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Loudness model for round window stimulation based on human ear physiology
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Zhaohai LIU1, Weiwei GUO2, 3, 4, Zhiheng HE1, Wei CHEN2, 3, 4, Zhushi RAO5, Houguang LIU1
Journal of Vibration Engineering | 2025, 38(8) : 1677 - 1687
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Journal of Vibration Engineering | 2025, 38(8): 1677-1687
Loudness model for round window stimulation based on human ear physiology
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Zhaohai LIU1, Weiwei GUO2, 3, 4, Zhiheng HE1, Wei CHEN2, 3, 4, Zhushi RAO5, Houguang LIU1
Affiliations
  • 1.School of Mechanical and Electrical Engineering，China University of Mining and Technology，Xuzhou 221116，China
  • 2.Department of Otolaryngology Head and Neck Surgery，Chinese PLA General Hospital，Beijing 100853，China
  • 3.State Key Laboratory of Hearing and Balance Science，Beijing 100853，China
  • 4.National Clinical Research Center for Otolaryngologic Diseases，Beijing 100853，China
  • 5.State Key Laboratory of Mechanical System and Vibration，Shanghai Jiao Tong University，Shanghai 200240，China
Published: 2025-08-10 doi: 10.16385/j.cnki.issn.1004-4523.202401060
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Since current loudness models are unable to predict loudness under round window stimulation，a loudness model for round window stimulation is proposed in this paper. The loudness model consists of a peripheral auditory model and a data processing back-end. The peripheral auditory model that is able to calculate basilar membrane velocities under free-field acoustic stimulation and round window stimulation and the back-end that transforms basilar membrane velocities into loudness are constructed. The reliability of the peripheral auditory model is verified by comparing the model-predicted results with the experimental data on the outer ear transfer function，middle ear transfer function and stapes velocities under acoustic stimulation，round window stimulation transfer function，frequency selectivity and frequency response of the basilar membrane，and basilar membrane displacement. The reliability of the loudness model is verified by comparing the model-predicted results with the experimental data on equal-loudness contours，bandwidth noise loudness，loudness level of tone with frequency masking，and threshold for complex tones. The results indicate that the loudness model accurately calculates basilar membrane velocities under acoustic stimulation and round window stimulation，and is able to predict the loudness of pure tone，complex tones，and bandwidth noise under acoustic stimulation and round window stimulation.

loudness perception  /  round window stimulation  /  active middle ear implant  /  auditory periphery  /  dynamics modeling  /  time-domain analysis
Zhaohai LIU, Weiwei GUO, Zhiheng HE, Wei CHEN, Zhushi RAO, Houguang LIU. Loudness model for round window stimulation based on human ear physiology[J]. Journal of Vibration Engineering, 2025 , 38 (8) : 1677 -1687 . DOI: 10.16385/j.cnki.issn.1004-4523.202401060
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Year 2025 volume 38 Issue 8
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.202401060
  • Receive Date：2024-01-22
  • Online Date：2026-02-09
  • Published：2025-08-10
Article Data
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History
  • Received：2024-01-22
  • Revised：2024-03-11
Funding
Affiliations
    1.School of Mechanical and Electrical Engineering，China University of Mining and Technology，Xuzhou 221116，China
    2.Department of Otolaryngology Head and Neck Surgery，Chinese PLA General Hospital，Beijing 100853，China
    3.State Key Laboratory of Hearing and Balance Science，Beijing 100853，China
    4.National Clinical Research Center for Otolaryngologic Diseases，Beijing 100853，China
    5.State Key Laboratory of Mechanical System and Vibration，Shanghai Jiao Tong University，Shanghai 200240，China
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