Most automotive navigation systems incorporate sensors, keypads and displays, all of which contribute to high cost and installation complexity, and compromise safety when the navigator is used while driving. A completely voice activated, voice response navigator has recently been introduced to the market to overcome these disadvantages. This paper describes how speech recognition helps achieve the goals of low cost and safe usage, adressing the problems of speaker independent recognition in the presence of wind, engine and road noise and the influence of the vehicle acoustics and the placement of the microphone. The solution of the problem of recognizing the desired member from large name lists by incorporating an alphabet recognizer and a spelling corrector is described. The resulting navigator is a simple single-board electronic add-on to the vehicle audio system. The recognition and speaking system runs on a low cost digital signal processor, with a microcontroller used for audio system control, spelling correction, and road calculation. The navigator's data base and software are stored on a standard audio compact disc.


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    Title :

    Noise robust speech recognition makes in-car navigation safe and affordable


    Additional title:

    Lärmunempfindliche Spracherkennung bietet eine sichere und angenehme Navigation im Wagen


    Contributors:


    Publication date :

    1995


    Size :

    4 Seiten, 2 Bilder, 3 Tabellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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