i have a problem in compressing files, 1st when i convert a bunch of episodes like tv series usually have 25 episodes and i like to watch it in dvd player, when i convert it i use that by output size is 4300mb which is 4.3gb so i think it will compress in 4.3gb in all episode, but when i convert it it gave me separate folder and the 1st folder have a 4.3gb size and another is 2.6gb can i compress that 2 folder to make it 4.3gb size?

when my conversion is done why is it when i burn it and play it in dvd player. and in option i have 600 seconds per chapter, every 10 min in my dvd player why is it moving slow its so slow motion and when i pause and play its good to go again and after 10 min again it happens again. i tried it 4 times, can anyone help me? thanks