noun
terrestrial digital television broadcasting
Technical term for over-the-air digital TV broadcasting, as opposed to satellite or cable. Often abbreviated as 地デジ (ちデジ) in everyday conversation.
See also: 地上デジタル放送
日本では2011年に地上デジタルテレビ放送へ完全移行した。
Japan completed the full transition to terrestrial digital television broadcasting in 2011.
地上デジタルテレビ放送を受信するには専用のチューナーが必要です。
A dedicated tuner is required to receive terrestrial digital television broadcasts.