AudioBuffer: sampleRate-Eigenschaft

// Stereo
const channels = 2;
// Create an empty two second stereo buffer at the
// sample rate of the AudioContext
const frameCount = audioCtx.sampleRate * 2.0;
const myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
button.onclick = () => {
 // Fill the buffer with white noise;
 // just random values between -1.0 and 1.0
 for (let channel = 0; channel < channels; channel++) {
 // This gives us the actual ArrayBuffer that contains the data
 const nowBuffering = myArrayBuffer.getChannelData(channel);
 for (let i = 0; i < frameCount; i++) {
 // Math.random() is in [0; 1.0]
 // audio needs to be in [-1.0; 1.0]
 nowBuffering[i] = Math.random() * 2 - 1;
 }
 }
 console.log(myArrayBuffer.sampleRate);
};

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