Whenever I burn a movie, there is an option to tick DAO Disk At Once Closed TAO Track At once Closed TAO Track At Once Open Which do I choose and pls explain why since I am new. For movies, is it necessary to mark the options - Reduce background sound - Normalize tracks (how many percent) I hope someone can enlighten me on the above because my earlier software was more straightforward, this one SONIC LE v 7 has confusing options. Also, what is Mode 1 and Mode 2xA Thanks so much