JPWO2023032472A1 - - Google Patents

Info

Publication number
JPWO2023032472A1
JPWO2023032472A1 JP2023545133A JP2023545133A JPWO2023032472A1 JP WO2023032472 A1 JPWO2023032472 A1 JP WO2023032472A1 JP 2023545133 A JP2023545133 A JP 2023545133A JP 2023545133 A JP2023545133 A JP 2023545133A JP WO2023032472 A1 JPWO2023032472 A1 JP WO2023032472A1
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2023545133A
Other versions
JPWO2023032472A5 (ja
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 filed Critical
Publication of JPWO2023032472A1 publication Critical patent/JPWO2023032472A1/ja
Publication of JPWO2023032472A5 publication Critical patent/JPWO2023032472A5/ja
Pending legal-status Critical Current

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
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable 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
    • H03H17/0294—Variable filters; Programmable filters
    • H03H2017/0295—Changing between two filter characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Analogue/Digital Conversion (AREA)
JP2023545133A 2021-09-06 2022-07-11 Pending JPWO2023032472A1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021145058 2021-09-06
JP2021160653 2021-09-30
PCT/JP2022/027332 WO2023032472A1 (ja) 2021-09-06 2022-07-11 信号処理システム、信号処理方法、および信号処理プログラム

Publications (2)

Publication Number Publication Date
JPWO2023032472A1 true JPWO2023032472A1 (ja) 2023-03-09
JPWO2023032472A5 JPWO2023032472A5 (ja) 2024-05-28

Family

ID=85412124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023545133A Pending JPWO2023032472A1 (ja) 2021-09-06 2022-07-11

Country Status (3)

Country Link
US (1) US20240171155A1 (ja)
JP (1) JPWO2023032472A1 (ja)
WO (1) WO2023032472A1 (ja)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3397282B2 (ja) * 1995-08-14 2003-04-14 日本電信電話株式会社 周波数帯域分割型反響消去装置
US6317765B1 (en) * 1998-09-16 2001-11-13 Cirrus Logic, Inc. Sinc filter with selective decimation ratios
JP4141593B2 (ja) * 1999-07-13 2008-08-27 アルパイン株式会社 ノイズ／オーディオ音リダクション装置
US9742430B1 (en) * 2016-08-19 2017-08-22 Infineon Technologies Ag System and method for analog to digital conversion

Also Published As

Publication number Publication date
US20240171155A1 (en) 2024-05-23
WO2023032472A1 (ja) 2023-03-09

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Legal Events

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Effective date: 20240306

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Effective date: 20240402