CN111133509A - 一种立体声信号处理方法及装置 - Google Patents

一种立体声信号处理方法及装置 Download PDF

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CN111133509A
CN111133509A CN201780090879.5A CN201780090879A CN111133509A CN 111133509 A CN111133509 A CN 111133509A CN 201780090879 A CN201780090879 A CN 201780090879A CN 111133509 A CN111133509 A CN 111133509A
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CN111133509B (zh
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艾雅·苏谟特
李海婷
苗磊
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Huawei Technologies Co Ltd
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    • 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 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Audiology, Speech & Language Pathology (AREA)
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  • Mathematical Physics (AREA)
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
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Abstract

一种立体声信号处理方法及装置，其中方法包括：对当前帧的立体声信号进行时延估计，确定所述当前帧的声道间时间差；所述当前帧的声道间时间差为所述当前帧的第一声道信号与所述当前帧的第二声道信号之间的时间差；若所述当前帧的声道间时间差的符号与所述当前帧的前一帧的声道间时间差的符号不同，则根据所述当前帧的声道间时间差对所述当前帧的第一声道信号进行时延对齐处理、根据所述前一帧的声道间时间差对所述当前帧的第二声道信号进行时延对齐处理；所述第一声道信号为所述当前帧的目标声道信号，所述第二声道信号与所述前一帧的目标声道信号处于相同声道。

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PCT国内申请，说明书已公开。

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  1. PCT国内申请，权利要求书已公开。
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KR102281614B1 (ko) 2021-07-29
CN115641855A (zh) 2023-01-24
CN108877815B (zh) 2021-02-23
JP7248745B2 (ja) 2023-03-29
EP3916725B1 (en) 2022-11-30
CN108877815A (zh) 2018-11-23
US20200082834A1 (en) 2020-03-12
BR112019024128A2 (pt) 2020-06-02
KR20210095220A (ko) 2021-07-30
EP3611726B1 (en) 2021-06-02
WO2018209942A1 (zh) 2018-11-22
ES2939311T3 (es) 2023-04-20
JP6907341B2 (ja) 2021-07-21
JP2021167965A (ja) 2021-10-21
US11763825B2 (en) 2023-09-19
KR102524957B1 (ko) 2023-04-25
EP4198972A1 (en) 2023-06-21
KR20220061250A (ko) 2022-05-12
JP2023085339A (ja) 2023-06-20
EP3611726A1 (en) 2020-02-19
ES2886505T3 (es) 2021-12-20
JP2020520478A (ja) 2020-07-09
US20230395083A1 (en) 2023-12-07
KR102391266B1 (ko) 2022-04-28
KR20190141750A (ko) 2019-12-24
DK3916725T3 (da) 2023-02-20
EP3611726A4 (en) 2020-03-25
KR20230059178A (ko) 2023-05-03
US20220051680A1 (en) 2022-02-17
EP3916725A1 (en) 2021-12-01
US11200907B2 (en) 2021-12-14
CN111133509B (zh) 2022-11-08

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