AMR to MP3 conversion with FFMPEG

Question

I\'m trying to convert AMR audio files to MP3 using FFMPEG. I\'m running on Ubuntu 10.10 with VBox on Windows 7 host and i\'ve installed ffmpeg by running sudo apt-get

Answer 1

My command for Thunar custom actions:

ffmpeg -i *.amr -ar 12000 lastcall.mp3

Appearance condition *.amr and bellow: "image file"