Use Smartripper to rip the Movie to your HD, dont try any fancy Audio extraction.
Then run DVD2AVI 1.76, (d/l from h**p://arbor.ee.ntu.edu.tw/~jackei/dvd2avi/ load in VOB files and in Audio, click 48 -> 44.1 to High. Then save project. Soon you will have one large WAV file of the audio track of the WHOLE CD. Edit it, do what you want with it.
Have a look at the DVD to (S)VCD Tutorial in Tutorial section for further explanation on how to rip with Smartripper and DVD2AVI.