Linh realized she didn't need to "download" a traditional program anymore. The "software" was already there, hidden in the code of her browser, waiting to transform her music with a simple slide of a bar. web-based editor for a specific file? foxdog-studios/pitch-shifter-chrome-extension - GitHub
Dưới đây là các lựa chọn phổ biến nhất để bạn tải về hoặc sử dụng: 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 Linh realized she didn't need to "download" a
// WebAudio core let audioContext = null; let audioBuffer = null; // decoded audio data let sourceNode = null; // current buffer source let gainNode = null; // master gain / volume (optional usage but good practice) let isPlaying = false; let startTime = 0; // context.currentTime when playback started let pauseOffset = 0; // elapsed seconds at pause let currentSemitones = Math.log2(currentRatio) * 12