Arslan Niyazi Ömer, Akbulut Ahmet Alperen, Köse Büşra, Karaman-Demirel Ayşenur, Derinsu Ufuk
Program of Audiology and Speech Disorders, Institute of Health Sciences, Marmara University, Istanbul, Turkey.
Program of Speech and Hearing Science, College of Health Solutions, Arizona State University, Tempe, AZ, USA.
Int J Audiol. 2022 Dec;61(12):1045-1053. doi: 10.1080/14992027.2021.2005833. Epub 2021 Dec 12.
This study aimed to adapt a method used in sound quality measurements named CI-MUSHRA (the multiple stimuli with hidden reference and anchor for cochlear implant users) to the Turkish language. The effect of low-frequency information and non-native musical stimuli on sound quality perception was investigated.
Subjects completed the Turkish version of the MUSHRA test, called TR-MUSHRA, and the original CI-MUSHRA test. Participants also completed the Turkish monosyllabic word recognition test and the spectral temporal modulated ripple test (SMRT).
19 cochlear implant (CI) users and 16 normal-hearing (NH) adults were included.
CI users demonstrated a lack of ability to detect the sound quality differences between original stimuli and stimuli with omitted low-frequency information up to 600 Hz in both tests. There was no significant main effect of the test version on sound quality ratings for the two groups. No significant correlation was found between mean sound quality scores, SMRT, and speech recognition in quiet and noise conditions.
Our study suggests that CI users perform poorly in discriminating high-pass filtered musical sounds regardless of the language of the musical stimuli. The TR-MUSHRA can be used as a reliable research tool to evaluate the perceived sound quality.
本研究旨在将一种用于音质测量的方法，即CI-MUSHRA（用于人工耳蜗使用者的带隐藏参考和锚点的多刺激法）改编为土耳其语版本。研究了低频信息和非母语音乐刺激对音质感知的影响。
受试者完成了名为TR-MUSHRA的土耳其语版MUSHRA测试以及原始的CI-MUSHRA测试。参与者还完成了土耳其语单音节词识别测试和频谱时间调制波纹测试（SMRT）。
纳入了19名人工耳蜗（CI）使用者和16名听力正常（NH）的成年人。
在两项测试中，人工耳蜗使用者都表现出无法检测到原始刺激与低频信息缺失至600赫兹的刺激之间的音质差异。测试版本对两组的音质评分没有显著的主效应。在安静和噪声条件下，平均音质得分、SMRT与语音识别之间未发现显著相关性。
我们的研究表明，无论音乐刺激的语言是什么，人工耳蜗使用者在辨别高通滤波音乐声音方面表现不佳。TR-MUSHRA可作为评估感知音质的可靠研究工具。
