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Lower Versus Higher Cost Sound Level Meters for the Calibration of Clinical Sound Pressure Level Measurements.

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Title: Lower Versus Higher Cost Sound Level Meters for the Calibration of Clinical Sound Pressure Level Measurements.
Authors: Maryn, Youri1,2,3,4 youri.maryn@zas.be, Sismono, Fergio1
Source: American Journal of Speech-Language Pathology. May2026, Vol. 35 Issue 3, p1268-1273. 6p.
Subject Terms: *Audiometry, *Speech evaluation, *Communication, *Comparative studies, Pearson correlation (Statistics), Cost analysis, Descriptive statistics, Physiological aspects of speech, Calibration, Data analysis software, Phonetics, Transducers
Geographic Terms: Belgium
Abstract: Purpose: Clinical measurements of voice/speech sound pressure level (SPL) require calibration. However, relatively expensive sound level meter (SLM) may be required, which can be problematic for clinicians with limited resources. Method: This study therefore compared performance (correlation and error) of 11 lower cost mobile communication device (MCD)-based SLMs (SLMMCD; without or with miniature measurement microphones and dedicated software) with Class 2 SPL measurements. Results: Only three SLMMCDs provided accurate SPL measurements. In four other SLMMCDs, response was nonlinear. Conclusion: SPL measurements with low-cost and MCD-based SLMs can be accurate, but, in this study, only for miniature measurement microphones for which factory-determined correction terms were available. [ABSTRACT FROM AUTHOR]
Copyright of American Journal of Speech-Language Pathology 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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  Data: Lower Versus Higher Cost Sound Level Meters for the Calibration of Clinical Sound Pressure Level Measurements.
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  Data: <searchLink fieldCode="AR" term="%22Maryn%2C+Youri%22">Maryn, Youri</searchLink><relatesTo>1,2,3,4</relatesTo><i> youri.maryn@zas.be</i><br /><searchLink fieldCode="AR" term="%22Sismono%2C+Fergio%22">Sismono, Fergio</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Speech-Language+Pathology%22">American Journal of Speech-Language Pathology</searchLink>. May2026, Vol. 35 Issue 3, p1268-1273. 6p.
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  Data: *<searchLink fieldCode="DE" term="%22Audiometry%22">Audiometry</searchLink><br />*<searchLink fieldCode="DE" term="%22Speech+evaluation%22">Speech evaluation</searchLink><br />*<searchLink fieldCode="DE" term="%22Communication%22">Communication</searchLink><br />*<searchLink fieldCode="DE" term="%22Comparative+studies%22">Comparative studies</searchLink><br /><searchLink fieldCode="DE" term="%22Pearson+correlation+%28Statistics%29%22">Pearson correlation (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Cost+analysis%22">Cost analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Physiological+aspects+of+speech%22">Physiological aspects of speech</searchLink><br /><searchLink fieldCode="DE" term="%22Calibration%22">Calibration</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Phonetics%22">Phonetics</searchLink><br /><searchLink fieldCode="DE" term="%22Transducers%22">Transducers</searchLink>
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  Data: Purpose: Clinical measurements of voice/speech sound pressure level (SPL) require calibration. However, relatively expensive sound level meter (SLM) may be required, which can be problematic for clinicians with limited resources. Method: This study therefore compared performance (correlation and error) of 11 lower cost mobile communication device (MCD)-based SLMs (SLMMCD; without or with miniature measurement microphones and dedicated software) with Class 2 SPL measurements. Results: Only three SLMMCDs provided accurate SPL measurements. In four other SLMMCDs, response was nonlinear. Conclusion: SPL measurements with low-cost and MCD-based SLMs can be accurate, but, in this study, only for miniature measurement microphones for which factory-determined correction terms were available. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of American Journal of Speech-Language Pathology 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=193560225
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      – Type: doi
        Value: 10.1044/2026_AJSLP-25-00517
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      – Code: eng
        Text: English
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      – SubjectFull: Audiometry
        Type: general
      – SubjectFull: Speech evaluation
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      – SubjectFull: Communication
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      – SubjectFull: Comparative studies
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      – SubjectFull: Pearson correlation (Statistics)
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      – SubjectFull: Cost analysis
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      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Physiological aspects of speech
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      – SubjectFull: Calibration
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      – SubjectFull: Data analysis software
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      – SubjectFull: Phonetics
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      – SubjectFull: Transducers
        Type: general
      – SubjectFull: Belgium
        Type: general
    Titles:
      – TitleFull: Lower Versus Higher Cost Sound Level Meters for the Calibration of Clinical Sound Pressure Level Measurements.
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            NameFull: Maryn, Youri
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            – D: 01
              M: 05
              Text: May2026
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              Y: 2026
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