BR8401845A - Sistema de transmissao - Google Patents
Sistema de transmissaoInfo
- Publication number
- BR8401845A BR8401845A BR8401845A BR8401845A BR8401845A BR 8401845 A BR8401845 A BR 8401845A BR 8401845 A BR8401845 A BR 8401845A BR 8401845 A BR8401845 A BR 8401845A BR 8401845 A BR8401845 A BR 8401845A
- Authority
- BR
- Brazil
- Prior art keywords
- code words
- code
- transmission system
- dpcm
- length
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/066—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using differential modulation with several bits [NDPCM]
- H04B14/068—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using differential modulation with several bits [NDPCM] with adaptive feedback
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Optical Communication System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Closed-Circuit Television Systems (AREA)
- Vehicle Body Suspensions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833314384 DE3314384A1 (de) | 1983-04-21 | 1983-04-21 | Uebertragungssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8401845A true BR8401845A (pt) | 1984-11-27 |
Family
ID=6196926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8401845A BR8401845A (pt) | 1983-04-21 | 1984-04-18 | Sistema de transmissao |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4569058A (pt) |
| EP (1) | EP0126295B1 (pt) |
| JP (1) | JPS59205839A (pt) |
| AT (1) | ATE50388T1 (pt) |
| AU (1) | AU542014B2 (pt) |
| BR (1) | BR8401845A (pt) |
| CA (1) | CA1215771A (pt) |
| DE (2) | DE3314384A1 (pt) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59200592A (ja) * | 1983-04-27 | 1984-11-13 | Fuji Photo Film Co Ltd | カラ−画像の適応形圧縮方式 |
| DE3463886D1 (en) * | 1983-12-22 | 1987-06-25 | Siemens Ag | Arrangement for the transmission of television-signal components |
| DE3405184C2 (de) * | 1984-02-14 | 1986-04-10 | Siemens AG, 1000 Berlin und 8000 München | Übertragungssystem |
| JPS61107818A (ja) * | 1984-10-30 | 1986-05-26 | Nec Corp | エントロピ−符号化方式とその装置 |
| CA1288867C (en) * | 1985-06-20 | 1991-09-10 | Tomoyoshi Takebayashi | Adaptive differential pulse code modulation system |
| DE3525567A1 (de) * | 1985-07-15 | 1987-05-07 | Krone Ag | Bewegtbildkodierer mit selbstkennzeichnung der stopfzeichen |
| US4665436A (en) * | 1985-12-20 | 1987-05-12 | Osborne Joseph A | Narrow bandwidth signal transmission |
| US4691233A (en) * | 1986-09-30 | 1987-09-01 | Rca Corporation | Rate buffer control of difference signal decimation and interpolation for adaptive differential pulse code modulator |
| US4914675A (en) * | 1988-01-28 | 1990-04-03 | General Electric Company | Apparatus for efficiently packing data in a buffer |
| US4821290A (en) * | 1988-02-09 | 1989-04-11 | General Electric Company | Decoder for digital signal codes |
| US5060242A (en) * | 1989-02-24 | 1991-10-22 | General Electric Company | Non-destructive lossless image coder |
| JPH0314383A (ja) * | 1989-06-13 | 1991-01-23 | Canon Inc | 符号化装置 |
| US5115240A (en) * | 1989-09-26 | 1992-05-19 | Sony Corporation | Method and apparatus for encoding voice signals divided into a plurality of frequency bands |
| US5136290A (en) * | 1990-06-18 | 1992-08-04 | Bond James W | Message expansion decoder and decoding method for a communication channel |
| GB2257606B (en) * | 1991-06-28 | 1995-01-18 | Sony Corp | Recording and/or reproducing apparatuses and signal processing methods for compressed data |
| US5521713A (en) * | 1991-08-29 | 1996-05-28 | Sony Corporation | Apparatus and method for data compression and expansion using hybrid equal length coding and unequal length coding |
| JP3153933B2 (ja) * | 1992-06-16 | 2001-04-09 | ソニー株式会社 | データ符号化装置及び方法並びにデータ復号化装置及び方法 |
| US5343195A (en) * | 1992-12-18 | 1994-08-30 | Thomson Consumer Electronics, Inc. | Variable length codeword decoding apparatus |
| JP3186292B2 (ja) * | 1993-02-02 | 2001-07-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
| JP3186307B2 (ja) * | 1993-03-09 | 2001-07-11 | ソニー株式会社 | 圧縮データ記録装置及び方法 |
| US5581654A (en) * | 1993-05-25 | 1996-12-03 | Sony Corporation | Method and apparatus for information encoding and decoding |
| US5608713A (en) * | 1994-02-09 | 1997-03-04 | Sony Corporation | Bit allocation of digital audio signal blocks by non-linear processing |
| JP3186412B2 (ja) * | 1994-04-01 | 2001-07-11 | ソニー株式会社 | 情報符号化方法、情報復号化方法、及び情報伝送方法 |
| JP3277699B2 (ja) * | 1994-06-13 | 2002-04-22 | ソニー株式会社 | 信号符号化方法及び装置並びに信号復号化方法及び装置 |
| JP3277705B2 (ja) | 1994-07-27 | 2002-04-22 | ソニー株式会社 | 情報符号化装置及び方法、並びに情報復号化装置及び方法 |
| JP3341474B2 (ja) * | 1994-07-28 | 2002-11-05 | ソニー株式会社 | 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体 |
| JP3557674B2 (ja) * | 1994-12-15 | 2004-08-25 | ソニー株式会社 | 高能率符号化方法及び装置 |
| US5696791A (en) * | 1995-01-17 | 1997-12-09 | Vtech Industries, Inc. | Apparatus and method for decoding a sequence of digitally encoded data |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761613A (en) * | 1972-06-20 | 1973-09-25 | Bell Telephone Labor Inc | Dual mode video encoder |
| DE2405534C2 (de) * | 1974-02-06 | 1983-06-01 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Nachrichtenübertragungssystem, insbesondere zur Übertragung von Videosignalen |
| GB2003001A (en) * | 1977-08-16 | 1979-02-28 | Dennis T | Improvements in methods and apparatus for coding digital television signals |
| US4141034A (en) * | 1977-08-19 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Digital encoding of color video signals |
| DE2740945C3 (de) * | 1977-09-10 | 1982-02-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum Übertragen von Bildsignalen mit Hilfe der Differenz-Puls-Code-Modulation (DPCM) und geste uertem Quantisierer |
| JPS57203385A (en) * | 1981-06-09 | 1982-12-13 | Nec Corp | Coding device |
| CA1197005A (en) * | 1981-09-29 | 1985-11-19 | Norio Suzuki | System comprising a preliminary processing device controlled in accordance with an amount of information stored in a buffer |
| US4491953A (en) * | 1982-09-09 | 1985-01-01 | At&T Bell Laboratories | Dual mode coding |
-
1983
- 1983-04-21 DE DE19833314384 patent/DE3314384A1/de not_active Withdrawn
-
1984
- 1984-04-04 US US06/596,659 patent/US4569058A/en not_active Expired - Fee Related
- 1984-04-16 DE DE8484104302T patent/DE3481364D1/de not_active Expired - Lifetime
- 1984-04-16 AT AT84104302T patent/ATE50388T1/de active
- 1984-04-16 EP EP84104302A patent/EP0126295B1/de not_active Expired - Lifetime
- 1984-04-18 BR BR8401845A patent/BR8401845A/pt unknown
- 1984-04-19 CA CA000452431A patent/CA1215771A/en not_active Expired
- 1984-04-19 AU AU27163/84A patent/AU542014B2/en not_active Ceased
- 1984-04-20 JP JP59078763A patent/JPS59205839A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0126295A3 (en) | 1986-04-30 |
| EP0126295B1 (de) | 1990-02-07 |
| CA1215771A (en) | 1986-12-23 |
| EP0126295A2 (de) | 1984-11-28 |
| DE3481364D1 (de) | 1990-03-15 |
| US4569058A (en) | 1986-02-04 |
| JPS59205839A (ja) | 1984-11-21 |
| AU2716384A (en) | 1984-10-25 |
| ATE50388T1 (de) | 1990-02-15 |
| DE3314384A1 (de) | 1984-10-25 |
| AU542014B2 (en) | 1985-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15K | Others concerning applications: alteration of classification |
Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA H04N 7/13. Ipc: H04B 14/06 (2006.01), H04N 19/124 (2014.01), H04N Ipc: H04B 14/06 (2006.01), H04N 19/124 (2014.01), H04N |