how to set the Bitrate converting mp4 and flv video to mp3 with VLC

how to set the Bitrate converting mp4 and flv video to mp3 with VLC

References

Reference NO 1

http://khom.wordpress.com/2010/04/21/convert-mp4-and-flv-video-to-mp3-with-vlc/

Reference NO 2

http://stackoverflow.com/questions/13645386/how-to-set-the-bitrate-converting-mp4-and-flv-video-to-mp3-with-vlc

Reference NO 3

http://www.techscio.com/convert-videos-using-vlc/

Reference NO 4

https://forum.videolan.org/viewtopic.php?f=14&t=56859

Reference NO 5

http://askubuntu.com/questions/80954/how-can-i-extract-audio-from-mp4-or-flv-video-files

Reference NO 6

http://mp3.about.com/od/Video-to-Mp3/qt/How-To-Convert-Video-Files-To-Mp3s-Using-Vlc-Player.htm

Reference NO 7

http://www.bigasoft.com/articles/f4f-converter-joiner.html

Reference NO 8

http://download.cnet.com/Free-FLV-to-AVI-MP4-WMV-MP3-Converter/3000-2194_4-10895641.html