کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9436477 | 1615693 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Time-frequency analysis of transiently evoked otoacoustic emissions of subjects exposed to noise
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
سیستم های حسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Time-frequency analysis of transiently evoked otoacoustic emissions of subjects exposed to noise Time-frequency analysis of transiently evoked otoacoustic emissions of subjects exposed to noise](/preview/png/9436477.png)
چکیده انگلیسی
Transiently evoked otoacoustic emissions (TEOAE) were measured from 124 ears from two subject groups: healthy subjects (62 ears), and workers (62 ears) exposed to noise of jet engines. The recordings were analyzed using the method of adaptive approximations based on a matching pursuit (MP) algorithm. The method allows for description of the signal components in terms of their amplitude, frequency, latency, and time-span (or duration). The purpose of this work was to determine the repeatability and usefulness of these parameters in studies of hearing impairment of populations exposed to potentially harmful noise. Good distinction between the two datasets was achieved in all investigated frequency bands when amplitude was used as a discrimination parameter. Also latency was affected in frequency bands starting at 2000Â Hz, while the time-span parameter associated with the duration of the waveform was less influenced by noise.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Hearing Research - Volume 205, Issues 1â2, July 2005, Pages 249-255
Journal: Hearing Research - Volume 205, Issues 1â2, July 2005, Pages 249-255
نویسندگان
W. Wiktor Jedrzejczak, Katarzyna J. Blinowska, Wieslaw Konopka,