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Self-Adjustment of Hearing Aid Amplification for Lower Speech Levels: Independent Ratings, Paired Comparisons, and Speech Recognition.

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Title: Self-Adjustment of Hearing Aid Amplification for Lower Speech Levels: Independent Ratings, Paired Comparisons, and Speech Recognition.
Authors: Perry, Trevor T.1,2 trevortperry@gmail.com, Nelson, Peggy B.1,2
Source: American Journal of Audiology. Jun2022, Vol. 31 Issue 2, p305-321. 17p. 5 Charts, 5 Graphs.
Subject Terms: *Speech perception, *Computer software, *Auditory perception testing, *Auditory perception, *Comparative studies, *Vocabulary, *Universities & colleges, *Algorithms, Assistive listening systems, Physiological aspects of speech, Mobile apps, Hearing aids, Paired comparisons (Mathematics), Ecology, Task performance, Severity of illness index, Patients' attitudes, Randomized controlled trials, Loudness, Research funding, Descriptive statistics, Blind experiment, Medical instrument maintenance, Statistical sampling, Health self-care
Geographic Terms: Minnesota
Abstract: Purpose: Self-adjustment of hearing aid amplification enables wearers to customize the hearing aid output to match their preferences and could become an important tool for programming direct-to-consumer devices for people with mild-to-moderate hearing loss. One risk is that user-selected settings may provide inadequate audibility. This study assessed that risk by quantifying relationships between self-adjusted settings, subjective preferences, and speech recognition performance using speech at low levels in quiet, where achieving high speech audibility requires sufficient amplification. Method: Fifteen people with symmetric, mild-to-moderate sensorineural hearing loss self-adjusted hearing aid amplification while listening to speech in quiet at 45, 55, and 65 dBA. After self-adjustment, 11 participants made blinded ratings of their self-adjusted fit, their NAL-NL2 prescriptive fit, and experimenter-created fits with reduced gain. Participants completed blinded paired comparisons and sentence recognition assessments using these settings. Results: The gain of self-adjusted fits showed a large range of variability between participants. On average, self-adjusted gain was similar to NAL-NL2 prescribed gain for input signals of 55 dBA and slightly greater than prescribed gain for 45-dBA signals. Speech recognition scores for NAL-NL2 fits were consistently high, and differences in speech recognition results were strongly correlated with the overall preferences obtained from paired comparisons. Conclusions: Self-adjusted fits are highly variable between individuals for low-audibility conditions. Nonetheless, self-adjusted fits are at least as satisfactory as NAL-NL2 fits, and listeners tend to disfavor settings that result in poorer speech recognition. The findings argue against concerns that self-adjustment will result in inadequate audibility compared to prescribed settings. [ABSTRACT FROM AUTHOR]
Copyright of American Journal of Audiology is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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PubType: Academic Journal
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  Data: Self-Adjustment of Hearing Aid Amplification for Lower Speech Levels: Independent Ratings, Paired Comparisons, and Speech Recognition.
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Audiology%22">American Journal of Audiology</searchLink>. Jun2022, Vol. 31 Issue 2, p305-321. 17p. 5 Charts, 5 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Minnesota%22">Minnesota</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Purpose: Self-adjustment of hearing aid amplification enables wearers to customize the hearing aid output to match their preferences and could become an important tool for programming direct-to-consumer devices for people with mild-to-moderate hearing loss. One risk is that user-selected settings may provide inadequate audibility. This study assessed that risk by quantifying relationships between self-adjusted settings, subjective preferences, and speech recognition performance using speech at low levels in quiet, where achieving high speech audibility requires sufficient amplification. Method: Fifteen people with symmetric, mild-to-moderate sensorineural hearing loss self-adjusted hearing aid amplification while listening to speech in quiet at 45, 55, and 65 dBA. After self-adjustment, 11 participants made blinded ratings of their self-adjusted fit, their NAL-NL2 prescriptive fit, and experimenter-created fits with reduced gain. Participants completed blinded paired comparisons and sentence recognition assessments using these settings. Results: The gain of self-adjusted fits showed a large range of variability between participants. On average, self-adjusted gain was similar to NAL-NL2 prescribed gain for input signals of 55 dBA and slightly greater than prescribed gain for 45-dBA signals. Speech recognition scores for NAL-NL2 fits were consistently high, and differences in speech recognition results were strongly correlated with the overall preferences obtained from paired comparisons. Conclusions: Self-adjusted fits are highly variable between individuals for low-audibility conditions. Nonetheless, self-adjusted fits are at least as satisfactory as NAL-NL2 fits, and listeners tend to disfavor settings that result in poorer speech recognition. The findings argue against concerns that self-adjustment will result in inadequate audibility compared to prescribed settings. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of American Journal of Audiology is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1044/2022_AJA-21-00164
    Languages:
      – Code: eng
        Text: English
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        PageCount: 17
        StartPage: 305
    Subjects:
      – SubjectFull: Speech perception
        Type: general
      – SubjectFull: Computer software
        Type: general
      – SubjectFull: Auditory perception testing
        Type: general
      – SubjectFull: Auditory perception
        Type: general
      – SubjectFull: Comparative studies
        Type: general
      – SubjectFull: Vocabulary
        Type: general
      – SubjectFull: Universities & colleges
        Type: general
      – SubjectFull: Algorithms
        Type: general
      – SubjectFull: Assistive listening systems
        Type: general
      – SubjectFull: Physiological aspects of speech
        Type: general
      – SubjectFull: Mobile apps
        Type: general
      – SubjectFull: Hearing aids
        Type: general
      – SubjectFull: Paired comparisons (Mathematics)
        Type: general
      – SubjectFull: Ecology
        Type: general
      – SubjectFull: Task performance
        Type: general
      – SubjectFull: Severity of illness index
        Type: general
      – SubjectFull: Patients' attitudes
        Type: general
      – SubjectFull: Randomized controlled trials
        Type: general
      – SubjectFull: Loudness
        Type: general
      – SubjectFull: Research funding
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      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Blind experiment
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      – SubjectFull: Medical instrument maintenance
        Type: general
      – SubjectFull: Statistical sampling
        Type: general
      – SubjectFull: Health self-care
        Type: general
      – SubjectFull: Minnesota
        Type: general
    Titles:
      – TitleFull: Self-Adjustment of Hearing Aid Amplification for Lower Speech Levels: Independent Ratings, Paired Comparisons, and Speech Recognition.
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            NameFull: Perry, Trevor T.
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              M: 06
              Text: Jun2022
              Type: published
              Y: 2022
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