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HTML5 JS API Index > Web Audio Tutorials & Specs

AnalyserNode

Extends AudioNode.

This interface represents a node which is able to provide real-time frequency and time-domain analysis information. The audio stream will be passed un-processed from input to output.

Properties
unsigned longfftSize
unsigned longfrequencyBinCount
doublemaxDecibels
doubleminDecibels
doublesmoothingTimeConstant
Operations
voidgetByteFrequencyData(Uint8Array array)
voidgetByteTimeDomainData(Uint8Array array)
voidgetFloatFrequencyData(Float32Array array)