ATE248459T1 - Verfahren und gerät für eine digitale filterbank mit geringem stromverbrauch - Google Patents

Verfahren und gerät für eine digitale filterbank mit geringem stromverbrauch

Info

Publication number
ATE248459T1
ATE248459T1 AT98918820T AT98918820T ATE248459T1 AT E248459 T1 ATE248459 T1 AT E248459T1 AT 98918820 T AT98918820 T AT 98918820T AT 98918820 T AT98918820 T AT 98918820T AT E248459 T1 ATE248459 T1 AT E248459T1
Authority
AT
Austria
Prior art keywords
squares
roots
digital
sum
square root
Prior art date
Application number
AT98918820T
Other languages
English (en)
Inventor
Clemens Zierhofer
Original Assignee
Med El Elektromed Geraete Gmbh
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 Med El Elektromed Geraete Gmbh filed Critical Med El Elektromed Geraete Gmbh
Application granted granted Critical
Publication of ATE248459T1 publication Critical patent/ATE248459T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0266Filter banks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Networks Using Active Elements (AREA)
  • Analogue/Digital Conversion (AREA)
AT98918820T 1997-05-01 1998-04-28 Verfahren und gerät für eine digitale filterbank mit geringem stromverbrauch ATE248459T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4527997P 1997-05-01 1997-05-01
PCT/US1998/008520 WO1998049775A1 (en) 1997-05-01 1998-04-28 Apparatus and method for a low power digital filter bank

Publications (1)

Publication Number Publication Date
ATE248459T1 true ATE248459T1 (de) 2003-09-15

Family

ID=21936983

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98918820T ATE248459T1 (de) 1997-05-01 1998-04-28 Verfahren und gerät für eine digitale filterbank mit geringem stromverbrauch

Country Status (8)

Country Link
US (2) US5983139A (de)
EP (1) EP0979554B1 (de)
JP (1) JP4293639B2 (de)
AT (1) ATE248459T1 (de)
AU (1) AU750976B2 (de)
CA (1) CA2287261C (de)
DE (1) DE69817555T2 (de)
WO (1) WO1998049775A1 (de)

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US8150065B2 (en) * 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
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Also Published As

Publication number Publication date
US5983139A (en) 1999-11-09
EP0979554A1 (de) 2000-02-16
US6182103B1 (en) 2001-01-30
JP4293639B2 (ja) 2009-07-08
DE69817555T2 (de) 2004-06-17
JP2002511986A (ja) 2002-04-16
AU750976B2 (en) 2002-08-01
CA2287261C (en) 2007-10-23
AU7167398A (en) 1998-11-24
CA2287261A1 (en) 1998-11-05
EP0979554B1 (de) 2003-08-27
DE69817555D1 (de) 2003-10-02
WO1998049775A1 (en) 1998-11-05

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