Thank you for your reply. I think that this anime is the best example as its opening has a quite complicated karaoke effect.
[Doki] Guilty Crown - 14 (1280x720 h264 AAC) [FC675E42].mkv Torrent Download
Try to play it with BSPlayer and Windows Media Player or any other player, you will see the difference. When I get home I will try to do what you suggested, I hope this will work.