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

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

Info

Publication number
NO167949C
NO167949C NO844016A NO844016A NO167949C NO 167949 C NO167949 C NO 167949C NO 844016 A NO844016 A NO 844016A NO 844016 A NO844016 A NO 844016A NO 167949 C NO167949 C NO 167949C
Authority
NO
Norway
Prior art keywords
analog
digital
decoder system
code
digital code
Prior art date
Application number
NO844016A
Other languages
English (en)
Norwegian (no)
Other versions
NO167949B (no
NO844016L (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.)
Filing date
Publication date
Priority claimed from US06/642,045 external-priority patent/US4700362A/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of NO844016L publication Critical patent/NO844016L/no
Priority to NO912246A priority Critical patent/NO912246D0/no
Priority to NO912245A priority patent/NO912245D0/no
Publication of NO167949B publication Critical patent/NO167949B/no
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
NO912246A NO912246D0 (no) 1983-10-07 1991-06-11 Digital/analog-dekoder.
NO912245A NO912245D0 (no) 1983-10-07 1991-06-11 Analog/digital-koder- og digital/analog-dekoder-system.

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) EP0384544A3 (fr)
KR (1) KR930005647B1 (fr)
AU (6) AU572556B2 (fr)
BR (1) BR8405049A (fr)
CA (1) CA1257930A (fr)
DE (1) DE3485530D1 (fr)
DK (2) DK478884A (fr)
ES (4) ES8606753A1 (fr)
NO (1) NO167949C (fr)

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
JP2022504203A (ja) * 2018-10-05 2022-01-13 マジック リープ， インコーポレイテッド オーディオ空間化のための強調

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

Also Published As

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

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