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Akustik dbphon. Kurven gleichen Lautstrkepegels Isophonen Quelle fr die zugrunde liegenden Daten Vorlesungsscript Akustik von Blauert RuhrUniversitt Bochum Skyhead de PDrelease Original upload log de CommonsHelper page de Akustikdbphon Skyhead bytes no Skyhead bytes no gleichen Lautstrkepegels Isophonen Fletcher