DK0574400T3 - Fremgangsmåde til reduktion af en digital filterbanks effektforbrug ved nedsættelse af antallet af multiplikationer - Google Patents

Fremgangsmåde til reduktion af en digital filterbanks effektforbrug ved nedsættelse af antallet af multiplikationer

Info

Publication number
DK0574400T3
DK0574400T3 DK92901314.2T DK92901314T DK0574400T3 DK 0574400 T3 DK0574400 T3 DK 0574400T3 DK 92901314 T DK92901314 T DK 92901314T DK 0574400 T3 DK0574400 T3 DK 0574400T3
Authority
DK
Denmark
Prior art keywords
filter
bank
basic
bands
pct
Prior art date
Application number
DK92901314.2T
Other languages
English (en)
Inventor
Thomas Lunner
Johan Hellgren
Original Assignee
Thomas Lunner
Johan Hellgren
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 Thomas Lunner, Johan Hellgren filed Critical Thomas Lunner
Application granted granted Critical
Publication of DK0574400T3 publication Critical patent/DK0574400T3/da

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
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Networks Using Active Elements (AREA)
  • Complex Calculations (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Circuits Of Receivers In General (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Fuel Cell (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Secondary Cells (AREA)
  • Amplifiers (AREA)
  • Studio Devices (AREA)
DK92901314.2T 1990-12-19 1991-12-13 Fremgangsmåde til reduktion af en digital filterbanks effektforbrug ved nedsættelse af antallet af multiplikationer DK0574400T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9004055A SE467680B (sv) 1990-12-19 1990-12-19 Digital filterbank med minskad effektfoerbrukning

Publications (1)

Publication Number Publication Date
DK0574400T3 true DK0574400T3 (da) 1997-05-05

Family

ID=20381240

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92901314.2T DK0574400T3 (da) 1990-12-19 1991-12-13 Fremgangsmåde til reduktion af en digital filterbanks effektforbrug ved nedsættelse af antallet af multiplikationer

Country Status (11)

Country Link
US (1) US5436859A (da)
EP (1) EP0574400B1 (da)
JP (1) JP3223188B2 (da)
AT (1) ATE145772T1 (da)
AU (1) AU652210B2 (da)
CA (1) CA2098711C (da)
DE (1) DE69123365T2 (da)
DK (1) DK0574400T3 (da)
ES (1) ES2094899T3 (da)
SE (1) SE467680B (da)
WO (1) WO1992011696A1 (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69324789T2 (de) * 1993-01-29 1999-09-16 St Microelectronics Srl Verfahren zur Filterung digitaler Signale mit hoher Auslösung und entsprechendem Aufbau digitaler Filter
DE4437158C1 (de) * 1994-10-18 1995-10-19 Ant Nachrichtentech De-/Multiplexer von Frequenzbändern
US5923273A (en) * 1996-11-18 1999-07-13 Crystal Semiconductor Corporation Reduced power FIR filter
US6377968B1 (en) * 1998-04-16 2002-04-23 Hitachi, Ltd. Digital filtering circuit
US7076228B1 (en) * 1999-11-10 2006-07-11 Rilling Kenneth F Interference reduction for multiple signals
JP2000261291A (ja) * 1999-03-11 2000-09-22 Mitsubishi Electric Corp リサンプラ方法およびリサンプラ回路
US7080108B1 (en) * 1999-11-02 2006-07-18 Intel Corporation Discrete filter having a tap selection circuit
WO2003058814A1 (fr) * 2001-12-28 2003-07-17 Sakai, Yasue Procede de conception de filtre numerique et appareil de conception, programme de conception de filtre numerique, et filtre numerique
EP1533898A1 (en) * 2002-07-15 2005-05-25 Neuro Solution Corp. Digital filter designing method, digital filter designing program, digital filter
US7529788B2 (en) 2002-10-21 2009-05-05 Neuro Solution Corp. Digital filter design method and device, digital filter design program, and digital filter
TW200414675A (en) * 2002-10-21 2004-08-01 Neuro Solution Corp Digital filter design method and device, digital filter design program, and digital filter
TW200408813A (en) * 2002-10-21 2004-06-01 Neuro Solution Corp Digital filter design method and device, digital filter design program, and digital filter
CN1757162A (zh) * 2003-03-03 2006-04-05 神经网络处理有限公司 数字滤波器的设计方法及装置、数字滤波器设计用程序、数字滤波器
US7236693B2 (en) 2005-03-22 2007-06-26 Globaltec Fireplaces, Inc. Flame simulator for use in an electric heater
JP4690243B2 (ja) * 2005-05-11 2011-06-01 ティーオーエー株式会社 デジタルフィルタ、周期性騒音低減装置および騒音低減装置
WO2009150949A1 (ja) * 2008-06-10 2009-12-17 独立行政法人科学技術振興機構 フィルタ
JP2010232714A (ja) * 2009-03-25 2010-10-14 Advantest Corp 信号処理装置、デジタルフィルタ、および、プログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315809A1 (fr) * 1975-06-24 1977-01-21 Trt Telecom Radio Electr Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence
US4542475A (en) * 1982-11-23 1985-09-17 Rca Corporation Sampled data filter system as for a digital TV
US4615026A (en) * 1984-01-20 1986-09-30 Rca Corporation Digital FIR filters with enhanced tap weight resolution
DE3510573A1 (de) * 1985-03-23 1986-09-25 Philips Patentverwaltung Digitale analyse-synthese-filterbank mit maximaler taktreduktion
DE3610195A1 (de) * 1986-03-26 1987-10-01 Ant Nachrichtentech Digitale filterbank
DE3732085A1 (de) * 1986-03-26 1989-04-06 Ant Nachrichtentech Digitaler filterbaum
EP0288577B1 (en) * 1986-10-30 1992-06-03 Fujitsu Limited Echo canceller with short processing delay and decreased multiplication number and method for controlling an echo signal
US4829378A (en) * 1988-06-09 1989-05-09 Bell Communications Research, Inc. Sub-band coding of images with low computational complexity
US5050119A (en) * 1989-10-06 1991-09-17 North American Philips Corporation Optimized sparse transversal filter

Also Published As

Publication number Publication date
DE69123365D1 (de) 1997-01-09
EP0574400B1 (en) 1996-11-27
ATE145772T1 (de) 1996-12-15
US5436859A (en) 1995-07-25
DE69123365T2 (de) 1997-03-27
WO1992011696A1 (en) 1992-07-09
AU652210B2 (en) 1994-08-18
AU9097391A (en) 1992-07-22
SE9004055D0 (sv) 1990-12-19
SE467680B (sv) 1992-08-24
CA2098711C (en) 2000-11-14
SE9004055L (sv) 1992-06-20
JP3223188B2 (ja) 2001-10-29
EP0574400A1 (en) 1993-12-22
JPH06503450A (ja) 1994-04-14
ES2094899T3 (es) 1997-02-01
CA2098711A1 (en) 1992-06-20

Similar Documents

Publication Publication Date Title
DK0574400T3 (da) Fremgangsmåde til reduktion af en digital filterbanks effektforbrug ved nedsættelse af antallet af multiplikationer
Powell et al. A technique for realizing linear phase IIR filters
Qian et al. Decomposition of the Wigner-Ville distribution and time-frequency distribution series
AU5332299A (en) System and method for filtering data
WO1999046662A3 (en) System for operating on client defined rules
ATE388521T1 (de) Akustisches volumenwellenfilter
NO962110L (no) Hybrid smalbåndfilter
KR960702211A (ko) 데이메이션 필터(Decimation Filter)
ES539539A0 (es) Perfeccionamientos introducidos en un filtro de respuesta a impulsos finitos
FI922772A0 (fi) Ytvaogsreflektorfilter.
FI890838A0 (fi) Digitaalinen suodatin integroidulla desimoinnilla
Renfors Roundoff noise in error-feedback state-space filters
Saramaki et al. Properties and structures of linear-phase FIR filters based on switching and resetting of IIR filters
EP1137175A3 (en) Surface acoustic wave device
Netto et al. Efficient design of narrowband cosine-modulated filter banks using a two-stage frequency-response masking approach
KR920001830A (ko) 입력가중형 트랜스 버셜필터
Kailath Remarks on the origin of the displacement-rank concept
Zheng et al. Design of FRM-Based Nonuniform Filter Bank With Reduced Effective Wordlength for Hearing Aids
Onat et al. Optimized delay characteristics for a hearing instrument filter bank
Tan et al. A novel low-voltage low-power wave digital filter bank for an intelligent noise reduction digital hearing instrument
KR940017128A (ko) 디지틀 대역 분할 주파수 변환에서의 필터 계수 배열 방법
JPS56120212A (en) Digital filter of block floating decimal point
Makino et al. Exponentially weighted step-size projection algorithm for acoustic echo cancellers
Abdel-Raheem et al. A tool for two's complement, bit-level, fixed-point simulation of digital filters
Nie et al. Normalized minimum norm digital filter structure: a basic building block for processing real and complex sequences