JP2007312367A - 超音波スピーカの出力制御方法及び超音波スピーカシステム - Google Patents

超音波スピーカの出力制御方法及び超音波スピーカシステム Download PDF

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Publication number
JP2007312367A
JP2007312367A JP2007103687A JP2007103687A JP2007312367A JP 2007312367 A JP2007312367 A JP 2007312367A JP 2007103687 A JP2007103687 A JP 2007103687A JP 2007103687 A JP2007103687 A JP 2007103687A JP 2007312367 A JP2007312367 A JP 2007312367A
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Japan
Prior art keywords
listener
angle
signal processing
signal
axis
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JP2007103687A
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English (en)
Japanese (ja)
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JP2007312367A5 (enExample
Inventor
Hiroyuki Yoshino
浩行 吉野
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Seiko Epson Corp
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Seiko Epson Corp
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Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2007103687A priority Critical patent/JP2007312367A/ja
Priority to US11/736,066 priority patent/US8041049B2/en
Publication of JP2007312367A publication Critical patent/JP2007312367A/ja
Publication of JP2007312367A5 publication Critical patent/JP2007312367A5/ja
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2007103687A 2006-04-18 2007-04-11 超音波スピーカの出力制御方法及び超音波スピーカシステム Withdrawn JP2007312367A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007103687A JP2007312367A (ja) 2006-04-18 2007-04-11 超音波スピーカの出力制御方法及び超音波スピーカシステム
US11/736,066 US8041049B2 (en) 2006-04-18 2007-04-17 Method for controlling output from ultrasonic speaker and ultrasonic speaker system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006114123 2006-04-18
JP2007103687A JP2007312367A (ja) 2006-04-18 2007-04-11 超音波スピーカの出力制御方法及び超音波スピーカシステム

Publications (2)

Publication Number Publication Date
JP2007312367A true JP2007312367A (ja) 2007-11-29
JP2007312367A5 JP2007312367A5 (enExample) 2010-05-27

Family

ID=38822018

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JP2007103687A Withdrawn JP2007312367A (ja) 2006-04-18 2007-04-11 超音波スピーカの出力制御方法及び超音波スピーカシステム

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US (1) US8041049B2 (enExample)
JP (1) JP2007312367A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8180062B2 (en) * 2007-05-30 2012-05-15 Nokia Corporation Spatial sound zooming
SG178241A1 (en) 2009-08-25 2012-03-29 Univ Nanyang Tech A directional sound system
CN104620601A (zh) * 2012-09-14 2015-05-13 Nec卡西欧移动通信株式会社 扬声器设备和电子装置
US9743201B1 (en) * 2013-03-14 2017-08-22 Apple Inc. Loudspeaker array protection management
US10575093B2 (en) 2013-03-15 2020-02-25 Elwha Llc Portable electronic device directed audio emitter arrangement system and method
US10291983B2 (en) 2013-03-15 2019-05-14 Elwha Llc Portable electronic device directed audio system and method
US20140269214A1 (en) * 2013-03-15 2014-09-18 Elwha LLC, a limited liability company of the State of Delaware Portable electronic device directed audio targeted multi-user system and method
US10181314B2 (en) 2013-03-15 2019-01-15 Elwha Llc Portable electronic device directed audio targeted multiple user system and method
US9886941B2 (en) 2013-03-15 2018-02-06 Elwha Llc Portable electronic device directed audio targeted user system and method
US9549270B2 (en) * 2013-09-30 2017-01-17 Covidien Lp Devices and methods for audible indicators emanating from selected locations
US9258651B2 (en) * 2013-10-17 2016-02-09 Turtle Beach Corporation Transparent parametric transducer and related methods
US10051412B2 (en) * 2015-02-25 2018-08-14 Ricoh Company, Ltd. Locational information transmission system, locational information transmission apparatus, and information processing device
US10187724B2 (en) 2017-02-16 2019-01-22 Nanning Fugui Precision Industrial Co., Ltd. Directional sound playing system and method
US20190387088A1 (en) * 2018-06-14 2019-12-19 Qualcomm Incorporated Smart ringtone control
CN116320880B (zh) * 2023-05-25 2023-10-20 荣耀终端有限公司 音频处理方法和装置
KR20250083799A (ko) * 2023-12-01 2025-06-10 삼성전자주식회사 전자 장치 및 전자 장치의 제어 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3422026B2 (ja) * 1993-10-04 2003-06-30 ソニー株式会社 オーディオ再生装置
JP3264249B2 (ja) * 1998-06-15 2002-03-11 日本電気株式会社 自動方位決めスピーカ装置
US7016504B1 (en) * 1999-09-21 2006-03-21 Insonus Medical, Inc. Personal hearing evaluator
IL134979A (en) * 2000-03-09 2004-02-19 Be4 Ltd A system and method for optimizing three-dimensional hearing
SE518418C2 (sv) * 2000-12-28 2002-10-08 Ericsson Telefon Ab L M Ljudbaserad närhetsdetektor
JP2005080227A (ja) * 2003-09-03 2005-03-24 Seiko Epson Corp 音声情報提供方法及び指向型音声情報提供装置

Also Published As

Publication number Publication date
US8041049B2 (en) 2011-10-18
US20070286433A1 (en) 2007-12-13

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