Aside from plethora of video/audio specific features, the best aspect of VLC is that you can customize almost everything it has to offer, be it video rendering, audio settings, effects, GPU acceleration, you can excavate deep inside it and tweak with its various features. Since many users prefer VLC for watching movies and dramas with subtitles, you may want to change the default settings to make subtitles appear in a required fashion. VLC allows its user to change subtitle text color, font size and font family, text position, and overlay effects. This post will cover changing subtitle settings in VLC.
By default, it displays text having font family Arial (regular), normal font size, white font color and an Outline effect to make text look clear over the video with 0 px subtitle position which can also be changed according to video default aspect ratio.
See more : http://www.addictivetips.com/windows-tips/how-to-change-vlc-subtitles-settings/ Answered Apr, 24 2011