CN107211209B - 用于减小超声波音频系统中的失真的方法和系统 - Google Patents

用于减小超声波音频系统中的失真的方法和系统 Download PDF

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Publication number
CN107211209B
CN107211209B CN201580075695.2A CN201580075695A CN107211209B CN 107211209 B CN107211209 B CN 107211209B CN 201580075695 A CN201580075695 A CN 201580075695A CN 107211209 B CN107211209 B CN 107211209B
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China
Prior art keywords
audio signal
presetting
error
error function
function
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CN201580075695.2A
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Chinese (zh)
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CN107211209A (zh
Inventor
B·A·卡普斯
E·G·诺里斯
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Turtle Beach Corp
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Turtle Beach Corp
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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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)
CN201580075695.2A 2014-12-10 2015-11-23 用于减小超声波音频系统中的失真的方法和系统 Active CN107211209B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/566,592 US9432785B2 (en) 2014-12-10 2014-12-10 Error correction for ultrasonic audio systems
US14/566,592 2014-12-10
PCT/US2015/062207 WO2016094075A1 (en) 2014-12-10 2015-11-23 Error correction for ultrasonic audio systems

Publications (2)

Publication Number Publication Date
CN107211209A CN107211209A (zh) 2017-09-26
CN107211209B true CN107211209B (zh) 2019-06-28

Family

ID=54784035

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580075695.2A Active CN107211209B (zh) 2014-12-10 2015-11-23 用于减小超声波音频系统中的失真的方法和系统

Country Status (6)

Country Link
US (1) US9432785B2 (enExample)
EP (1) EP3231192B1 (enExample)
JP (1) JP6559237B2 (enExample)
CN (1) CN107211209B (enExample)
ES (1) ES2690749T3 (enExample)
WO (1) WO2016094075A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10181314B2 (en) 2013-03-15 2019-01-15 Elwha Llc Portable electronic device directed audio targeted multiple user system and method
US20140269207A1 (en) * 2013-03-15 2014-09-18 Elwha Llc Portable Electronic Device Directed Audio Targeted User System and Method
US10575093B2 (en) 2013-03-15 2020-02-25 Elwha Llc Portable electronic device directed audio emitter arrangement system and method
US10531190B2 (en) 2013-03-15 2020-01-07 Elwha Llc Portable electronic device directed audio system and method
US20140269196A1 (en) * 2013-03-15 2014-09-18 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
US10333109B2 (en) 2017-06-09 2019-06-25 Production Resource Group, L.L.C. Visual-display structure having a metal contrast enhancer, and visual displays made therewith
US10154149B1 (en) * 2018-03-15 2018-12-11 Motorola Solutions, Inc. Audio framework extension for acoustic feedback suppression
KR101981575B1 (ko) * 2018-10-29 2019-05-23 캐치플로우(주) 초지향성 초음파 스피커 장치의 음질개선 방법 및 이를 구비한 초음파 스피커 장치
CN113300783A (zh) * 2021-04-27 2021-08-24 厦门亿联网络技术股份有限公司 超声波传递数据方法、装置及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6584205B1 (en) * 1999-08-26 2003-06-24 American Technology Corporation Modulator processing for a parametric speaker system
CN103004234A (zh) * 2010-07-22 2013-03-27 皇家飞利浦电子股份有限公司 参量扬声器的驱动
CN103688555A (zh) * 2011-05-23 2014-03-26 森迪亚逻辑有限公司 减少失真

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7391872B2 (en) 1999-04-27 2008-06-24 Frank Joseph Pompei Parametric audio system
US7564981B2 (en) * 2003-10-23 2009-07-21 American Technology Corporation Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
SG115665A1 (en) 2004-04-06 2005-10-28 Sony Corp Method and apparatus to generate an audio beam with high quality
KR100622078B1 (ko) * 2005-11-21 2006-09-13 주식회사 솔리토닉스 초지향성 스피커 시스템 및 신호처리 방법
US8866559B2 (en) * 2010-03-17 2014-10-21 Frank Joseph Pompei Hybrid modulation method for parametric audio system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6584205B1 (en) * 1999-08-26 2003-06-24 American Technology Corporation Modulator processing for a parametric speaker system
CN103004234A (zh) * 2010-07-22 2013-03-27 皇家飞利浦电子股份有限公司 参量扬声器的驱动
CN103688555A (zh) * 2011-05-23 2014-03-26 森迪亚逻辑有限公司 减少失真

Also Published As

Publication number Publication date
WO2016094075A1 (en) 2016-06-16
CN107211209A (zh) 2017-09-26
JP2017537564A (ja) 2017-12-14
US9432785B2 (en) 2016-08-30
JP6559237B2 (ja) 2019-08-14
ES2690749T3 (es) 2018-11-22
EP3231192A1 (en) 2017-10-18
US20160174003A1 (en) 2016-06-16
EP3231192B1 (en) 2018-09-12

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