Mp4 recording to Wma/mp3 convert?

Hi, guys, convert mp4 format file to WMA or MP3 format file, so easy, you just need to use a right software to help you, I'm using RZ Audio Converter to do that fine, it can convert any video files or audio files to any format audio files, such as convert mp4 file to WMA or MP3 format file, yahoo or google search and download RZ Audio Converter, hope it can help you.