JP5988874B2 - ラウドスピーカアセンブリおよびシステム - Google Patents
ラウドスピーカアセンブリおよびシステム Download PDFInfo
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- JP5988874B2 JP5988874B2 JP2012534497A JP2012534497A JP5988874B2 JP 5988874 B2 JP5988874 B2 JP 5988874B2 JP 2012534497 A JP2012534497 A JP 2012534497A JP 2012534497 A JP2012534497 A JP 2012534497A JP 5988874 B2 JP5988874 B2 JP 5988874B2
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- chamber
- loudspeaker
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- loudspeaker assembly
- helmholtz resonator
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- 238000000034 method Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 14
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
-
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker 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
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling
-
- 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
- H04R2201/34—Directing or guiding sound by means of a phase plug
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
-
- 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
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Selective Calling Equipment (AREA)
Description
(i)ラウドスピーカドライバに関連する動作帯域の下限で、またはその近傍で同調することによって低周波数で拡張を提供するため
(ii)動作帯域の上限で、またはその近傍で同調することによって、音響フィルタリングを提供するため
(iii)動作帯域または通過帯域にコーンの最小値を作るため
a)一般に「低カットオフ周波数」と呼ばれる低周波数ロールオフを判定する低域同調周波数
b)一般に「ボックス同調」または「ポート同調」と呼ばれる中間同調周波数、および
c)高周波数ロールオフを判定する高域同調周波数
疑義を避けるためにいうと、動作帯域を十分上回る周波数とは、高域同調周波数のことである。
Claims (8)
- 300Hz以下用に適しており、車両内での使用に適している、1つの無限大バッフルトポロジを有するラウドスピーカシステムの一部を構成するラウドスピーカアセンブリであって、前記無限大バッフルトポロジは、前記車両の屋根、壁、床を含み、前記ラウドスピーカアセンブリは、コーンおよびバスケットを含むドライバと、前記車両の前記屋根、壁、床を通るダクトにより通気されたチャンバを含む少なくとも1つのヘルムホルツ共鳴器とを備え、前記ドライバに関連した動作帯域より上の周波数fHでの音響的ロールオフをもたらすように、前記ヘルムホルツ共鳴器は、前記チャンバを前記ドライバよりも容積を小さくし、その結果、前記チャンバを前記無限大バッフルトポロジを有するラウドスピーカで用いられるヘルムホルツチャンバよりも小さくすることにより同調される
ことを特徴とする、ラウドスピーカアセンブリ。 - 前記チャンバの容積は、前記ドライバに関連する前記動作帯域または近傍の同調周波数を提供するような寸法にされているチャンバに比して小さい
ことを特徴とする、請求項1に記載のラウドスピーカアセンブリ。 - 前記無限大バッフルトポロジは前記車両の外板を含み、前記ダクトは前記外板を通過するようになされている
ことを特徴とする、請求項1または2に記載のラウドスピーカアセンブリ。 - 前記ダクトは前記外板の既存の開口を通過するようになされている
ことを特徴とする、請求項3に記載のラウドスピーカアセンブリ。 - 前記既存の開口は換気口を含む
ことを特徴とする、請求項4に記載のラウドスピーカアセンブリ。 - 少なくとも1つのヘルムホルツ共鳴器の前記チャンバは、前記コーンに関連する変位範囲に閉じ込められる空気を除き、ゼロ容積に近づける
ことを特徴とする、請求項1から5のいずれか1項に記載のラウドスピーカアセンブリ。 - 300Hz以下用に適しており、車両内での使用に適している、1つの無限大バッフルトポロジを有するラウドスピーカシステムの一部を構成するラウドスピーカアセンブリを調整する方法であって、
前記無限大バッフルトポロジは、前記車両の屋根、壁、床を含み、前記ラウドスピーカアセンブリは、コーンおよびバスケットを有するドライバと、前記車両の前記屋根、壁、床を通るダクトにより通気されたチャンバを有する少なくとも1つのヘルムホルツ共鳴器とを備え、
前記方法は、
前記ドライバに関連した動作帯域より上の周波数fHでの音響的ロールオフをもたらすように、前記チャンバを前記ドライバよりも容積を小さくし、その結果、前記チャンバを前記無限大バッフルトポロジを有するラウドスピーカで用いられるヘルムホルツチャンバよりも小さくすることにより、前記ヘルムホルツ共鳴器を同調する
ことを含む方法。 - 前記チャンバの容積は、前記ドライバに関連する前記動作帯域または近傍の前記同調周波数を提供するチャンバに比して小さいことを特徴とする、
請求項7に記載のラウドスピーカアセンブリを同調する方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009905165A AU2009905165A0 (en) | 2009-10-23 | Infinite Baffle Topology Loudspeaker | |
AU2009905165 | 2009-10-23 | ||
PCT/AU2010/001405 WO2011047435A1 (en) | 2009-10-23 | 2010-10-22 | Loudspeaker assembly and system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013509049A JP2013509049A (ja) | 2013-03-07 |
JP5988874B2 true JP5988874B2 (ja) | 2016-09-07 |
Family
ID=43899733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012534497A Active JP5988874B2 (ja) | 2009-10-23 | 2010-10-22 | ラウドスピーカアセンブリおよびシステム |
Country Status (8)
Country | Link |
---|---|
US (1) | US8804991B2 (ja) |
EP (3) | EP4187919A1 (ja) |
JP (1) | JP5988874B2 (ja) |
CN (1) | CN102934463B (ja) |
ES (2) | ES2658656T3 (ja) |
HU (1) | HUE061370T2 (ja) |
PL (2) | PL3282714T3 (ja) |
WO (1) | WO2011047435A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11553271B2 (en) | 2020-09-28 | 2023-01-10 | Yamaha Corporation | Speaker apparatus and acoustic system |
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2010
- 2010-10-22 WO PCT/AU2010/001405 patent/WO2011047435A1/en active Application Filing
- 2010-10-22 EP EP22217334.6A patent/EP4187919A1/en active Pending
- 2010-10-22 ES ES10824317.1T patent/ES2658656T3/es active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11553271B2 (en) | 2020-09-28 | 2023-01-10 | Yamaha Corporation | Speaker apparatus and acoustic system |
Also Published As
Publication number | Publication date |
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US8804991B2 (en) | 2014-08-12 |
EP2491726A4 (en) | 2014-09-10 |
EP3282714A1 (en) | 2018-02-14 |
EP4187919A1 (en) | 2023-05-31 |
EP2491726A1 (en) | 2012-08-29 |
JP2013509049A (ja) | 2013-03-07 |
HUE061370T2 (hu) | 2023-06-28 |
PL2491726T3 (pl) | 2018-05-30 |
EP3282714B1 (en) | 2023-02-22 |
WO2011047435A1 (en) | 2011-04-28 |
PL3282714T3 (pl) | 2023-07-10 |
ES2658656T3 (es) | 2018-03-12 |
CN102934463B (zh) | 2016-11-02 |
CN102934463A (zh) | 2013-02-13 |
EP2491726B1 (en) | 2017-12-06 |
US20120219171A1 (en) | 2012-08-30 |
ES2939372T3 (es) | 2023-04-21 |
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