BR8304726A - Codificador-dpcm digital com alta velocidade de processamento - Google Patents

Codificador-dpcm digital com alta velocidade de processamento

Info

Publication number: BR8304726A
Authority: BR; Brazil
Prior art keywords: processing speed; high processing; coder; dpcm; calculating
Prior art date: 1982-09-01

Application number

BR8304726A

Other languages

English (en)

Inventor

Hans-Joachim Grallert

Original Assignee

Siemens Ag

Priority date (The priority date 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 date listed.)

1982-09-01

Filing date

1983-08-31

Publication date

1984-04-10

1983-08-31 Application filed by Siemens Ag filed Critical Siemens Ag

1984-04-10 Publication of BR8304726A publication Critical patent/BR8304726A/pt

Classifications

- 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]

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Analogue/Digital Conversion (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

BR8304726A 1982-09-01 1983-08-31 Codificador-dpcm digital com alta velocidade de processamento BR8304726A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19823232558 DE3232558A1 (de)	1982-09-01	1982-09-01	Digitaler dpcm-kodierer mit hoher verarbeitungsgeschwindigkeit

Publications (1)

Publication Number	Publication Date
BR8304726A true BR8304726A (pt)	1984-04-10

Family

ID=6172251

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8304726A BR8304726A (pt)	1982-09-01	1983-08-31	Codificador-dpcm digital com alta velocidade de processamento

Country Status (9)

Country	Link
US (1)	US4536880A (pt)
EP (1)	EP0104469B1 (pt)
JP (1)	JPS5961220A (pt)
AT (1)	ATE49688T1 (pt)
AU (1)	AU540849B2 (pt)
BR (1)	BR8304726A (pt)
CA (1)	CA1214279A (pt)
DE (2)	DE3232558A1 (pt)
NO (1)	NO162937B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6188620A (ja) *	1984-10-05	1986-05-06	Nippon Telegr & Teleph Corp <Ntt>	予測符号化回路
US4716539A (en) *	1984-12-31	1987-12-29	Gte Communication Systems Corporation	Multiplier circuit for encoder PCM samples
US4744045A (en) *	1984-12-31	1988-05-10	Gte Communication Systems Corporation	Divider circuit for encoded PCM samples
US4716538A (en) *	1984-12-31	1987-12-29	Gte Communication Systems Corporation	Multiply/divide circuit for encoder PCM samples
DE3822355A1 (de) *	1988-07-01	1990-01-04	Siemens Ag	Dpcm-coder fuer hohe datenraten
US4866510A (en) *	1988-09-30	1989-09-12	American Telephone And Telegraph Company	Digital video encoder
JPH07109991B2 (ja) *	1989-06-05	1995-11-22	日本ビクター株式会社	ノイズシェーピング型再量子化回路
JP3033162B2 (ja) *	1990-09-20	2000-04-17	ソニー株式会社	ノイズシェーピング回路
US5266952A (en) *	1992-03-30	1993-11-30	Hughes Aircraft Company	Feed forward predictive analog-to-digital converter
US6313774B1 (en) *	2000-05-19	2001-11-06	Motorola Inc.	Delta-sigma analog-to-digital converter, and method
JP5285682B2 (ja) *	2010-11-29	2013-09-11	シャープ株式会社	画像符号化装置、画像符号化方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2260264C3 (de) *	1972-12-08	1975-06-05	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Verfahren und Anordnung zur Schätzwertbildung in einem Codierer für Differenz-Pulscodemodulation
FR2460580A1 (fr) *	1979-06-29	1981-01-23	France Etat	Dispositif pour le suivi et l'estimation recursive de l'etat local des contours d'images et application a la prediction adaptative en codage differentiel de signaux de television
NL8101199A (nl) *	1981-03-12	1982-10-01	Philips Nv	Systeem voor het kwantiseren van signalen.
US4470146A (en) *	1982-04-30	1984-09-04	Communications Satellite Corporation	Adaptive quantizer with instantaneous error robustness

1982
- 1982-09-01 DE DE19823232558 patent/DE3232558A1/de not_active Withdrawn
1983
- 1983-08-16 US US06/523,561 patent/US4536880A/en not_active Expired - Fee Related
- 1983-08-22 NO NO833020A patent/NO162937B/no unknown
- 1983-08-24 JP JP58153364A patent/JPS5961220A/ja active Granted
- 1983-08-29 AT AT83108502T patent/ATE49688T1/de active
- 1983-08-29 DE DE8383108502T patent/DE3381133D1/de not_active Expired - Lifetime
- 1983-08-29 EP EP83108502A patent/EP0104469B1/de not_active Expired - Lifetime
- 1983-08-30 CA CA000435656A patent/CA1214279A/en not_active Expired
- 1983-08-31 BR BR8304726A patent/BR8304726A/pt unknown
- 1983-08-31 AU AU18576/83A patent/AU540849B2/en not_active Ceased

Also Published As

Publication number	Publication date
CA1214279A (en)	1986-11-18
DE3232558A1 (de)	1984-03-01
JPS5961220A (ja)	1984-04-07
NO833020L (no)	1984-03-02
NO162937B (no)	1989-11-27
DE3381133D1 (de)	1990-02-22
EP0104469A3 (en)	1986-11-26
ATE49688T1 (de)	1990-02-15
JPS6320053B2 (pt)	1988-04-26
AU540849B2 (en)	1984-12-06
EP0104469B1 (de)	1990-01-17
AU1857683A (en)	1984-03-08
US4536880A (en)	1985-08-20
EP0104469A2 (de)	1984-04-04

Similar Documents

Publication	Publication Date	Title
CA2068751A1 (en)	1992-11-25	Image coding system
BR8304726A (pt)	1984-04-10	Codificador-dpcm digital com alta velocidade de processamento
EP0293189A3 (en)	1990-08-16	High efficiency coding apparatus
JPS5799285A (en)	1982-06-19	Reciprocal piston pump apparatus having constant emitting output
DE69132956D1 (de)	2002-04-25	Sprachcodierung durch lineare Prädiktion mit Anhebung der Hochfrequenzen
ATE40499T1 (de)	1989-02-15	Schneller dpcm-kodierer.
JPS5324206A (en)	1978-03-06	Adaptive linear prediction unit
JPS539942A (en)	1978-01-28	Sound-proof type engine operation machine
ATE49834T1 (de)	1990-02-15	Dpcm-codierer mit verringerter interner rechenzeit.
JPS5432257A (en)	1979-03-09	Coder
JPS52114257A (en)	1977-09-24	Encoder device
JPS5226174A (en)	1977-02-26	Positioning unit
JPS53108757A (en)	1978-09-21	Coding method
JPS52122040A (en)	1977-10-13	Predictive coding between color signal frames
JPS55143830A (en)	1980-11-10	Forecasting coding unit
JPS542618A (en)	1979-01-10	Coding system
JPS548000A (en)	1979-01-20	Registered post undertaking apparatus
JPS52119018A (en)	1977-10-06	Difference coding
JPS53108755A (en)	1978-09-21	Adaptive difference modulating coder
JPS5378133A (en)	1978-07-11	Processing method for binary data conversion
JPS6460175A (en)	1989-03-07	Method for compressing digital image data
JPS57152726A (en)	1982-09-21	A/d converting circuit
JPS52140942A (en)	1977-11-24	High-frequency heating unit
Egorov et al.	1980	Results of a dynamic model of the atmosphere used for treating ballistic problems associated with the Salyut 4 station
JPS5252355A (en)	1977-04-27	Coding unit