JP7754286B2 - 音響システム - Google Patents

音響システム

Info

Publication number
JP7754286B2
JP7754286B2 JP2024510591A JP2024510591A JP7754286B2 JP 7754286 B2 JP7754286 B2 JP 7754286B2 JP 2024510591 A JP2024510591 A JP 2024510591A JP 2024510591 A JP2024510591 A JP 2024510591A JP 7754286 B2 JP7754286 B2 JP 7754286B2
Authority
JP
Japan
Prior art keywords
acoustic signal
speaker unit
speaker
sound
signal
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.)
Active
Application number
JP2024510591A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023187900A1 (https=
Inventor
勝宏 福井
和則 小林
記良 鎌土
洋平 脇阪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2023187900A1 publication Critical patent/JPWO2023187900A1/ja
Application granted granted Critical
Publication of JP7754286B2 publication Critical patent/JP7754286B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04S7/303—Tracking of listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2024510591A 2022-03-28 2022-03-28 音響システム Active JP7754286B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/014992 WO2023187900A1 (ja) 2022-03-28 2022-03-28 音響システム

Publications (2)

Publication Number Publication Date
JPWO2023187900A1 JPWO2023187900A1 (https=) 2023-10-05
JP7754286B2 true JP7754286B2 (ja) 2025-10-15

Family

ID=88199662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024510591A Active JP7754286B2 (ja) 2022-03-28 2022-03-28 音響システム

Country Status (3)

Country Link
US (1) US20250203309A1 (https=)
JP (1) JP7754286B2 (https=)
WO (1) WO2023187900A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250358562A1 (en) * 2024-05-18 2025-11-20 xMEMS Labs, Inc. Wearable Device and Signal Processing Method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003087888A (ja) 2001-09-06 2003-03-20 Onkyo Corp 指向性制御装置および遊戯装置
JP2003087893A (ja) 2001-09-13 2003-03-20 Onkyo Corp スピーカ装置の配置方法、および音響再生装置
JP2005101902A (ja) 2003-09-25 2005-04-14 Yamaha Corp 指向性スピーカ制御システム
JP2010056722A (ja) 2008-08-27 2010-03-11 Sony Corp ハンズフリー通話機能付き音響再生装置およびハンズフリー通話方法
US20100316224A1 (en) 2009-06-12 2010-12-16 Conexant Systems, Inc. Systems and methods for creating immersion surround sound and virtual speakers effects
WO2021192166A1 (ja) 2020-03-26 2021-09-30 日本電信電話株式会社 音響システム
JP2021154807A (ja) 2020-03-26 2021-10-07 パナソニックＩｐマネジメント株式会社 車両近接報知システム、車両および車両近接報知方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0115267Y2 (https=) * 1984-11-28 1989-05-08
EP2630808B1 (en) * 2010-10-20 2019-01-02 DTS, Inc. Stereo image widening system
GB201805523D0 (en) * 2018-04-04 2018-05-16 Pss Belgium Nv Loudspeaker unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003087888A (ja) 2001-09-06 2003-03-20 Onkyo Corp 指向性制御装置および遊戯装置
JP2003087893A (ja) 2001-09-13 2003-03-20 Onkyo Corp スピーカ装置の配置方法、および音響再生装置
JP2005101902A (ja) 2003-09-25 2005-04-14 Yamaha Corp 指向性スピーカ制御システム
JP2010056722A (ja) 2008-08-27 2010-03-11 Sony Corp ハンズフリー通話機能付き音響再生装置およびハンズフリー通話方法
US20100316224A1 (en) 2009-06-12 2010-12-16 Conexant Systems, Inc. Systems and methods for creating immersion surround sound and virtual speakers effects
WO2021192166A1 (ja) 2020-03-26 2021-09-30 日本電信電話株式会社 音響システム
JP2021154807A (ja) 2020-03-26 2021-10-07 パナソニックＩｐマネジメント株式会社 車両近接報知システム、車両および車両近接報知方法

Also Published As

Publication number Publication date
JPWO2023187900A1 (https=) 2023-10-05
WO2023187900A1 (ja) 2023-10-05
US20250203309A1 (en) 2025-06-19

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