How can I improve video quality?

using pe11, pc, windows 7.  quality of added video media lower media in pc file, , video quality on project's dvd burned pe11 lower.  i've spent weeks on project , disappointed results.  video poor resolution , text unreadable.  there fix? 

step 1 - tell editing

codec & format information, 2 links inside read

-read both links in reply #1 http://forums.adobe.com/thread/1270588

report codec details of file, use programs below... screen shot works show people doing

http://forums.adobe.com/thread/592070?tstart=30

for pc http://mediainfo.sourceforge.net/en or http://www.headbands.com/gspot/

 

after provide details, should able go step 2, provide ideas improvement

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