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Tolerable delay for speech production and perception: effects of hearing ability and experience with hearing aids

Tolerable delay for speech production and perception: effects of hearing ability and experience with hearing aids
Tolerable delay for speech production and perception: effects of hearing ability and experience with hearing aids
Objective: processing delay is one of the important factors that limit the development of novel algorithms for hearing devices. In this study, both normal-hearing listeners and listeners with hearing loss were tested for their tolerance of processing delay up to 50 ms using a real-time setup for own-voice and external-voice conditions based on linear processing to avoid confounding effects of time-dependent gain.

Design: participants rated their perceived subjective annoyance for each condition on a 7-point Likert scale. Study sample: Twenty normal-hearing participants and twenty participants with a range of mild to moderate hearing losses.

Results: delay tolerance was significantly greater for the participants with hearing loss in two out of three voice conditions. The average slopes of annoyance ratings were negatively correlated with the degree of hearing loss across participants. A small trend of higher tolerance of delay by experienced users of hearing aids in comparison to new users was not significant.

Conclusion: the increased tolerance of processing delay for speech production and perception with hearing loss and reduced sensitivity to changes in delay with stronger hearing loss may be beneficial for novel algorithms for hearing devices but the setup used in this study differed from commercial hearing aids.
Goehring, Tobias
11007d58-6905-451e-aa60-1e1ea681f15a
Chapman, Josie
32045774-5c4e-42dc-a38d-212844e54885
Bleeck, Stefan
c888ccba-e64c-47bf-b8fa-a687e87ec16c
Monaghan, Jessica
c6e0821f-a660-4f07-85ac-66033f0e0b44
Goehring, Tobias
11007d58-6905-451e-aa60-1e1ea681f15a
Chapman, Josie
32045774-5c4e-42dc-a38d-212844e54885
Bleeck, Stefan
c888ccba-e64c-47bf-b8fa-a687e87ec16c
Monaghan, Jessica
c6e0821f-a660-4f07-85ac-66033f0e0b44

Goehring, Tobias, Chapman, Josie, Bleeck, Stefan and Monaghan, Jessica (2018) Tolerable delay for speech production and perception: effects of hearing ability and experience with hearing aids. International Journal of Audiology. (doi:10.1080/14992027.2017.1367848).

Record type: Article

Abstract

Objective: processing delay is one of the important factors that limit the development of novel algorithms for hearing devices. In this study, both normal-hearing listeners and listeners with hearing loss were tested for their tolerance of processing delay up to 50 ms using a real-time setup for own-voice and external-voice conditions based on linear processing to avoid confounding effects of time-dependent gain.

Design: participants rated their perceived subjective annoyance for each condition on a 7-point Likert scale. Study sample: Twenty normal-hearing participants and twenty participants with a range of mild to moderate hearing losses.

Results: delay tolerance was significantly greater for the participants with hearing loss in two out of three voice conditions. The average slopes of annoyance ratings were negatively correlated with the degree of hearing loss across participants. A small trend of higher tolerance of delay by experienced users of hearing aids in comparison to new users was not significant.

Conclusion: the increased tolerance of processing delay for speech production and perception with hearing loss and reduced sensitivity to changes in delay with stronger hearing loss may be beneficial for novel algorithms for hearing devices but the setup used in this study differed from commercial hearing aids.

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More information

Accepted/In Press date: 7 August 2017
e-pub ahead of print date: 24 August 2017
Published date: 2018

Identifiers

Local EPrints ID: 414900
URI: http://eprints.soton.ac.uk/id/eprint/414900
PURE UUID: 6bbca630-0fc4-4287-b1da-662685a5cf30
ORCID for Stefan Bleeck: ORCID iD orcid.org/0000-0003-4378-3394

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Date deposited: 13 Oct 2017 16:30
Last modified: 10 Jan 2022 05:36

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Contributors

Author: Tobias Goehring
Author: Josie Chapman
Author: Stefan Bleeck ORCID iD
Author: Jessica Monaghan

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