1) Conversion 2) Digitisation 1) Digitisation 
(from the article `Media and Publishing`) ...success of the World eBook Fair, coordinated by Project Gutenberg. The five-week online giveaway of electronic books saw more than 30 million ... The proliferation of consumer electronics gadgets continued in 2006 as it became routine to encounter people speaking on cellular phones, listening...
[n] - conversion of analog information into digital information
digitization To put (data, for example) into digital form.
digitisation noun conversion of analog information into digital information