Making huge number of audio CDs using a CD burner is time consuming. To make large quantities of CDs within shortest possible time CD duplication has made this possible. CD duplication and CD replication are the two methods of cd pressing.

For small quantity of CD copies CD duplication is sufficient. For larger quantities of CD copies CD pressing is ideal. In CD pressing the data from the master copier is pressed in the blank CDs.

To create multiple copies of CDs for commercial purpose CD replication is more convenient. It gives professional touch to the CDs. The movie, song or music CDs that is out in the market are replicated copies.