IT8026676A0 - Gruppi microfonici perteleconferenze. - Google Patents
Gruppi microfonici perteleconferenze.Info
- Publication number
- IT8026676A0 IT8026676A0 IT8026676A IT2667680A IT8026676A0 IT 8026676 A0 IT8026676 A0 IT 8026676A0 IT 8026676 A IT8026676 A IT 8026676A IT 2667680 A IT2667680 A IT 2667680A IT 8026676 A0 IT8026676 A0 IT 8026676A0
- Authority
- IT
- Italy
- Prior art keywords
- teleconferences
- microphone groups
- microphone
- groups
- Prior art date
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
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
- B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Micromachines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/104,375 US4311874A (en) | 1979-12-17 | 1979-12-17 | Teleconference microphone arrays |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8026676A0 true IT8026676A0 (it) | 1980-12-16 |
IT1134737B IT1134737B (it) | 1986-08-13 |
Family
ID=22300166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26676/80A IT1134737B (it) | 1979-12-17 | 1980-12-16 | Gruppi microfonici per teleconferenze |
Country Status (9)
Country | Link |
---|---|
US (1) | US4311874A (it) |
JP (1) | JPS5925554B2 (it) |
KR (1) | KR850000659B1 (it) |
CA (1) | CA1166166A (it) |
DE (1) | DE3046416C2 (it) |
FR (1) | FR2472326B1 (it) |
GB (1) | GB2066620B (it) |
IT (1) | IT1134737B (it) |
NL (1) | NL181965C (it) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3102208C2 (de) * | 1980-01-25 | 1983-01-05 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Mikrofonsystem mit veränderbarer Richtcharakteristik |
FR2509938B1 (fr) * | 1981-04-01 | 1987-11-13 | Trt Telecom Radio Electr | Agencement de transducteurs acoustiques et utilisation de cet agencement dans un poste telephonique " mains libres " |
US4429189A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with a selectively metalized backplate |
US4429193A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable effective air gap |
US4434327A (en) * | 1981-11-20 | 1984-02-28 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable actual air gap |
US4429192A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable electret foil thickness |
US4429191A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variably charged electret foil |
US4429190A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Continuous strip electret transducer array |
JPS5939198A (ja) * | 1982-08-27 | 1984-03-03 | Victor Co Of Japan Ltd | マイクロホン装置 |
US4485484A (en) * | 1982-10-28 | 1984-11-27 | At&T Bell Laboratories | Directable microphone system |
US4555598A (en) * | 1983-09-21 | 1985-11-26 | At&T Bell Laboratories | Teleconferencing acoustic transducer |
US4747132A (en) * | 1984-04-09 | 1988-05-24 | Matsushita Electric Industrial Co., Ltd. | Howling canceller |
US5029215A (en) * | 1989-12-29 | 1991-07-02 | At&T Bell Laboratories | Automatic calibrating apparatus and method for second-order gradient microphone |
FR2688644B1 (fr) * | 1992-03-11 | 1997-05-23 | Blanchet Vincent | Microphone a capteur fractionne. |
US5426510A (en) * | 1992-06-05 | 1995-06-20 | Dolman Associates, Inc. | Audio-video system |
US5732143A (en) * | 1992-10-29 | 1998-03-24 | Andrea Electronics Corp. | Noise cancellation apparatus |
US5657393A (en) * | 1993-07-30 | 1997-08-12 | Crow; Robert P. | Beamed linear array microphone system |
DE69523243T2 (de) * | 1994-03-24 | 2002-07-11 | Koninklijke Philips Electronics N.V., Eindhoven | Audiovisuelle vorrichtung und diese anwendendes system |
US5862240A (en) * | 1995-02-10 | 1999-01-19 | Sony Corporation | Microphone device |
US5940118A (en) * | 1997-12-22 | 1999-08-17 | Nortel Networks Corporation | System and method for steering directional microphones |
US6526147B1 (en) * | 1998-11-12 | 2003-02-25 | Gn Netcom A/S | Microphone array with high directivity |
DE19943875A1 (de) | 1999-09-14 | 2001-03-15 | Thomson Brandt Gmbh | System zur Sprachsteuerung mit einem Mikrofonarray |
US20030132950A1 (en) * | 2001-11-27 | 2003-07-17 | Fahri Surucu | Detecting, classifying, and interpreting input events based on stimuli in multiple sensory domains |
US20030174125A1 (en) * | 1999-11-04 | 2003-09-18 | Ilhami Torunoglu | Multiple input modes in overlapping physical space |
US6473514B1 (en) | 2000-01-05 | 2002-10-29 | Gn Netcom, Inc. | High directivity microphone array |
NZ502603A (en) * | 2000-02-02 | 2002-09-27 | Ind Res Ltd | Multitransducer microphone arrays with signal processing for high resolution sound field recording |
US20030048353A1 (en) * | 2001-08-07 | 2003-03-13 | Michael Kenoyer | System and method for high resolution videoconferencing |
US20030125959A1 (en) * | 2001-12-31 | 2003-07-03 | Palmquist Robert D. | Translation device with planar microphone array |
CA2374299A1 (en) * | 2002-03-01 | 2003-09-01 | Charles Whitman Fox | Modular microphone array for surround sound recording |
US20040264726A1 (en) * | 2003-06-30 | 2004-12-30 | Gauger Daniel M. | Microphoning |
US8170233B2 (en) | 2004-02-02 | 2012-05-01 | Harman International Industries, Incorporated | Loudspeaker array system |
GB0405790D0 (en) | 2004-03-15 | 2004-04-21 | Mitel Networks Corp | Universal microphone array stand |
TW200715147A (en) * | 2005-10-03 | 2007-04-16 | Omnidirectional Control Technology Inc | Sound collection device of sound entering array |
US7697827B2 (en) | 2005-10-17 | 2010-04-13 | Konicek Jeffrey C | User-friendlier interfaces for a camera |
JP4929740B2 (ja) * | 2006-01-31 | 2012-05-09 | ヤマハ株式会社 | 音声会議装置 |
JP4747949B2 (ja) * | 2006-05-25 | 2011-08-17 | ヤマハ株式会社 | 音声会議装置 |
US7584846B2 (en) | 2007-12-21 | 2009-09-08 | S.C. Johnson & Son, Inc. | Shaped packaging for a refill |
US8923529B2 (en) * | 2008-08-29 | 2014-12-30 | Biamp Systems Corporation | Microphone array system and method for sound acquisition |
NO332961B1 (no) * | 2008-12-23 | 2013-02-11 | Cisco Systems Int Sarl | Forhoyet toroidmikrofonapparat |
CN102860039B (zh) | 2009-11-12 | 2016-10-19 | 罗伯特·亨利·弗莱特 | 免提电话和/或麦克风阵列以及使用它们的方法和*** |
US8831248B2 (en) * | 2010-08-04 | 2014-09-09 | Nokia Corporation | Apparatus with directivity pattern |
US9443529B2 (en) | 2013-03-12 | 2016-09-13 | Aawtend, Inc. | Integrated sensor-array processor |
US10204638B2 (en) | 2013-03-12 | 2019-02-12 | Aaware, Inc. | Integrated sensor-array processor |
US10049685B2 (en) | 2013-03-12 | 2018-08-14 | Aaware, Inc. | Integrated sensor-array processor |
JP6132910B2 (ja) * | 2013-06-11 | 2017-05-24 | Toa株式会社 | マイクロホン装置 |
JP6353700B2 (ja) * | 2014-05-20 | 2018-07-04 | 三菱電機インフォメーションネットワーク株式会社 | 遠距離点間双方向コミュニケーションシステムおよび遠距離点間双方向コミュニケーション方法 |
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 |
US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
EP3425925A1 (en) * | 2017-07-07 | 2019-01-09 | Harman Becker Automotive Systems GmbH | Loudspeaker-room system |
EP3804356A1 (en) | 2018-06-01 | 2021-04-14 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
WO2020061353A1 (en) | 2018-09-20 | 2020-03-26 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
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 |
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 |
US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
EP3973716A1 (en) | 2019-05-23 | 2022-03-30 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
US11302347B2 (en) | 2019-05-31 | 2022-04-12 | Shure Acquisition Holdings, Inc. | Low latency automixer integrated with voice and noise activity detection |
TWI731391B (zh) * | 2019-08-15 | 2021-06-21 | 緯創資通股份有限公司 | 麥克風裝置、電子裝置及其音訊信號處理方法 |
EP4018680A1 (en) | 2019-08-23 | 2022-06-29 | Shure Acquisition Holdings, Inc. | Two-dimensional microphone array with improved directivity |
US12028678B2 (en) | 2019-11-01 | 2024-07-02 | Shure Acquisition Holdings, Inc. | Proximity microphone |
US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
USD944776S1 (en) | 2020-05-05 | 2022-03-01 | Shure Acquisition Holdings, Inc. | Audio device |
US11706562B2 (en) | 2020-05-29 | 2023-07-18 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB429022A (en) * | 1933-10-23 | 1935-05-23 | Alan Dower Blumlein | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
FR883707A (fr) * | 1941-07-02 | 1943-07-13 | Klangfilm Gmbh | Appareils sonores à effet directeur |
US2810786A (en) * | 1950-06-12 | 1957-10-22 | Siemens Ag | Directional microphone system |
GB996002A (en) | 1960-11-01 | 1965-06-23 | Emi Ltd | Improvements in or relating to stereophonic sound translating arrangements |
US3502811A (en) * | 1967-12-11 | 1970-03-24 | Bell Telephone Labor Inc | Directional microphone with frequency independent beamwidth |
FR1576149A (it) * | 1968-08-07 | 1969-07-25 | ||
US3889227A (en) * | 1972-09-22 | 1975-06-10 | Tokyo Shibaura Electric Co | Ultrasonic wave receiving apparatus |
AT337280B (de) * | 1974-10-24 | 1977-06-27 | Saad Zaghloul Mohamed Gabr | Schaltungsanordnung zur unterdruckung akustischer ruckkopplungen |
GB1515533A (en) * | 1975-08-20 | 1978-06-28 | C S Antennas Ltd | Aerials |
US3992586A (en) * | 1975-11-13 | 1976-11-16 | Jaffe Acoustics, Inc. | Boardroom sound reinforcement system |
GB2008359B (en) | 1977-11-03 | 1982-05-12 | Post Office | Audio teleconferecing |
US4131760A (en) * | 1977-12-07 | 1978-12-26 | Bell Telephone Laboratories, Incorporated | Multiple microphone dereverberation system |
-
1979
- 1979-12-17 US US06/104,375 patent/US4311874A/en not_active Expired - Lifetime
-
1980
- 1980-12-08 CA CA000366295A patent/CA1166166A/en not_active Expired
- 1980-12-10 DE DE3046416A patent/DE3046416C2/de not_active Expired
- 1980-12-16 IT IT26676/80A patent/IT1134737B/it active
- 1980-12-16 NL NLAANVRAGE8006821,A patent/NL181965C/xx not_active IP Right Cessation
- 1980-12-16 GB GB8040183A patent/GB2066620B/en not_active Expired
- 1980-12-16 FR FR8026672A patent/FR2472326B1/fr not_active Expired
- 1980-12-17 KR KR1019800004815A patent/KR850000659B1/ko active
- 1980-12-17 JP JP55177325A patent/JPS5925554B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL181965B (nl) | 1987-07-01 |
JPS5698094A (en) | 1981-08-07 |
GB2066620B (en) | 1984-07-25 |
DE3046416C2 (de) | 1984-09-06 |
FR2472326A1 (fr) | 1981-06-26 |
JPS5925554B2 (ja) | 1984-06-19 |
NL181965C (nl) | 1987-12-01 |
FR2472326B1 (fr) | 1987-03-20 |
GB2066620A (en) | 1981-07-08 |
US4311874A (en) | 1982-01-19 |
CA1166166A (en) | 1984-04-24 |
KR830004750A (ko) | 1983-07-16 |
NL8006821A (nl) | 1981-07-16 |
KR850000659B1 (ko) | 1985-05-07 |
IT1134737B (it) | 1986-08-13 |
DE3046416A1 (de) | 1981-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961223 |