Resources of human knowledge or expression, whether cultural, educational, scientific and administrative, or embracing technical, legal, medical and other kinds of information, are increasingly created digitally, or converted into digital form from existing analogue resources.

UNESCO: Communication and Information

Modern media production is largely done with what are called File Based Workflows in which rich video content may be captured digitally or converted into digital form and then editing and other post production work is done on this digital content.

FORBES: Lights, Cameras and Digital Storage

In this case, it refers to taking a series of tiny snapshots of the analog audio to be converted into a digital number.

ENGADGET: Primed: digital audio basics Mobile

How it works:Ones and zeroes of digital data are first converted into checkerboard "pages"of bright and dark pixels using a liquid-crystal panel called a spatial light modulator.

FORBES

Regardless of what option they choose, a label should create its own digital files (WAV files that can be converted into other formats) and its own meta data -- it's not rocket science and a label knows its own content better than any third party.

CNN: Distributing music independently online