NL8420060A - Datacompressiesysteem en werkwijze voor het verwerken van digitale bemonsterde signalen. - Google Patents

Datacompressiesysteem en werkwijze voor het verwerken van digitale bemonsterde signalen. Download PDF

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Publication number
NL8420060A
NL8420060A NL8420060A NL8420060A NL8420060A NL 8420060 A NL8420060 A NL 8420060A NL 8420060 A NL8420060 A NL 8420060A NL 8420060 A NL8420060 A NL 8420060A NL 8420060 A NL8420060 A NL 8420060A
Authority
NL
Netherlands
Prior art keywords
digital
filter
signals
unit circle
compression
Prior art date
Application number
NL8420060A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stanford Res Inst Int
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
Application filed by Stanford Res Inst Int filed Critical Stanford Res Inst Int
Publication of NL8420060A publication Critical patent/NL8420060A/nl

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0227—Measures concerning the coefficients
    • H03H17/023—Measures concerning the coefficients reducing the wordlength, the possible values of coefficients
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7232—Signal processing specially adapted for physiological signals or for diagnostic purposes involving compression of the physiological signal, e.g. to extend the signal recording period

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NL8420060A 1983-12-12 1984-02-27 Datacompressiesysteem en werkwijze voor het verwerken van digitale bemonsterde signalen. NL8420060A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US56061083A 1983-12-12 1983-12-12
US56061083 1983-12-12
PCT/US1984/000323 WO1985002529A1 (en) 1983-12-12 1984-02-27 Data compression system and method for processing digital sample signals
US8400323 1984-02-27

Publications (1)

Publication Number Publication Date
NL8420060A true NL8420060A (nl) 1985-11-01

Family

ID=24238541

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8420060A NL8420060A (nl) 1983-12-12 1984-02-27 Datacompressiesysteem en werkwijze voor het verwerken van digitale bemonsterde signalen.

Country Status (6)

Country Link
JP (1) JPS61500998A (cs)
CA (1) CA1224876A (cs)
DE (2) DE3490580T (cs)
GB (1) GB2165426B (cs)
NL (1) NL8420060A (cs)
WO (1) WO1985002529A1 (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802222A (en) * 1983-12-12 1989-01-31 Sri International Data compression system and method for audio signals
DE3602808A1 (de) * 1986-01-30 1987-08-06 Siemens Ag Codiereinrichtung fuer variable wortlaengen
DE3605032A1 (de) * 1986-02-18 1987-08-20 Thomson Brandt Gmbh Verfahren zur digitalen nachrichtenuebertragung
US4882754A (en) * 1987-08-25 1989-11-21 Digideck, Inc. Data compression system and method with buffer control
GB2511479A (en) * 2012-12-17 2014-09-10 Librae Ltd Interacting toys

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098267A (en) * 1977-07-05 1978-07-04 Clinical Data, Inc. System for display and analysis of physiological signals such as electrocardiographic (ECG) signals
US4396906A (en) * 1980-10-31 1983-08-02 Sri International Method and apparatus for digital Huffman encoding
US4449536A (en) * 1980-10-31 1984-05-22 Sri International Method and apparatus for digital data compression

Also Published As

Publication number Publication date
GB2165426B (en) 1988-01-13
GB8519232D0 (en) 1985-09-04
WO1985002529A1 (en) 1985-06-20
JPS61500998A (ja) 1986-05-15
CA1224876A (en) 1987-07-28
GB2165426A (en) 1986-04-09
DE3490580T (de) 1986-01-23
DE3490580C2 (cs) 1993-03-04

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