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Monday, July 8 • 15:50 - 16:10
ACTIVE CONTROL OF SOUND FOR INDIVIDUAL PREFERENCE OF ACCELERATION

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Recent years, rather than the noise measures, the noise gives us the impression especially accelerating sound for cars. That is, the control method of the engine sound is shifted from the noise reduction to sound design. Therefore, we proposed a method to design the engine sound using Active Quality Control of Sound based on Active Noise Control. We confirmed that the engine specific order components can be amplified and reduced like an equalizer with the proposed algorithm. And, auditory impressions of engine sound controlled by proposed method were investigated using psychoacoustic measurements. The scale values of preference for each stimulus were obtained by Scheffe's paired comparison tests. When the reduction-level increased, the preference was decreased or increased from the reference sound. Also when the amplification-level increased, the preference was decreased from the reference sound. As the reason, it seems that reference sound pressure is felt to be sufficiently large. These results indicated that the control corresponding to the individual is important for improvements in auditory impressions. To solve these problems, our method was developed to adjust to individual preferences. The individual preferences of sound were connected to each driver's driving pattern. Thus, we developed our system, which enables the automatic generation of individual sound preferences.

Moderators
avatar for Alain Berry

Alain Berry

Professor, Université de Sherbrooke
avatar for Philippe-Aubert Gauthier

Philippe-Aubert Gauthier

Professor, Groupe Acoustique Université de Sherbrooke, Université de Sherbrooke

Authors

Monday July 8, 2019 15:50 - 16:10 EDT
Westmount 6
  T02 Act. noise & vib. cntrl., RS01 Active cntrl of snd & vibr