singleChannelWaveformPanels = new ArrayList();
audioInfo = new AudioInfo(audioInputStream);
for (int t=0; t<audioInfo.getNumberOfChannels(); t++){
SingleWaveformPanel waveformPanel
= new SingleWaveformPanel(audioInfo, t);
singleChannelWaveformPanels.add(waveformPanel);
add(createChannelDisplay(waveformPanel, t));
}