DE69628061D1 - Mehrkanalübertragungsanordnung - Google Patents
MehrkanalübertragungsanordnungInfo
- Publication number
- DE69628061D1 DE69628061D1 DE69628061T DE69628061T DE69628061D1 DE 69628061 D1 DE69628061 D1 DE 69628061D1 DE 69628061 T DE69628061 T DE 69628061T DE 69628061 T DE69628061 T DE 69628061T DE 69628061 D1 DE69628061 D1 DE 69628061D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission system
- channel transmission
- channel
- transmission
- 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.)
- Expired - Lifetime
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
- G10K11/17813—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
- G10K11/17817—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 between the output signals and the error signals, i.e. secondary path
-
- 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
- G10K11/17879—General system configurations using both a reference signal and an error signal
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
-
- 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
- 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
- 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
- G10K2210/10—Applications
- G10K2210/128—Vehicles
-
- 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
- G10K2210/3012—Algorithms
-
- 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
- G10K2210/3019—Cross-terms between multiple in's and out's
-
- 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
-
- 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
- G10K2210/3042—Parallel processing
-
- 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
- G10K2210/505—Echo cancellation, e.g. multipath-, ghost- or reverberation-cancellation
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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/368,920 US5602928A (en) | 1995-01-05 | 1995-01-05 | Multi-channel communication system |
US368920 | 1995-01-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69628061D1 true DE69628061D1 (de) | 2003-06-18 |
DE69628061T2 DE69628061T2 (de) | 2004-04-01 |
Family
ID=23453303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69628061T Expired - Lifetime DE69628061T2 (de) | 1995-01-05 | 1996-01-04 | Mehrkanalübertragungsanordnung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5602928A (de) |
EP (1) | EP0721178B1 (de) |
CA (1) | CA2166572A1 (de) |
DE (1) | DE69628061T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5706344A (en) * | 1996-03-29 | 1998-01-06 | Digisonix, Inc. | Acoustic echo cancellation in an integrated audio and telecommunication system |
US5917920A (en) * | 1997-05-29 | 1999-06-29 | Humphries; Alan | Safety vehicle communication system |
US6535609B1 (en) | 1997-06-03 | 2003-03-18 | Lear Automotive Dearborn, Inc. | Cabin communication system |
US5987106A (en) * | 1997-06-24 | 1999-11-16 | Ati Technologies, Inc. | Automatic volume control system and method for use in a multimedia computer system |
US6430295B1 (en) | 1997-07-11 | 2002-08-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for measuring signal level and delay at multiple sensors |
US6704421B1 (en) | 1997-07-24 | 2004-03-09 | Ati Technologies, Inc. | Automatic multichannel equalization control system for a multimedia computer |
US6295364B1 (en) | 1998-03-30 | 2001-09-25 | Digisonix, Llc | Simplified communication system |
US6496581B1 (en) * | 1997-09-11 | 2002-12-17 | Digisonix, Inc. | Coupled acoustic echo cancellation system |
US6055502A (en) * | 1997-09-27 | 2000-04-25 | Ati Technologies, Inc. | Adaptive audio signal compression computer system and method |
US6674864B1 (en) | 1997-12-23 | 2004-01-06 | Ati Technologies | Adaptive speaker compensation system for a multimedia computer system |
DE19812697A1 (de) | 1998-03-23 | 1999-09-30 | Volkswagen Ag | Verfahren und Einrichtung zum Betrieb einer Mikrofonanordnung, insbesondere in einem Kraftfahrzeug |
US6195435B1 (en) | 1998-05-01 | 2001-02-27 | Ati Technologies | Method and system for channel balancing and room tuning for a multichannel audio surround sound speaker system |
US6438247B1 (en) * | 1999-01-28 | 2002-08-20 | International Business Machines Corporation | Seatbelt microphone mounting |
DE19938158C1 (de) * | 1999-08-16 | 2001-01-11 | Daimler Chrysler Ag | Verfahren und Vorrichtung sowie ihre Verwendung zur Kompensation von Verlusten eines akustischen Signals |
DE19942868A1 (de) | 1999-09-08 | 2001-03-15 | Volkswagen Ag | Verfahren zum Betrieb einer Mehrfachmikrofonanordnung in einem Kraftfahrzeug sowie Mehrfachmikrofonanordnung selbst |
DE19958836A1 (de) * | 1999-11-29 | 2001-05-31 | Deutsche Telekom Ag | Verfahren und Anordnung zur Verbesserung der Kommunikation in einem Fahrzeug |
EP1372355B1 (de) * | 1999-12-09 | 2006-10-25 | Azoteq (Pty) Ltd. | Sprachverteilungssystem |
EP1143411A3 (de) * | 2000-04-06 | 2004-11-03 | Siemens VDO Automotive Inc. | Stabilitätslösung für aktive Lärmdämpfung |
US20010046300A1 (en) * | 2000-04-17 | 2001-11-29 | Mclean Ian R. | Offline active control of automotive noise |
EP1172258B1 (de) * | 2000-07-13 | 2004-09-29 | paragon AG | Freisprechanordnung |
US20020039422A1 (en) * | 2000-09-20 | 2002-04-04 | Daly Paul D. | Driving mode for active noise cancellation |
US20020076058A1 (en) * | 2000-12-19 | 2002-06-20 | Astorino John Frank | Engine rotation reference signal for noise attenuation |
US6594368B2 (en) | 2001-02-21 | 2003-07-15 | Digisonix, Llc | DVE system with dynamic range processing |
US6549629B2 (en) | 2001-02-21 | 2003-04-15 | Digisonix Llc | DVE system with normalized selection |
US6717537B1 (en) | 2001-06-26 | 2004-04-06 | Sonic Innovations, Inc. | Method and apparatus for minimizing latency in digital signal processing systems |
US20030112981A1 (en) * | 2001-12-17 | 2003-06-19 | Siemens Vdo Automotive, Inc. | Active noise control with on-line-filtered C modeling |
DE102004039066B4 (de) * | 2003-09-16 | 2015-03-12 | Volkswagen Ag | Audiosystem für ein Kraftfahrzeug |
EP1860911A1 (de) * | 2006-05-24 | 2007-11-28 | Harman/Becker Automotive Systems GmbH | System und Verfahren zur Verbesserung der Kommunikation in einem Raum |
JP4958154B2 (ja) * | 2006-11-29 | 2012-06-20 | 本田技研工業株式会社 | 自動二輪車 |
US9560448B2 (en) * | 2007-05-04 | 2017-01-31 | Bose Corporation | System and method for directionally radiating sound |
US9247346B2 (en) | 2007-12-07 | 2016-01-26 | Northern Illinois Research Foundation | Apparatus, system and method for noise cancellation and communication for incubators and related devices |
US8135140B2 (en) * | 2008-11-20 | 2012-03-13 | Harman International Industries, Incorporated | System for active noise control with audio signal compensation |
US9020158B2 (en) * | 2008-11-20 | 2015-04-28 | Harman International Industries, Incorporated | Quiet zone control system |
US8718289B2 (en) * | 2009-01-12 | 2014-05-06 | Harman International Industries, Incorporated | System for active noise control with parallel adaptive filter configuration |
EP2211564B1 (de) * | 2009-01-23 | 2014-09-10 | Harman Becker Automotive Systems GmbH | Insassenkommunikationssystem |
US8189799B2 (en) * | 2009-04-09 | 2012-05-29 | Harman International Industries, Incorporated | System for active noise control based on audio system output |
US8199924B2 (en) * | 2009-04-17 | 2012-06-12 | Harman International Industries, Incorporated | System for active noise control with an infinite impulse response filter |
US8077873B2 (en) * | 2009-05-14 | 2011-12-13 | Harman International Industries, Incorporated | System for active noise control with adaptive speaker selection |
US9131915B2 (en) | 2011-07-06 | 2015-09-15 | University Of New Brunswick | Method and apparatus for noise cancellation |
EP3144928B1 (de) * | 2015-09-15 | 2021-03-24 | Harman Becker Automotive Systems GmbH | Aktives strassenlärmdämpfungssystem |
US10283106B1 (en) * | 2018-03-28 | 2019-05-07 | Cirrus Logic, Inc. | Noise suppression |
WO2020052759A1 (en) * | 2018-09-13 | 2020-03-19 | Harman Becker Automotive Systems Gmbh | Silent zone generation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4677676A (en) * | 1986-02-11 | 1987-06-30 | Nelson Industries, Inc. | Active attenuation system with on-line modeling of speaker, error path and feedback pack |
US5033082A (en) * | 1989-07-31 | 1991-07-16 | Nelson Industries, Inc. | Communication system with active noise cancellation |
JP2748626B2 (ja) * | 1989-12-29 | 1998-05-13 | 日産自動車株式会社 | 能動型騒音制御装置 |
US5216721A (en) * | 1991-04-25 | 1993-06-01 | Nelson Industries, Inc. | Multi-channel active acoustic attenuation system |
US5216722A (en) * | 1991-11-15 | 1993-06-01 | Nelson Industries, Inc. | Multi-channel active attenuation system with error signal inputs |
JP2921232B2 (ja) * | 1991-12-27 | 1999-07-19 | 日産自動車株式会社 | 能動型不快波制御装置 |
EP0560364B1 (de) * | 1992-03-12 | 1998-10-28 | Honda Giken Kogyo Kabushiki Kaisha | Schwingungs- und Geräuschregelungssystem für Kraftfahrzeuge |
JPH084243B2 (ja) * | 1993-05-31 | 1996-01-17 | 日本電気株式会社 | 多チャンネルエコー除去方法および装置 |
US5327496A (en) * | 1993-06-30 | 1994-07-05 | Iowa State University Research Foundation, Inc. | Communication device, apparatus, and method utilizing pseudonoise signal for acoustical echo cancellation |
-
1995
- 1995-01-05 US US08/368,920 patent/US5602928A/en not_active Expired - Lifetime
-
1996
- 1996-01-04 EP EP96300078A patent/EP0721178B1/de not_active Expired - Lifetime
- 1996-01-04 CA CA002166572A patent/CA2166572A1/en not_active Abandoned
- 1996-01-04 DE DE69628061T patent/DE69628061T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69628061T2 (de) | 2004-04-01 |
US5602928A (en) | 1997-02-11 |
EP0721178B1 (de) | 2003-05-14 |
EP0721178A3 (de) | 1998-12-09 |
CA2166572A1 (en) | 1996-07-06 |
EP0721178A2 (de) | 1996-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |