Are we talking about SD or HD recordings ?. What are you using to replay the file. You could try Splash Lite which will work with Mp2 (SD) and AAC (HD), and has a audio lipsync adjustment capability.
I don’t have a HDR2000T but I do have the similar HDR FOX T2. No problem in playing back files from it on a windows PC. Have you tried the free media player from Myrillis ?. I use Splash Pro Ex which is a more advanced version of the free package. Splash Lite worked fine for me when I had it installed.