inaccurate ripping

I use Grip 3.3.1 on Ubuntu Dapper. I decided to rip my CD collection and 
encode it in ogg. Grip recognises CDs fine and fills the fields however 
when I try to make some changes with EasyTag, the ripped CDs are not 
recognised by freedb. It looks like the length of song is somehow 
different from what it should be. The songs end properly but it seems 
that the beginnings are slightly cut off. I wonder why it is happening? 
I tried a sound juicer and it rips fine though does not provide 
configuration options of Grip.

Any help?


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