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Development of a test battery for evaluating speech perception in complex listening environments
Douglas S Brungart1, Benjamin M Sheffield2, Lina R Kubli2
1Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Bethesda, Maryland 20889.
The Journal of the Acoustical Society of America
|August 7, 2014
Summary
This study modified the QuickSIN test to simulate real-world listening conditions, finding it effectively captures speech perception differences across complex auditory environments. The enhanced test maintains efficiency while reflecting realistic challenges in speech understanding.
Area of Science:
- Audiology
- Speech Perception
- Acoustics
Background:
- Real-world communication involves complex auditory environments, unlike simplified clinical speech perception tests.
- Existing clinical tools often fail to replicate the challenges of everyday listening environments.
Purpose of the Study:
- To modify the QuickSIN speech-in-noise test to simulate diverse real-world listening conditions.
- To assess speech perception in simulated complex auditory environments using the modified QuickSIN test.
Main Methods:
- Speech materials from the QuickSIN test were adapted to create eight distinct listening conditions.
- Standard QuickSIN methods estimated 50% speech reception thresholds (SRT50).
- A method of adjustment procedure determined 100% (SRT100) and 0% (SRT0) speech reception thresholds.
Main Results:
- The modified QuickSIN test effectively captured performance variations across different simulated listening conditions.
- The procedure maintained the efficiency of the original QuickSIN test.
- Results align with previous findings on factors like audiovisual cues, reverberation, and time compression affecting speech intelligibility.
Conclusions:
- Modified QuickSIN materials provide a more ecologically valid assessment of speech perception in complex auditory environments.
- This approach enhances the ability to study and understand speech intelligibility challenges faced in everyday life.
- The study validates the use of modified QuickSIN for assessing speech understanding in realistic acoustic settings.
