EP4124056A4 - Three-dimensional sound system, recording device, and playback device - Google Patents

Three-dimensional sound system, recording device, and playback device

Info

Publication number
EP4124056A4
EP4124056A4 EP20925956.3A EP20925956A EP4124056A4 EP 4124056 A4 EP4124056 A4 EP 4124056A4 EP 20925956 A EP20925956 A EP 20925956A EP 4124056 A4 EP4124056 A4 EP 4124056A4
Authority
EP
European Patent Office
Prior art keywords
sound system
dimensional sound
recording device
playback device
playback
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.)
Pending
Application number
EP20925956.3A
Other languages
German (de)
French (fr)
Other versions
EP4124056A1 (en
Inventor
Yosuke Tanabe
Genta Yamauchi
Toru KAMEKAWA
Atsushi MARUI
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.)
Hitachi Ltd
Tokyo University of the Arts NUC
Original Assignee
Hitachi Ltd
Tokyo University of the Arts NUC
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
Priority claimed from JP2020045899A external-priority patent/JP7511199B2/en
Application filed by Hitachi Ltd, Tokyo University of the Arts NUC filed Critical Hitachi Ltd
Publication of EP4124056A1 publication Critical patent/EP4124056A1/en
Publication of EP4124056A4 publication Critical patent/EP4124056A4/en
Pending legal-status Critical Current

Links

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
    • H04R1/32—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
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • 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
    • H04S2400/09—Electronic reduction of distortion of stereophonic sound systems
    • 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
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereophonic Arrangements (AREA)
EP20925956.3A 2020-03-17 2020-10-21 Three-dimensional sound system, recording device, and playback device Pending EP4124056A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020045899A JP7511199B2 (en) 2020-03-17 3D Sound System
PCT/JP2020/039513 WO2021186780A1 (en) 2020-03-17 2020-10-21 Three-dimensional sound system, recording device, and playback device

Publications (2)

Publication Number Publication Date
EP4124056A1 EP4124056A1 (en) 2023-01-25
EP4124056A4 true EP4124056A4 (en) 2024-03-20

Family

ID=77771145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20925956.3A Pending EP4124056A4 (en) 2020-03-17 2020-10-21 Three-dimensional sound system, recording device, and playback device

Country Status (2)

Country Link
EP (1) EP4124056A4 (en)
WO (1) WO2021186780A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512155A1 (en) * 1985-04-03 1985-10-31 Gerhard 4330 Mülheim Woywod Electroacoustic arrangement for directionally orientated three-dimensional hearing
US5260920A (en) * 1990-06-19 1993-11-09 Yamaha Corporation Acoustic space reproduction method, sound recording device and sound recording medium
DE102014211224A1 (en) * 2014-06-12 2015-05-13 Sennheiser Electronic Gmbh & Co. Kg Speaker system and microphone system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61262000A (en) * 1985-05-15 1986-11-20 Nippon Gakki Seizo Kk Sound room
JP7020203B2 (en) 2018-03-13 2022-02-16 株式会社竹中工務店 Ambisonics signal generator, sound field reproduction device, and ambisonics signal generation method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512155A1 (en) * 1985-04-03 1985-10-31 Gerhard 4330 Mülheim Woywod Electroacoustic arrangement for directionally orientated three-dimensional hearing
US5260920A (en) * 1990-06-19 1993-11-09 Yamaha Corporation Acoustic space reproduction method, sound recording device and sound recording medium
DE102014211224A1 (en) * 2014-06-12 2015-05-13 Sennheiser Electronic Gmbh & Co. Kg Speaker system and microphone system

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DIAZ CHRISTOPHER: "Three Etudes for Symmetrical Cuboctahedral Speaker Array: An Exploration of Aural Space- Time Symmetry", UC RIVERSIDE ELECTRONIC THESES AND DISSERTATIONS, 1 December 2019 (2019-12-01), pages IV-VIII, 1 - 94, XP055859352, Retrieved from the Internet <URL:https://escholarship.org/content/qt0032x4pv/qt0032x4pv.pdf> [retrieved on 20211109] *
DICKINS GLENN ET AL: "Validation of Soundfield Duplication for Device Testing", CONFERENCE: 2016 AES INTERNATIONAL CONFERENCE ON SOUND FIELD CONTROL; JULY 2016, AES, 60 EAST 42ND STREET, ROOM 2520 NEW YORK 10165-2520, USA, 14 July 2016 (2016-07-14), XP040680856 *
See also references of WO2021186780A1 *
YOKOYAMA SAKAE ET AL: "6-channel recording/reproduction system for 3-dimensional auralization of sound fields.", ACOUSTICAL SCIENCE AND TECHNOLOGY, vol. 23, no. 2, 1 January 2002 (2002-01-01), JP, pages 97 - 103, XP055859359, ISSN: 1346-3969, Retrieved from the Internet <URL:https://www.jstage.jst.go.jp/article/ast/23/2/23_2_97/_pdf/-char/en> DOI: 10.1250/ast.23.97 *

Also Published As

Publication number Publication date
EP4124056A1 (en) 2023-01-25
WO2021186780A1 (en) 2021-09-23
JP2021150695A (en) 2021-09-27

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