Pitch Shifter - Html5 - Tai Phan Mem

animationId = requestAnimationFrame(draw); analyserNode.getByteTimeDomainData(dataArray); // waveform ctx.clearRect(0, 0, width, height); ctx.fillStyle = "#030307"; ctx.fillRect(0, 0, width, height); ctx.beginPath(); ctx.strokeStyle = "#64ffda"; ctx.lineWidth = 2.5; ctx.shadowBlur = 0; const sliceWidth = width / bufferLength; let x = 0; for (let i = 0; i < bufferLength; i++) const v = dataArray[i] / 128.0; const y = v * (height / 2); if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y); x += sliceWidth;

: Thư viện âm thanh phổ biến nhất cho Web Audio. Bạn có thể sử dụng node Tone.PitchShift để xử lý thời gian thực. tai phan mem pitch shifter - html5

const audioCtx = new AudioContext(); await audioCtx.audioWorklet.addModule('pitch-shifter-processor.js'); const shifter = new AudioWorkletNode(audioCtx, 'pitch-shifter'); // Connect microphone or file navigator.mediaDevices.getUserMedia( audio: true ) .then(stream => const source = audioCtx.createMediaStreamSource(stream); source.connect(shifter).connect(audioCtx.destination); ); shifter.parameters.get('pitchShift').value = 1.5; // raise pitch animationId = requestAnimationFrame(draw); analyserNode

: Use the slider or semitone buttons to raise or lower the tone. animationId = requestAnimationFrame(draw)