Assertion: digital television | /r/CapableOf | save scarce radio spectrum space
Facets:
Source sentences:
text: Digital television (DTV) transmission systems, which replaced older analog television in a transition beginning in 2006, use image compression and high efficiency digital modulation such as OFDM and 8VSB to transmit HDTV video within a smaller bandwidth than the old analog channels, saving scarce radio spectrum space.