Definition
Web Audio API defines AnalyserNode
[Exposed=Window]
interface AnalyserNode : AudioNode {
constructor (BaseAudioContext context, optional AnalyserOptions options = {});
undefined getFloatFrequencyData (Float32Array array);
undefined getByteFrequencyData (Uint8Array array);
undefined getFloatTimeDomainData (Float32Array array);
undefined getByteTimeDomainData (Uint8Array array);
attribute unsigned long fftSize;
readonly attribute unsigned long frequencyBinCount;
attribute double minDecibels;
attribute double maxDecibels;
attribute double smoothingTimeConstant;
};