MY134004A - Methods and systems for noise reduction for spatially displaced signal sources - Google Patents

Methods and systems for noise reduction for spatially displaced signal sources

Info

Publication number
MY134004A
MY134004A MYPI20010728A MYPI20010728A MY134004A MY 134004 A MY134004 A MY 134004A MY PI20010728 A MYPI20010728 A MY PI20010728A MY PI20010728 A MYPI20010728 A MY PI20010728A MY 134004 A MY134004 A MY 134004A
Authority
MY
Malaysia
Prior art keywords
signal sources
vehicle
noise reduction
systems
methods
Prior art date
Application number
MYPI20010728A
Other languages
English (en)
Inventor
S Khayrallah Ali
Krasny Leonid
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of MY134004A publication Critical patent/MY134004A/en

Links

Classifications

    • 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • 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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17837—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by retaining part of the ambient acoustic environment, e.g. speech or alarm signals that the user needs to hear
    • 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • 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
    • G10K11/1787—General system configurations
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
MYPI20010728A 2000-02-29 2001-02-19 Methods and systems for noise reduction for spatially displaced signal sources MY134004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51590700A 2000-02-29 2000-02-29

Publications (1)

Publication Number Publication Date
MY134004A true MY134004A (en) 2007-11-30

Family

ID=24053266

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20010728A MY134004A (en) 2000-02-29 2001-02-19 Methods and systems for noise reduction for spatially displaced signal sources

Country Status (7)

Country Link
EP (1) EP1261961B1 (fr)
CN (1) CN1406372A (fr)
AT (1) ATE263410T1 (fr)
AU (1) AU2001232851A1 (fr)
DE (1) DE60102571T2 (fr)
MY (1) MY134004A (fr)
WO (1) WO2001065540A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003030145A1 (fr) * 2001-10-03 2003-04-10 Koninklijke Philips Electronics N.V. Procede de reproduction de signaux sonores et systeme de reproduction sonore
US7106868B2 (en) * 2002-05-15 2006-09-12 Siemens Vdo Automotive Inc. Active noise control for vehicle door noise
JP3919701B2 (ja) * 2003-06-17 2007-05-30 本田技研工業株式会社 能動型振動騒音制御装置
CN1851804B (zh) * 2006-05-22 2010-07-07 南京大学 有源软边界声屏障
US9245519B2 (en) 2013-02-15 2016-01-26 Bose Corporation Forward speaker noise cancellation in a vehicle
US10735887B1 (en) 2019-09-19 2020-08-04 Wave Sciences, LLC Spatial audio array processing system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3689035T2 (de) * 1985-07-01 1994-01-20 Motorola Inc Rauschminderungssystem.
GB8903201D0 (en) * 1989-02-13 1989-03-30 Lotus Group Plc Noise suppression in vehicles
US5033082A (en) * 1989-07-31 1991-07-16 Nelson Industries, Inc. Communication system with active noise cancellation
US5699437A (en) * 1995-08-29 1997-12-16 United Technologies Corporation Active noise control system using phased-array sensors

Also Published As

Publication number Publication date
WO2001065540A1 (fr) 2001-09-07
ATE263410T1 (de) 2004-04-15
CN1406372A (zh) 2003-03-26
EP1261961A1 (fr) 2002-12-04
AU2001232851A1 (en) 2001-09-12
EP1261961B1 (fr) 2004-03-31
DE60102571T2 (de) 2004-09-30
DE60102571D1 (de) 2004-05-06

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