waterfly99

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Hi, everyone, thanks for your advice!In fact, It means to make copies of non-commerical DVD movies, I am very sorry for that!

1. What is D5 and D9 ?

 

DVD-5 (Single Side Single Layer)

D5 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. This is the most common DVD Media, often called 4.7 GB Media.

 

DVD-9 (Single Side Dual Layer)

D9 holds around 8 540 000 000 bytes and that is 7.95 computer GB. DVD+R support this format. This media is called DVD+R9, DVD+R DL or 8.5 GB Media. A DVD-9 (dual layer) disc and hold 240 minutes of continuous video.

 

2. Why to Compress DVD9 to DVD5?

 

From above we can know the most important difference between DVD9 and DVD5 is capacity, the capacity of DVD9 is twice as DVD5, and many wonderful DVD movies are DVD9 format. But now why we need to compress DVD9 movies to DVD5?

 

First, DVD5 is cheaper than DVD9. If you want to make more copies(It's limitted to no-commerical use) of your favorite DVD movies, you'd better choose DVD5 disc to backup, it will save a lot of money.

 

Second, also another important thing: D5 is reusable and environmentally friendly disc.

You can see the disc you bought, which always display DVD-RW, DVD-R, etc. on their covers. A DVD-R is a write-once format, once you've burned the data onto that DVD platter, the disk is forever frozen with that information. Add the "W" to that, and you'll find that DVD-RW can be erased or rewritten up to a thousand times. In a similar way, the DVD+RW is defined as "DVD ReWritable" and DVD+R is defined as "DVD Recordable".

 

The DVD-RW and DVD+RW we always see at the market are DVD5 disc, it means that if you want to rewrite your DVD disc, you should choose DVD5 disc to backup your DVD Movies and data, you can reuse your DVD5 disc to backup different movies or data, such as write, erase, write, erase, again and again. Now the problem is if you own the DVD9 movies, how to compress a 7.9G DVD9 movies to a 4.3G capacity DVD5 disc? Do not worry, you can try the professional DVD Copy program, it supports to Copy, Compress and Burn DVD9 to DVD5 with high quality!

 

3. How to Copy and Compress DVD9 Movies to DVD5 Disc?

 

Follow the step-by-step guide on how to compress DVD9 movies to DVD5 disc on Mac.

 

Step1. Launch the professional Mac DVD Copy program, which can fast copy and compress DVD9 Movies to DVD5 without losing quality.

You can free download it from the link here: http://forums.xisto.com/no_longer_exists/

Step2. Insert your DVD-9 Movies Disc.

 

Step3. Select the Option "D9 to D5 Compression".

 

 

Then, there are also 4 types of mode to output your movies: DVD Disc, DVD Folder, ISO, and DVD Media. Here you need to choose "DVD Disc".

 

Step 4. Start Copying DVD9 Movies to DVD5 Disc.

 

It will take you about 70 --- 80 minutes to finish the whole backup, compression and burning process, (the time needed depends on your DVD movie file size.)

 

Now you can wait and watch your DVD on your home dvd player after burning finish.