JPWO2021090482A1 - - Google Patents

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Publication number
JPWO2021090482A1
JPWO2021090482A1 JP2021554540A JP2021554540A JPWO2021090482A1 JP WO2021090482 A1 JPWO2021090482 A1 JP WO2021090482A1 JP 2021554540 A JP2021554540 A JP 2021554540A JP 2021554540 A JP2021554540 A JP 2021554540A JP WO2021090482 A1 JPWO2021090482 A1 JP WO2021090482A1
Authority
JP
Japan
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Application number
JP2021554540A
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JP7332945B2 (ja
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Publication of JPWO2021090482A1 publication Critical patent/JPWO2021090482A1/ja
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Publication of JP7332945B2 publication Critical patent/JP7332945B2/ja
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2021554540A 2019-11-08 2019-11-08 音場生成装置、音場生成方法、及び音場生成プログラム Active JP7332945B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/043898 WO2021090482A1 (ja) 2019-11-08 2019-11-08 音場生成装置、音場生成方法、及び音場生成プログラム

Publications (2)

Publication Number Publication Date
JPWO2021090482A1 true JPWO2021090482A1 (ja) 2021-05-14
JP7332945B2 JP7332945B2 (ja) 2023-08-24

Family

ID=75849723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021554540A Active JP7332945B2 (ja) 2019-11-08 2019-11-08 音場生成装置、音場生成方法、及び音場生成プログラム

Country Status (3)

Country Link
US (1) US11996897B2 (ja)
JP (1) JP7332945B2 (ja)
WO (1) WO2021090482A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021090482A1 (ja) * 2019-11-08 2021-05-14 日本電信電話株式会社 音場生成装置、音場生成方法、及び音場生成プログラム
CN116388884B (zh) * 2023-06-05 2023-10-20 浙江大学 防窃听超声波干扰样本设计方法、系统及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08149592A (ja) * 1994-11-16 1996-06-07 Sanyo Electric Co Ltd パラメトリックスピーカ制御装置
JP2011239047A (ja) * 2010-05-07 2011-11-24 Nippon Telegr & Teleph Corp <Ntt> 音響再生装置
JP2014023105A (ja) * 2012-07-23 2014-02-03 Toshiba Corp 音響装置
WO2018138876A1 (ja) * 2017-01-27 2018-08-02 三菱電機エンジニアリング株式会社 超指向性音響装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052336A (en) * 1997-05-02 2000-04-18 Lowrey, Iii; Austin Apparatus and method of broadcasting audible sound using ultrasonic sound as a carrier
WO2021090482A1 (ja) * 2019-11-08 2021-05-14 日本電信電話株式会社 音場生成装置、音場生成方法、及び音場生成プログラム
JP7425956B2 (ja) * 2020-06-15 2024-02-01 日本電信電話株式会社 音響エリア再生方法、および、音響エリア再生装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08149592A (ja) * 1994-11-16 1996-06-07 Sanyo Electric Co Ltd パラメトリックスピーカ制御装置
JP2011239047A (ja) * 2010-05-07 2011-11-24 Nippon Telegr & Teleph Corp <Ntt> 音響再生装置
JP2014023105A (ja) * 2012-07-23 2014-02-03 Toshiba Corp 音響装置
WO2018138876A1 (ja) * 2017-01-27 2018-08-02 三菱電機エンジニアリング株式会社 超指向性音響装置

Also Published As

Publication number Publication date
US20220407609A1 (en) 2022-12-22
JP7332945B2 (ja) 2023-08-24
WO2021090482A1 (ja) 2021-05-14
US11996897B2 (en) 2024-05-28

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