This technical report stipulates the detailed operations along with specifying the technical parameters of practical use of digital terrestrial sound broadcasting among the standard TV broadcasts that are broadcast in conformity with the stipulations of the Ordinances and Notifications of Ministry of Internal Affairs and Communications and the ARIB standard.　These provisions have been considered so as to ensure the flexibility of broadcast program compilation of each broadcaster of digital terrestrial sound broadcasting and the expandability enabling development of broadcast services in the future.

In addition, this technical report stipulates the detailed functional specifications of receivers in accordance with ARIB standard STD-B30. Digital terrestrial sound broadcasters are to operate the transmission on premise of the defined functional specifications to perform digital terrestrial sound broadcasting services smoothly without impairing viewers’ convenience. However the actual implementation of the functional specifications of receivers is left to product planning of receiver manufacturers.