HEARING CHECK

This paper explains how vehicle testers' subjective impressions of in-car noise quality are being checked scientifically. During the last two years, the Austrian engineering company AVL has been developing a new software tool, AVL-Noise Quality Map, to evaluate vehicle interior noise quality objectively. The software enables easy assessment of noise quality parameters, definition of targets, and effective implementation of the required noise quality in the design and development process of the vehicle. In addition, assessment time is reduced by a factor of more than ten, and the subjective element of the assessment is removed. The package even includes intercultural differences in noise quality perception in different world vehicle markets. The software development had three main stages: (1) the subjective evaluation of car interior noise quality in various ways, including quality of assessors and assessment procedures, to obtain a large carefully optimised subjective database; (2) the use of this database as a basis for the analytical description of interior noise quality by objective parameters, using regression analysis; and (3) establishing a software procedure, based on these results, to calculate interior noise quality in real time. The paper gives some details of these steps, and includes several charts.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/03076490
• Corporate Authors:

  WOODBRIDGE PRESS

  SANTA BARBARA,    
• Authors:
  • BRANDL, F K
  • BIERMAYER, W
• Publication Date: 1999-9

Language

• English

Media Info

• Pagination: p. 84-5,87-8,90
• Serial:
  • AUTOMOTIVE ENGINEER
  • Volume: 24
  • Issue Number: 8
  • Publisher: Institution of Mechanical Engineers
  • ISSN: 0307-6490

Subject/Index Terms

• TRT Terms: Calculation; Computer programs; Data banks; Design; Evaluation and assessment; International; Maps; Mathematical analysis; Noise; Perception; Personnel; Quality control; Regression analysis; Tests; Vehicle compartments; Vehicle interiors; Vehicles
• Uncontrolled Terms: Quality
• ITRD Terms: 6471: Analysis (math); 6464: Calculation; 8614: Database; 9011: Design (overall design); 9020: Evaluation (assessment); 1377: Interior (veh); 9034: International; 4074: Map; 2492: Noise; 2229: Perception; 102: Personnel; 9063: Quality; 6588: Regression analysis; 8645: Software; 6255: Test; 1255: Vehicle
• Subject Areas: Data and Information Technology; Design; Environment; Safety and Human Factors; Society; Vehicles and Equipment;

Filing Info

• Accession Number: 00779155
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD
• Created Date: Dec 7 1999 12:00AM