OfflineAudioContext(int numberOfChannels, int numberOfFrames, num sampleRate)

Source

@DomName('OfflineAudioContext.OfflineAudioContext')
@DocsEditable()
factory OfflineAudioContext(int numberOfChannels, int numberOfFrames, num sampleRate) {
  return _blink.BlinkOfflineAudioContext.instance.constructorCallback_3_(numberOfChannels, numberOfFrames, sampleRate);
}