| 기본 순음에 대한 한국 정상 성인의 임계주파수대역 특성 |
| 임덕환, 윤동현 |
| 기본 순음에 대한 한국 정상 성인의 임계주파수대역 특성 |
| Critical Bandwidths of a Basic Tonal Frequency for Korean Normal Young Adults |
| Dukhwan Lim, Donghyeon Yun |
| Critical Bandwidths of a Basic Tonal Frequency for Korean Normal Young Adults |
| Correspondence |
Dukhwan Lim ,Tel: +82-33-248-2217, Fax: +82-2-6280-9133, Email: dlim@hallym.ac.kr
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Received: June 15, 2016; Revised: June 29, 2016 Accepted: July 12, 2016. Published online: July 31, 2016. |
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| ABSTRACT |
Purpose:
The critical bandwidth represents response interactions with respect to a reference tone and neighboring spectral bands. The aim of this study was to analyze the critical bandwidths of a 1,000 Hz tone in Korean young male and female subjects at a conversational level (60 dB HL).
Method:
Critical bandwidths were measured in twenty subjects with the notched band noise method under the two alternative forced choice condition.
Results:
The average critical bandwidth of 1,000 Hz was 175.23 Hz, which was slightly greater than the previous Western measures. There were no statistically significant differences in gender, nor were there any significant differences in lateralization of the ear (p > 0.05).
Conclusion:
Critical bandwidth measures can produce valuable response profiles for reference tones and adjacent frequency bands. This information will be beneficial in improving Korean speech communication under various acoustic conditions. |
| Key Words:
Critical bandwidth, Masking, Signal to noise ratio, Two alternative forced choice |
| 중심단어:
임계주파수대역· 차폐· 신호대잡음비· 두대안강제선택 |
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