Shifter - Html5: Tai Phan Mem Pitch

.knob-label display: flex; justify-content: space-between; font-weight: 600; color: #ccd6f0; margin-bottom: 0.5rem;

/* Audio controls */ .audio-controls display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap; margin-bottom: 1.8rem; tai phan mem pitch shifter - html5

function updatePlayButtonsState() const hasBuffer = !!audioBuffer; playBtn.disabled = !hasBuffer; pauseStopBtn.disabled = !hasBuffer; if (hasBuffer) playBtn.innerText = isPlaying ? "▶️ Playing..." : "▶️ Play"; pauseStopBtn.innerText = isPlaying ? "⏸️ Pause" : "⏹️ Stop"; else playBtn.innerText = "▶️ Play"; pauseStopBtn.innerText = "⏸️ Pause/Stop"; .knob-label display: flex

footer font-size: 0.7rem; text-align: center; margin-top: 2rem; color: #4b556b; playBtn.disabled = !hasBuffer

playBtn.addEventListener('click', () => audioContext.state === 'closed') initAudioContext(); if (audioContext && audioContext.state === 'suspended') audioContext.resume().then(() => if (isPlaying && sourceNode) return; playAudio(); ).catch(e => console.warn); else playAudio(); );