CN120659006A - 高效渲染虚拟声场 - Google Patents

高效渲染虚拟声场

Info

Publication number
CN120659006A
CN120659006A CN202510808983.XA CN202510808983A CN120659006A CN 120659006 A CN120659006 A CN 120659006A CN 202510808983 A CN202510808983 A CN 202510808983A CN 120659006 A CN120659006 A CN 120659006A
Authority
CN
China
Prior art keywords
signals
virtual
sound source
sound
decoder
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
CN202510808983.XA
Other languages
English (en)
Chinese (zh)
Inventor
B·L·施密特
S·C·迪克尔
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.)
Magic Leap Inc
Original Assignee
Magic Leap Inc
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 Magic Leap Inc filed Critical Magic Leap Inc
Publication of CN120659006A publication Critical patent/CN120659006A/zh
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
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • 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
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • 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
    • 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 
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/07—Use of position data from wide-area or local-area positioning systems in hearing devices, e.g. program or information selection
    • 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 
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Otolaryngology (AREA)
  • Stereophonic System (AREA)
CN202510808983.XA 2018-06-12 2019-06-12 高效渲染虚拟声场 Pending CN120659006A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862684093P 2018-06-12 2018-06-12
US62/684,093 2018-06-12
PCT/US2019/036710 WO2019241345A1 (en) 2018-06-12 2019-06-12 Efficient rendering of virtual soundfields
CN201980048983.7A CN112470102B (zh) 2018-06-12 2019-06-12 高效渲染虚拟声场

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201980048983.7A Division CN112470102B (zh) 2018-06-12 2019-06-12 高效渲染虚拟声场

Publications (1)

Publication Number Publication Date
CN120659006A true CN120659006A (zh) 2025-09-16

Family

ID=68764416

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202510808983.XA Pending CN120659006A (zh) 2018-06-12 2019-06-12 高效渲染虚拟声场
CN201980048983.7A Active CN112470102B (zh) 2018-06-12 2019-06-12 高效渲染虚拟声场

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201980048983.7A Active CN112470102B (zh) 2018-06-12 2019-06-12 高效渲染虚拟声场

Country Status (5)

Country Link
US (6) US10667072B2 (https=)
EP (1) EP3807741A4 (https=)
JP (3) JP7397810B2 (https=)
CN (2) CN120659006A (https=)
WO (1) WO2019241345A1 (https=)

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CN117837173B (zh) * 2021-08-27 2025-06-13 北京字跳网络技术有限公司 用于音频渲染的信号处理方法、装置和电子设备
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Also Published As

Publication number Publication date
JP2025131850A (ja) 2025-09-09
US12120499B2 (en) 2024-10-15
WO2019241345A1 (en) 2019-12-19
US20190379992A1 (en) 2019-12-12
US10667072B2 (en) 2020-05-26
US20230139901A1 (en) 2023-05-04
US11843931B2 (en) 2023-12-12
US11134357B2 (en) 2021-09-28
US20200260208A1 (en) 2020-08-13
CN112470102A (zh) 2021-03-09
EP3807741A1 (en) 2021-04-21
JP2023164595A (ja) 2023-11-10
CN112470102B (zh) 2025-07-04
US20220046375A1 (en) 2022-02-10
JP2021527354A (ja) 2021-10-11
JP7699632B2 (ja) 2025-06-27
US20240048933A1 (en) 2024-02-08
JP7397810B2 (ja) 2023-12-13
EP3807741A4 (en) 2021-07-28
US20240414493A1 (en) 2024-12-12
US11546714B2 (en) 2023-01-03

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