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Comparison of hearing thresholds obtained using pure-tone behavioral audiometry, the Cantonese Hearing in Noise Test
Lena L N Wong1, Carol Cheung, Eddie C M Wong
1Speech & Hearing Sciences, University of Hong Kong. llnwong@hku.hk
Conclusion:
Speech thresholds measured using Cantonese Hearing in Noise Test (CHINT) and cortical evoked response audiometry (CERA) thresholds were highly correlated with pure-tone behavioral results. Both tests are considered to provide good estimates of hearing thresholds and can be employed to confirm the degree of hearing loss in Cantonese-speaking communities.
Objectives:
This study aimed to evaluate how well a speech threshold obtained using a newly developed speech assessment tool (the CHINT) and CERA thresholds relate to pure-tone behavioral results and how the results compared in terms of their ability to predict hearing thresholds.
Subjects And Methods:
Thirty adults with normal hearing to profound sensorineural hearing loss were tested. Speech thresholds were measured using the CHINT in four conditions: quiet, noise from the front, noise from the right, and noise from the left. CERA thresholds were measured at 0.5, 1, 2, and 4 kHz in both ears.
Results:
Most participants had speech thresholds in quiet within+/-10 dB of pure-tone averages, and had CERA thresholds within+/-15 dB of pure-tone thresholds. Speech and CERA thresholds were highly correlated (p<0.01) with pure-tone behavioral thresholds.
