What is the difference between DVD plus r and DVD minus r?

Answer 1

Answer

DVD+R and DVD-R are different in that certain DVD players can only play a specific kind of disk. If you read the information provided with you DVD player you can find which disk type your player requires. Computers with DVD players in them are able to play both disk types.

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DVD+ media performs better at high speeds due to the technique it uses (ADIP) to control and link different sessions. The principal user difference is that the 'header track' is not pre-written on the +R media; this allows burner software to use 'bitsetting'. Bitsetting is the process where the disc information written on the header is set to tell the reading drive that the disc is actually another type of disc, typically DVD-ROM. As DVD-ROM is the format that movies and games that are bought from the shops use, a disc that is bitset will play in almost any DVD player thus eliminating the compatibility problem.