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Digital radio broadcast systems, like HD-Radio™ and Satellite Radio, provide crystal clear sound. However, since they are essentially bits and bytes, they could also be used for distributing traffic and weather information or any other supplementary information. Due to considerably enhanced compression techniques, digital broadcast systems could also carry surround sound, which significantly improves the sound perception. Integration of the digital tuners in an automotive environment are mainly through MOST ring topologies, which allow flexibly adding different tuner modules depending on customer preferences and standards used in different markets. This paper aims at providing a more detailed insight into the aforementioned trends and developments, with a specific focus on premium segment automobiles.