Tai Phan Mem Pitch Shifter - Html5 Now

playBtn.addEventListener('click', () => if (!audioBuffer) statusTextSpan.innerText = "Please load an audio file first"; return; if (!audioContext );

// Event binding pitchSlider.addEventListener('input', (e) => { const val = parseFloat(e.target.value); updatePitchUI(val); // If currently playing, dynamically update the playback rate on the fly if (sourceNode && isPlaying && audioContext && audioContext.state === 'running') { try sourceNode.playbackRate.value = semitonesToRate(currentPitchSemitones); catch(err) {} } }); tai phan mem pitch shifter - html5

footer font-size: 0.7rem; text-align: center; margin-top: 2rem; color: #4b556b; playBtn

.st-btn:active transform: scale(0.96);

// Override start source tracking let originalCreate = createAndStartSource; // Redefine createAndStartSource with startTime tracking window._sourceStartTime = null; if (!audioContext )

// --- Audio context & nodes --- let audioContext = null; let sourceNode = null; // current active buffer source let audioBuffer = null; // decoded audio data let isPlaying = false; let currentPitchSemitones = 0; // value in semitones (-12..12) let startTime = 0; let pauseOffset = 0; // seconds where playback paused let isContextSuspended = false;

// Replace pause pauseAudio = patchedPauseAudio;