1seg sabis ne na sauti/bidiyo na dijital na wayar hannu da watsa bayanai a Japan, Argentina, Brazil, Chile, Uruguay, Paraguay, Peru, da Philippines.

1 seg an tsara shi azaman bangaren ISDB-T, tsarin watsa shirye-shiryen dijital na duniya da ake amfani da su a waɗannan ƙasashe, kamar yadda kowace tashar ta kasu kashi 13 sassan, tare da wani bangare mai raba shi da tashar ta gaba; siginar watsa shirye-shiryen HDTV ya mamaye 12 sassan, barin sauran (13th) sashi don masu karɓar wayar hannu, saboda haka sunan, “1seg” ko “daya pon”. Duba cikakken seg.