Assertion: cd's data | /r/Synonym | subcode
Facets:
Source sentences:
text: Besides digital audio, a CD contains digital data called 'subcode', which is multiplexed with the digital audio.
text: Next, the audio program is transferred to a 3/4-inch (1.9 centimeters) video tape, and then data (called subcodes) used for indexing and tracking the music is added to the audio data on the tape.