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Occlusion Effect Reduction Using a Vibration Sensor

Authors:
Weyer, C.Jax, P.
Book Title:
Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC)
Organization:
IEEE
Publisher:
IEEE
Pages:
p.p. 1-5
Date:
Sep. 2022
ISBN:
978-1-66546-867-1
DOI:
10.1109/IWAENC53105.2022.9914705
Language:
English

Abstract

As in-ear headphones are worn for increasing periods of time, the occlusion effect (OE) becomes a growing problem for their users. Today, in-ear headphones are often equipped with active noise cancellation (ANC) systems. Previous research has shown that it is possible to use ANC systems to reduce the OE. In this publication, we present a novel feedforward OE reduction system based on a head-mounted accelerometer. The accelerometer acts as a vibration sensor, which enables us to directly capture and subsequently cancel low frequency body-conducted speech components contributing to the OE. We demonstrate that the system is capable of reducing the OE in simulations, as well as using measurements with a real-time implementation.

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