Added pulseaudio-esound-compat dependency, required to make the software working.
Index: xoscope-2.0/debian/control
===================================================================
--- xoscope-2.0.orig/debian/control	2012-05-03 15:30:14.129485159 +0200
+++ xoscope-2.0/debian/control	2012-05-03 15:31:39.621909096 +0200
@@ -9,7 +9,7 @@
 
 Package: xoscope
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
+Depends: ${shlibs:Depends}, ${misc:Depends}, pulseaudio-esound-compat
 Description: digital oscilloscope
  Xoscope is a oscilloscope using input from a 
  sound card or EsounD and/or a ProbeScope/osziFOX and will soon support