Assertion: cd | /r/UsedFor | refer to digital audio playback format
Facets:
value: into pits on a disc
type: TRANSITIVE-OBJECT
Source sentences:
text: Compact Disc refers to both the disc and the digital audio playback format developed by Philips and Sony in which audio is digitally encoded, similar to the way computer data is encoded (1's and 0's), into pits on a disc, using a process called PCM.