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최원영,최무열,김형순,Choi, Won-Young,Choi, Mu-Yeol,Kim, Hyung-Soon 대한음성학회 2005 말소리 Vol.53 No.-
The goal of this research is to improve the quality of reconstructed speech in the Distributed Speech Recognition (DSR) system. For the extended DSR, we estimate the variable Maximum Voiced Frequency (MVF) from Mel-Frequency Cepstral Coefficient (MFCC) based on Gaussian Mixture Model (GMM), to implement realistic harmonic plus noise model for the excitation signal. For the standard DSR, we also make the voiced/unvoiced decision from MFCC based on GMM because the pitch information is not available in that case. The perceptual test reveals that speech reconstructed by the proposed method is preferred to the one by the conventional methods.
직무불안정이 경력몰입 및 태도에 미치는 영향 연구 -조리부문 종사자를 중심으로 -
최원영 ( Won Young Choi ),양지원 ( Jee Won Yang ) 한국호텔리조트학회(구 한국호텔리조트카지노산학학회) 2013 호텔리조트연구 Vol.12 No.2
본 연구는 조리부문 종사원의 고용관계의 변화에 따른 조직구성원의 직무불안정성 인식이 경력몰입에 영향을 미쳐 궁극적으로 경력태도에 어떠한 영향을 미치는지를 실증적으로 분석하고자 하였으며, 분석결과는 다음과 같다. The study has proceeded focusing on the employees of culinary department in hotels and restaurants. In addition, 300 culinary staffs who are employed by five star hotels and large restaurants based in Seoul are selected as a sample group. Among the 300 answers, 253 were selected as effective ones. After the analysis, I reached a conclusion as below. Firstly, employee`s career commitment is lowered as much as they concern the labor instability seriously. Secondly, employee`s career commitment gives an influence to their career management. In conclusion, a company has to make an utmost endeavor to ease employee`s job uncertainty after a restructuring. On top of that, the company also needs to make employees recognize how their current job can be an advantage in their future career.