1. @DomName('AudioContext.createBuffer')
  2. @DocsEditable()
AudioBuffer createBuffer(int numberOfChannels, int numberOfFrames, num sampleRate)

Source 

@DomName('AudioContext.createBuffer')
@DocsEditable()
AudioBuffer createBuffer(
        int numberOfChannels, int numberOfFrames, num sampleRate) =>
    _blink.BlinkAudioContext.instance.createBuffer_Callback_3_(
        this, numberOfChannels, numberOfFrames, sampleRate);