multiples of 16 are better for when you try to record 48kHz because 144kbit is INVALID and lame is really lame and can only say it failed -3 and not give you one bit of clue wth is wrong.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11304 d0543943-73ff-0310-b7d9-9358b9ac24b2