xboxscene.org forums

Author Topic: Whats The Smallest File Format?  (Read 66 times)

classicsat

  • Archived User
  • Jr. Member
  • *
  • Posts: 81
Whats The Smallest File Format?
« on: August 30, 2006, 09:03:00 AM »
AVI is just a package. You need to use the right codec. I use Xvid, which isn't that bad, IMO.
Logged

jinn

  • Archived User
  • Jr. Member
  • *
  • Posts: 90
Whats The Smallest File Format?
« Reply #1 on: August 31, 2006, 12:42:00 AM »
check doom9.net good info about xvid divx wmv etc.
Logged

jcdenton2003

  • Archived User
  • Full Member
  • *
  • Posts: 156
Whats The Smallest File Format?
« Reply #2 on: August 31, 2006, 05:38:00 AM »
Avi are smallest size.. divx is a avi player.
Logged

classicsat

  • Archived User
  • Jr. Member
  • *
  • Posts: 81
Whats The Smallest File Format?
« Reply #3 on: August 31, 2006, 04:17:00 PM »
AVI is just a package to carry audio and video, Divx and Xvid are codecs which compress the video and audio..
Logged

gsgleason

  • Archived User
  • Full Member
  • *
  • Posts: 197
Whats The Smallest File Format?
« Reply #4 on: October 15, 2006, 09:02:00 AM »
As previously stated, the file name has nothing to do with it.  avi, mp4 are just containers.

The encoding and compression is what determines the size.  For instance, if you encode an mp3 at 320kpbs, it is going to be huge, regardless of the fact that it is an mp3.

mp4 is mpeg layer or level 4 - divx and xvid are commong mpeg4 codecs, each of which can be configured to specific compressions, resulting in large or small files.

seriously, visit the doom9 forums and do some reading in the mpeg4 and company section.
Logged

mammlouk

  • Archived User
  • Newbie
  • *
  • Posts: 23
Whats The Smallest File Format?
« Reply #5 on: October 16, 2006, 09:58:00 PM »
QUOTE(timdog82001 @ Oct 16 2006, 04:44 PM) View Post

in simple terms, divx and xvid are basically types of AVI, and xvid is considered to have better compression than divx.  I have recently noticed however, that if you're looking for high quality compression, real media files actually seem to have rather astonishing quality under high compression.  A 150 mb 40 minute episode of alias in real media format is suprisingly close in quality to 350 mb avi files.  I would like to see a comparison between the two in the same file size using whatever compression methods the person who did the alias files used.


I am a big fan of XviD, but have also had good results with Real Video 9 in the past.  It just depends on what you are looking for.  RV9 can give off a higher "perceived" quality because it keeps the foreground very sharp and clear, but smooths the details out of the background.  People who are extremely anal about these things will likely take XviD as a better codec and will more than likely always be willing to give abit more space for videos to look good.  Another great benefit for XviD is that it is a completely open source implementaion instead of being driven by a corporation.
Logged