JP4506765B2 - スピーカアレイ装置および信号処理方法 - Google Patents
スピーカアレイ装置および信号処理方法 Download PDFInfo
- Publication number
- JP4506765B2 JP4506765B2 JP2007039611A JP2007039611A JP4506765B2 JP 4506765 B2 JP4506765 B2 JP 4506765B2 JP 2007039611 A JP2007039611 A JP 2007039611A JP 2007039611 A JP2007039611 A JP 2007039611A JP 4506765 B2 JP4506765 B2 JP 4506765B2
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- sound
- speaker
- frequency band
- speaker array
- 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
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Images
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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- 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
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- 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
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- 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
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007039611A JP4506765B2 (ja) | 2007-02-20 | 2007-02-20 | スピーカアレイ装置および信号処理方法 |
| EP08002043.1A EP1962549B1 (en) | 2007-02-20 | 2008-02-04 | Speaker array apparatus and signal processing method therefor |
| CN2008100052674A CN101252792B (zh) | 2007-02-20 | 2008-02-20 | 扬声器阵列设备及其信号处理方法 |
| US12/034,269 US8363845B2 (en) | 2007-02-20 | 2008-02-20 | Speaker array apparatus and signal processing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007039611A JP4506765B2 (ja) | 2007-02-20 | 2007-02-20 | スピーカアレイ装置および信号処理方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008205822A JP2008205822A (ja) | 2008-09-04 |
| JP2008205822A5 JP2008205822A5 (enExample) | 2009-01-22 |
| JP4506765B2 true JP4506765B2 (ja) | 2010-07-21 |
Family
ID=39283893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007039611A Expired - Fee Related JP4506765B2 (ja) | 2007-02-20 | 2007-02-20 | スピーカアレイ装置および信号処理方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8363845B2 (enExample) |
| EP (1) | EP1962549B1 (enExample) |
| JP (1) | JP4506765B2 (enExample) |
| CN (1) | CN101252792B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5565044B2 (ja) * | 2010-03-31 | 2014-08-06 | ヤマハ株式会社 | スピーカ装置 |
| CN103125126B (zh) * | 2010-09-03 | 2016-04-27 | 艾克蒂瓦维公司 | 包括扬声器驱动器组的扬声器系统 |
| CN102186129B (zh) * | 2011-05-20 | 2014-11-26 | 广州励丰文化科技股份有限公司 | 扩声扬声器点阵的指向性控制方法和音箱 |
| JP6090039B2 (ja) * | 2013-07-30 | 2017-03-08 | ヤマハ株式会社 | スピーカ装置 |
| JP5708724B2 (ja) * | 2013-07-09 | 2015-04-30 | 沖電気工業株式会社 | 音響再生装置及びプログラム |
| US9609451B2 (en) * | 2015-02-12 | 2017-03-28 | Dts, Inc. | Multi-rate system for audio processing |
| CN109699200B (zh) * | 2016-08-31 | 2021-05-25 | 哈曼国际工业有限公司 | 可变声学扬声器 |
| US10645516B2 (en) | 2016-08-31 | 2020-05-05 | Harman International Industries, Incorporated | Variable acoustic loudspeaker system and control |
| CN106502623A (zh) * | 2016-12-01 | 2017-03-15 | 北京小米移动软件有限公司 | 音频输出装置及方法 |
| GB2568223A (en) * | 2017-09-15 | 2019-05-15 | Gowler Hart David | Bass generator 20Hz> audio system reinforcement |
| CN108391196B (zh) * | 2018-03-19 | 2021-05-07 | 深圳市冠旭电子股份有限公司 | 一种音频信号处理装置及音箱 |
| CN110881164B (zh) * | 2018-09-06 | 2021-01-26 | 宏碁股份有限公司 | 增益动态调节的音效控制方法及音效输出装置 |
| US11109156B2 (en) * | 2019-07-24 | 2021-08-31 | Barefoot Sound, Llc | Method and apparatus for improving effective signal-to-noise ratio of analog to digital conversion for multi-band digital signal processing devices |
| EP4226651B1 (en) * | 2020-10-07 | 2024-10-23 | Clang | A method of outputting sound and a loudspeaker |
| CN112112363A (zh) * | 2020-10-21 | 2020-12-22 | 湖南兴龙环境艺术工程有限公司 | 智能建筑玻璃 |
| WO2022193934A1 (zh) | 2021-03-18 | 2022-09-22 | 海信视像科技股份有限公司 | 一种显示装置、激励器及音频信号播放方法 |
| CN115623386A (zh) * | 2021-07-13 | 2023-01-17 | 上海艾为电子技术股份有限公司 | 扬声器位移保护装置、方法及电子设备 |
| US20240045644A1 (en) * | 2022-08-08 | 2024-02-08 | Harman International Industries, Incorporated | Techniques for dynamically managing a low-frequency sound field using non-low-frequency loudspeakers |
| JP2024033653A (ja) * | 2022-08-30 | 2024-03-13 | フォルシアクラリオン・エレクトロニクス株式会社 | 音響処理装置及び音響処理方法 |
| EP4407608A4 (en) * | 2022-12-08 | 2024-12-18 | Samsung Electronics Co., Ltd. | ELECTRONIC DEVICE AND METHOD FOR OUTPUTTING AUDIO DATA FROM ELECTRONIC DEVICE |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63206100A (ja) * | 1987-02-23 | 1988-08-25 | Mitsubishi Electric Corp | マルチウエイスピ−カ装置 |
| JP2713080B2 (ja) * | 1993-03-05 | 1998-02-16 | 松下電器産業株式会社 | 指向性スピーカ装置 |
| TW275179B (en) * | 1994-11-17 | 1996-05-01 | Matsushita Electric Industrial Co Ltd | Audio circuit |
| CN100539737C (zh) * | 2001-03-27 | 2009-09-09 | 1...有限公司 | 产生声场的方法和装置 |
| DE10237623A1 (de) * | 2002-08-16 | 2004-03-04 | Grundig Aktiengesellschaft I.Ins. | Lautsprecheranordnung |
| JP4214834B2 (ja) * | 2003-05-09 | 2009-01-28 | ヤマハ株式会社 | アレースピーカーシステム |
| JP3876850B2 (ja) * | 2003-06-02 | 2007-02-07 | ヤマハ株式会社 | アレースピーカーシステム |
| JP4002548B2 (ja) * | 2003-10-06 | 2007-11-07 | ローム株式会社 | 等化回路 |
| JP4124182B2 (ja) * | 2004-08-27 | 2008-07-23 | ヤマハ株式会社 | アレイスピーカ装置 |
| US20080025518A1 (en) * | 2005-01-24 | 2008-01-31 | Ko Mizuno | Sound Image Localization Control Apparatus |
| US8238576B2 (en) * | 2005-06-30 | 2012-08-07 | Cirrus Logic, Inc. | Level dependent bass management |
-
2007
- 2007-02-20 JP JP2007039611A patent/JP4506765B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-04 EP EP08002043.1A patent/EP1962549B1/en not_active Not-in-force
- 2008-02-20 US US12/034,269 patent/US8363845B2/en active Active
- 2008-02-20 CN CN2008100052674A patent/CN101252792B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1962549B1 (en) | 2015-06-10 |
| EP1962549A3 (en) | 2008-09-10 |
| US20080199017A1 (en) | 2008-08-21 |
| US8363845B2 (en) | 2013-01-29 |
| JP2008205822A (ja) | 2008-09-04 |
| CN101252792A (zh) | 2008-08-27 |
| EP1962549A2 (en) | 2008-08-27 |
| CN101252792B (zh) | 2012-11-07 |
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