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캡스톤설계1




         중국어 성조 학습 기기




                       전산전자공학부
                   지도 : 조윤석 교수님
                 08 이 요 한(전자, 컴공)
                 09 김 은 경(전자, 컴공)
캡스톤설계1


              배경 및 필요성


   국내 중국어 학습자가 많아지고 있음

   초급 중국어 학습자가 가장 어려워 하는 부분 : 성조

   성조구조를 스스로 학습하는 것을 도와줄 기기의 부재




         ▶ 중국어 성조 학습 기기의 필요성
캡스톤설계1


            중국어 성조란?
   성조는 음의 높낮이를 뜻하며 같은 발음이라도 성조가 다르
   면 뜻이 달라지므로 매우 중요
   중국어에는 1성, 2성, 3성, 4성, 경성이 존재
캡스톤설계1


               기대효과


   초급 중국어 학습자의 성조에 대한 어려움 해소

   사용자의 성조에 대한 구체적 피드백 제공

   정확한 성조구조를 익히는데 도움
캡스톤설계1


            Flow Chart
             음성신호입력
         (끝점추출 / 잡음제거 / 녹음)


          아날로그 – 디지털 변환


            사용자 피치 주기 검출
         (auto-correlation / AMDF)


           성조샘플 생성 및 비교
            (패턴매칭 / DTW)


               분석결과 제공
캡스톤설계1


                    전공이론


   디지털신호처리(Digital Signal Processing)

   신호 및 시스템(Signals and Systems)




               난이도 ★★★★☆
캡스톤설계1


                        Objective
1.   정확성
     ①   외부 잡음이 있더라도 성조를 정확하게 판별할 수 있다.
     ②   사용자의 피치(pitch)를 정확히 판단하여 5도를 구성한다.
     ③   입력 받은 음성신호(성조)에 대한 정확한 피드백을 제공한다.

2. 편리성
     ①   간단한 UI 제공한다.

3. 학습효율성
     ①   전문적인 수준의 피드백을 제공한다.
     ②   피드백을 바탕으로 성조 학습 환경 제공한다.
캡스톤설계1


                   Constraints


1. 비용 : 100만원 이하

2. 기간 : 6개월(~여름방학)

3. 전문가가 제공하는 수준의 최소 80%에 해당하는 피드백 제공

4. 성조 판별 오차범위 5% 내로 한다.

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캡스톤주제발표 중국어성조학습기기

  • 1. 캡스톤설계1 중국어 성조 학습 기기 전산전자공학부 지도 : 조윤석 교수님 08 이 요 한(전자, 컴공) 09 김 은 경(전자, 컴공)
  • 2. 캡스톤설계1 배경 및 필요성 국내 중국어 학습자가 많아지고 있음 초급 중국어 학습자가 가장 어려워 하는 부분 : 성조 성조구조를 스스로 학습하는 것을 도와줄 기기의 부재 ▶ 중국어 성조 학습 기기의 필요성
  • 3. 캡스톤설계1 중국어 성조란? 성조는 음의 높낮이를 뜻하며 같은 발음이라도 성조가 다르 면 뜻이 달라지므로 매우 중요 중국어에는 1성, 2성, 3성, 4성, 경성이 존재
  • 4. 캡스톤설계1 기대효과 초급 중국어 학습자의 성조에 대한 어려움 해소 사용자의 성조에 대한 구체적 피드백 제공 정확한 성조구조를 익히는데 도움
  • 5. 캡스톤설계1 Flow Chart 음성신호입력 (끝점추출 / 잡음제거 / 녹음) 아날로그 – 디지털 변환 사용자 피치 주기 검출 (auto-correlation / AMDF) 성조샘플 생성 및 비교 (패턴매칭 / DTW) 분석결과 제공
  • 6. 캡스톤설계1 전공이론 디지털신호처리(Digital Signal Processing) 신호 및 시스템(Signals and Systems) 난이도 ★★★★☆
  • 7. 캡스톤설계1 Objective 1. 정확성 ① 외부 잡음이 있더라도 성조를 정확하게 판별할 수 있다. ② 사용자의 피치(pitch)를 정확히 판단하여 5도를 구성한다. ③ 입력 받은 음성신호(성조)에 대한 정확한 피드백을 제공한다. 2. 편리성 ① 간단한 UI 제공한다. 3. 학습효율성 ① 전문적인 수준의 피드백을 제공한다. ② 피드백을 바탕으로 성조 학습 환경 제공한다.
  • 8. 캡스톤설계1 Constraints 1. 비용 : 100만원 이하 2. 기간 : 6개월(~여름방학) 3. 전문가가 제공하는 수준의 최소 80%에 해당하는 피드백 제공 4. 성조 판별 오차범위 5% 내로 한다.