noun
terrestrial digital broadcasting
Refers to digital television and radio broadcasting transmitted from ground-based stations, as opposed to satellite or cable. Commonly abbreviated as 地デジ (ちデジ).
See also: デジタル放送
日本では2011年にアナログ放送が終了し、地上デジタル放送に完全移行した。
In Japan, analog broadcasting ended in 2011 and a full transition to terrestrial digital broadcasting was made.
このテレビは地上デジタル放送に対応していないので、チューナーが必要だ。
This TV doesn't support terrestrial digital broadcasting, so a tuner is needed.