This package follows standard MakeMaker procedure 

That is if all goes well : 

Unpack the distribution:
  zcat Audio-0.00?.tar.gz | tar xf - 

  cd Audio-0.00?
  perl Makefile.PL
  make
  make test 

If you have recent perl or Tk installed you can then say : 

  perl -Mblib morse perl5

Then install:

  make install
  morse perl5