Guest Editorial Special Issue on Brazilian DTV+ (TV 3.0): Transforming Broadcasting for the Future. - Cristiano Akamine; Yiyan Wu 001; Liang Zhang 001; Sung-Ik Park; Débora C. Muchaluat-Saade; Marcelo F. Moreno; Jeongchang Kim; Sungjun Ahn; Jon Montalban; Rafael Sotelo; Mylène C. Q. Farias; Guido Lemos; et al. (IEEE Trans. Broadcast., 2026)