private PCMReader buildAverageFilter(Shell shell) throws IncompatibleDataTypeError {
PCMReader reader = new PCMReader();
PlotData timeData = new PlotData();
PlotCanvas timeCanvas = new PlotCanvas(shell, timeData);
timeCanvas.setup();
timeData.setDataPerHeight(0x20000000 / 1);
timeData.setDataPerWidth(30000);
timeData.xoffset = 5000;
timeData.title = "Input";
reader.addListener(timeCanvas);
LocalMaximaFilter filter1 = new LocalMaximaFilter();
filter1.connectTo(reader);
AverageFilter filter2 = new AverageFilter(100, 3);
PlotData2Y maData = new PlotData2Y();
PlotCanvas maCanvas = new PlotCanvas(shell, maData);
maCanvas.setup();
maData.setDataPerHeight(0x20000000 / 1);
maData.setDataPerWidth(30000);
maData.xoffset = 5000;
maData.title = "Average";
filter2.addListener(maCanvas);
filter2.connectTo(filter1);
return reader;
}