File imports - AVI, ASF, Mp4, etc. - may be different formats than that recorded to DVD.
On what equipment are you playing the DVD? Has the correct format been recorded?
Does it play in Media Player Classic, a free all-purpose player that has no problem with most DVDs?
http://mpc-hc.org/
Can you upload a short sample to FTP/cloud storeage and link it here? Copy the VOB file from the
burned disk and send it to the cloud server.