Imperial broadcast of surrender; Hirohito's radio address ending WWII
Specifically refers to the recorded radio broadcast of Emperor Hirohito on August 15, 1945, announcing Japan's acceptance of the Potsdam Declaration and the end of World War II. A historical term with no modern usage outside this context.
See also: ポツダム宣言
The Imperial broadcast of surrender was aired on August 15, 1945.
Many citizens heard the Emperor's voice for the first time through the Gyokuon-hōsō.