On Sun, 09 Mar 2008 12:37:36 -0400, Kanwar Ranbir Sandhu wrote: > On Sun, 2008-03-09 at 17:19 +0100, Erik P. Olsen wrote: > > Does anybody know how to do that? > > cat file1.wav file2.wav > file.wav That can't be correct, because the .wav file format has a header. You need to use a tool like "sox" or Audacity (graphical).