This is a vector imaging format used in the CorelDRAW editor. It has a template that can be applied for other designs, including styles, grid parameters, page layout and other parameters. The CDT template allows for the creation of several images in one style without changing the settings in manual mode.
The MTV file type is primarily associated with MTV. MTV is a file format created to allow video playback capabilities on inexpensive Chinese-made portable MP4 players without increasing the cost of those players with license royalties and more processor power. One use of this file format is in a product called the MP4 Watch.