Wrapping? - What is it.

[dark_naruto]

hi all,

question of a noob..,

what are wrappers? what do they do?

I always came across this terms whenever we are discussing formats. and i'm really confused. example is:
self contained MOV (quicktime) wrapping DVCPRO50 NTSC 4:3 720x480

or

a file wrapped in MXF..

err.. again what does this mean?

please enlighten me.

thanks.

[Marc Peters]

The wrapper is what's used to deliver the video. AVI, for example, is the predominent wrapper for delivering video under windows encoded in a multitude of formats.

[dark_naruto]

AHA!!! thanks Marc.