Since we have a new crop of Sony fanboys once again claiming the 360 version of GTA4 will need to be cut down to fit on DVD, let's forget the fact the 360 currently has 2 sandbox games available for it right now that all fit on 1 DVD and look at some other facts.
Let's start by listing the contents of a game disc. We put it in order on how much space they take up from most to least:
1) FMV (Full Motion Video aka CG cut scenes - especially the HD ones)
2) Audio (Background music, spoken dialogue, sound effects)
3) Textures/Shaders (especially high resolution)
4) Geometry (the polygons you see on screen)
5) Game code (programming stuff)
With that done, anybody the knows anything about any GTA made beginning with GTA3 knows no FMV has ever been used in them. Cutscenes are made using the game engine. So that eliminates the biggest space hog on a game disc right there. So let's start with:
2) Audio - As we know every GTA games is filled to the brim with licensed music. Between that, the spoken dialogue and sound effect, audio files take up at lest 70% of a GTA game disc.Â
But guess what? Audio can be done in compressed formats and still keep its quality.
I introduce to you the OGG VORBIS format:
In the commercial sector, Vorbis support is on the rise. Many mainstream video game titles such as Unreal Tournament and Grand Theft Auto: San Andreas store in-game audio as Vorbis. Popular software players support Ogg Vorbis playback either natively or through an external plugin.
What that statement doesn't mention is that ogg was used in the Xbox and PC versions of GTA: SA and not the PS2 version. Which is why the PS2 version took up a whole DVD while the Xbox/PC versions took up less than half of one.
......to be continued ;)
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