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FI964636L - Menetelmä ja laitteisto äänen vaimentamiseksi - Google Patents

Menetelmä ja laitteisto äänen vaimentamiseksi Download PDF

Info

Publication number
FI964636L
FI964636L FI964636A FI964636A FI964636L FI 964636 L FI964636 L FI 964636L FI 964636 A FI964636 A FI 964636A FI 964636 A FI964636 A FI 964636A FI 964636 L FI964636 L FI 964636L
Authority
FI
Finland
Prior art keywords
sound attenuation
attenuation
sound
Prior art date
Application number
FI964636A
Other languages
English (en)
Swedish (sv)
Other versions
FI105602B (fi
FI964636A0 (fi
Inventor
Kari Kirjavainen
Jukka Lekkala
Hannu Nykaenen
Seppo Uosukainen
Original Assignee
Vtt
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 Vtt filed Critical Vtt
Priority to FI964636A priority Critical patent/FI105602B/fi
Publication of FI964636A0 publication Critical patent/FI964636A0/fi
Priority to AT97913207T priority patent/ATE214191T1/de
Priority to EP97913207A priority patent/EP1002311B1/en
Priority to DE69710928T priority patent/DE69710928T2/de
Priority to PCT/FI1997/000707 priority patent/WO1998022933A1/en
Priority to AU50544/98A priority patent/AU5054498A/en
Publication of FI964636L publication Critical patent/FI964636L/fi
Application granted granted Critical
Publication of FI105602B publication Critical patent/FI105602B/fi

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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • 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
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3026—Feedback
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3027—Feedforward

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Devices For Supply Of Signal Current (AREA)
FI964636A 1996-11-20 1996-11-20 Menetelmä ja laitteisto äänen vaimentamiseksi FI105602B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI964636A FI105602B (fi) 1996-11-20 1996-11-20 Menetelmä ja laitteisto äänen vaimentamiseksi
AT97913207T ATE214191T1 (de) 1996-11-20 1997-11-19 Verfahren und anlage zur schalldämpfung
EP97913207A EP1002311B1 (en) 1996-11-20 1997-11-19 Method and apparatus for attenuating sound
DE69710928T DE69710928T2 (de) 1996-11-20 1997-11-19 Verfahren und anlage zur schalldämpfung
PCT/FI1997/000707 WO1998022933A1 (en) 1996-11-20 1997-11-19 Method and apparatus for attenuating sound
AU50544/98A AU5054498A (en) 1996-11-20 1997-11-19 Method and apparatus for attenuating sound

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI964636A FI105602B (fi) 1996-11-20 1996-11-20 Menetelmä ja laitteisto äänen vaimentamiseksi
FI964636 1996-11-20

Publications (3)

Publication Number Publication Date
FI964636A0 FI964636A0 (fi) 1996-11-20
FI964636L true FI964636L (fi) 1998-05-21
FI105602B FI105602B (fi) 2000-09-15

Family

ID=8547098

Family Applications (1)

Application Number Title Priority Date Filing Date
FI964636A FI105602B (fi) 1996-11-20 1996-11-20 Menetelmä ja laitteisto äänen vaimentamiseksi

Country Status (6)

Country Link
EP (1) EP1002311B1 (fi)
AT (1) ATE214191T1 (fi)
AU (1) AU5054498A (fi)
DE (1) DE69710928T2 (fi)
FI (1) FI105602B (fi)
WO (1) WO1998022933A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2542860B (en) * 2015-10-04 2021-10-20 Labxero Ltd Acoustic processing device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473906A (en) * 1980-12-05 1984-09-25 Lord Corporation Active acoustic attenuator
GB8328997D0 (en) * 1983-10-31 1983-11-30 Secr Defence Active noise reduction
JPH05223334A (ja) * 1992-02-14 1993-08-31 Matsushita Seiko Co Ltd 能動消音装置

Also Published As

Publication number Publication date
EP1002311B1 (en) 2002-03-06
ATE214191T1 (de) 2002-03-15
DE69710928T2 (de) 2002-09-19
FI105602B (fi) 2000-09-15
WO1998022933A1 (en) 1998-05-28
AU5054498A (en) 1998-06-10
FI964636A0 (fi) 1996-11-20
DE69710928D1 (de) 2002-04-11
EP1002311A1 (en) 2000-05-24

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Legal Events

Date Code Title Description
MA Patent expired