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);
}