抄録
ABERT/SET group-Brazil had the pilot comparative tests of ISDB-T, ATSC and DVB-T in 2000. Recently, the secondaiy investigation is planned in Brazil. Preceding this, Japanese DiBEG group had pretested three ISDB-T consumer receivers and one industrial receiver in laboratory environment. Fundamental test and applicative tests such as static single echo, static multipath ensemble including "NHK A-F" and "Brazil A-H", and mobile environment were contained.