Mem Pitch Shifter - Html5: Tai Phan

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"> <title>Real-Time Pitch Shifter | HTML5 Audio Processor</title> <style> * box-sizing: border-box; user-select: none; /* better UX for sliders, but text still selectable if needed */

Simple controls: play/stop, pitch slider (0.5x to 2.0x), bypass toggle. tai phan mem pitch shifter - html5

else let currentRatio = parseFloat(pitchSlider.value); let currentSemitones = Math.log2(currentRatio) * 12; let newSemitones = currentSemitones + semitoneVal; let newRatio = Math.pow(2, newSemitones / 12); newRatio = Math.min(2.0, Math.max(0.5, newRatio)); pitchSlider.value = newRatio; currentPitch = newRatio; pitchReadout.innerText = newRatio.toFixed(2) + 'x'; if (sourceNode && sourceNode.playbackRate) sourceNode.playbackRate.value = newRatio; else if (currentBuffer && isPlaying) playWithPitch(newRatio); else if (currentBuffer && !isPlaying) // nothing meta name="viewport" content="width=device-width

Cao độ thay đổi sẽ kéo theo tốc độ phát thay đổi (giống như tua nhanh/chậm băng cassette). * box-sizing: border-box

Shift factor s (range 0.5 to 2.0).