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Audiol > Volume 1(1); 2005 > Article
Audiology 2005;1(1): 59-66.
Published online: December 31, 2005.
doi: http://dx.doi.org/10.21848/audiol.2005.1.1.59
한국어 음소의 주파수 특성에 관한 연구
이주현1, 장현숙2, 정한진1
1한림대학교 대학원 언어청각학 협동과정
2한림대학교 자연과학대학 언어청각학부, 청각언어연구소
A Study on Frequency Characteristics of Korean Phonemes
Joo-Hyun Lee1, Hyun-Sook Jang2, Han-Jin Chung1
1Speech Pathology & Audiology, Groduade School, Hallym University, Chuncheon, Korea
2Division of Speech Pathology & Audiology, Hallym University, Chuncheon, Korea
Correspondence  Hyun-Sook Jang ,Tel: (033) 248-2218, Fax: (033) 256-3420, Email: hsjang@hallym.ac.kr
Received: November 2, 2005;  Accepted: November 28, 2005.  Published online: December 31, 2005.
ABSTRACT
The frequency characteristics of Korean phonemes were identified to predict a patient’s speech recognition ability based on hearing configuration and to be usefully applied in a hearing-aid fitting process and in auditory training. 20 Koreans (10 males;10 females) produced seven Korean monophthongal vowels (/a/, /i/, /u/, /o/,//,//, /ε/) in context situations and 18 consonants (/k/, /k’/, /kh/, /t/, /t’/, /th/, /p/, /p’/, /ph/, /s/, /s’/, /ts/, /ts’/, /tsh/, /n/, /m/, /l/, /h/) in nonsense mono-syllabic words (CV) and disyllabic words which were a total of 252 words. Data was collected by using Computerized Speech Lab (CSL 4300B)and analyzed by using Praat 4.3.14. The results revealed that eight vowels had different F1, F2, and F3 values. Formants of each vowel had significantly higher frequency values in females than in males. Some consonants such as stops, affricative, and fricative showed significant differences in frequency according to the vowels that followed. Unlike other consonants, nasal and liquid were not significantly affected by vowels that followed. The peak frequencies of consonants followed by vowels appeared as follows:600-3,500 Hz for /k/, /k’/, /kh/ of stops, 4,000 Hz or above for /t/, /t’/, /th/ and 1,000-2,500 Hz for /p/, /p’/, /ph/. With the frequency of fricative [s], [s’] were 4,000-6,000 Hz and affricative /ts/, /ts’/, /tsh/ were 3,500-5,000 Hz, their frequencies appearing to be higher than stops. Liquid and nasal showed lower than 500 Hz of frequency value. These findings suggest that the frequency band of the Korean phoneme can be usefully applied for evaluation and rehabilitation suitable for Koreans.
Key Words: Korean phonemes·Consonant·Vowel·Frequency characteristics.
중심단어: 한국어음소· 자음· 모음· 주파수특성.
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