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Derivations of the band-importance function: A cross-procedure comparison
In-Ki Jin1, James M Kates2, Kyoungwon Lee3
1Research Institute of Audiology and Speech Pathology, Division of Speech Pathology and Audiology, Hallym University, 1 Hallymdaehak-gil, Chuncheon, Gangwon-do 200-702, South Korea.
The Journal of the Acoustical Society of America
|September 3, 2015
Summary
This study compared two methods for calculating band-importance functions (BIFs) using Korean speech intelligibility data. Results show the Kates method accurately derives BIFs for sentences, matching the established Studebaker and Sherbecoe procedure.
Area of Science:
- Speech and Hearing Sciences
- Acoustics
- Psychoacoustics
Background:
- Band-importance functions (BIFs) are crucial for understanding speech intelligibility.
- Accurate BIF derivation is essential for audiological applications and hearing aid fitting.
- Previous methods for BIF calculation have been established, but new methods require validation.
Purpose of the Study:
- To compare band-importance functions (BIFs) derived using the Studebaker and Sherbecoe procedure with those derived using the Kates method.
- To validate the accuracy of the Kates method for BIF calculation with sentence-level intelligibility data.
Main Methods:
- Intelligibility data from native Korean speakers were collected.
- Band-importance functions (BIFs) were calculated using the established Studebaker and Sherbecoe procedure.
- BIFs were also calculated using the recently published Kates method.
Main Results:
- The BIFs derived by the two different procedures (Studebaker and Sherbecoe vs. Kates) were found to be similar.
- The Kates method demonstrated comparable results to the established procedure.
Conclusions:
- The Kates method for calculating band-importance functions is accurate for sentence-level intelligibility data.
- This finding supports the reliability of the Kates procedure for audiological research and practice.
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