, including several audio tracks in formats like stereo, Dolby Digital or DTS and also advanced menu systems, subtitles and still pictures that can be played by many standalone DVD Players and most computer DVD-ROMs. If you choose to lower the video quality it is possible to store several hours video on a recordable DVD using low bitrates and low resolution with video quality more like VHS, SVHS, SVCD, CVD or VCD. It is also possible to have up to 4.37* GB ordinary data or mix DVD-Video and data on a recordable DVD that can be played by most computer DVD-ROMs. Refer to the sizes of DVD, it may be a bit confusing. There are basically 4different DVD Sizes.

DVD-5 , holds around 4,700,000,000 bytes and that is 4.37 computer GB where 1 kbyte is 1024 bytes. DVD+R/DVD+RW and DVD-R/DVD-RW support this format. It is also called Single Sided Single Layered. This is the most common DVD Media, often called 4.7 GB Media.

DVD-10 ,holds around 9,400,000,000 bytes and that is 8.75 computer GB. DVD+R/DVD+RW and DVD-R/DVD-RW support this format. It is also called Double Sided Single Layered.

DVD-9, holds around 8 540,000,000 bytes and that is 7.95 computer GB. DVD+R supports this format. It is also called Single Sided Dual Layered. This media is called DVD-R9, DVD-R DL, DVD+R9, DVD+R DL or 8.5 GB Media.

DVD-18, holds around 17,080,000,000 bytes and that is 15.9 computer GB. DVD+R supports this format. It can be called Double Sided or Dual Layered.

Choose the suitable DVD size for your files or your family photos is very important. It will give you a high performance when you have an intelligent decision. If you fail in it, you will waste many spaces, or you may put some irrelevant files together, which will make a confession to you in the future. You may need to tie it again with some software help, and it will waste your time. However, if you have come across this problem, please change your mind now. Start to class your favorite files in the suitable DVD. If you do not know how to do it, you can get some help from the special software, such as some DVD Copy software. From my personal experience, I am very satisfied in iTopsoft DVD Copy. It helps me to copy my favorite files and movies in DVD. More important is that it supports DVD-5 and DVD-9. With an easy operation interface and program setting, everyone can burn DVD and copy DVD folder. It allows you to burn DVD movies to new DVD and copy DVD to DVD folders and save them on your computer. All of these are safety to your original DVD disc.