1. @DomName('AudioContext.createPeriodicWave')
  2. @DocsEditable()
  3. @Experimental()
PeriodicWave createPeriodicWave(Float32List real, Float32List imag)

Source 

@DomName('AudioContext.createPeriodicWave')
@DocsEditable()
@Experimental() // untriaged
PeriodicWave createPeriodicWave(Float32List real, Float32List imag) =>
    _blink.BlinkAudioContext.instance
        .createPeriodicWave_Callback_2_(this, real, imag);