digitize

v. t. [ Digit + -ize. ] 1. To finger; as, to digitize a pen. [ R. ] Sir T. Browne.

2. (Computers) To convert (information, a signal, an image) into a form expressible in numbers or in binary notation. The original signal before digitization is usually in analog form. Digitization allows convenient storage, accurate reproduction, modification and other manipulations by digital computers. [ PJC ]