot.classList.add('active');
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} else if (status === 'connecting') {
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elements.statusDot.style.backgroundColor = '#FFA500';
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} else if (status === 'error') {
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elements.statusDot.style.backgroundColor = '#F44336';
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}
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// Visualizer toggle
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elements.showVisualizer.addEventListener('change', toggleVisualizerVisibility);
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}
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// Set up audio context
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function setupAudioContext() {
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try {
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state.audioContext = new (window.AudioContext || window.webkitAudioContext)();
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console.log('Audio context initialized');
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} catch (err) {
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console.error('Error setting up audio context:', err);
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addSystemMessage(`Audio context error: ${err.message}`);
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elements.streamButton.disabled = true;
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}
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}
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// Set up audio visualizer
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// Setup audio visualizer
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function setupVisualizer() {
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if (!elements.visualizerCanvas) return;
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canvasContext = elements.visualizerCanvas.getContext('2d');
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// Set canvas size to match container
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function resizeCanvas() {
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const container = elements.visualizerCanvas.parentElement;
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elements.visualizerCanvas.width = container.clientWidth;
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elements.visualizerCanvas.height = container.clientHeight;
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}
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// Set canvas dimensions
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elements.visualizerCanvas.width = elements.visualizerCanvas.offsetWidth;
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elements.visualizerCanvas.height = elements.visualizerCanvas.offsetHeight;
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// Call initially and on window resize
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resizeCanvas();
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window.addEventListener('resize', resizeCanvas);
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// Create placeholder data array
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visualizerBufferLength = 128;
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visualizerDataArray = new Uint8Array(visualizerBufferLength);
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// Initialize the visualizer
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drawVisualizer();
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}
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// Toggle stream on/off
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// Update connection status UI
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function updateConnectionStatus(isConnected) {
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elements.statusDot.classList.toggle('active', isConnected);
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elements.statusText.textContent = isConnected ? 'Connected' : 'Disconnected';
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}
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// Toggle streaming state
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function toggleStreaming() {
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if (state.isStreaming) {
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stopStreaming(true); // true = send to server
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stopStreaming(true);
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} else {
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startStreaming();
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}
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}
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// Start streaming audio to the server
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async function startStreaming() {
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if (!state.socket || !state.socket.connected) {
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addSystemMessage('Cannot start conversation: Not connected to server');
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return;
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}
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function startStreaming() {
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if (state.isStreaming) return;
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try {
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// Request microphone access
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const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
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// Update state
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state.isStreaming = true;
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state.isSpeaking = false;
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state.energyWindow = [];
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state.currentSpeaker = parseInt(elements.speakerSelect.value);
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// Update UI
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elements.streamButton.innerHTML = '<i class="fas fa-microphone"></i> Listening...';
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elements.streamButton.classList.add('recording');
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elements.visualizerLabel.style.opacity = '0';
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// Set up audio processing
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setupAudioProcessing(stream);
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// Start volume meter updates
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state.volumeUpdateInterval = setInterval(updateVolumeMeter, 100);
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addSystemMessage('Listening - speak naturally and pause when finished');
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} catch (err) {
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console.error('Error starting audio stream:', err);
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addSystemMessage(`Microphone error: ${err.message}`);
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cleanupAudioResources();
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}
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}
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// Set up audio processing pipeline
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function setupAudioProcessing(stream) {
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// Store microphone stream for later cleanup
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state.microphone = stream;
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// Create source from microphone
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const source = state.audioContext.createMediaStreamSource(stream);
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// Setup analyzer for visualization
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state.analyser = state.audioContext.createAnalyser();
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state.analyser.fftSize = 256;
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state.analyser.smoothingTimeConstant = 0.8;
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state.analyser.minDecibels = -90;
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state.analyser.maxDecibels = -10;
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visualizerBufferLength = state.analyser.frequencyBinCount;
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visualizerDataArray = new Uint8Array(visualizerBufferLength);
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// Connect source to analyzer
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source.connect(state.analyser);
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// Start visualization
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if (state.visualizerAnimationFrame) {
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cancelAnimationFrame(state.visualizerAnimationFrame);
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}
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drawVisualizer();
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// Setup audio processor
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state.streamProcessor = state.audioContext.createScriptProcessor(4096, 1, 1);
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// Connect audio nodes
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source.connect(state.streamProcessor);
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state.streamProcessor.connect(state.audioContext.destination);
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// Process audio
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state.streamProcessor.onaudioprocess = handleAudioProcess;
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}
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// Handle each frame of audio data
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function handleAudioProcess(e) {
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const audioData = e.inputBuffer.getChannelData(0);
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// Calculate energy (volume) for silence detection
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const energy = calculateAudioEnergy(audioData);
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updateEnergyWindow(energy);
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// Check if currently silent
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const avgEnergy = calculateAverageEnergy();
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const isSilent = avgEnergy < state.silenceThreshold;
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// Handle silence/speech transitions
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handleSpeechState(isSilent);
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// Process and send audio
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const downsampled = downsampleBuffer(audioData, state.audioContext.sampleRate, 24000);
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sendAudioChunk(downsampled, state.currentSpeaker);
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// Request microphone access
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navigator.mediaDevices.getUserMedia({ audio: true, video: false })
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.then(stream => {
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// Show processing state while setting up
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elements.streamButton.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Initializing...';
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||||
|
||||
// Create audio context
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state.audioContext = new (window.AudioContext || window.webkitAudioContext)();
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// Create microphone source
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state.microphone = state.audioContext.createMediaStreamSource(stream);
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||||
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||||
// Create analyser for visualizer
|
||||
state.analyser = state.audioContext.createAnalyser();
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state.analyser.fftSize = 256;
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visualizerBufferLength = state.analyser.frequencyBinCount;
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visualizerDataArray = new Uint8Array(visualizerBufferLength);
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||||
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||||
// Connect microphone to analyser
|
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state.microphone.connect(state.analyser);
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||||
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||||
// Create script processor for audio processing
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||||
const bufferSize = 4096;
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||||
state.streamProcessor = state.audioContext.createScriptProcessor(bufferSize, 1, 1);
|
||||
|
||||
// Set up audio processing callback
|
||||
state.streamProcessor.onaudioprocess = handleAudioProcess;
|
||||
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||||
// Connect the processors
|
||||
state.analyser.connect(state.streamProcessor);
|
||||
state.streamProcessor.connect(state.audioContext.destination);
|
||||
|
||||
// Update UI
|
||||
state.isStreaming = true;
|
||||
elements.streamButton.innerHTML = '<i class="fas fa-microphone"></i> Listening...';
|
||||
elements.streamButton.classList.add('recording');
|
||||
|
||||
// Initialize energy window
|
||||
state.energyWindow = [];
|
||||
|
||||
// Start volume meter updates
|
||||
state.volumeUpdateInterval = setInterval(updateVolumeMeter, 100);
|
||||
|
||||
// Start visualizer if enabled
|
||||
if (elements.showVisualizer.checked && !state.visualizerAnimationFrame) {
|
||||
drawVisualizer();
|
||||
}
|
||||
|
||||
// Show starting message
|
||||
addSystemMessage('Listening... Speak clearly into your microphone.');
|
||||
|
||||
// Notify the server that we're starting
|
||||
state.socket.emit('stream_audio', {
|
||||
audio: '',
|
||||
speaker: state.currentSpeaker
|
||||
});
|
||||
})
|
||||
.catch(err => {
|
||||
console.error('Error accessing microphone:', err);
|
||||
addSystemMessage(`Error: ${err.message}. Please make sure your microphone is connected and you've granted permission.`);
|
||||
elements.streamButton.innerHTML = '<i class="fas fa-microphone"></i> Start Conversation';
|
||||
});
|
||||
}
|
||||
|
||||
// Stop streaming audio
|
||||
function stopStreaming(sendToServer = true) {
|
||||
// Cleanup audio resources
|
||||
cleanupAudioResources();
|
||||
function stopStreaming(notifyServer = true) {
|
||||
if (!state.isStreaming) return;
|
||||
|
||||
// Reset state
|
||||
state.isStreaming = false;
|
||||
state.isSpeaking = false;
|
||||
state.energyWindow = [];
|
||||
|
||||
// Update UI
|
||||
// Update UI first
|
||||
elements.streamButton.innerHTML = '<i class="fas fa-microphone"></i> Start Conversation';
|
||||
elements.streamButton.classList.remove('recording', 'processing');
|
||||
elements.streamButton.style.backgroundColor = '';
|
||||
elements.volumeLevel.style.width = '100%';
|
||||
elements.streamButton.classList.remove('recording');
|
||||
elements.streamButton.classList.remove('processing');
|
||||
|
||||
// Clear volume meter updates
|
||||
// Stop volume meter updates
|
||||
if (state.volumeUpdateInterval) {
|
||||
clearInterval(state.volumeUpdateInterval);
|
||||
state.volumeUpdateInterval = null;
|
||||
}
|
||||
|
||||
addSystemMessage('Conversation paused');
|
||||
|
||||
// Notify server
|
||||
if (sendToServer && state.socket && state.socket.connected) {
|
||||
state.socket.emit('stop_streaming', {
|
||||
speaker: state.currentSpeaker
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Clean up audio processing resources
|
||||
function cleanupAudioResources() {
|
||||
// Stop microphone stream
|
||||
if (state.microphone) {
|
||||
state.microphone.getTracks().forEach(track => track.stop());
|
||||
state.microphone = null;
|
||||
}
|
||||
|
||||
// Disconnect audio processor
|
||||
// Stop all audio processing
|
||||
if (state.streamProcessor) {
|
||||
state.streamProcessor.disconnect();
|
||||
state.streamProcessor.onaudioprocess = null;
|
||||
state.streamProcessor = null;
|
||||
}
|
||||
|
||||
// Disconnect analyzer
|
||||
if (state.analyser) {
|
||||
state.analyser.disconnect();
|
||||
state.analyser = null;
|
||||
}
|
||||
|
||||
// Cancel visualizer animation
|
||||
if (state.microphone) {
|
||||
state.microphone.disconnect();
|
||||
}
|
||||
|
||||
// Close audio context
|
||||
if (state.audioContext && state.audioContext.state !== 'closed') {
|
||||
state.audioContext.close().catch(err => console.warn('Error closing audio context:', err));
|
||||
}
|
||||
|
||||
// Cleanup animation frames
|
||||
if (state.visualizerAnimationFrame) {
|
||||
cancelAnimationFrame(state.visualizerAnimationFrame);
|
||||
state.visualizerAnimationFrame = null;
|
||||
}
|
||||
|
||||
// Reset state
|
||||
state.isStreaming = false;
|
||||
state.isSpeaking = false;
|
||||
|
||||
// Notify the server
|
||||
if (notifyServer && state.socket && state.socket.connected) {
|
||||
state.socket.emit('stop_streaming', {
|
||||
speaker: state.currentSpeaker
|
||||
});
|
||||
}
|
||||
|
||||
// Show message
|
||||
addSystemMessage('Conversation paused. Click "Start Conversation" to resume.');
|
||||
}
|
||||
|
||||
// Handle audio processing
|
||||
function handleAudioProcess(event) {
|
||||
const inputData = event.inputBuffer.getChannelData(0);
|
||||
|
||||
// Calculate audio energy (volume level)
|
||||
const energy = calculateAudioEnergy(inputData);
|
||||
|
||||
// Update energy window for averaging
|
||||
updateEnergyWindow(energy);
|
||||
|
||||
// Calculate average energy
|
||||
const avgEnergy = calculateAverageEnergy();
|
||||
|
||||
// Determine if audio is silent
|
||||
const isSilent = avgEnergy < state.silenceThreshold;
|
||||
|
||||
// Handle speech state based on silence
|
||||
handleSpeechState(isSilent);
|
||||
|
||||
// Only send audio chunk if we detect speech
|
||||
if (!isSilent) {
|
||||
// Create a resampled version at 24kHz for the server
|
||||
// Most WebRTC audio is 48kHz, but we want 24kHz for the model
|
||||
const resampledData = downsampleBuffer(inputData, state.audioContext.sampleRate, 24000);
|
||||
|
||||
// Send the audio chunk to the server
|
||||
sendAudioChunk(resampledData, state.currentSpeaker);
|
||||
}
|
||||
}
|
||||
|
||||
// Cleanup audio resources when done
|
||||
function cleanupAudioResources() {
|
||||
// Stop all audio processing
|
||||
if (state.streamProcessor) {
|
||||
state.streamProcessor.disconnect();
|
||||
state.streamProcessor = null;
|
||||
}
|
||||
|
||||
if (state.analyser) {
|
||||
state.analyser.disconnect();
|
||||
state.analyser = null;
|
||||
}
|
||||
|
||||
if (state.microphone) {
|
||||
state.microphone.disconnect();
|
||||
state.microphone = null;
|
||||
}
|
||||
|
||||
// Close audio context
|
||||
if (state.audioContext && state.audioContext.state !== 'closed') {
|
||||
state.audioContext.close().catch(err => console.warn('Error closing audio context:', err));
|
||||
}
|
||||
|
||||
// Cancel all timers and animation frames
|
||||
if (state.volumeUpdateInterval) {
|
||||
clearInterval(state.volumeUpdateInterval);
|
||||
state.volumeUpdateInterval = null;
|
||||
}
|
||||
|
||||
if (state.visualizerAnimationFrame) {
|
||||
cancelAnimationFrame(state.visualizerAnimationFrame);
|
||||
state.visualizerAnimationFrame = null;
|
||||
}
|
||||
|
||||
// Cancel silence timer
|
||||
if (state.silenceTimer) {
|
||||
clearTimeout(state.silenceTimer);
|
||||
state.silenceTimer = null;
|
||||
}
|
||||
|
||||
// Reset visualizer display
|
||||
if (canvasContext) {
|
||||
canvasContext.clearRect(0, 0, elements.visualizerCanvas.width, elements.visualizerCanvas.height);
|
||||
elements.visualizerLabel.style.opacity = '0.7';
|
||||
}
|
||||
}
|
||||
|
||||
// Clear conversation history
|
||||
function clearConversation() {
|
||||
// Clear UI
|
||||
elements.conversation.innerHTML = '';
|
||||
addSystemMessage('Conversation cleared');
|
||||
|
||||
// Notify server
|
||||
if (state.socket && state.socket.connected) {
|
||||
state.socket.emit('clear_context');
|
||||
if (elements.conversation) {
|
||||
elements.conversation.innerHTML = '';
|
||||
addSystemMessage('Conversation cleared.');
|
||||
|
||||
// Notify server to clear context
|
||||
if (state.socket && state.socket.connected) {
|
||||
state.socket.emit('clear_context');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -390,9 +447,9 @@ function clearConversation() {
|
||||
function calculateAudioEnergy(buffer) {
|
||||
let sum = 0;
|
||||
for (let i = 0; i < buffer.length; i++) {
|
||||
sum += Math.abs(buffer[i]);
|
||||
sum += buffer[i] * buffer[i];
|
||||
}
|
||||
return sum / buffer.length;
|
||||
return Math.sqrt(sum / buffer.length);
|
||||
}
|
||||
|
||||
// Update energy window for averaging
|
||||
@@ -406,7 +463,9 @@ function updateEnergyWindow(energy) {
|
||||
// Calculate average energy from window
|
||||
function calculateAverageEnergy() {
|
||||
if (state.energyWindow.length === 0) return 0;
|
||||
return state.energyWindow.reduce((sum, val) => sum + val, 0) / state.energyWindow.length;
|
||||
|
||||
const sum = state.energyWindow.reduce((a, b) => a + b, 0);
|
||||
return sum / state.energyWindow.length;
|
||||
}
|
||||
|
||||
// Update the threshold from the slider
|
||||
@@ -417,32 +476,26 @@ function updateThreshold() {
|
||||
|
||||
// Update the volume meter display
|
||||
function updateVolumeMeter() {
|
||||
if (!state.isStreaming || !state.analyser) return;
|
||||
if (!state.isStreaming || !state.energyWindow.length) return;
|
||||
|
||||
// Get current volume level
|
||||
const dataArray = new Uint8Array(state.analyser.frequencyBinCount);
|
||||
state.analyser.getByteFrequencyData(dataArray);
|
||||
const avgEnergy = calculateAverageEnergy();
|
||||
|
||||
// Calculate average volume
|
||||
let sum = 0;
|
||||
for (let i = 0; i < dataArray.length; i++) {
|
||||
sum += dataArray[i];
|
||||
}
|
||||
const average = sum / dataArray.length;
|
||||
// Scale energy to percentage (0-100)
|
||||
// Typically, energy values will be very small (e.g., 0.001 to 0.1)
|
||||
// So we multiply by a factor to make it more visible
|
||||
const scaleFactor = 1000;
|
||||
const percentage = Math.min(100, Math.max(0, avgEnergy * scaleFactor));
|
||||
|
||||
// Normalize to 0-100%
|
||||
const percentage = Math.min(100, Math.max(0, average / 128 * 100));
|
||||
|
||||
// Invert because we're showing the "empty" portion
|
||||
elements.volumeLevel.style.width = (100 - percentage) + '%';
|
||||
// Update volume meter width
|
||||
elements.volumeLevel.style.width = `${percentage}%`;
|
||||
|
||||
// Change color based on level
|
||||
if (percentage > 70) {
|
||||
elements.volumeLevel.style.backgroundColor = 'rgba(244, 67, 54, 0.5)'; // Red
|
||||
elements.volumeLevel.style.backgroundColor = '#ff5252';
|
||||
} else if (percentage > 30) {
|
||||
elements.volumeLevel.style.backgroundColor = 'rgba(255, 235, 59, 0.5)'; // Yellow
|
||||
elements.volumeLevel.style.backgroundColor = '#4CAF50';
|
||||
} else {
|
||||
elements.volumeLevel.style.backgroundColor = 'rgba(0, 0, 0, 0.5)'; // Dark
|
||||
elements.volumeLevel.style.backgroundColor = '#4c84ff';
|
||||
}
|
||||
}
|
||||
|
||||
@@ -452,31 +505,16 @@ function handleSpeechState(isSilent) {
|
||||
// Transition from speaking to silence
|
||||
if (!state.silenceTimer) {
|
||||
state.silenceTimer = setTimeout(() => {
|
||||
// Silence persisted long enough - process the audio
|
||||
elements.streamButton.innerHTML = '<i class="fas fa-cog fa-spin"></i> Processing...';
|
||||
elements.streamButton.classList.remove('recording');
|
||||
elements.streamButton.classList.add('processing');
|
||||
addSystemMessage('Detected pause in speech, processing response...');
|
||||
// Only consider it a real silence after a certain duration
|
||||
// This prevents detecting brief pauses as the end of speech
|
||||
state.isSpeaking = false;
|
||||
state.silenceTimer = null;
|
||||
}, CLIENT_SILENCE_DURATION_MS);
|
||||
}
|
||||
} else if (!state.isSpeaking && !isSilent) {
|
||||
// Transition from silence to speaking
|
||||
state.isSpeaking = true;
|
||||
elements.streamButton.innerHTML = '<i class="fas fa-microphone"></i> Listening...';
|
||||
elements.streamButton.classList.add('recording');
|
||||
elements.streamButton.classList.remove('processing');
|
||||
|
||||
// Clear silence timer
|
||||
if (state.silenceTimer) {
|
||||
clearTimeout(state.silenceTimer);
|
||||
state.silenceTimer = null;
|
||||
}
|
||||
} else if (state.isSpeaking && !isSilent) {
|
||||
// Still speaking, reset silence timer
|
||||
if (state.silenceTimer) {
|
||||
clearTimeout(state.silenceTimer);
|
||||
state.silenceTimer = null;
|
||||
}
|
||||
} else if (state.silenceTimer && !isSilent) {
|
||||
// User started speaking again, cancel the silence timer
|
||||
clearTimeout(state.silenceTimer);
|
||||
state.silenceTimer = null;
|
||||
}
|
||||
|
||||
// Update speaking state for non-silent audio
|
||||
@@ -488,7 +526,7 @@ function handleSpeechState(isSilent) {
|
||||
// Send audio chunk to server
|
||||
function sendAudioChunk(audioData, speaker) {
|
||||
if (!state.socket || !state.socket.connected) {
|
||||
console.warn('Cannot send audio: socket not connected');
|
||||
console.warn('Socket not connected');
|
||||
return;
|
||||
}
|
||||
|
||||
@@ -498,10 +536,10 @@ function sendAudioChunk(audioData, speaker) {
|
||||
reader.onloadend = function() {
|
||||
const base64data = reader.result;
|
||||
|
||||
// Send to server using Socket.IO
|
||||
// Send the audio chunk to the server
|
||||
state.socket.emit('stream_audio', {
|
||||
speaker: speaker,
|
||||
audio: base64data
|
||||
audio: base64data,
|
||||
speaker: speaker
|
||||
});
|
||||
};
|
||||
|
||||
@@ -531,7 +569,7 @@ function drawVisualizer() {
|
||||
try {
|
||||
state.analyser.getByteFrequencyData(visualizerDataArray);
|
||||
} catch (e) {
|
||||
console.error("Error getting frequency data:", e);
|
||||
console.warn('Error getting frequency data:', e);
|
||||
}
|
||||
} else {
|
||||
// Fade out when not streaming
|
||||
|
||||
Reference in New Issue
Block a user