数据广播
Sign in to saveAlso known as data broadcasting
Datacasting (data broadcasting) is the transmission of data over a wide area using radio waves. It typically refers to supplemental information sent by television stations alongside digital terrestrial television (DTT) signals. However, datacasting can also be applied to digital data signals carried on analog TV or radio broadcasts.
Article · 中文
資料廣播（英語：datacasting，為data broadcasting的混成詞）泛指透過無線電波大範圍地播送資料；現常指的是電視台隨著數位無線電視發送的輔助性資訊。涉及數位化時較常使用「數據廣播」一詞，但資料廣播本身其實也應用於類比電視或電台廣播的無線電內容。一般無法作用在媒體的自帶資料（例如為數位無線電視或衛星電視系統定義頻道號碼的資料），或的纜線數據機、等物。
Abstract from DBpedia / Wikipedia · CC BY-SA