Abstract

This paper reports on the speech synthesis module used to present spoken traffic messages through the car radio, as part of the “Traffic Message Control” system RDS-TMC. One of the basic ideas of this intended Pan-European service is its ability to provide traffic information in the driver's native language, independent of the language used in the geographical area or used for broadcasting. To accomplish this for an unlimited set of location names, speech synthesis is a must. To achieve best speech quality, text-to-speech techniques are combined with phonetic input that has been optimised off-line, resulting in a flexible system with almost natural sounding speech output. A prototype has been developed for German. First TMC radios for German and Germany will be presented at Internationale Funkausstellung by end of August 1997 in Berlin, which also is the start date for a regular TMC broadcasting service. Other countries and languages will follow in 1998.

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