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The effect of an interaural time difference to level difference transformation method on speech intelligibility in a multi-talker setting.

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Τίτλος: The effect of an interaural time difference to level difference transformation method on speech intelligibility in a multi-talker setting.
Συγγραφείς: Bäumer TJ; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany., de Vries JW; Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft 2628, The Netherlands., Töpken S; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany., Hendriks RC; Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft 2628, The Netherlands., Goli P; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany., van de Par S; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany.
Πηγή: The Journal of the Acoustical Society of America [J Acoust Soc Am] 2026 Aug 01; Vol. 160 (2), pp. 1613-1624.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: American Institute of Physics Country of Publication: United States NLM ID: 7503051 Publication Model: Print Cited Medium: Internet ISSN: 1520-8524 (Electronic) Linking ISSN: 00014966 NLM ISO Abbreviation: J Acoust Soc Am Subsets: MEDLINE
Imprint Name(s): Publication: Melville, NY : American Institute of Physics
Original Publication: Lancaster, Pa. [etc.] : American Institute of Physics for the Acoustical Society of America
Ιατρικοί όροι (MeSH): Speech Intelligibility* , Cues* , Speech Perception* , Perceptual Masking* , Sound Localization*, Noise/adverse effects ; Humans ; Acoustic Stimulation ; Time Factors ; Male ; Adult ; Female ; Young Adult ; Auditory Threshold ; Audiometry, Speech
Περίληψη: The human auditory system is able to improve speech intelligibility in challenging multi-talker scenarios by using the binaural cues [Interaural Time Differences (ITDs) and Interaural Level Differences (ILDs)] for spatially separated talkers. However, aging and hearing loss can vastly degrade a listener's ability to perceive ITDs, resulting in a decreased binaural benefit. For this reason, we investigated a method to transform imperceptible ITDs (artificially removed to simulate ITD sensitivity loss) into low-frequency ILDs to assess the binaural benefit that can be gained this way, based on listening experiments with normal-hearing listeners. In a reverberant environment, no binaural benefit was found. In an anechoic environment and with a central target speaker, the decrease in speech reception tresholds because of removed ITDs was almost completely compensated when low-frequency ILDs were added. For a lateral target speaker, the low-frequency ILDs even provided a significant improvement over the baseline where ITDs and ILDs are available. Simulations using the binaural speech intelligibility model (BSIM) supported the measured results from the listening experiment. These findings suggest that this cue conversion method could potentially bring a benefit to hearing impaired and elderly listeners when implemented in cochlear implants and hearing aids.
(© 2026 Acoustical Society of America.)
Entry Date(s): Date Created: 20260818 Date Completed: 20260818 Latest Revision: 20260818
Update Code: 20260818
DOI: 10.1121/10.0046102
PMID: 42610706
Βάση Δεδομένων: MEDLINE
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  Data: The effect of an interaural time difference to level difference transformation method on speech intelligibility in a multi-talker setting.
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  Data: <searchLink fieldCode="AU" term="%22Bäumer+TJ%22">Bäumer TJ</searchLink>; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany.<br /><searchLink fieldCode="AU" term="%22de+Vries+JW%22">de Vries JW</searchLink>; Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft 2628, The Netherlands.<br /><searchLink fieldCode="AU" term="%22Töpken+S%22">Töpken S</searchLink>; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany.<br /><searchLink fieldCode="AU" term="%22Hendriks+RC%22">Hendriks RC</searchLink>; Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft 2628, The Netherlands.<br /><searchLink fieldCode="AU" term="%22Goli+P%22">Goli P</searchLink>; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany.<br /><searchLink fieldCode="AU" term="%22van+de+Par+S%22">van de Par S</searchLink>; Department of Medical Physics and Acoustics, Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, Oldenburg 26129, Germany.
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  Data: <searchLink fieldCode="JN" term="%227503051%22">The Journal of the Acoustical Society of America</searchLink> [J Acoust Soc Am] 2026 Aug 01; Vol. 160 (2), pp. 1613-1624.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The human auditory system is able to improve speech intelligibility in challenging multi-talker scenarios by using the binaural cues [Interaural Time Differences (ITDs) and Interaural Level Differences (ILDs)] for spatially separated talkers. However, aging and hearing loss can vastly degrade a listener's ability to perceive ITDs, resulting in a decreased binaural benefit. For this reason, we investigated a method to transform imperceptible ITDs (artificially removed to simulate ITD sensitivity loss) into low-frequency ILDs to assess the binaural benefit that can be gained this way, based on listening experiments with normal-hearing listeners. In a reverberant environment, no binaural benefit was found. In an anechoic environment and with a central target speaker, the decrease in speech reception tresholds because of removed ITDs was almost completely compensated when low-frequency ILDs were added. For a lateral target speaker, the low-frequency ILDs even provided a significant improvement over the baseline where ITDs and ILDs are available. Simulations using the binaural speech intelligibility model (BSIM) supported the measured results from the listening experiment. These findings suggest that this cue conversion method could potentially bring a benefit to hearing impaired and elderly listeners when implemented in cochlear implants and hearing aids.<br /> (© 2026 Acoustical Society of America.)
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  Data: <i>Date Created: </i>20260818 <i>Date Completed: </i>20260818 <i>Latest Revision: </i>20260818
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  Data: 10.1121/10.0046102
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  Data: 42610706
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=cmedm&AN=42610706
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        Value: 10.1121/10.0046102
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        Text: English
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        StartPage: 1613
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      – SubjectFull: Noise adverse effects
        Type: general
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      – SubjectFull: Acoustic Stimulation
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