DE69026143T2 - Kodefehler korrigierende Vorhersage-Decodiervorrichtung - Google Patents
Kodefehler korrigierende Vorhersage-DecodiervorrichtungInfo
- Publication number
- DE69026143T2 DE69026143T2 DE69026143T DE69026143T DE69026143T2 DE 69026143 T2 DE69026143 T2 DE 69026143T2 DE 69026143 T DE69026143 T DE 69026143T DE 69026143 T DE69026143 T DE 69026143T DE 69026143 T2 DE69026143 T2 DE 69026143T2
- Authority
- DE
- Germany
- Prior art keywords
- decoding device
- correcting code
- code error
- prediction decoding
- device correcting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1876—Interpolating methods
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
- H03M7/3046—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM] adaptive, e.g. adaptive differential pulse code modulation [ADPCM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
- H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14453189A JP2995750B2 (ja) | 1989-06-07 | 1989-06-07 | 復号化装置 |
JP1159915A JPH0324864A (ja) | 1989-06-22 | 1989-06-22 | 復号化装置 |
JP2095556A JPH03292083A (ja) | 1990-04-10 | 1990-04-10 | 予測復号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69026143D1 DE69026143D1 (de) | 1996-05-02 |
DE69026143T2 true DE69026143T2 (de) | 1996-08-22 |
Family
ID=27307844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69026143T Expired - Fee Related DE69026143T2 (de) | 1989-06-07 | 1990-06-01 | Kodefehler korrigierende Vorhersage-Decodiervorrichtung |
Country Status (3)
Country | Link |
---|---|
US (1) | US5325374A (de) |
EP (1) | EP0402058B1 (de) |
DE (1) | DE69026143T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0744869B1 (de) * | 1990-12-28 | 2000-03-22 | Canon Kabushiki Kaisha | Vorrichtung zur Bildverarbeitung |
US5400076A (en) * | 1991-11-30 | 1995-03-21 | Sony Corporation | Compressed motion picture signal expander with error concealment |
DE69328608T2 (de) * | 1992-06-22 | 2001-02-08 | Oki Electric Ind Co Ltd | Bitfehlerzähler und sein zählverfahren, und signal identifikationsvorrichtung und sein identifikationsverfahren |
FI96248C (fi) * | 1993-05-06 | 1996-05-27 | Nokia Mobile Phones Ltd | Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin |
FI98164C (fi) * | 1994-01-24 | 1997-04-25 | Nokia Mobile Phones Ltd | Puhekooderin parametrien käsittely tietoliikennejärjestelmän vastaanottimessa |
JP3164971B2 (ja) * | 1994-07-15 | 2001-05-14 | 日本電気株式会社 | 画像再生装置 |
JPH08181987A (ja) * | 1994-12-22 | 1996-07-12 | Canon Inc | 符号化装置 |
JP3830574B2 (ja) * | 1996-04-10 | 2006-10-04 | 松下電器産業株式会社 | 欠陥補正装置及びこれを用いた固体撮像装置 |
JP3804902B2 (ja) * | 1999-09-27 | 2006-08-02 | パイオニア株式会社 | 量子化誤差補正方法及び装置並びにオーディオ情報復号方法及び装置 |
JP2001285645A (ja) | 2000-01-25 | 2001-10-12 | Canon Inc | 画像入力装置、画像処理装置、画像入力方法、画像処理方法、及び画像入力システム |
JP4794987B2 (ja) * | 2005-11-09 | 2011-10-19 | キヤノン株式会社 | 映像信号処理装置 |
WO2008083304A2 (en) * | 2006-12-29 | 2008-07-10 | 3M Innovative Properties Company | Method of making inorganic or inorganic/organic hybrid films |
KR101129153B1 (ko) * | 2007-06-20 | 2012-03-27 | 후지쯔 가부시끼가이샤 | 복호 장치, 복호 방법, 및 컴퓨터 판독가능한 기록매체 |
US8578247B2 (en) * | 2008-05-08 | 2013-11-05 | Broadcom Corporation | Bit error management methods for wireless audio communication channels |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3772682A (en) * | 1972-04-19 | 1973-11-13 | Bell Telephone Labor Inc | Digital conversion from one pcm format to another |
DE2250019C3 (de) * | 1972-10-07 | 1979-05-10 | Deutsche Forschungs- Und Versuchsanstalt Fuer Luft- Und Raumfahrt E.V., 5000 Koeln | Verfahren zur Fehlererkennung und -korrektur für gestörte Signale in Nachrichtensystemen mit digitaler Differenzwertübertragung |
DE3502315A1 (de) * | 1985-01-24 | 1986-07-24 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur bildfehlerkorrektur |
US4719642A (en) * | 1985-02-27 | 1988-01-12 | Scientific Atlanta, Inc. | Error detection and concealment using predicted signal values |
JPS61247139A (ja) * | 1985-04-25 | 1986-11-04 | Canon Inc | デ−タ伝送方法 |
JPS62241436A (ja) * | 1986-04-14 | 1987-10-22 | Canon Inc | 画像信号予測符号化・復号化システム |
JPH01256278A (ja) * | 1988-04-06 | 1989-10-12 | Canon Inc | 予測符号化システム |
US4965580A (en) * | 1988-09-26 | 1990-10-23 | Mitsubishi Denki Kabushiki Kaisha | Quantizer and inverse-quantizer |
US5043728A (en) * | 1988-11-02 | 1991-08-27 | Canon Kabushiki Kaisha | Predictive coding device and predictive decoding device |
CA2016996C (en) * | 1989-05-18 | 1993-01-19 | Masayuki Okajima | Codec system encoding and decoding an image signal at a high speed |
-
1990
- 1990-06-01 EP EP90305991A patent/EP0402058B1/de not_active Expired - Lifetime
- 1990-06-01 DE DE69026143T patent/DE69026143T2/de not_active Expired - Fee Related
-
1993
- 1993-11-04 US US08/148,523 patent/US5325374A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0402058A3 (de) | 1991-07-31 |
DE69026143D1 (de) | 1996-05-02 |
US5325374A (en) | 1994-06-28 |
EP0402058B1 (de) | 1996-03-27 |
EP0402058A2 (de) | 1990-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |