In 1990, the FCC announced that HDTV would be simultaneously broadcast (rather than augmented) and that its preference would be for a full HDTV standard (rather than the reduced resolution EDTV).

• 1990年 扑灭宣布将同步播出高清晰度电视(而非强化)；它是由一个完整的HDTV偏好标准(第edtv而非降低).