How to Copy Two DVDs to One
- 1). Insert the first DVD you want to copy into your DVD-ROM drive.
- 2). Copy the footage to your computer using DVD-ripping software. Many DVD ripping products, such as WinX DVD and AoA DVD Ripper, offer free trials of their product. Save your ripped files in .mp4 or .mpeg format.
- 3). Insert the second DVD you want to copy into your DVD-ROM drive and repeat step two.
- 4). Open your video-editing software and import the two .mp4 or .mpeg files you created. Place them on your video-editing software's timeline in the order you want them to appear.
- 5). Export the file you created in your video-editing program as a .wmv or .mpg file. The .wmv and .mpg format will reduce your file size and make it more likely that your files will fit on one DVD.
- 6). Insert a blank DVD-ROM disk into your DVD-RW drive. Burn the file you created in step five to your blank DVD-ROM using DVD burning software. You can use the burning software that comes with Windows, or you can use third-party burning software such as "Nero 7" or "Alcohol 120 Percent."
Source...