can preview successful iDVD project but no sound when burn
iMac 11,2
OS X Yosemite 10.10.3
3.06 GHz intel Core i3
Memory 4G
Speed 5.86 GT/s
available storage 243.5 (499.25)
I put onto iDVD project a number of YouTube videos and at preview looked good but on burning, some of the videos had no sound. This has happened before but i put it down to the project being too big and/or I got tired trying to figure out what went wrong! I will appreciate your help.
iMac, OS X Yosemite (10.10.3)