In monaural processing, pitch representation (F0 amplitude) and cross-phaseogram were the main affected domains. Speech phonemes of transient origin can be confused in subjects with UHL.

Objectives:The purpose of this study was to compare between the two newly developed Arabic speech in noise tests (QuickSIN and HINT) to study the clinical utility of both tests in adults with sensorineural hearing loss. Patients and Methods: Seventy five subjects, aged 18-50 years, were divided into two groups: Control group consisted of 25 normal hearing subjects and study group consisted of 50 subjects, who were further divided into three subgroups. Subgroup (IIa): 20 subjects with moderate and moderately severe sensorineural hearing loss. Subgroup (IIb): 20 subjects with moderate and moderately severe sensorineural hearing loss who were HAs users. Subgroup (IIc): 10 subjects with unilateral Cochlear implantation (CI). Materials: Arabic QuickSIN, Arabic HINT and Arabic Abbreviated Profile of Hearing Aid Benefit (APHAB) questionnaire. Results: The QuickSIN test had some advantages over HINT in terms of clinical use. The QuickSIN test showed better separation in recognition performances between normal hearing and hearing loss than HINT. The sensitivity for QuickSIN was higher than HINT in all subgroups. Correlation for the QuickSIN test with APHAP background noise (BN) subscale was higher than the correlation for the HINT in HL and HA subgroups. However, both tests were not correlated with APHAB (BN) subscale in CI group. Conclusion:Both tests explain the listener's experience of hearing in background noise. However, QuickSIN test is a more sensitive measure of speech perception in noise than HINT does in both unaided and aided conditions. CI subjects had the lowest performance for both tests.

Background: ANL is a procedure to evaluate the quantity of noise that listeners are willing to take over while listening to words. ANL has gained big attention in the final few years because of its ability to predict success rate of hearing aid with a high degree of accuracy. Knowing why certain people are less probable to accept background noise help in creating hearing aid technology to address their objections and improve their ANL hence increasing success rate of hearing aid function. Objectives of the study: development and Standardization of Arabic version of ANL in Egyptian normal hearing listeners. Materials and method: 52 normal hearing adults undergo this research. ANL was performed using an Arabic familiar story 40 Sec duration and competing background noise of multitalker babble. Both stimuli were routed through the same loudspeaker located at zero azimuth 1 m from the subject in a sound treated room. The results: the mean ANL of the Arabic version in participant with normal hearing is 7.76 dB with a standard deviation of 3.55. Conclusion: the new Arabic version of acceptable noise level (ANL) can be applied as a standardized test for measuring acceptable noise level.

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