JP6641303B2 - 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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JP6641303B2
JP6641303B2 JP2016575018A JP2016575018A JP6641303B2 JP 6641303 B2 JP6641303 B2 JP 6641303B2 JP 2016575018 A JP2016575018 A JP 2016575018A JP 2016575018 A JP2016575018 A JP 2016575018A JP 6641303 B2 JP6641303 B2 JP 6641303B2
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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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    • 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
    • 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
    • G10L19/04—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 using predictive techniques
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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  • Audiology, Speech & Language Pathology (AREA)
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JP2016575018A 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 JP6641303B2 (ja)

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PCT/EP2015/063917 WO2015197516A1 (en) 2014-06-27 2015-06-22 Method for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values

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JP2019237723A Active JP6872002B2 (ja) 2014-06-27 2019-12-27 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
JP2021069477A Active JP7275191B2 (ja) 2014-06-27 2021-04-16 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
JP2023076033A Active JP7516610B2 (ja) 2014-06-27 2023-05-02 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
JP2024107100A Active JP7757471B2 (ja) 2014-06-27 2024-07-03 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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JP2021069477A Active JP7275191B2 (ja) 2014-06-27 2021-04-16 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
JP2023076033A Active JP7516610B2 (ja) 2014-06-27 2023-05-02 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
JP2024107100A Active JP7757471B2 (ja) 2014-06-27 2024-07-03 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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CN113808598B (zh) * 2014-06-27 2025-03-18 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
AU2020299973B2 (en) * 2019-07-02 2025-06-05 Dolby International Ab Methods, apparatus and systems for representation, encoding, and decoding of discrete directivity data
CN117395591A (zh) * 2021-03-05 2024-01-12 华为技术有限公司 Hoa系数的获取方法和装置
CN115346537B (zh) * 2021-05-14 2024-11-29 华为技术有限公司 一种音频编码、解码方法及装置

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EP2743922A1 (en) * 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
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CN107077852B (zh) * 2014-06-27 2020-12-04 杜比国际公司 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示
CN113808598B (zh) * 2014-06-27 2025-03-18 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
EP3860154B1 (en) * 2014-06-27 2024-02-21 Dolby International AB Method for decoding a compressed hoa dataframe representation of a sound field.

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JP2024147600A (ja) 2024-10-16
KR20240047489A (ko) 2024-04-12
KR102655047B1 (ko) 2024-04-08
TW201603002A (zh) 2016-01-16
WO2015197516A1 (en) 2015-12-30
US10621995B2 (en) 2020-04-14
US20170133021A1 (en) 2017-05-11
CN113808600A (zh) 2021-12-17
CN106663434A (zh) 2017-05-10
TWI735083B (zh) 2021-08-01
CN113793618B (zh) 2025-03-21
EP3489953A3 (en) 2019-07-03
EP3489953B8 (en) 2022-06-15
KR20220110616A (ko) 2022-08-08
CN113808599A (zh) 2021-12-17
TW202403729A (zh) 2024-01-16
CN120032652A (zh) 2025-05-23
JP2020060790A (ja) 2020-04-16
JP2021105741A (ja) 2021-07-26
US20190147891A1 (en) 2019-05-16
CN113793618A (zh) 2021-12-14
TW202013356A (zh) 2020-04-01
JP6872002B2 (ja) 2021-05-19
TW202217799A (zh) 2022-05-01
EP4057280B1 (en) 2025-10-15
CN106663434B (zh) 2021-09-28
US20180166084A1 (en) 2018-06-14
TWI681385B (zh) 2020-01-01
JP2023099587A (ja) 2023-07-13
CN113808598A (zh) 2021-12-17
CN113808600B (zh) 2025-04-04
EP3489953A2 (en) 2019-05-29
CN113808598B (zh) 2025-03-18
TWI797658B (zh) 2023-04-01
CN120032651A (zh) 2025-05-23
CN113808599B (zh) 2025-02-21
KR102428425B1 (ko) 2022-08-03
EP3161821B1 (en) 2018-09-26
CN119864039A (zh) 2025-04-22
CN113793617B (zh) 2025-02-21
EP4057280A1 (en) 2022-09-14
US9922657B2 (en) 2018-03-20
JP7757471B2 (ja) 2025-10-21
EP3489953B1 (en) 2022-04-20
JP7275191B2 (ja) 2023-05-17
KR20170023866A (ko) 2017-03-06
US10224044B2 (en) 2019-03-05
EP3161821A1 (en) 2017-05-03
CN113793617A (zh) 2021-12-14
JP7516610B2 (ja) 2024-07-16
JP2017523457A (ja) 2017-08-17

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