The Collaborative International Dictionary of English v.0.48:

digitalize \digitalize\ v. t.
   1. to record digitally, e. g. on digital tape or compact
      disks.

   Syn: digitize.
        [WordNet 1.5]

   2. to convert from a non-digital form (such as a voltage or
      an image or an analog recording) to a digital[2] form, for
      storage or transmission.

   Syn: digitize.
        [PJC]

WordNet (r) 3.0 (2006):

digitalize
    v 1: put into digital form, as for use in a computer; "he bought
         a device to digitize the data" [syn: digitize,
         digitise, digitalize, digitalise]
    2: administer digitalis such that the patient benefits maximally
       without getting adverse effects