Browse Publications Technical Papers 2001-01-1497
2001-04-30

Development of Acoustic Holography and Its Application in Hyundai Aeroacoustic Wind Tunnel 2001-01-1497

Aeroacoustic technology to improve the acoustic comfort in high-speed became a major topic in vehicle development process. Although most of wind noise reduction and sound quality improvements are possible with full vehicle, the countermeasures should be applied at the early design stage. Acoustic holography technology was used to identify the external wind noise sources of a vehicle in Hyundai Aeroacoustic Wind Tunnel. Microphone self-noise reduction techniques and several reference microphone positions are investigated in order to obtain proper results.

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