Amplitude modulation signalling system
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Amplitude Modulation Signalling System.
A digital system for adding low bitrate information to an analogue AM broadcast signal at the same manner of RDS system for FM broadcat signals.
This system has been standardized by ETSI (TS 102 386) as an extension to the Digital Radio Mondiale (DRM) system.
- The AM Signalling System, AMSS — does your radio know what it is listening to?, article in the EBU technical review (01/2006).