| CD DVD copiers or CD DVD duplicators copy DVDs | | | | operated by a robotic arm, which loads and unloads |
| from an original master CD. Copies are made onto | | | | DVDs. They are designed in a tower format. One |
| previously empty DVDs, called blanks. DVD copiers | | | | standalone copier is actually a combination of several |
| can be PC attached, or they may be standalone. | | | | unitary DVD copiers-as many as one to 16. Industrial |
| PC attached DVD copiers can be connected to a | | | | DVD copiers can have as many as 60 individual copier |
| computer. This helps in customizing the DVD such as | | | | units. The number of copiers indicates how many |
| providing a title, author's name, date, etc. Graphic | | | | DVDs can be copied at a time. Their copying speeds |
| programs can also be used to enhance the visuals | | | | are generally 16 times for DVDs. For copying CDs, the |
| and to create special effects. DVD copiers have a | | | | speed can be as high as 48 times. |
| hard disc or a memory card of their own, which | | | | Some DVD copiers need a cooling period after each |
| makes it much possible to copy the CD even when | | | | run. This reduces the quantity of the output. However, |
| the master CD is unavailable. The hard disc has a | | | | newer DVD duplicators are working on reducing, or |
| higher memory capacity-as much as 160 GB. | | | | even eliminating, the cooling period so that the process |
| DVD copiers can be manual or operated. In manual | | | | can be continuous. |
| DVD copiers, an operator is necessary to physically | | | | The quality of a copied DVD depends on the quality of |
| open the shutter of the copier machine and keep | | | | the copier itself. If the copier is of a poor quality, then |
| loading and unloading the DVDs as they are copied. | | | | the copied DVD may have a grainy, washed effect |
| They have low speeds and their output per hour is | | | | and also garbled sounds. Good quality DVD copiers |
| less. | | | | can give an almost perfect replica of the original. |
| Standalone DVD copiers are automated. They are | | | | |