ATE473603T1 - Akustische lokalisierung eines sprechers - Google Patents

Akustische lokalisierung eines sprechers

Info

Publication number
ATE473603T1
ATE473603T1 AT07007817T AT07007817T ATE473603T1 AT E473603 T1 ATE473603 T1 AT E473603T1 AT 07007817 T AT07007817 T AT 07007817T AT 07007817 T AT07007817 T AT 07007817T AT E473603 T1 ATE473603 T1 AT E473603T1
Authority
AT
Austria
Prior art keywords
speaker
microphone array
loudspeaker
microphone
sound
Prior art date
Application number
AT07007817T
Other languages
English (en)
Inventor
Markus Buck
Tim Haulick
Gerhard Schmidt
Tobias Wolff
Original Assignee
Harman Becker Automotive Sys
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 Harman Becker Automotive Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE473603T1 publication Critical patent/ATE473603T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/003—Bistatic sonar systems; Multistatic sonar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87—Combinations of sonar systems
    • G01S15/876—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/30—Determining absolute distances from a plurality of spaced points of known location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/043—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0273—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves using multipath or indirect path propagation signals in position determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • 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
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6075—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
AT07007817T 2007-04-17 2007-04-17 Akustische lokalisierung eines sprechers ATE473603T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07007817A EP1983799B1 (de) 2007-04-17 2007-04-17 Akustische Lokalisierung eines Sprechers

Publications (1)

Publication Number Publication Date
ATE473603T1 true ATE473603T1 (de) 2010-07-15

Family

ID=38704864

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07007817T ATE473603T1 (de) 2007-04-17 2007-04-17 Akustische lokalisierung eines sprechers

Country Status (4)

Country Link
US (2) US8204248B2 (de)
EP (1) EP1983799B1 (de)
AT (1) ATE473603T1 (de)
DE (1) DE602007007581D1 (de)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE400474T1 (de) * 2005-02-23 2008-07-15 Harman Becker Automotive Sys Spracherkennungssytem in einem kraftfahrzeug
EP1983799B1 (de) 2007-04-17 2010-07-07 Harman Becker Automotive Systems GmbH Akustische Lokalisierung eines Sprechers
US20090304205A1 (en) * 2008-06-10 2009-12-10 Sony Corporation Of Japan Techniques for personalizing audio levels
US8041054B2 (en) 2008-10-31 2011-10-18 Continental Automotive Systems, Inc. Systems and methods for selectively switching between multiple microphones
TWI465122B (zh) 2009-01-30 2014-12-11 Dolby Lab Licensing Corp 自帶狀脈衝響應資料測定反向濾波器之方法
US8984431B2 (en) 2009-03-16 2015-03-17 Apple Inc. Device, method, and graphical user interface for moving a current position in content at a variable scrubbing rate
US20110091055A1 (en) * 2009-10-19 2011-04-21 Broadcom Corporation Loudspeaker localization techniques
CN112019976A (zh) * 2009-11-24 2020-12-01 诺基亚技术有限公司 用于处理音频信号的设备和方法
WO2011063857A1 (en) 2009-11-30 2011-06-03 Nokia Corporation An apparatus
US20110183629A1 (en) * 2010-01-26 2011-07-28 Broadcom Corporation Mobile Communication Devices Having Adaptable Features and Methods for Implementation
EP2375779A3 (de) * 2010-03-31 2012-01-18 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Vorrichtung und Verfahren zum Messen einer Vielzahl von Lautsprechern und Mikrofonanordnung
US9964625B2 (en) * 2011-06-27 2018-05-08 General Electric Company Electrical substation fault monitoring and diagnostics
US10706096B2 (en) 2011-08-18 2020-07-07 Apple Inc. Management of local and remote media items
US9002322B2 (en) 2011-09-29 2015-04-07 Apple Inc. Authentication with secondary approver
EP2786243B1 (de) * 2011-11-30 2021-05-19 Nokia Technologies Oy Vorrichtung und verfahren für audioreaktive benutzeroberflächeninformationen und anzeige
JP6225118B2 (ja) * 2012-01-17 2017-11-01 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 音源位置推定
KR102044498B1 (ko) * 2012-07-02 2019-11-13 삼성전자주식회사 영상 통화 서비스를 제공하기 위한 방법 및 그 전자 장치.
US9966075B2 (en) * 2012-09-18 2018-05-08 Qualcomm Incorporated Leveraging head mounted displays to enable person-to-person interactions
US9525938B2 (en) 2013-02-06 2016-12-20 Apple Inc. User voice location estimation for adjusting portable device beamforming settings
CN105144746B (zh) * 2013-03-07 2019-07-16 苹果公司 房间和节目响应扬声器系统
US9129515B2 (en) 2013-03-15 2015-09-08 Qualcomm Incorporated Ultrasound mesh localization for interactive systems
WO2014143776A2 (en) 2013-03-15 2014-09-18 Bodhi Technology Ventures Llc Providing remote interactions with host device using a wireless device
US9689960B1 (en) 2013-04-04 2017-06-27 Amazon Technologies, Inc. Beam rejection in multi-beam microphone systems
US9472201B1 (en) * 2013-05-22 2016-10-18 Google Inc. Speaker localization by means of tactile input
US9747899B2 (en) * 2013-06-27 2017-08-29 Amazon Technologies, Inc. Detecting self-generated wake expressions
US9426598B2 (en) 2013-07-15 2016-08-23 Dts, Inc. Spatial calibration of surround sound systems including listener position estimation
DE102013219636A1 (de) * 2013-09-27 2015-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur überlagerung eines schallsignals
GB2519569B (en) * 2013-10-25 2017-01-11 Canon Kk A method of localizing audio sources in a reverberant environment
US9830924B1 (en) * 2013-12-04 2017-11-28 Amazon Technologies, Inc. Matching output volume to a command volume
US9042563B1 (en) * 2014-04-11 2015-05-26 John Beaty System and method to localize sound and provide real-time world coordinates with communication
US9426568B2 (en) * 2014-04-15 2016-08-23 Harman International Industries, LLC Apparatus and method for enhancing an audio output from a target source
EP2941019B1 (de) * 2014-04-30 2019-09-18 Oticon A/s Hörgerät mit entfernter Objektdetektionseinheit
US10244300B2 (en) 2014-04-30 2019-03-26 Oticon A/S Instrument with remote object detection unit
KR101673579B1 (ko) * 2014-04-30 2016-11-07 광주과학기술원 이동체의 위치감지장치, 이동체의 위치감지방법, 조명장치, 공조장치, 보안장치, 및 주차장관리장치
KR102201095B1 (ko) 2014-05-30 2021-01-08 애플 인크. 하나의 디바이스의 사용으로부터 다른 디바이스의 사용으로의 전환
US9817634B2 (en) * 2014-07-21 2017-11-14 Intel Corporation Distinguishing speech from multiple users in a computer interaction
US10339293B2 (en) 2014-08-15 2019-07-02 Apple Inc. Authenticated device used to unlock another device
CN110072131A (zh) 2014-09-02 2019-07-30 苹果公司 音乐用户界面
US10009676B2 (en) 2014-11-03 2018-06-26 Storz Endoskop Produktions Gmbh Voice control system with multiple microphone arrays
US10924846B2 (en) 2014-12-12 2021-02-16 Nuance Communications, Inc. System and method for generating a self-steering beamformer
US9769587B2 (en) * 2015-04-17 2017-09-19 Qualcomm Incorporated Calibration of acoustic echo cancelation for multi-channel sound in dynamic acoustic environments
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9530426B1 (en) * 2015-06-24 2016-12-27 Microsoft Technology Licensing, Llc Filtering sounds for conferencing applications
KR20170035504A (ko) * 2015-09-23 2017-03-31 삼성전자주식회사 전자 장치 및 전자 장치의 오디오 처리 방법
US9832583B2 (en) * 2015-11-10 2017-11-28 Avaya Inc. Enhancement of audio captured by multiple microphones at unspecified positions
US9881619B2 (en) 2016-03-25 2018-01-30 Qualcomm Incorporated Audio processing for an acoustical environment
DK179186B1 (en) 2016-05-19 2018-01-15 Apple Inc REMOTE AUTHORIZATION TO CONTINUE WITH AN ACTION
US20170349145A1 (en) * 2016-06-06 2017-12-07 Transtron Inc. Speech recognition to control door or lock of vehicle with directional microphone
DK201670622A1 (en) 2016-06-12 2018-02-12 Apple Inc User interfaces for transactions
CN106443568A (zh) * 2016-09-09 2017-02-22 上海电机学院 弹载阵列无源测向方法
JP6644959B1 (ja) * 2017-01-03 2020-02-12 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ビームフォーミングを使用するオーディオキャプチャ
EP3566228B1 (de) * 2017-01-03 2020-06-10 Koninklijke Philips N.V. Audioerfassung mittels strahlformung
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US10231051B2 (en) 2017-04-17 2019-03-12 International Business Machines Corporation Integration of a smartphone and smart conference system
US11431836B2 (en) 2017-05-02 2022-08-30 Apple Inc. Methods and interfaces for initiating media playback
US10992795B2 (en) 2017-05-16 2021-04-27 Apple Inc. Methods and interfaces for home media control
US10928980B2 (en) 2017-05-12 2021-02-23 Apple Inc. User interfaces for playing and managing audio items
CN111343060B (zh) 2017-05-16 2022-02-11 苹果公司 用于家庭媒体控制的方法和界面
US20220279063A1 (en) 2017-05-16 2022-09-01 Apple Inc. Methods and interfaces for home media control
EP3952317A1 (de) * 2017-05-16 2022-02-09 Apple Inc. Verfahren und schnittstellen zur home-media-steuerung
CN109688441A (zh) * 2017-05-16 2019-04-26 苹果公司 用于家庭媒体控制的方法和界面
US9992595B1 (en) * 2017-06-01 2018-06-05 Apple Inc. Acoustic change detection
US10299039B2 (en) 2017-06-02 2019-05-21 Apple Inc. Audio adaptation to room
CN107257520A (zh) * 2017-07-18 2017-10-17 深圳创维－Rgb电子有限公司 一种视频播放设备及音箱功率调整方法
US11101022B2 (en) 2017-08-10 2021-08-24 Nuance Communications, Inc. Automated clinical documentation system and method
US11316865B2 (en) 2017-08-10 2022-04-26 Nuance Communications, Inc. Ambient cooperative intelligence system and method
US10524079B2 (en) 2017-08-31 2019-12-31 Apple Inc. Directivity adjustment for reducing early reflections and comb filtering
US10356362B1 (en) * 2018-01-16 2019-07-16 Google Llc Controlling focus of audio signals on speaker during videoconference
EP3762921A4 (de) 2018-03-05 2022-05-04 Nuance Communications, Inc. System und verfahren zur automatisierten klinischen dokumentation
US11250382B2 (en) * 2018-03-05 2022-02-15 Nuance Communications, Inc. Automated clinical documentation system and method
EP3762929A4 (de) 2018-03-05 2022-01-12 Nuance Communications, Inc. System und verfahren zur überprüfung einer automatisierten klinischen dokumentation
US10524048B2 (en) * 2018-04-13 2019-12-31 Bose Corporation Intelligent beam steering in microphone array
WO2019231632A1 (en) 2018-06-01 2019-12-05 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
CN109698984A (zh) * 2018-06-13 2019-04-30 北京小鸟听听科技有限公司 一种音频交互设备和数据处理方法、计算机存储介质
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US10516939B1 (en) * 2018-07-03 2019-12-24 Fuji Xerox Co., Ltd. Systems and methods for steering speaker array and microphone array with encoded light rays
CN110891236A (zh) * 2018-09-09 2020-03-17 广东思派康电子科技有限公司 一种多麦克风阵列产测的实现方法和装置
EP3854108A1 (de) 2018-09-20 2021-07-28 Shure Acquisition Holdings, Inc. Einstellbare nockenform für arraymikrofone
US11184725B2 (en) * 2018-10-09 2021-11-23 Samsung Electronics Co., Ltd. Method and system for autonomous boundary detection for speakers
US11795032B2 (en) 2018-11-13 2023-10-24 Otis Elevator Company Monitoring system
US10959018B1 (en) * 2019-01-18 2021-03-23 Amazon Technologies, Inc. Method for autonomous loudspeaker room adaptation
WO2020174289A2 (en) 2019-02-27 2020-09-03 Louisiana-Pacific Corporation Fire-resistant manufactured-wood based siding
CN113841419A (zh) 2019-03-21 2021-12-24 舒尔获得控股公司 天花板阵列麦克风的外壳及相关联设计特征
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
CN113841421A (zh) 2019-03-21 2021-12-24 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
WO2020237206A1 (en) 2019-05-23 2020-11-26 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
DK201970533A1 (en) 2019-05-31 2021-02-15 Apple Inc Methods and user interfaces for sharing audio
WO2020243691A1 (en) 2019-05-31 2020-12-03 Apple Inc. User interfaces for audio media control
US11010121B2 (en) 2019-05-31 2021-05-18 Apple Inc. User interfaces for audio media control
WO2020243471A1 (en) 2019-05-31 2020-12-03 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
US10904029B2 (en) 2019-05-31 2021-01-26 Apple Inc. User interfaces for managing controllable external devices
US11216480B2 (en) 2019-06-14 2022-01-04 Nuance Communications, Inc. System and method for querying data points from graph data structures
US11227679B2 (en) 2019-06-14 2022-01-18 Nuance Communications, Inc. Ambient clinical intelligence system and method
JP2022542962A (ja) * 2019-07-30 2022-10-07 ドルビー ラボラトリーズ ライセンシング コーポレイション 分散配置されたオーディオデバイスのための音響エコー除去制御
KR102181643B1 (ko) * 2019-08-19 2020-11-23 엘지전자 주식회사 마이크의 배치 적합도를 결정하는 방법 및 이를 위한 장치
JP2022545113A (ja) 2019-08-23 2022-10-25 シュアー アクイジッション ホールディングス インコーポレイテッド 指向性が改善された一次元アレイマイクロホン
CN113223544B (zh) * 2020-01-21 2024-04-02 珠海市煊扬科技有限公司 音频的方向定位侦测装置及方法以及音频处理系统
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
TWI741549B (zh) * 2020-03-31 2021-10-01 和碩聯合科技股份有限公司 揚聲裝置及調整揚聲裝置的播音方向的方法
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
US11079913B1 (en) 2020-05-11 2021-08-03 Apple Inc. User interface for status indicators
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
DE102020207041A1 (de) 2020-06-05 2021-12-09 Robert Bosch Gesellschaft mit beschränkter Haftung Kommunikationsverfahren
US11830471B1 (en) * 2020-08-31 2023-11-28 Amazon Technologies, Inc. Surface augmented ray-based acoustic modeling
US11392291B2 (en) 2020-09-25 2022-07-19 Apple Inc. Methods and interfaces for media control with dynamic feedback
US11222103B1 (en) 2020-10-29 2022-01-11 Nuance Communications, Inc. Ambient cooperative intelligence system and method
US11778370B2 (en) * 2020-12-07 2023-10-03 Gulfstream Aerospace Corporation Microphone array onboard aircraft to determine crew/passenger location and to steer a transducer beam pattern to that location
JP2024505068A (ja) 2021-01-28 2024-02-02 シュアー アクイジッション ホールディングス インコーポレイテッド ハイブリッドオーディオビーム形成システム
CN112911465B (zh) * 2021-02-01 2022-09-02 杭州海康威视数字技术股份有限公司 信号发送方法、装置及电子设备
US11847378B2 (en) 2021-06-06 2023-12-19 Apple Inc. User interfaces for audio routing
EP4333459A1 (de) * 2022-08-31 2024-03-06 GN Audio A/S Lautsprechertelefon mit strahlformerbasierter konferenzcharakterisierung und zugehörige verfahren

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3127066B2 (ja) * 1992-10-30 2001-01-22 インターナショナル・ビジネス・マシーンズ・コーポレ−ション パーソナル・マルチメディア・スピーカ・システム
DE19743192C2 (de) 1997-09-30 1999-09-09 Siemens Ag Echokompensationsverfahren, Echokompensationsvorrichtung und Telekommunikationsgerät
US6449593B1 (en) * 2000-01-13 2002-09-10 Nokia Mobile Phones Ltd. Method and system for tracking human speakers
GB2364121B (en) * 2000-06-30 2004-11-24 Mitel Corp Method and apparatus for locating a talker
DE60010457T2 (de) * 2000-09-02 2006-03-02 Nokia Corp. Vorrichtung und Verfahren zur Verarbeitung eines Signales emittiert von einer Zielsignalquelle in einer geräuschvollen Umgebung
JP2002156451A (ja) * 2000-11-20 2002-05-31 Osaka Prefecture 音波センサ及び遅延回路を備えた半導体装置及び視覚障害者用杖及び３次元計測方法
FR2817973A1 (fr) * 2000-12-13 2002-06-14 Imra Europe Sa Methode de detection et de positionnement d'objets basee sur deux etapes de formation numerique de faisceaux d'un reseau phase de capteurs
EP1380186B1 (de) * 2001-02-14 2015-08-26 Gentex Corporation Fahrzeug-zusatzmikrophon
GB0120450D0 (en) * 2001-08-22 2001-10-17 Mitel Knowledge Corp Robust talker localization in reverberant environment
US7379553B2 (en) 2002-08-30 2008-05-27 Nittobo Acoustic Engineering Co. Ltd Sound source search system
AU2003267428A1 (en) 2002-10-04 2004-04-23 Ks 22 S.A. Watch control device
EP1524879B1 (de) * 2003-06-30 2014-05-07 Nuance Communications, Inc. Freisprechanlage zur Verwendung in einem Fahrzeug
US20050147258A1 (en) * 2003-12-24 2005-07-07 Ville Myllyla Method for adjusting adaptation control of adaptive interference canceller
US20050147261A1 (en) * 2003-12-30 2005-07-07 Chiang Yeh Head relational transfer function virtualizer
SE0400997D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
US8644525B2 (en) * 2004-06-02 2014-02-04 Clearone Communications, Inc. Virtual microphones in electronic conferencing systems
US20060034469A1 (en) * 2004-07-09 2006-02-16 Yamaha Corporation Sound apparatus and teleconference system
JP2006220636A (ja) 2004-07-27 2006-08-24 Matsushita Electric Works Ltd 音波センサ
US7720232B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Speakerphone
JP5280837B2 (ja) * 2005-03-22 2013-09-04 ブルームライン アコースティックス ベースローテン フェンノートシャップ 音声の自然性を改善するトランスデューサ装置
US7619563B2 (en) * 2005-08-26 2009-11-17 Step Communications Corporation Beam former using phase difference enhancement
JP2007078545A (ja) 2005-09-15 2007-03-29 Yamaha Corp 対象物検出装置及び音声会議装置
US8130977B2 (en) * 2005-12-27 2012-03-06 Polycom, Inc. Cluster of first-order microphones and method of operation for stereo input of videoconferencing system
EP1983799B1 (de) 2007-04-17 2010-07-07 Harman Becker Automotive Systems GmbH Akustische Lokalisierung eines Sprechers

Also Published As

Publication number Publication date
EP1983799B1 (de) 2010-07-07
US20120294118A1 (en) 2012-11-22
US9338549B2 (en) 2016-05-10
US8204248B2 (en) 2012-06-19
EP1983799A1 (de) 2008-10-22
DE602007007581D1 (de) 2010-08-19
US20080285772A1 (en) 2008-11-20

Similar Documents

Publication Publication Date Title
ATE473603T1 (de) Akustische lokalisierung eines sprechers
ATE554481T1 (de) Sprecherlokalisierung
DK1992193T3 (da) Høreapparat og fremgangsmåde til at anvende forstærkningsbegrænsning i et høreapparat
EA200700575A1 (ru) Аппарат и способ усиления звука
WO2010004056A3 (en) Method and system for speech enhancement in a room
WO2004095878A3 (en) Method and apparatus for sound transduction with minimal interference from background noise and minimal local acoustic radiation
ATE477687T1 (de) Verfahren und system zur ermittlung des abstands zwischen lautsprechern
WO2010000878A3 (en) Speech enhancement method and system
WO2011027005A3 (en) Method and system for speech enhancement in a room
WO2010036321A3 (en) Self-steering directional hearing aid and method of operation thereof
WO2009078146A1 (ja) 騒音低減装置および騒音低減システム
WO2015108798A3 (en) Muting a sound source with an array of microphones
FI20080428L (fi) Järjestelmä ja menetelmä mikrofonien välisten tasoerojen käyttämiseksi puheen ehostamiseksi
ATE518380T1 (de) Verfahren zum synthetisieren eines mikrofonsignals
EP1777991A3 (de) Schallmessgerät und Verfahren,und Tonsignalverarbeitungsgerät
EP2426950A3 (de) Rauschunterdrückung zum Senden von Sprache mit stereophonen Mikrophonen
EP2056295A3 (de) Verstärkung von Sprachsignalen mit frequenzbegrenztem Rauschen
EP2449798A4 (de) System und verfahren zur bestimmung der richtung eines ankommenden klangs
ATE532344T1 (de) Mikrofonvorrichtung
DE502006005495D1 (de) Verfahren zum Betrieb eines Hörhilfegerätesystems zur binauralen Versorgung eines Benutzers
DK2182739T3 (da) Adaptivt mikrofonsystem til et høreapparat og tilhørende funktionsmetode
WO2009025090A1 (ja) 指向性マイクロホン装置
DK1933590T3 (da) Fremgangsmåde til höreapparattilpasning
DK1753264T3 (da) Höreapparat og fremgangsmåde til tilpasning af höreapparatet til en rumakustik
DK2257081T3 (da) Høreindretning med to eller flere mikrofoner

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties