RealNetworks maintains its RealDVD software is a convenience to consumersRealNetworks and Hollywood studios squared off on Friday in a US District Court in San Francisco where Judge Marilyn Hall Patel will determine if the program RealDVD violates laws created to prevent the copying of DVDs that use digital-rights-management technology. RealDVD is a $30, £20, software program that allowed you to copy DVDs onto your computer. Last year a judge halted the sale of the program.