Apparatus for broadcasting audio signals; apparatus for broadcasting visual signals; broadcasting apparatus; broadcasting instruments; cameras for use in broadcasting; digital video apparatus for broadcasting; direct broadcasting apparatus for the reception of data; direct broadcasting apparatus for the reception of programmes; direct broadcasting apparatus for the transmission of data; direct broadcasting apparatus for the transmission of programmes; portable cameras for making video programmes for television broadcasting; portable cameras for use in television broadcasting; radio broadcasting sets; sound mixing apparatus for the broadcasting of theatre sound; antennae arrays for use in radio broadcasting; apparatus for broadcasting audio signals; apparatus for broadcasting visual signals; audiovisual apparatus for use in satellite broadcasting; background audio broadcasting apparatus; broadcasting apparatus; broadcasting instruments; cameras for use in broadcasting; digital video apparatus for broadcasting; direct broadcasting apparatus for the reception of data; direct broadcasting apparatus for the reception of programmes; direct broadcasting apparatus for the transmission of data; direct broadcasting apparatus for the transmission of programmes; frequency modulated stereo broadcasting apparatus; mobile radio broadcasting units; mobile television broadcasting units; portable cameras for making video programmes for television broadcasting; portable cameras for use in television broadcasting; radio broadcasting sets; satellite broadcasting antennae; satellite broadcasting apparatus; satellite broadcasting instruments; sound mixing apparatus for the broadcasting of theatre sound; transmitters for broadcasting in frequency modulation