EP2375408A3 - Verfahren zur Anpassung der Rauschreduktion und System zur Audiobereitstellung mit Rauschreduktion - Google Patents

Verfahren zur Anpassung der Rauschreduktion und System zur Audiobereitstellung mit Rauschreduktion Download PDF

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Publication number
EP2375408A3
EP2375408A3 EP20100166978 EP10166978A EP2375408A3 EP 2375408 A3 EP2375408 A3 EP 2375408A3 EP 20100166978 EP20100166978 EP 20100166978 EP 10166978 A EP10166978 A EP 10166978A EP 2375408 A3 EP2375408 A3 EP 2375408A3
Authority
EP
European Patent Office
Prior art keywords
reduction
noise
audio signal
adapting
noice
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.)
Granted
Application number
EP20100166978
Other languages
English (en)
French (fr)
Other versions
EP2375408A2 (de
EP2375408B1 (de
Inventor
Jan Abildgaard Pedersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman Becker Gepkocsirendszer Gyarto Kft
Original Assignee
Bang and Olufsen AS
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 Bang and Olufsen AS filed Critical Bang and Olufsen AS
Publication of EP2375408A2 publication Critical patent/EP2375408A2/de
Publication of EP2375408A3 publication Critical patent/EP2375408A3/de
Application granted granted Critical
Publication of EP2375408B1 publication Critical patent/EP2375408B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10K11/17885—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
    • 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
    • G10K11/17827—Desired external signals, 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
    • 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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
    • 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
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • 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
    • G10K2210/3045—Multiple acoustic inputs, single acoustic output
    • 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
    • G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
    • 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

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)
  • Circuit For Audible Band Transducer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Control Of Amplification And Gain Control (AREA)
EP10166978.6A 2010-04-12 2010-06-23 Verfahren zur Anpassung der Rauschreduktion und System zur Audiobereitstellung mit Rauschreduktion Active EP2375408B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201000301 2010-04-12

Publications (3)

Publication Number Publication Date
EP2375408A2 EP2375408A2 (de) 2011-10-12
EP2375408A3 true EP2375408A3 (de) 2015-04-08
EP2375408B1 EP2375408B1 (de) 2021-03-10

Family

ID=44341596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10166978.6A Active EP2375408B1 (de) 2010-04-12 2010-06-23 Verfahren zur Anpassung der Rauschreduktion und System zur Audiobereitstellung mit Rauschreduktion

Country Status (1)

Country Link
EP (1) EP2375408B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5822862B2 (ja) * 2013-03-21 2015-11-25 本田技研工業株式会社 車両用能動型振動騒音制御装置
US9672803B2 (en) 2014-09-19 2017-06-06 GM Global Technology Operations LLC Adaptive active noise cancellation
US10741165B2 (en) 2018-08-31 2020-08-11 Bose Corporation Systems and methods for noise-cancellation with shaping and weighting filters
US10410620B1 (en) 2018-08-31 2019-09-10 Bose Corporation Systems and methods for reducing acoustic artifacts in an adaptive feedforward control system
US10706834B2 (en) 2018-08-31 2020-07-07 Bose Corporation Systems and methods for disabling adaptation in an adaptive feedforward control system
US10629183B2 (en) 2018-08-31 2020-04-21 Bose Corporation Systems and methods for noise-cancellation using microphone projection
CN115867963A (zh) 2020-05-21 2023-03-28 伯斯有限公司 响应于娱乐音频的道路噪声消除系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06282283A (ja) * 1993-03-26 1994-10-07 Mazda Motor Corp 車両用振動制御装置
US5469510A (en) * 1993-06-28 1995-11-21 Ford Motor Company Arbitration adjustment for acoustic reproduction systems
JP2008137636A (ja) * 2006-11-07 2008-06-19 Honda Motor Co Ltd 能動型騒音制御装置
US20090034748A1 (en) * 2006-04-01 2009-02-05 Alastair Sibbald Ambient noise-reduction control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06282283A (ja) * 1993-03-26 1994-10-07 Mazda Motor Corp 車両用振動制御装置
US5469510A (en) * 1993-06-28 1995-11-21 Ford Motor Company Arbitration adjustment for acoustic reproduction systems
US20090034748A1 (en) * 2006-04-01 2009-02-05 Alastair Sibbald Ambient noise-reduction control system
JP2008137636A (ja) * 2006-11-07 2008-06-19 Honda Motor Co Ltd 能動型騒音制御装置

Also Published As

Publication number Publication date
EP2375408A2 (de) 2011-10-12
EP2375408B1 (de) 2021-03-10

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