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27 Conditional=WEB_AUDIO,
29 ] RealtimeAnalyserNode : AudioNode {
30 attribute unsigned long fftSize;
31 readonly attribute unsigned long frequencyBinCount;
33 // minDecibels / maxDecibels represent the range to scale the FFT analysis data for conversion to unsigned byte values.
34 attribute float minDecibels;
35 attribute float maxDecibels;
37 // A value from 0.0 -> 1.0 where 0.0 represents no time averaging with the last analysis frame.
38 attribute float smoothingTimeConstant;
40 // Copies the current frequency data into the passed array.
41 // If the array has fewer elements than the frequencyBinCount, the excess elements will be dropped.
42 [Conditional=3D_CANVAS] void getFloatFrequencyData(in Float32Array array);
43 [Conditional=3D_CANVAS] void getByteFrequencyData(in Uint8Array array);
45 // Real-time waveform data
46 [Conditional=3D_CANVAS] void getByteTimeDomainData(in Uint8Array array);