This paper reports on the techniques applied by Jaguar Cars in setting and evaluating Powertrain Sound auality targets. A Sound Quality profile has been used to subjectively quantify a number of semantics that define the character for a given vehicle. Data reduction techniques are used to identify the primary semantics of Powerfulness and Pleasantness, enabling a large number of luxury vehicles to be located within a 2-Dimensional Emotional Space. Through the use of digital filtering techniques on recorded sounds, and subsequent jury evaluation listening studies, the changes in character defined by the two primary semantics are identified. By relating the results of the jury study to the results of vehicle drive appraisals Jaguar has developed the capability of establishing where the Sound Quality character of a concept sound would be positioned relative to existing luxury vehicles.
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