KR940015967A - 바람직하게 배치된 방 내부에서 외부 노이즈로부터 주어진 음량을 보호하는 방법 및 장치 - Google Patents
바람직하게 배치된 방 내부에서 외부 노이즈로부터 주어진 음량을 보호하는 방법 및 장치 Download PDFInfo
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Abstract
외부 노이즈 E에 대해서 방 내부에 배치된 음량(2)을 보호하기 위하여, 음량으로부터 거리 A에 배열되고, 노이즈 E를 수신하는 음향 센서(11j)의 행렬 및 음량으로부터 거리 A보다 작은 거리 B에 배열된 음향센서(15k)의 배열로 구성되어 사용되고, 신호 S는 이러한 소오스에 제공되고, 이 신호는 함수 Ej(t)를 한편으로는, 음량의 범위를 제한하는 가상 장벽(6)에 의해 이송되는 소오스(101)에 의해 도출되는 펄스로부터의 센서(11j)에서 다른 한편으로는, 전술한 소오스(15k)에 의해 도출된 펄스로부터 이러한 후부 소오스(101)와 같이 동일한 위치에서 고정된 센서(121)에서 모아진 임펄스 응답으로부터 직접 추론가능한 두 함수 fij(t) 및 gik(t)와의 이중 컨벌루션 프로덕트의 합이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 외부의 노이즈로부터 방에서 제한된 음량을 보호기에 적합한 장치를 설치한 방의 도시도, 제2도는 이 장치를 포함하는 전자 회로의 도시도.
Claims (10)
- 외부 노이즈로부터 주어진 음량을 보호하기 위한 장치로서, 한편으로는, 음향적으로 보호하기 위해 음량(2)내에 배열된 동일한 망상의 가공 배열(6)의 정의된 포인트(i)로부터 두개의 분리된 거리 A 및 B에서 각각 배치되고, 상쇄될 노이즈 Ej(t)를 수신하는 음향학적 센서(11j)의 배열(8) 및 음향학적 소오스의 배열(15k)를 포함하고, 거리 B는 거리 A보다 짧도록 구성되며, 다른 한편으로는, 센서와 소오스사이에 삽입되어지고보다 작은 타임 스팬에 계산되어지도록 구성되어진 전자 회로(16)를 포함하고, 여기서 V는 각각의 노이즈 Ej(t)에 대해 대기중의 속도이고, 각각 동시에 소오스(15k)에 제공되어지는 다음과 같은 다수의 신호 Sk(t)로 구성되는 것을 특징으로 하는 음량 보호 장치.여기서, 각각의 함수 fji(t)는 포인트 i에서 고정된 것으로 가정되는 소오스로부터 짧은 음향 펄스의 방출을 통해 센서의 배열상의 색인 J의 센서에서 발생된 노이즈와 부합하는, 사전 결정되고 기록된, 임펄스 응답인 상반 함수 fij(t)와 일치하고, 각각의 함수 gik(-t)는 소오스의 배열상의 색인 k의 소오스에 의해 짧은 음향 펄스의 방출로부터 포인트 i에서 고정된 것으로 가정되는 센서에서 발생된 노이즈에 부합하는, 사전 결정되고 기록된, 차례로의 임펄스 응답인 상반 함수 gki(t)과 그 자체가 일치하는 함수 gik(t)로부터 계산되어진다.
- 제1항에 있어서, 신호 S의 계산을 위해 요구되는 노이즈 Ej(t)의 검출은 진행되어지는 음향 파를 특성짓는 최단 주기의 8분의 1에 실질적으로 일치하는 속도, 즉, 센서의 민감도에 대해 감지되는 범위의 최고 주파수에서의 샘플링에 의해 실행되는 것을 특징으로 하는 음량 보호 장치.
- 전술한 항중 어느 한항에 있어서, 센서(11j)가 감지할 수 있는 주파수의 폭은 10에서 10,000Hz사이인 것을 특징으로 하는 음량 보호 장치.
- 전술한 항중 어느 한 항에 있어서, 각각의 행렬(6,8,13)을 구성하는 음향 요소(10i,11j,12i,15k)의 수는 수십 단위이고, 특정하게는 50에서 100단위이며, 각각의 행렬내의 상호 분리된 이러한 요소들의 거리는 데시미터 단위인 것을 특징으로 하는 음량 보호장치.
- 전술한 항중 어느 한 항에 있어서, 거리 A 및 B사이의 차는 1미터단위인 것을 특징으로 하는 음향 보호 장치.
- 전술한 항중 어느 한 항에 있어서, 각각의 신호 Sk(t)는이고,식 hjk(t)은 이전에 결정되고 표시된 다음과 같은함수인 것을 특징으로 하는 음향 보호 장치.
- 전술한 항중 어느 한 항에 따른 신호 S의 계산용으로 사용되는 임펄스 응답 fij(t) 및 gki(t)를 결정하는 방법으로, 음향학적으로 보호되는 음량에 근접하도록 하는 점에 있어서, 적어도 이러한 음량의 부분을 한정하는 방식으로, 고정된 다수의 포인트 i를 한정하는 망상 배열로 배열되어지고, 제1타임 스팬, 음향소오스에 있어서, 응답 fij(t)는 상기 소오스에 의한 짧은 음향 펄스의 방출동안, 영구 센서 부근에서 결정되어지고, 제2타임 스팬, 음향센서에 있어서, 응답 gki(t)는 영구 소오스상에 의한 짧은 음향 펄스의 방출동안, 이러한 센서 부근에서 결정되어지는 것을 특징으로 하는 방법.
- 제7항에 있어서, 두개의 소오스(10i; 15k)-센서(11j: 12i)중 적어도 하나 내부에서, 어셈블리는 각각의 두 연속적인 "타임스팬"의 진행에서 사용되고, 소오스 및 센서의 각각의 역할 및 위치는 교체되어지는 것을 특징으로 하는 방법.
- 제7항 및 제8항중 어느 한 항에 따른 방법을 구현하기 위한 음향 요소(10i; 12i)이 망상 행렬.
- 제6항에 따른 장치의 구현을 위한 방법으로 함수 hjk(t)의 이전단계가 착수되는 것을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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Application Number | Priority Date | Filing Date | Title |
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FR9214952A FR2699205B1 (fr) | 1992-12-11 | 1992-12-11 | Perfectionnements aux procédés et dispositifs pour protéger des bruits extérieurs un volume donné, de préférence disposé à l'intérieur d'un local. |
FR92-14952 | 1992-12-11 |
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KR940015967A true KR940015967A (ko) | 1994-07-22 |
KR100306270B1 KR100306270B1 (ko) | 2001-11-30 |
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KR1019930027354A KR100306270B1 (ko) | 1992-12-11 | 1993-12-11 | 바람직하게는방의내부에배열된주어진특정공간을외부노이즈로부터보호하기위한방법및장치 |
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US (1) | US5438624A (ko) |
EP (1) | EP0601934B1 (ko) |
JP (1) | JPH06236191A (ko) |
KR (1) | KR100306270B1 (ko) |
CN (1) | CN1092128A (ko) |
AT (1) | ATE170655T1 (ko) |
AU (1) | AU669020B2 (ko) |
BR (1) | BR9305018A (ko) |
CA (1) | CA2110763A1 (ko) |
DE (1) | DE69320770T2 (ko) |
DK (1) | DK0601934T3 (ko) |
ES (1) | ES2123040T3 (ko) |
FI (1) | FI935515A (ko) |
FR (1) | FR2699205B1 (ko) |
IL (1) | IL107919A (ko) |
NO (2) | NO934511D0 (ko) |
PL (1) | PL173598B1 (ko) |
RU (1) | RU2132089C1 (ko) |
TW (1) | TW293059B (ko) |
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JP3795915B2 (ja) * | 1994-03-24 | 2006-07-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 音声−映像装置及びこのような装置が用いられたシステム |
FR2726115B1 (fr) * | 1994-10-20 | 1996-12-06 | Comptoir De La Technologie | Dispositif actif d'attenuation de l'intensite sonore |
GB9506725D0 (en) * | 1995-03-31 | 1995-05-24 | Hooley Anthony | Improvements in or relating to loudspeakers |
FR2732807B1 (fr) * | 1995-04-04 | 1997-05-16 | Technofirst | Procede et dispositif personnels d'attenuation acoustique active, siege equipe du dispositif correspondant, et espace a attenuation acoustique active obtenu |
DE69638347D1 (de) * | 1995-07-13 | 2011-05-12 | Applic Du Retournement Temporel Soc Pour | Verfahren und Anordnung zur Fokussierung akustischer Welle |
JPH0944168A (ja) * | 1995-08-03 | 1997-02-14 | Taisei Denki Kogyo:Kk | 複数階建築物における床衝撃音消音装置 |
US5699437A (en) * | 1995-08-29 | 1997-12-16 | United Technologies Corporation | Active noise control system using phased-array sensors |
FR2771541B1 (fr) * | 1997-11-21 | 2000-10-20 | Jean Claude Decaux | Procede et dispositif d'insonorisation active |
AU7538000A (en) | 1999-09-29 | 2001-04-30 | 1... Limited | Method and apparatus to direct sound |
FR2799873B1 (fr) * | 1999-10-18 | 2002-02-08 | Comptoir De La Technologie | Dispositif actif d'attenuation de l'intensite sonore |
CN100539737C (zh) * | 2001-03-27 | 2009-09-09 | 1...有限公司 | 产生声场的方法和装置 |
GB0124352D0 (en) * | 2001-10-11 | 2001-11-28 | 1 Ltd | Signal processing device for acoustic transducer array |
GB0203895D0 (en) * | 2002-02-19 | 2002-04-03 | 1 Ltd | Compact surround-sound system |
GB0301093D0 (en) * | 2003-01-17 | 2003-02-19 | 1 Ltd | Set-up method for array-type sound systems |
GB0321676D0 (en) * | 2003-09-16 | 2003-10-15 | 1 Ltd | Digital loudspeaker |
GB0415626D0 (en) * | 2004-07-13 | 2004-08-18 | 1 Ltd | Directional microphone |
US20070269071A1 (en) * | 2004-08-10 | 2007-11-22 | 1...Limited | Non-Planar Transducer Arrays |
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KR101295848B1 (ko) * | 2008-12-17 | 2013-08-12 | 삼성전자주식회사 | 어레이스피커 시스템에서 음향을 포커싱하는 장치 및 방법 |
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TWI407430B (zh) * | 2009-11-19 | 2013-09-01 | Univ Nat Changhua Education | 音波抑制裝置及其方法 |
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US10354638B2 (en) * | 2016-03-01 | 2019-07-16 | Guardian Glass, LLC | Acoustic wall assembly having active noise-disruptive properties, and/or method of making and/or using the same |
US10304473B2 (en) | 2017-03-15 | 2019-05-28 | Guardian Glass, LLC | Speech privacy system and/or associated method |
US10726855B2 (en) | 2017-03-15 | 2020-07-28 | Guardian Glass, Llc. | Speech privacy system and/or associated method |
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US4683590A (en) * | 1985-03-18 | 1987-07-28 | Nippon Telegraph And Telphone Corporation | Inverse control system |
GB8610744D0 (en) * | 1986-05-01 | 1986-06-04 | Plessey Co Plc | Adaptive disturbance suppression |
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JPH0739968B2 (ja) * | 1991-03-25 | 1995-05-01 | 日本電信電話株式会社 | 音響伝達特性模擬方法 |
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-
1992
- 1992-12-11 FR FR9214952A patent/FR2699205B1/fr not_active Expired - Fee Related
-
1993
- 1993-12-06 CA CA002110763A patent/CA2110763A1/en not_active Abandoned
- 1993-12-07 TW TW082110364A patent/TW293059B/zh active
- 1993-12-07 IL IL10791993A patent/IL107919A/en active IP Right Grant
- 1993-12-09 AT AT93402974T patent/ATE170655T1/de not_active IP Right Cessation
- 1993-12-09 NO NO934511D patent/NO934511D0/no unknown
- 1993-12-09 DE DE69320770T patent/DE69320770T2/de not_active Expired - Fee Related
- 1993-12-09 EP EP93402974A patent/EP0601934B1/fr not_active Expired - Lifetime
- 1993-12-09 FI FI935515A patent/FI935515A/fi unknown
- 1993-12-09 AU AU52302/93A patent/AU669020B2/en not_active Ceased
- 1993-12-09 NO NO934511A patent/NO301086B1/no not_active IP Right Cessation
- 1993-12-09 ES ES93402974T patent/ES2123040T3/es not_active Expired - Lifetime
- 1993-12-09 DK DK93402974T patent/DK0601934T3/da active
- 1993-12-09 US US08/163,508 patent/US5438624A/en not_active Expired - Fee Related
- 1993-12-10 BR BR9305018A patent/BR9305018A/pt not_active IP Right Cessation
- 1993-12-10 PL PL93301416A patent/PL173598B1/pl unknown
- 1993-12-10 RU RU93054520A patent/RU2132089C1/ru active
- 1993-12-10 JP JP5345734A patent/JPH06236191A/ja not_active Abandoned
- 1993-12-11 CN CN93121692A patent/CN1092128A/zh active Pending
- 1993-12-11 KR KR1019930027354A patent/KR100306270B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI935515A (fi) | 1994-06-12 |
FR2699205A1 (fr) | 1994-06-17 |
DE69320770T2 (de) | 1999-05-06 |
CA2110763A1 (en) | 1994-06-12 |
US5438624A (en) | 1995-08-01 |
EP0601934B1 (fr) | 1998-09-02 |
DK0601934T3 (da) | 1999-05-31 |
DE69320770D1 (de) | 1998-10-08 |
FR2699205B1 (fr) | 1995-03-10 |
FI935515A0 (fi) | 1993-12-09 |
IL107919A0 (en) | 1994-04-12 |
PL301416A1 (en) | 1994-06-13 |
NO934511D0 (no) | 1993-12-09 |
ATE170655T1 (de) | 1998-09-15 |
EP0601934A1 (fr) | 1994-06-15 |
PL173598B1 (pl) | 1998-03-31 |
NO934511L (no) | 1994-06-13 |
NO301086B1 (no) | 1997-09-08 |
ES2123040T3 (es) | 1999-01-01 |
AU669020B2 (en) | 1996-05-23 |
RU2132089C1 (ru) | 1999-06-20 |
IL107919A (en) | 1996-07-23 |
TW293059B (ko) | 1996-12-11 |
CN1092128A (zh) | 1994-09-14 |
BR9305018A (pt) | 1994-06-14 |
KR100306270B1 (ko) | 2001-11-30 |
AU5230293A (en) | 1994-06-23 |
JPH06236191A (ja) | 1994-08-23 |
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