DE69022926D1 - Virtuelle Mikrophonanlage und dafür bestimmtes Verfahren. - Google Patents

Virtuelle Mikrophonanlage und dafür bestimmtes Verfahren.

Info

Publication number
DE69022926D1
DE69022926D1 DE69022926T DE69022926T DE69022926D1 DE 69022926 D1 DE69022926 D1 DE 69022926D1 DE 69022926 T DE69022926 T DE 69022926T DE 69022926 T DE69022926 T DE 69022926T DE 69022926 D1 DE69022926 D1 DE 69022926D1
Authority
DE
Germany
Prior art keywords
procedure
microphone system
virtual microphone
virtual
microphone
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 - Fee Related
Application number
DE69022926T
Other languages
English (en)
Other versions
DE69022926T2 (de
Inventor
Tooru Sasaki
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69022926D1 publication Critical patent/DE69022926D1/de
Publication of DE69022926T2 publication Critical patent/DE69022926T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
DE69022926T 1989-08-25 1990-08-24 Virtuelle Mikrophonanlage und dafür bestimmtes Verfahren. Expired - Fee Related DE69022926T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1219968A JP2687613B2 (ja) 1989-08-25 1989-08-25 マイクロホン装置

Publications (2)

Publication Number Publication Date
DE69022926D1 true DE69022926D1 (de) 1995-11-16
DE69022926T2 DE69022926T2 (de) 1996-05-30

Family

ID=16743852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022926T Expired - Fee Related DE69022926T2 (de) 1989-08-25 1990-08-24 Virtuelle Mikrophonanlage und dafür bestimmtes Verfahren.

Country Status (4)

Country Link
US (1) US5051964A (de)
EP (1) EP0414264B1 (de)
JP (1) JP2687613B2 (de)
DE (1) DE69022926T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69327396T2 (de) * 1993-07-28 2000-05-11 Pan Communications Inc Zweiweg-Kommunikations-Ohrhörer
US5519637A (en) * 1993-08-20 1996-05-21 Mcdonnell Douglas Corporation Wavenumber-adaptive control of sound radiation from structures using a `virtual` microphone array method
CA2149680A1 (en) * 1994-06-30 1995-12-31 John Charles Baumhauer Jr. Direction finder
EP0847224A1 (de) * 1996-12-04 1998-06-10 Sulzer Innotec Ag Vorrichtung zum Feststellen von Schallquellen und Verfahren zum Betrieb der Vorrichtung
JP3541339B2 (ja) * 1997-06-26 2004-07-07 富士通株式会社 マイクロホンアレイ装置
JP3344647B2 (ja) * 1998-02-18 2002-11-11 富士通株式会社 マイクロホンアレイ装置
JP3863323B2 (ja) * 1999-08-03 2006-12-27 富士通株式会社 マイクロホンアレイ装置
EP1091615B1 (de) * 1999-10-07 2003-01-08 Zlatan Ribic Verfahren und Anordnung zur Aufnahme von Schallsignalen
EP1606970A1 (de) * 2003-03-21 2005-12-21 Technische Universiteit Delft Kreisförmige mikrofonanordnung zur mehrkanal-audio-aufzeichnung
ES2293789B1 (es) * 2005-08-31 2009-03-16 Limleather, S.L. Aplicador de productos en forma liquida, pastosa o semipastosa.
US8767975B2 (en) * 2007-06-21 2014-07-01 Bose Corporation Sound discrimination method and apparatus
US20090086992A1 (en) * 2007-09-27 2009-04-02 Fortemedia, Inc. Microphone circuit and charge amplifier thereof
US8611554B2 (en) * 2008-04-22 2013-12-17 Bose Corporation Hearing assistance apparatus
US8154588B2 (en) * 2009-01-14 2012-04-10 Alan Alexander Burns Participant audio enhancement system
US9078077B2 (en) 2010-10-21 2015-07-07 Bose Corporation Estimation of synthetic audio prototypes with frequency-based input signal decomposition
EP2600637A1 (de) * 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Mikrofonpositionierung basierend auf räumlicher Leistungsdichte
US10750132B2 (en) * 2013-03-14 2020-08-18 Pelco, Inc. System and method for audio source localization using multiple audio sensors
US20180070533A1 (en) * 2016-09-13 2018-03-15 Francis Lynch Bale accumulator and bale accumulation methods
US11581004B2 (en) 2020-12-02 2023-02-14 HearUnow, Inc. Dynamic voice accentuation and reinforcement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485484A (en) * 1982-10-28 1984-11-27 At&T Bell Laboratories Directable microphone system
JPS6223300A (ja) * 1985-07-23 1987-01-31 Victor Co Of Japan Ltd 指向性マイクロホン装置
US4653102A (en) * 1985-11-05 1987-03-24 Position Orientation Systems Directional microphone system

Also Published As

Publication number Publication date
US5051964A (en) 1991-09-24
JPH0383490A (ja) 1991-04-09
EP0414264B1 (de) 1995-10-11
EP0414264A2 (de) 1991-02-27
JP2687613B2 (ja) 1997-12-08
EP0414264A3 (en) 1992-04-01
DE69022926T2 (de) 1996-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee