NO167949C - Analog/digital-koder- og digital/analog-dekoder-system - Google Patents

Analog/digital-koder- og digital/analog-dekoder-system

Info

Publication number: NO167949C
Authority: NO; Norway
Prior art keywords: analog; digital; decoder system; code; digital code
Prior art date: 1983-10-07

Application number

NO844016A

Other languages

English (en)

Norwegian (no)

Other versions

NO844016L (no

NO167949B (no

Inventor

Kenneth James Gundry

Craig C Todd

Original Assignee

Dolby Lab Licensing Corp

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.)

1983-10-07

Filing date

1984-10-05

Publication date

1991-12-27

1984-08-21 Priority claimed from US06/642,045 external-priority patent/US4700362A/en

1984-10-05 Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp

1985-04-09 Publication of NO844016L publication Critical patent/NO844016L/no

1991-06-11 Priority to NO912245A priority Critical patent/NO912245D0/no

1991-06-11 Priority to NO912246A priority patent/NO912246D0/no

1991-09-16 Publication of NO167949B publication Critical patent/NO167949B/no

1991-12-27 Publication of NO167949C publication Critical patent/NO167949C/no

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- 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
- H04B14/062—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 delta modulation or one-bit differential modulation [1DPCM]
- H04B14/064—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 delta modulation or one-bit differential modulation [1DPCM] with adaptive feedback

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Theoretical Computer Science (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Selective Calling Equipment (AREA)
Circuits Of Receivers In General (AREA)
Analogue/Digital Conversion (AREA)

NO844016A 1983-10-07 1984-10-05 Analog/digital-koder- og digital/analog-dekoder-system NO167949C (no)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
NO912245A NO912245D0 (no)	1983-10-07	1991-06-11	Analog/digital-koder- og digital/analog-dekoder-system.
NO912246A NO912246D0 (no)	1983-10-07	1991-06-11	Digital/analog-dekoder.

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US54042183A	1983-10-07	1983-10-07
US54019583A	1983-10-07	1983-10-07
US06/642,045 US4700362A (en)	1983-10-07	1984-08-21	A-D encoder and D-A decoder system

Publications (3)

Publication Number	Publication Date
NO844016L NO844016L (no)	1985-04-09
NO167949B NO167949B (no)	1991-09-16
NO167949C true NO167949C (no)	1991-12-27

Family

ID=27415317

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO844016A NO167949C (no)	1983-10-07	1984-10-05	Analog/digital-koder- og digital/analog-dekoder-system

Country Status (9)

Country	Link
EP (3)	EP0138548B1 (da)
KR (1)	KR930005647B1 (da)
AU (6)	AU572556B2 (da)
BR (1)	BR8405049A (da)
CA (1)	CA1257930A (da)
DE (1)	DE3485530D1 (da)
DK (2)	DK478884A (da)
ES (4)	ES8606753A1 (da)
NO (1)	NO167949C (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU572556B2 (en) *	1983-10-07	1988-05-12	Dolby Laboratories Licensing Corporation	A/d encoder and decoder
US4656633A (en) *	1985-03-15	1987-04-07	Dolby Laboratories Licensing Corporation	Error concealment system
US4829299A (en) *	1987-09-25	1989-05-09	Dolby Laboratories Licensing Corporation	Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
US5153593A (en) *	1990-04-26	1992-10-06	Hughes Aircraft Company	Multi-stage sigma-delta analog-to-digital converter
AU2002219148A1 (en) *	2001-11-29	2003-06-10	Telefonaktiebolaget Lm Ericsson (Publ)	Decoding method for a delta modulated signal
EP3861768A4 (en) *	2018-10-05	2021-12-08	Magic Leap, Inc.	RUN TIME DIFFERENCE CROSSFADER FOR REPLAYING BINAURAL SOUND

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3497624A (en) *	1966-08-16	1970-02-24	Bell Telephone Labor Inc	Continuously compounded delta modulation
US3631520A (en) *	1968-08-19	1971-12-28	Bell Telephone Labor Inc	Predictive coding of speech signals
US4208740A (en) *	1978-12-20	1980-06-17	International Business Machines Corporation	Adaptive delta modulation system
US4264974A (en) *	1979-12-17	1981-04-28	International Business Machines Corporation	Optimized digital delta modulation compander having truncation effect error recovery
DE3002960A1 (de) *	1980-01-29	1981-09-10	TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg	Adaptiver deltamodulator
US4352191A (en) *	1980-05-19	1982-09-28	Un Chong K	Hybrid companding delta modulation system
NL8105196A (nl) *	1981-11-17	1983-06-16	Philips Nv	Differentieel pulscode modulatie overdrachtstelsel.
US4507791A (en) *	1982-05-05	1985-03-26	Dolby Laboratories Licensing Corporation	Analog and digital signal apparatus
AU2021383A (en) *	1982-10-09	1984-04-12	International Standard Electric Corp.	Digital p.c.m. communication system
AU572556B2 (en) *	1983-10-07	1988-05-12	Dolby Laboratories Licensing Corporation	A/d encoder and decoder

1984
- 1984-09-07 AU AU32816/84A patent/AU572556B2/en not_active Ceased
- 1984-09-07 AU AU32815/84A patent/AU572555B2/en not_active Expired
- 1984-09-28 KR KR1019840006015A patent/KR930005647B1/ko not_active Expired - Fee Related
- 1984-10-05 BR BR8405049A patent/BR8405049A/pt not_active IP Right Cessation
- 1984-10-05 NO NO844016A patent/NO167949C/no unknown
- 1984-10-05 DK DK478884A patent/DK478884A/da not_active Application Discontinuation
- 1984-10-05 CA CA000464818A patent/CA1257930A/en not_active Expired
- 1984-10-05 ES ES84536552A patent/ES8606753A1/es not_active Expired
- 1984-10-08 EP EP84306849A patent/EP0138548B1/en not_active Expired - Lifetime
- 1984-10-08 DE DE8484306849T patent/DE3485530D1/de not_active Expired - Lifetime
- 1984-10-08 EP EP90200454A patent/EP0376933A3/en not_active Withdrawn
- 1984-10-08 EP EP19900200455 patent/EP0384544A3/en not_active Withdrawn
1985
- 1985-11-16 ES ES548970A patent/ES8704684A1/es not_active Expired
- 1985-11-16 ES ES548969A patent/ES8704683A1/es not_active Expired
- 1985-11-16 ES ES548971A patent/ES8704685A1/es not_active Expired
1988
- 1988-06-02 AU AU17307/88A patent/AU607505B2/en not_active Expired
- 1988-06-02 AU AU17311/88A patent/AU585754B2/en not_active Ceased
- 1988-06-02 AU AU17309/88A patent/AU587939B2/en not_active Expired
- 1988-06-02 AU AU17310/88A patent/AU587940B2/en not_active Ceased
1991
- 1991-02-25 DK DK032191A patent/DK32191A/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
NO844016L (no)	1985-04-09
ES8606753A1 (es)	1986-04-01
BR8405049A (pt)	1985-08-20
AU572555B2 (en)	1988-05-12
AU1730788A (en)	1988-09-01
AU1731188A (en)	1988-09-01
AU1730988A (en)	1988-09-01
EP0376933A3 (en)	1990-08-22
ES548969A0 (es)	1987-04-01
KR930005647B1 (ko)	1993-06-23
DK478884A (da)	1985-04-08
ES8704684A1 (es)	1987-04-01
CA1257930A (en)	1989-07-25
DK32191D0 (da)	1991-02-25
AU3281684A (en)	1985-04-18
AU572556B2 (en)	1988-05-12
DK478884D0 (da)	1984-10-05
AU3281584A (en)	1985-04-18
ES548971A0 (es)	1987-04-01
ES536552A0 (es)	1986-04-01
DK32191A (da)	1991-02-25
KR850003089A (ko)	1985-05-28
AU607505B2 (en)	1991-03-07
EP0384544A2 (en)	1990-08-29
AU585754B2 (en)	1989-06-22
ES8704683A1 (es)	1987-04-01
EP0138548A2 (en)	1985-04-24
AU587939B2 (en)	1989-08-31
EP0138548A3 (en)	1988-01-27
EP0384544A3 (en)	1990-09-12
DE3485530D1 (de)	1992-04-09
EP0138548B1 (en)	1992-03-04
EP0376933A2 (en)	1990-07-04
AU1731088A (en)	1988-09-01
NO167949B (no)	1991-09-16
ES8704685A1 (es)	1987-04-01
ES548970A0 (es)	1987-04-01
AU587940B2 (en)	1989-08-31

Publication	Publication Date	Title
DK255384A (da)	1984-11-28	Digitalt audiokodesystem med fejltilpasning
DE3856461D1 (de)	2001-04-19	System zur Bildcodierung und -decodierung
KR860001376A (ko)	1986-02-26	디지탈 표시 시스템
DK438189D0 (da)	1989-09-05	Digital talekoder
DE3883588D1 (de)	1993-10-07	ADPCM-Codier- und Decodiersysteme.
DE68926600D1 (de)	1996-07-11	Digitales Regelsystem
DE3774761D1 (de)	1992-01-09	Dpcm-kodierer und zugehoeriger dekodierer.
DE68925066D1 (de)	1996-01-25	Teletext-Dekodierer
GB8415675D0 (en)	1984-07-25	Code word decoding system
DE3481885D1 (de)	1990-05-10	Coderwoerter-decodierer.
EP0260461A3 (en)	1990-10-31	Arithmetic coding encoder and decoder system
DE3483790D1 (de)	1991-02-07	Digitalanalogwandler.
DE3689102D1 (de)	1993-11-04	Digitaler kodewortdekodierer.
MX157248A (es)	1988-11-08	Mejoras en sistema exhibidor digital
DK435984A (da)	1985-03-16	Dekoder
FR2569073B1 (fr)	1992-11-27	Magnetoscope numerique
NO844016L (no)	1985-04-09	Analog/digital-koder- og digital/analogi-dekoder-system
GB2159645B (en)	1988-09-01	Digital signal decoding system
DE68927576D1 (de)	1997-02-06	Teletext-Dekodierer
NO160732C (no)	1989-05-24	Fremgangsmaate og system for dekking av konstruksjoner.
DK311386D0 (da)	1986-06-30	Digitalt kodekredsloeb
NL191073C (nl)	1995-01-02	Digitaal/analoog-omvormer.
NO912245L (no)	1985-04-09	Analog/digital-koder- og digital/analog-dekoder-system.
NO912246D0 (no)	1991-06-11	Digital/analog-dekoder.
GB2107949B (en)	1985-04-11	Digital decoder