Validation of the Chinese Sound Test: Auditory Performance of Hearing Aid Users.
Level 4 - case-series / case-control
Cross-sectional observational validation study in a single clinical cohort.
PubMed 29466564 · doi:10.1044/2017_AJA-17-0057
What was done
This validation study evaluated the Chinese Sound Test (a Chinese adaptation of the Ling Six-Sound Test using phonemes /u, ə, a, i, tɕʰ, s/) in 60 children with bilateral hearing aids. Researchers compared aided sound-field audiometric thresholds at 250, 500, 1000, 2000, 4000, and 6000 Hz with distance detection thresholds for each of the six speech sounds using partial correlation and stepwise regression analyses.
What was found
The authors report that the Chinese test sounds are frequency-specific and that audibility of each sound could be predicted by a specific audiometric frequency threshold. The abstract provides no exact numerical values, correlation coefficients, or regression parameters.
Why it matters
The Chinese Sound Test provides clinicians and educators with a language-appropriate screening tool to confirm acoustic access across the Chinese speech spectrum and monitor for hearing aid malfunctions or hearing fluctuations.
Limits
No quantitative findings (such as correlation coefficients or predictive accuracy metrics) are provided in the abstract. The sample was modest (n = 60) and restricted to pediatric bilateral hearing aid users, leaving test-retest reliability, inter-rater reliability, and utility in cochlear implant users unassessed in this summary.
Cited by
- supports The vast majority of human speech sounds fall within the frequency range between 250 Hz and 4,000 Hz.