KR960002730B1 - 고능률 부호화 신호 처리 장치 - Google Patents
고능률 부호화 신호 처리 장치 Download PDFInfo
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- KR960002730B1 KR960002730B1 KR1019920009532A KR920009532A KR960002730B1 KR 960002730 B1 KR960002730 B1 KR 960002730B1 KR 1019920009532 A KR1019920009532 A KR 1019920009532A KR 920009532 A KR920009532 A KR 920009532A KR 960002730 B1 KR960002730 B1 KR 960002730B1
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Abstract
Description
Claims (4)
- 데이타 압축을 위해 단일 프레임내의 소정의 블록 단위로 데이타를 주파수 변환하여 변환 계수를 출력하는 데이타 압축 수단(53)과 ; 상기 데이타 압축 수단(53)으로부터의 변환 계수의 저역 성분을 부호화하기 위한 저역 성분 부호화 수단(71,76)과 ; 상기 데이타 압축 수단(53)으로부터의 변환 계수의 고역 성분을 부호화하기 위한 고역 성분 부호화 수단(72, 75)과 ; 상기 저역 성분 부호화 수단(71, 76)으로부터의 데이타를 소정 주기로 출력하기 위한 제1전송 순서 패킷 수단(77)과 ; 상기 고역 성분 부호화 수단(72, 75)으로부터의 데이타에 대해 소정의 순서화를 실행하여 상기 데이타를 출력하기 위한 제2전송 순서 패킷 수단(79) ; 을 구비하는 것을 특징으로 하는 고능률 부호화 신호 처리 장치.
- 입력된 가변 길이 데이타를 복호하기 위한 가변 길이 데이타 복호 회로(94)와 ; 상기 가변 길이 데이타 복호 회로(94)에서 복호 불능인 데이타를 검출하고, 복호 출력이 유효인지 무효인지의 여부를 판정하기 위한 복호 에러 검출 회로(161)와 ; 상기 복호 에러 검출 회로(161)의 판정 결과에 의거한 타이밍으로 상기 가변 길이 데이타 복호 회로(94)의 복호 출력을 소정치로 치환하여 출력하기 위한 치환 수단 (1693) ; 을 구비하는 것을 특징으로 하는 고능률 부호화 신호 처리 장치.
- 단일 프레임내의 소정의 블록 단위로 부호화된 입력 데이타를 복호하기 위한 복호 수단(94)과 ; 상기 복호 수단(94)에서 복호 불능인 데이타를 검출하고, 복호 출력이 유효인지 무효인지의 여부를 판정하기 위한 복호 에러 검출 회로(161)와 ; 상기 복호 수단의 출력을 유지하기 위한 유지 수단과 ; 상기 유지 수단으로부터 에러 블록에 인접한 블록의 데이타를 수용하여 에러 블록의 데이타 길이를 추정하고, 상기 복호 에러 검출 회로(161)의 판정 결과에 의거한 타이밍으로 상기 복호 수단에게 다음 블록의 데이타의 복호 개시를 지시하기 위한 데이타 길이 추정 수단(165) ; 을 구비하는 것을 특징으로 하는 고능률 부호화 신호 처리 장치.
- 단일 프레임내의 소정의 블록 단위로 부호화된 입력 데이타를 복호하기 위한 복호 수단(93)과 ; 상기 입력 데이타의 에러를 검출하기 위한 에러 검출 수단(91)과 ; 상기 복호 수단의 출력을 지연하기 위한 지연 수단(173)과 ; 상기 에러 검출 수단 (91)에 의해 지시된 에러 블록의 데이타와 상기 지연 수단으로부터 제공되는 에러 블록에 인접한 블록의 데이타 사이의 상관성을 판단하여 보간 데이타를 발생시키기 위한 보간 신호 발생 수단(172)과 ; 상기 에러 블록의 데이타를 상기 보간 데이타로 치환하여 출력하기 위한 치환 수단(174) ; 을 구비하는 것을 특징으로 하는 고능률 부호화 신호 처리 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP91-132999 | 1991-06-04 | ||
JP3132999A JPH04358486A (ja) | 1991-06-04 | 1991-06-04 | 高能率符号化信号処理装置 |
Publications (2)
Publication Number | Publication Date |
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KR930001740A KR930001740A (ko) | 1993-01-16 |
KR960002730B1 true KR960002730B1 (ko) | 1996-02-26 |
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KR1019920009532A Expired - Fee Related KR960002730B1 (ko) | 1991-06-04 | 1992-06-02 | 고능률 부호화 신호 처리 장치 |
Country Status (5)
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US (1) | US5703889A (ko) |
EP (1) | EP0517141B1 (ko) |
JP (1) | JPH04358486A (ko) |
KR (1) | KR960002730B1 (ko) |
DE (1) | DE69227402T2 (ko) |
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-
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-
1992
- 1992-06-01 DE DE69227402T patent/DE69227402T2/de not_active Expired - Fee Related
- 1992-06-01 EP EP92109211A patent/EP0517141B1/en not_active Expired - Lifetime
- 1992-06-02 KR KR1019920009532A patent/KR960002730B1/ko not_active Expired - Fee Related
-
1994
- 1994-12-14 US US08/355,828 patent/US5703889A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04358486A (ja) | 1992-12-11 |
EP0517141A2 (en) | 1992-12-09 |
EP0517141B1 (en) | 1998-10-28 |
DE69227402T2 (de) | 1999-05-27 |
EP0517141A3 (en) | 1993-10-20 |
DE69227402D1 (de) | 1998-12-03 |
KR930001740A (ko) | 1993-01-16 |
US5703889A (en) | 1997-12-30 |
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St.27 status event code: A-5-5-R10-R18-oth-X000 |
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R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
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R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
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P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |