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DK0387507T3 - Device for converting the sampling frequency for digital signals - Google Patents

Device for converting the sampling frequency for digital signals

Info

Publication number
DK0387507T3
DK0387507T3 DK90101608.9T DK90101608T DK0387507T3 DK 0387507 T3 DK0387507 T3 DK 0387507T3 DK 90101608 T DK90101608 T DK 90101608T DK 0387507 T3 DK0387507 T3 DK 0387507T3
Authority
DK
Denmark
Prior art keywords
digital signals
sample values
interpolation
converting
sampling frequency
Prior art date
Application number
DK90101608.9T
Other languages
Danish (da)
Inventor
Alfred Kraker
Original Assignee
Siemens Ag Oesterreich
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 Siemens Ag Oesterreich filed Critical Siemens Ag Oesterreich
Application granted granted Critical
Publication of DK0387507T3 publication Critical patent/DK0387507T3/en

Links

Classifications

    • 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
    • H03H17/028—Polynomial filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0628—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing the input and output signals being derived from two separate clocks, i.e. asynchronous sample rate conversion

Landscapes

  • Mathematical Physics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Complex Calculations (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Color Television Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

Conversion of the sampling rates of digital signals by means of an interpolation computer which calculates from interpolation points derived from input sample values and from time differences between input and output sampling times, measured by means of a timer, the output sample values. Difference structure computers form from the interpolation points special difference structures of second, fourth and further even-numbered orders, from which the sample values are obtained in accordance with the Everett interpolation formula.
DK90101608.9T 1989-02-02 1990-01-26 Device for converting the sampling frequency for digital signals DK0387507T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT21189 1989-02-02

Publications (1)

Publication Number Publication Date
DK0387507T3 true DK0387507T3 (en) 1994-06-27

Family

ID=3484442

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90101608.9T DK0387507T3 (en) 1989-02-02 1990-01-26 Device for converting the sampling frequency for digital signals

Country Status (5)

Country Link
EP (1) EP0387507B1 (en)
AT (1) ATE104099T1 (en)
DE (1) DE59005230D1 (en)
DK (1) DK0387507T3 (en)
ES (1) ES2054114T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315947C2 (en) * 1993-05-12 1995-11-16 Siemens Ag Arrangement for signal transmission between an audio device and a telephone device
EP0696848B1 (en) * 1994-08-08 2000-04-05 Micronas Intermetall GmbH Method of digital signal interpolation
AT408821B (en) * 1998-04-20 2002-03-25 Siemens Ag Oesterreich METHOD FOR CONVERTING THE SAMPLE RATE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE14358T1 (en) * 1980-11-26 1985-08-15 Studer Willi Ag METHOD AND CIRCUIT ARRANGEMENT FOR CONVERTING THE SAMPLING FREQUENCY OF A SAMPLING SERIES, BYPASSING CONVERSION TO A CONTINUOUS SIGNAL.
NL8202687A (en) * 1982-07-05 1984-02-01 Philips Nv DECIMATING FILTER DEVICE.

Also Published As

Publication number Publication date
EP0387507A3 (en) 1991-01-02
DE59005230D1 (en) 1994-05-11
ATE104099T1 (en) 1994-04-15
ES2054114T3 (en) 1994-08-01
EP0387507A2 (en) 1990-09-19
EP0387507B1 (en) 1994-04-06

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