Wikipedia already has this in much greater detail. Just look for a compression scheme like MPEG2 and you'll probably find out more than you wanted to know! Now if someone there would just post the ideal settings for each Premiere-offered codec for different purposes we'd be set.
Mike Boom At 06:36 AM 10/31/2006, tylerignite wrote: >Thats Great! This should be posted on wikipedia. > >--- In [email protected], Mike Boom <[EMAIL PROTECTED]> wrote: > > > > At 07:21 AM 10/30/2006, Taky Cheung wrote: > > >Isn't all videos are just sequence of images synched up with audio? > > > > Most video compression schemes these days (MPEG2, H.264, and so on) > > work with GOPs (Group Of Pictures) which aren't simply a sequence >of > > images. A GOP starts with a single frame (an index, or I, frame) >that > > contains a single picture in all of its detail. The following >frames > > (B and P frames) contain only information about what has changed > > since the last frame, so they require far less data because in >video > > images typically don't change much from frame to frame. > > > > An HDV camcorder records using MPEG2 with GOPs, and when you edit >HDV > > in Premiere you're working in MPEG2 as well (at least in PP 2.0). > > That's why playback feels a tad quirky sometimes. The camcorder or > > Premiere has to find an index frame before it can figure out the > > frames following it. > > > > Mike Boom > > > > > > > > >Yahoo! Groups Links > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Adobe-Premiere/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Adobe-Premiere/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
