EP4124056A4 - Three-dimensional sound system, recording device, and playback device - Google Patents
Three-dimensional sound system, recording device, and playback deviceInfo
- 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
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)
- Stereophonic Arrangements (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020045899A JP2021150695A (en) | 2020-03-17 | 2020-03-17 | Stereophonic sound system, recording device, and reproduction device |
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 (3)
Country | Link |
---|---|
EP (1) | EP4124056A4 (en) |
JP (1) | JP2021150695A (en) |
WO (1) | WO2021186780A1 (en) |
Citations (3)
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)
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 |
-
2020
- 2020-03-17 JP JP2020045899A patent/JP2021150695A/en active Pending
- 2020-10-21 WO PCT/JP2020/039513 patent/WO2021186780A1/en unknown
- 2020-10-21 EP EP20925956.3A patent/EP4124056A4/en active Pending
Patent Citations (3)
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)
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 |
---|---|
WO2021186780A1 (en) | 2021-09-23 |
JP2021150695A (en) | 2021-09-27 |
EP4124056A1 (en) | 2023-01-25 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20220329 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240220 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04R 5/02 20060101ALN20240214BHEP Ipc: H04R 3/12 20060101ALN20240214BHEP Ipc: H04R 3/00 20060101ALN20240214BHEP Ipc: H04S 3/00 20060101ALI20240214BHEP Ipc: H04S 7/00 20060101ALI20240214BHEP Ipc: H04R 1/40 20060101ALI20240214BHEP Ipc: H04R 1/00 20060101AFI20240214BHEP |