GB2455826B - Gain calibration based on device properties - Google Patents
Gain calibration based on device propertiesInfo
- Publication number
- GB2455826B GB2455826B GB0810999A GB0810999A GB2455826B GB 2455826 B GB2455826 B GB 2455826B GB 0810999 A GB0810999 A GB 0810999A GB 0810999 A GB0810999 A GB 0810999A GB 2455826 B GB2455826 B GB 2455826B
- Authority
- GB
- United Kingdom
- Prior art keywords
- gain calibration
- device properties
- calibration based
- properties
- gain
- Prior art date
- 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.)
- Active
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
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
-
- 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
-
- 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
- G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
-
- 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
- G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure 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
- 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
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
-
- 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
- G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
-
- 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
- G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital 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
- 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
- G10K2210/3056—Variable gain
-
- 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
- G10K2210/50—Miscellaneous
- G10K2210/504—Calibration
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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2008/051184 WO2009081189A1 (en) | 2007-12-21 | 2008-12-12 | Calibration of a noise cancellation system by gain adjustment based on device properties |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0725114.3A GB0725114D0 (en) | 2007-12-21 | 2007-12-21 | Gain calibration based on evice properties |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0810999D0 GB0810999D0 (en) | 2008-07-23 |
GB2455826A GB2455826A (en) | 2009-06-24 |
GB2455826B true GB2455826B (en) | 2010-06-09 |
Family
ID=39048663
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0725114.3A Ceased GB0725114D0 (en) | 2007-12-21 | 2007-12-21 | Gain calibration based on evice properties |
GB0810999A Active GB2455826B (en) | 2007-12-21 | 2008-06-16 | Gain calibration based on device properties |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0725114.3A Ceased GB0725114D0 (en) | 2007-12-21 | 2007-12-21 | Gain calibration based on evice properties |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB0725114D0 (en) |
WO (1) | WO2009081189A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE548725T1 (en) * | 2008-10-31 | 2012-03-15 | Austriamicrosystems Ag | ACTIVE NOISE CONTROL ARRANGEMENT, ACTIVE NOISE CONTROL HEADPHONES AND CALIBRATION METHOD |
US20110183629A1 (en) | 2010-01-26 | 2011-07-28 | Broadcom Corporation | Mobile Communication Devices Having Adaptable Features and Methods for Implementation |
US9728179B2 (en) | 2015-10-16 | 2017-08-08 | Avnera Corporation | Calibration and stabilization of an active noise cancelation system |
CN106782487B (en) * | 2016-12-20 | 2020-09-22 | 歌尔科技有限公司 | Noise reduction amount simulation method and system of feedback type active noise reduction earphone |
CN113079431B (en) * | 2020-12-04 | 2023-02-17 | 珠海市杰理科技股份有限公司 | Active noise reduction training device, system and method |
CN113453137B (en) * | 2021-06-29 | 2023-03-14 | 四川长虹电器股份有限公司 | Method and device for detecting single-microphone abnormity in microphone array |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0764572A (en) * | 1993-08-27 | 1995-03-10 | Alpine Electron Inc | Filtered reference signal generation system |
US5638304A (en) * | 1993-02-18 | 1997-06-10 | Matra Cap Systemes | Method and apparatus for active damping of vibration |
WO2000006065A1 (en) * | 1998-07-27 | 2000-02-10 | Saunders William R | First draft-active noise reduction audiometry headphones |
EP1947642A1 (en) * | 2007-01-16 | 2008-07-23 | Harman/Becker Automotive Systems GmbH | Active noise control system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9302013A (en) * | 1993-11-19 | 1995-06-16 | Tno | System for rapid convergence of an adaptive filter when generating a time-variant signal to cancel a primary signal. |
US5832095A (en) * | 1996-10-18 | 1998-11-03 | Carrier Corporation | Noise canceling system |
US7450725B2 (en) * | 2001-12-17 | 2008-11-11 | Mahle International Gmbh | Digital filter modeling for active noise cancellation |
KR20080003914A (en) * | 2005-04-22 | 2008-01-08 | 아녹시스 악티엔게젤샤프트 | Method for reproducing a secondary path in an active noise reduction system |
-
2007
- 2007-12-21 GB GBGB0725114.3A patent/GB0725114D0/en not_active Ceased
-
2008
- 2008-06-16 GB GB0810999A patent/GB2455826B/en active Active
- 2008-12-12 WO PCT/GB2008/051184 patent/WO2009081189A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5638304A (en) * | 1993-02-18 | 1997-06-10 | Matra Cap Systemes | Method and apparatus for active damping of vibration |
JPH0764572A (en) * | 1993-08-27 | 1995-03-10 | Alpine Electron Inc | Filtered reference signal generation system |
WO2000006065A1 (en) * | 1998-07-27 | 2000-02-10 | Saunders William R | First draft-active noise reduction audiometry headphones |
EP1947642A1 (en) * | 2007-01-16 | 2008-07-23 | Harman/Becker Automotive Systems GmbH | Active noise control system |
Also Published As
Publication number | Publication date |
---|---|
GB0725114D0 (en) | 2008-01-30 |
WO2009081189A1 (en) | 2009-07-02 |
GB0810999D0 (en) | 2008-07-23 |
GB2455826A (en) | 2009-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20150820 AND 20150826 |