WO2020037984A8 - 音频处理方法和装置 - Google Patents

音频处理方法和装置 Download PDF

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Publication number
WO2020037984A8
WO2020037984A8 PCT/CN2019/078781 CN2019078781W WO2020037984A8 WO 2020037984 A8 WO2020037984 A8 WO 2020037984A8 CN 2019078781 W CN2019078781 W CN 2019078781W WO 2020037984 A8 WO2020037984 A8 WO 2020037984A8
Authority
WO
WIPO (PCT)
Prior art keywords
hrtfs
audio signals
obtaining
virtual speakers
processing method
Prior art date
Application number
PCT/CN2019/078781
Other languages
English (en)
French (fr)
Other versions
WO2020037984A1 (zh
Inventor
阿姆斯特朗·卡尔
科尔尼·加文
王宾
刘泽新
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to SG11202101427SA priority Critical patent/SG11202101427SA/en
Priority to EP19850870.7A priority patent/EP3833055A4/en
Priority to BR112021002660-6A priority patent/BR112021002660A2/pt
Publication of WO2020037984A1 publication Critical patent/WO2020037984A1/zh
Publication of WO2020037984A8 publication Critical patent/WO2020037984A8/zh
Priority to US17/179,723 priority patent/US11611841B2/en
Priority to US18/173,542 priority patent/US11910180B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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 
    • 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]
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

本申请实施例提供一种音频处理方法和装置，该方法包括：获取待处理音频信号经过M个第一虚拟扬声器处理后的M个第一音频信号和待处理音频信号经过N个第二虚拟扬声器处理后的N个第二音频信号；获取M个第一HRTF和N个第二HRTF，M个第一HRTF均为以左耳位置为中心的HRTF，N个第二HRTF均为以右耳位置为中心的HRTF；M个第一HRTF与M个第一虚拟扬声器一一对应，N个第二HRTF与N个第二虚拟扬声器一一对应；根据M个第一音频信号和M个第一HRTF，获取第一目标音频信号；根据N个第二音频信号和N个第二HRTF，获取第二目标音频信号。本申请实施例的方法，提高了音频信号接收端输出的音频信号的质量。
PCT/CN2019/078781 2018-08-20 2019-03-19 音频处理方法和装置 WO2020037984A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SG11202101427SA SG11202101427SA (en) 2018-08-20 2019-03-19 Audio processing method and apparatus
EP19850870.7A EP3833055A4 (en) 2018-08-20 2019-03-19 AUDIO PROCESSING METHOD AND DEVICE
BR112021002660-6A BR112021002660A2 (pt) 2018-08-20 2019-03-19 método e dispositivos de processamento de áudio, e meio de armazenamento
US17/179,723 US11611841B2 (en) 2018-08-20 2021-02-19 Audio processing method and apparatus
US18/173,542 US11910180B2 (en) 2018-08-20 2023-02-23 Audio processing method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810950088.1A CN110856094A (zh) 2018-08-20 2018-08-20 音频处理方法和装置
CN201810950088.1 2018-08-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/179,723 Continuation US11611841B2 (en) 2018-08-20 2021-02-19 Audio processing method and apparatus

Publications (2)

Publication Number Publication Date
WO2020037984A1 WO2020037984A1 (zh) 2020-02-27
WO2020037984A8 true WO2020037984A8 (zh) 2020-10-22

Family

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Family Applications (1)

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PCT/CN2019/078781 WO2020037984A1 (zh) 2018-08-20 2019-03-19 音频处理方法和装置

Country Status (6)

Country Link
US (2) US11611841B2 (zh)
EP (1) EP3833055A4 (zh)
CN (2) CN110856094A (zh)
BR (1) BR112021002660A2 (zh)
SG (1) SG11202101427SA (zh)
WO (1) WO2020037984A1 (zh)

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CN113747335A (zh) * 2020-05-29 2021-12-03 华为技术有限公司 音频渲染方法及装置
CN114584913B (zh) * 2020-11-30 2023-05-16 华为技术有限公司 Foa信号和双耳信号的获得方法、声场采集装置及处理装置
CN115376528A (zh) * 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
EP4373138A1 (en) * 2022-11-21 2024-05-22 Universität Wien Obtaining a head-related transfer function

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Also Published As

Publication number Publication date
EP3833055A1 (en) 2021-06-09
CN115866505A (zh) 2023-03-28
SG11202101427SA (en) 2021-03-30
US20230199424A1 (en) 2023-06-22
EP3833055A4 (en) 2021-09-22
CN110856094A (zh) 2020-02-28
US11910180B2 (en) 2024-02-20
BR112021002660A2 (pt) 2021-05-11
US20210176584A1 (en) 2021-06-10
US11611841B2 (en) 2023-03-21
WO2020037984A1 (zh) 2020-02-27

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