how can i edit video files having mu-law audio codec with avidemux under Debian Lenny? http://img40.imageshack.us/img40/9793/kpernykpm.png http://img40.imageshack.us/img40/3505/kpernykp1t.png what package do i need to install? please help me! my Nikon Coolpix L21 had made this video... thank you!