// Tone Generator Code
const audioContext = new (window.AudioContext || window.webkitAudioContext)();
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();

// Configure oscillator
oscillator.type = 'sine';
oscillator.frequency.setValueAtTime(440, audioContext.currentTime);

// Configure envelope
const now = audioContext.currentTime;
gainNode.gain.setValueAtTime(0, now);
gainNode.gain.linearRampToValueAtTime(0.5, now + 0.1);
gainNode.gain.linearRampToValueAtTime(0.35, now + 0.2);
gainNode.gain.setValueAtTime(0.35, now + 0.9);
gainNode.gain.linearRampToValueAtTime(0, now + 1);