diff -Nur wavesurfer-1.8.5/wsurf1.8/configurations/n-waveforms.conf wavesurfer-1.8.5/wsurf1.8/configurations/n-waveforms.conf
--- wavesurfer-1.8.5/wsurf1.8/configurations/n-waveforms.conf	2005-11-01 14:29:54.000000000 +0100
+++ wavesurfer-1.8.5/wsurf1.8/configurations/n-waveforms.conf	2007-02-12 16:32:35.000000000 +0100
@@ -21,7 +21,7 @@
  $pane configure -height 50
 
  if {[wsurf::PluginEnabled analysis]} {
-    $widget analysis::addWaveform $pane
+    $widget analysis::addWaveform $pane -channel $i
  }
 }