footer font-size: 0.7rem; text-align: center; margin-top: 2rem; color: #4b556b;
const result = createAndStartSource(startOffset); if (result) statusTextSpan.innerText = "Playing"; // ensure context running if (audioContext.state === 'suspended') audioContext.resume(); tai phan mem pitch shifter - html5
// load and decode audio file async function loadAudioFile(file) if (!file) return; statusTextSpan.innerText = "Loading..."; fileInfoSpan.innerText = file.name; const arrayBuffer = await file.arrayBuffer(); if (!audioContext) initAudioContext(); // ensure context not closed if (audioContext.state === 'closed') initAudioContext(); try const decoded = await audioContext.decodeAudioData(arrayBuffer); audioBuffer = decoded; // Reset state stopAudio(true); pauseOffset = 0; isPlaying = false; updatePlayButtonsState(); statusTextSpan.innerText = "Loaded"; fileInfoSpan.innerText = `$file.name ($decoded.duration.toFixed(1)s)`; // reset pitch display to 0 semitone for new track if (currentPitchSemitones !== 0) currentPitchSemitones = 0; updatePitchUI(0); else updatePitchUI(0); catch (err) console.error(err); statusTextSpan.innerText = "Decode error"; fileInfoSpan.innerText = "Invalid audio"; audioBuffer = null; updatePlayButtonsState(); footer font-size: 0
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes"> <title>Tai Phần Mềm Pitch Shifter | Real-Time Audio Pitch Shifter (HTML5)</title> <style> * box-sizing: border-box; user-select: none; /* cleaner UI for knobs, but text select allowed */ footer font-size: 0.7rem
// Replace pause pauseAudio = patchedPauseAudio;