CN111179949B - 对压缩的高阶高保真立体声(hoa)表示进行解码的方法和装置以及介质 - Google Patents

对压缩的高阶高保真立体声(hoa)表示进行解码的方法和装置以及介质 Download PDF

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CN111179949B
CN111179949B CN202010011895.4A CN202010011895A CN111179949B CN 111179949 B CN111179949 B CN 111179949B CN 202010011895 A CN202010011895 A CN 202010011895A CN 111179949 B CN111179949 B CN 111179949B
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hoa
signal
component
representation
ambient
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CN111179949A (zh
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S·科尔多恩
A·克鲁格
O·伍埃博尔特
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Dolby International AB
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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 using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202010011895.4A 2014-03-21 2015-03-20 对压缩的高阶高保真立体声(hoa)表示进行解码的方法和装置以及介质 Active CN111179949B (zh)

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EP14305411.2 2014-03-21
EP14305411.2A EP2922057A1 (en) 2014-03-21 2014-03-21 Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
CN201580014972.9A CN106463123B (zh) 2014-03-21 2015-03-20 对压缩的高阶高保真立体声(hoa)表示进行解码的方法及装置
PCT/EP2015/055914 WO2015140291A1 (en) 2014-03-21 2015-03-20 Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal

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CN202010011881.2A Active CN111179948B (zh) 2014-03-21 2015-03-20 对压缩的高阶高保真立体声(hoa)表示进行解码的方法和装置以及介质
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CN202010011881.2A Active CN111179948B (zh) 2014-03-21 2015-03-20 对压缩的高阶高保真立体声(hoa)表示进行解码的方法和装置以及介质
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KR20230156453A (ko) 2023-11-14
JP6416352B2 (ja) 2018-10-31
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TW202309877A (zh) 2023-03-01
US20170180902A1 (en) 2017-06-22
US20250080934A1 (en) 2025-03-06
JP7749766B2 (ja) 2025-10-06
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EP3686887A1 (en) 2020-07-29
US20190342686A1 (en) 2019-11-07
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CN111179948A (zh) 2020-05-19
JP7174810B6 (ja) 2022-12-20
CN111145766B (zh) 2022-06-24
KR20200097813A (ko) 2020-08-19
CN111145766A (zh) 2020-05-12
JP2018205783A (ja) 2018-12-27
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KR20180086512A (ko) 2018-07-31
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US10779104B2 (en) 2020-09-15
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US10542364B2 (en) 2020-01-21
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JP2017227930A (ja) 2017-12-28
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