Summary
International Workshop on Smart Info-Media Systems in Asia
2023
Session Number:RS2
Session:
Number:RS2-7
Evaluation of filtered-x LMS active noise control using cartilage conduction
Kosuke Yoshinaga, Miyuki Azuma, Naoto Sasaoka, Ryota Shimokura,
pp.62-65
Publication Date:2023/8/31
Online ISSN:2188-5079
Summary:
This paper examines the feasibility of active noise control (ANC) in the external ear canal with an open ear using cartilage conduction. Cartilage conduction, discovered in 2004, generates audible sound in the external ear canal by vibrating aural cartilage. Therefore, unlike commercially available earphones, a user can hear the sound without blocking the ear hole, allowing the user to listen to music while hearing the surrounding sound. This paper aims to muffle noise within the external ear canal with the ear hole opened by utilizing this most important feature of cartilage conduction. The proposed system adapts cartilage conduction to filtered-x least mean square (LMS)-active noise control. Simulation results show that the proposed system can reduce the noise in the external ear canal.