title: Probe-Tube Microphone Measures of Vent Effects With In-the-Canal Hearing Aid Shells.
abstract: The acoustic effects of three different configurations of vented in-the-canal (ITC) hearing aid shells were investigated. Real-ear sound pressure level measures (200-2000 Hz) were obtained from unvented and vented ITC shells from 12 adult subjects. In general, with increasing vent size, an increase in the amount of low-frequency reduction and an upward shift in vent kneepoints and vent-associated resonance occurred. The use of venting may be considered clinically for low-frequency reduction in ITC hearing aid frequency responses.
authors.forename: A
authors.initials: A
authors.lastname: Stuart
authors.forename: R
authors.initials: R
authors.lastname: Stenstrom
authors.forename: O
authors.initials: O
authors.lastname: MacDonald
authors.forename: M P
authors.initials: MP
authors.lastname: Schmidt
authors.forename: G
authors.initials: G
authors.lastname: MacLean