Am I wise to convert all my AVIs?



I am a relative noobie when it comes to video formats.

Recently I downloaded a 700 MB AVI file.

Ass I played it I wanted to jump backwards & forwards in the movie
clip . Often when I did this there was a long pause (5 or more
seconds) and then playback resumed although sometimes it was not
smooth.

I got a converter utility and extracted the MPEG-1 file from the AVI.
The MPEG-1 is about 790 MB, so it is 14% bigger than the AVI. But I
can jump back and forth with no problem and no delay.

For the extra 14% i would say it is worth having the movie as an MPEG
rather than an AVI. Would playback quality of the MPEG-1 be less
than the AVI?

My PC is not fast and maybe I notice those awful delays more than
other people do.

My question is ... what is it about AVI which makes it so popular?
If I have the disk space (and time) then is it unwise to convert all
my AVIs to MPEG-1 or whatever native format the video clip was made
in before it went into AVI form?

There must be many others with a modest PC and who also find AVIs too
demanding.

.



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