WO1998024088A1 - Method and apparatus for processing sound - Google Patents
Method and apparatus for processing sound Download PDFInfo
- Publication number
- WO1998024088A1 WO1998024088A1 PCT/FI1997/000734 FI9700734W WO9824088A1 WO 1998024088 A1 WO1998024088 A1 WO 1998024088A1 FI 9700734 W FI9700734 W FI 9700734W WO 9824088 A1 WO9824088 A1 WO 9824088A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- actuator
- sound
- signal
- sensor
- desired value
- Prior art date
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
- G10K11/17825—Error signals
-
- 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
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- 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
- G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
- A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction
-
- 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
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
-
- 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
- G10K2210/321—Physical
- G10K2210/3217—Collocated sensor and cancelling actuator, e.g. "virtual earth" designs
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97913229T ATE291267T1 (en) | 1996-11-27 | 1997-11-27 | METHOD AND DEVICE FOR SOUND PROCESSING |
JP52433398A JP4256935B2 (en) | 1996-11-27 | 1997-11-27 | Sound processing method and apparatus |
CA002272893A CA2272893A1 (en) | 1996-11-27 | 1997-11-27 | Method and apparatus for processing sound |
EP97913229A EP1010166B1 (en) | 1996-11-27 | 1997-11-27 | Method and apparatus for processing sound |
AU50562/98A AU5056298A (en) | 1996-11-27 | 1997-11-27 | Method and apparatus for processing sound |
DE69732801T DE69732801T2 (en) | 1996-11-27 | 1997-11-27 | METHOD AND DEVICE FOR SOUND WORKING |
US09/308,442 US6711267B1 (en) | 1996-11-27 | 1997-11-27 | Method and apparatus for processing sound |
NO992507A NO992507L (en) | 1996-11-27 | 1999-05-25 | Method and apparatus for sound processing |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI964717A FI964717A0 (en) | 1996-11-27 | 1996-11-27 | Acoustic element |
FI964717 | 1996-11-27 | ||
FI970475A FI970475A0 (en) | 1996-11-27 | 1997-02-04 | Foerfarande och anordning Foer behandling av ljud |
FI970475 | 1997-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998024088A1 true WO1998024088A1 (en) | 1998-06-04 |
Family
ID=26160260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI1997/000734 WO1998024088A1 (en) | 1996-11-27 | 1997-11-27 | Method and apparatus for processing sound |
Country Status (10)
Country | Link |
---|---|
US (1) | US6711267B1 (en) |
EP (1) | EP1010166B1 (en) |
JP (1) | JP4256935B2 (en) |
AT (1) | ATE291267T1 (en) |
AU (1) | AU5056298A (en) |
CA (1) | CA2272893A1 (en) |
DE (1) | DE69732801T2 (en) |
FI (1) | FI970475A0 (en) |
NO (1) | NO992507L (en) |
WO (1) | WO1998024088A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4688426B2 (en) * | 2004-03-09 | 2011-05-25 | 富士通株式会社 | Wireless communication system |
FI119794B (en) * | 2005-04-28 | 2009-03-13 | Panphonics Oy | Electrostatic converter, method of its connection and method of manufacture |
JP4506873B2 (en) * | 2008-05-08 | 2010-07-21 | ソニー株式会社 | Signal processing apparatus and signal processing method |
US9170616B2 (en) * | 2009-12-31 | 2015-10-27 | Intel Corporation | Quiet system cooling using coupled optimization between integrated micro porous absorbers and rotors |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2160070A (en) * | 1984-05-12 | 1985-12-11 | Plessey Co Plc | Sound reproduction system |
US5402496A (en) * | 1992-07-13 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1530814A (en) | 1977-06-20 | 1978-11-01 | British Aircraft Corp Ltd | Hearing protection devices |
GB8704314D0 (en) | 1987-02-24 | 1987-04-01 | Scient Generics Ltd | Noise attenuation |
-
1997
- 1997-02-04 FI FI970475A patent/FI970475A0/en not_active Application Discontinuation
- 1997-11-27 CA CA002272893A patent/CA2272893A1/en not_active Abandoned
- 1997-11-27 AT AT97913229T patent/ATE291267T1/en not_active IP Right Cessation
- 1997-11-27 WO PCT/FI1997/000734 patent/WO1998024088A1/en active IP Right Grant
- 1997-11-27 DE DE69732801T patent/DE69732801T2/en not_active Expired - Lifetime
- 1997-11-27 EP EP97913229A patent/EP1010166B1/en not_active Expired - Lifetime
- 1997-11-27 AU AU50562/98A patent/AU5056298A/en not_active Abandoned
- 1997-11-27 JP JP52433398A patent/JP4256935B2/en not_active Expired - Lifetime
- 1997-11-27 US US09/308,442 patent/US6711267B1/en not_active Expired - Lifetime
-
1999
- 1999-05-25 NO NO992507A patent/NO992507L/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2160070A (en) * | 1984-05-12 | 1985-12-11 | Plessey Co Plc | Sound reproduction system |
US5402496A (en) * | 1992-07-13 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
Also Published As
Publication number | Publication date |
---|---|
EP1010166A1 (en) | 2000-06-21 |
EP1010166B1 (en) | 2005-03-16 |
DE69732801D1 (en) | 2005-04-21 |
NO992507D0 (en) | 1999-05-25 |
NO992507L (en) | 1999-07-02 |
ATE291267T1 (en) | 2005-04-15 |
JP4256935B2 (en) | 2009-04-22 |
DE69732801T2 (en) | 2006-04-06 |
US6711267B1 (en) | 2004-03-23 |
JP2001513904A (en) | 2001-09-04 |
FI970475A0 (en) | 1997-02-04 |
AU5056298A (en) | 1998-06-22 |
CA2272893A1 (en) | 1998-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4312821B2 (en) | Acoustic member and acoustic processing method | |
DE69632415T2 (en) | Piezo speaker for improved passenger cabin audio systems | |
CN107872761B (en) | Pressure gradient microphone for measuring acoustic characteristics of a loudspeaker | |
US4160135A (en) | Closed earphone construction | |
US5134659A (en) | Method and apparatus for performing noise cancelling and headphoning | |
US3821473A (en) | Sound reproduction system with driven and undriven speakers and motional feedback | |
US3922488A (en) | Feedback-cancelling electro-acoustic transducer apparatus | |
CN106060715A (en) | Noise reducing sound reproduction | |
EP0898774B1 (en) | Reactive sound absorber | |
CN102905209A (en) | Noise reducing sound reproduction | |
US10771904B2 (en) | Directional MEMS microphone with correction circuitry | |
JP2008278476A (en) | S/n ratio improvement method for condenser microphone, condenser microphone, and condenser microphone mounted device | |
US4052560A (en) | Loudspeaker distortion reduction systems | |
EP1010166B1 (en) | Method and apparatus for processing sound | |
WO2001001732A1 (en) | Hearing aid with controllable directional characteristics | |
US20040057584A1 (en) | Noise control apparatus | |
CN1886782A (en) | Hearing aid with active noise canceling | |
WO2016083970A1 (en) | Versatile electroacoustic diffuser-absorber | |
US2841648A (en) | Sound producing device | |
EP3225038A1 (en) | Low frequency active acoustic absorber by acoustic velocity control through porous resistive layers | |
CA1120580A (en) | Single loudspeaker having a moving coil transducer for feedback purposes | |
DE2626652A1 (en) | Loudspeaker cone for motional feedback systems - has thin flexible electrodes built into cone membrane | |
FI114606B (en) | Microphone structure insensitive to body vibrations | |
Swanson et al. | Anti-Resonant Compensation of Tweeter Frequency Response Peaks |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG ZW AT BE CH DE DK ES FI FR GB GR IE IT LU MC |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 09308442 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2272893 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 1998 524333 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1997913229 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1997913229 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1997913229 Country of ref document: EP |