SII Genius

Medical

$14.99 · Designed for iPad. Not verified for macOS.

Calculate Speech Intelligibility Index (SII) using hearing thresholds and environmental noise levels. SII Genius is a Speech Intelligibility Index calculator based on ANSI Standard S3.5. Users may enter any range of hearing thresholds in dB HL (with interpolation for absent values) to derive the Speech Intelligibility Index, or the percentage of speech that is audible to an individual. SII Genius also allows input of environmental noise measurements to evaluate speech intelligibility in a given room or other environment. Noise levels may be entered as spectrum levels at 1/3 octave band center frequencies (ANSI standard default) or as 1/3 octave band levels, with automatic conversion to spectrum levels. Interpolation is applied when full 1/3 octave data are not available. Entered data may be saved for later recall (patient name or other user-defined label), allowing efficient reuse of hearing threshold data without repeated entry.

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The developer, Sentient Healthcare, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Sentient Healthcare, Inc
    Size
    • 23.8 MB
    Category
    • Medical
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Sentient Healthcare, Inc.