There are two categories into which CD duplication can be divided, namely professional duplication and personal duplication. Many people make duplicate copies of audio tracks and images by using the CD writer in a personal computer. Unlike the personal technique, professional duplication involves services that serve large scale business sectors such as software companies and entertainment companies.The professional CD duplication process comprises of pre-analysis, mastering, copying, printing and labelling. The companies who do the CD duplication for you can also do the packaging for you and send the finished CDs directly to you.There are many service providers of CD duplication in the UK, but their expertise and equipment they use differs. CD duplication needs experienced people and the right infrastructure so services can be carried out smoothly.It can be seen that the DVD and CD duplication industry is growing all the time. If these businesses lack the right technology advances in duplication and replication, their business can suffer. Duplicating companies should thus have the basic equipment to duplicate any kind of compact disc, mini disc, or DVD.