JPWO2021187335A1 - - Google Patents

Info

Publication number
JPWO2021187335A1
JPWO2021187335A1 JP2022508300A JP2022508300A JPWO2021187335A1 JP WO2021187335 A1 JPWO2021187335 A1 JP WO2021187335A1 JP 2022508300 A JP2022508300 A JP 2022508300A JP 2022508300 A JP2022508300 A JP 2022508300A JP WO2021187335 A1 JPWO2021187335 A1 JP WO2021187335A1
Authority
JP
Japan
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
JP2022508300A
Other versions
JPWO2021187335A5 (ja
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 filed Critical
Publication of JPWO2021187335A1 publication Critical patent/JPWO2021187335A1/ja
Publication of JPWO2021187335A5 publication Critical patent/JPWO2021187335A5/ja
Pending legal-status Critical Current

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
    • H04S7/304—For headphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • 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
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2022508300A 2020-03-16 2021-03-11 Pending JPWO2021187335A1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062990018P 2020-03-16 2020-03-16
JP2020174083 2020-10-15
PCT/JP2021/009919 WO2021187335A1 (ja) 2020-03-16 2021-03-11 音響再生方法、音響再生装置およびプログラム

Publications (2)

Publication Number Publication Date
JPWO2021187335A1 true JPWO2021187335A1 (ja) 2021-09-23
JPWO2021187335A5 JPWO2021187335A5 (ja) 2024-03-21

Family

ID=77772049

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022508300A Pending JPWO2021187335A1 (ja) 2020-03-16 2021-03-11

Country Status (5)

Country Link
US (1) US20230007432A1 (ja)
EP (1) EP4124071A4 (ja)
JP (1) JPWO2021187335A1 (ja)
CN (1) CN115336290A (ja)
WO (1) WO2021187335A1 (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006333067A (ja) * 2005-05-26 2006-12-07 Nippon Telegr & Teleph Corp <Ntt> 音像位置定位方法、音像位置定位装置
US9716939B2 (en) * 2014-01-06 2017-07-25 Harman International Industries, Inc. System and method for user controllable auditory environment customization
JP6665379B2 (ja) * 2015-11-11 2020-03-13 株式会社国際電気通信基礎技術研究所 聴覚支援システムおよび聴覚支援装置
EP3566466A4 (en) * 2017-01-05 2020-08-05 Noveto Systems Ltd. AUDIO COMMUNICATIONS SYSTEM AND METHOD
CN110634189B (zh) * 2018-06-25 2023-11-07 苹果公司 用于在沉浸式混合现实体验期间用户警报的系统和方法
US10506362B1 (en) * 2018-10-05 2019-12-10 Bose Corporation Dynamic focus for audio augmented reality (AR)

Also Published As

Publication number Publication date
EP4124071A4 (en) 2023-08-30
US20230007432A1 (en) 2023-01-05
CN115336290A (zh) 2022-11-11
WO2021187335A1 (ja) 2021-09-23
EP4124071A1 (en) 2023-01-25

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Legal Events

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Effective date: 20220912

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