JP6641304B2 - 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置 - Google Patents

非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置 Download PDF

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JP6641304B2
JP6641304B2 JP2016575019A JP2016575019A JP6641304B2 JP 6641304 B2 JP6641304 B2 JP 6641304B2 JP 2016575019 A JP2016575019 A JP 2016575019A JP 2016575019 A JP2016575019 A JP 2016575019A JP 6641304 B2 JP6641304 B2 JP 6641304B2
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クルーガー,アレクサンダー
コルドン,スヴェン
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ドルビー・インターナショナル・アーベー
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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
    • G10L19/04Speech 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
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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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JP2016575019A 2014-06-27 2015-06-22 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置 Active JP6641304B2 (ja)

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JP2021071874A Active JP7267340B2 (ja) 2014-06-27 2021-04-21 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置
JP2023068243A Active JP7512470B2 (ja) 2014-06-27 2023-04-19 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置
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JP2021071874A Active JP7267340B2 (ja) 2014-06-27 2021-04-21 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置
JP2023068243A Active JP7512470B2 (ja) 2014-06-27 2023-04-19 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置
JP2024102467A Active JP7751696B2 (ja) 2014-06-27 2024-06-26 非差分的な利得値を表現するのに必要とされる最低整数ビット数をhoaデータ・フレーム表現の圧縮のために決定する装置

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CN113314129B (zh) * 2021-04-30 2022-08-05 北京大学 一种适应环境的声场重放空间解码方法
CN113345448B (zh) * 2021-05-12 2022-08-05 北京大学 一种基于独立成分分析的hoa信号压缩方法
CN115376530A (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
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
CN115376529B (zh) * 2021-05-17 2024-10-11 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统

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JP2017523458A (ja) 2017-08-17
EP3162086A1 (en) 2017-05-03
KR20220141920A (ko) 2022-10-20
US10580426B2 (en) 2020-03-03
JP7512470B2 (ja) 2024-07-08
KR102381202B1 (ko) 2022-04-01
TW202013355A (zh) 2020-04-01
KR102654275B1 (ko) 2024-04-04
TW202418268A (zh) 2024-05-01
KR20220044865A (ko) 2022-04-11
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JP2023083435A (ja) 2023-06-15
CN110415712B (zh) 2023-12-12
CN110459229A (zh) 2019-11-15
CN110556120A (zh) 2019-12-10
US10262670B2 (en) 2019-04-16
CN110662158B (zh) 2021-05-25
TW201603001A (zh) 2016-01-16
CN110556120B (zh) 2023-02-28
US20180005641A1 (en) 2018-01-04
KR102454747B1 (ko) 2022-10-17
US10037764B2 (en) 2018-07-31
WO2015197514A1 (en) 2015-12-30
CN106471822A (zh) 2017-03-01
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