Single/Multi Channel Simulcast is the simultaneous transmission of an amplitude modulated and Digital Radio Mondiale (DRM) in the same (SingleChannel Simulcast - SCS) or a neighbouring channel (MultiChannel Simulcast - MCS). To produce this SCS multiplex signal, the initial carrier is modulated by the DRM signal using quadrature phase modulation.
Single/Multi Channel Simulcast is the simultaneous transmission of an amplitude modulated and Digital Radio Mondiale (DRM) in the same (SingleChannel Simulcast - SCS) or a neighbouring channel (MultiChannel Simulcast - MCS). To produce this SCS multiplex signal, the initial carrier is modulated by the DRM signal using quadrature phase modulation.
Source: Wikipedia "Single Channel Simulcast" · CC BY-SA 4.0
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