Apple's new HDTV shows are huge!

**deathshadow391** · 09-10-2008, 01:23 AM

I just tried to download an HDTV show off of iTunes 8.0 and the size of a 40 minute show can easily be about 1.3gb. that seems like a bit too marge for my hard drive. Has anybody else tried to get HD shows yet?

**Ipp** · 09-10-2008, 09:19 AM

I have ripped HD Shows myself and they are just as big. Imagine ripping a blueray dvd, that is when files get huge.

**Java** · 09-10-2008, 12:46 PM

Quote:

Originally Posted by Ipp

I have ripped HD Shows myself and they are just as big. Imagine ripping a blueray dvd, that is when files get huge.

that is when TB becomes the new MB. hehehe!

**davferg15** · 09-10-2008, 04:20 PM

just wonderin,
would converting the show to a .ZIP file decrease the size at all? (it might sound dumb but i dont know much about converting files or stuff like that)

**Ipp** · 09-10-2008, 04:47 PM

Quote:

Originally Posted by davferg15

just wonderin,
would converting the show to a .ZIP file decrease the size at all? (it might sound dumb but i dont know much about converting files or stuff like that)

Basically file compression just looks for repeated things and instead of listing them out as repeats it puts a marker which refers back to the previous(same) item. Instead of using XX bytes to say there is a word it uses x bytes.

Example out of my post i used:
Instead: 2 times
Of: 2 times
It: 2 times
To: 2 times
Bytes: 2 times

There are 190 total characters(without spaces) in that example. If you take out the repeats(leave 1 for the reference and leave 1 character for the marker that is 13 characters you eliminated. Which makes it ~15% smaller. That was a very basic algorithm, the ones in zip,rar,etc are much more complex and computers read in 1 or 0 so the chance of repeating is much much more likely.

However pictures, movies, sounds,etc are not as redundant as text and does not repeat much if at all, therefore it is very hard to compress them without permanently losing quality.

Hopefully that makes sense let me know if it did/doesnt.

**davferg15** · 09-11-2008, 07:23 AM

ya that makes perfect sense! tanks for your help!
now i understand what that really does...maybe you should make a tutorial about different types of files/what they do and how they do it