JP2020060790A5 - - Google Patents

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JP2020060790A5
JP2020060790A5 JP2019237723A JP2019237723A JP2020060790A5 JP 2020060790 A5 JP2020060790 A5 JP 2020060790A5 JP 2019237723 A JP2019237723 A JP 2019237723A JP 2019237723 A JP2019237723 A JP 2019237723A JP 2020060790 A5 JP2020060790 A5 JP 2020060790A5
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Japan
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hoa
sound
compressed
bitstream
sound representation
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JP2019237723A
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JP2020060790A (ja
JP6872002B2 (ja
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JP2019237723A 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 Active JP6872002B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021069477A 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

Applications Claiming Priority (2)

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EP14306026 2014-06-27
EP14306026.7 2014-06-27

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JP2016575018A Division JP6641303B2 (ja) 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

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JP2021069477A Division 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

Publications (3)

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JP2020060790A JP2020060790A (ja) 2020-04-16
JP2020060790A5 true JP2020060790A5 (https=) 2020-12-10
JP6872002B2 JP6872002B2 (ja) 2021-05-19

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Family Applications (6)

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JP2016575018A Active JP6641303B2 (ja) 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
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
JP2025169821A Pending JP2026009133A (ja) 2014-06-27 2025-10-08 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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JP2016575018A Active JP6641303B2 (ja) 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

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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
JP2025169821A Pending JP2026009133A (ja) 2014-06-27 2025-10-08 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

Country Status (7)

Country Link
US (3) US9922657B2 (https=)
EP (4) EP4057280B1 (https=)
JP (6) JP6641303B2 (https=)
KR (3) KR102655047B1 (https=)
CN (9) CN120032651A (https=)
TW (3) TWI735083B (https=)
WO (1) WO2015197516A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR102655047B1 (ko) * 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
CA3145444A1 (en) * 2019-07-02 2021-01-07 Dolby International Ab Methods, apparatus and systems for representation, encoding, and decoding of discrete directivity data
CN117041856A (zh) * 2021-03-05 2023-11-10 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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US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
SE522453C2 (sv) * 2000-02-28 2004-02-10 Scania Cv Ab Sätt och anordning för styrning av ett mekaniskt tillsatsaggregat i ett motorfordon
CN1138254C (zh) * 2001-03-19 2004-02-11 北京阜国数字技术有限公司 一种基于小波变换的音频信号压缩编/解码方法
EP1513137A1 (en) * 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Speech processing system and method with multi-pulse excitation
ATE390683T1 (de) * 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
JP5434592B2 (ja) 2007-06-27 2014-03-05 日本電気株式会社 オーディオ符号化方法、オーディオ復号方法、オーディオ符号化装置、オーディオ復号装置、プログラム、およびオーディオ符号化・復号システム
EP2094032A1 (en) * 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
CN102510464B (zh) * 2008-09-17 2015-04-22 松下电器产业株式会社 记录方法、再现装置和集成电路
TWI529703B (zh) * 2010-02-11 2016-04-11 杜比實驗室特許公司 用以非破壞地正常化可攜式裝置中音訊訊號響度之系統及方法
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KR101698439B1 (ko) * 2010-04-09 2017-01-20 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
EP2451196A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
CN102760437B (zh) * 2011-04-29 2014-03-12 上海交通大学 实时声道控制转换的音频解码装置
EP2541547A1 (en) * 2011-06-30 2013-01-02 Thomson Licensing Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP2688066A1 (en) * 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
CN107071687B (zh) * 2012-07-16 2020-02-14 杜比国际公司 用于渲染音频声场表示以供音频回放的方法和设备
EP2733963A1 (en) * 2012-11-14 2014-05-21 Thomson Licensing Method and apparatus for facilitating listening to a sound signal for matrixed sound signals
EP2738962A1 (en) * 2012-11-29 2014-06-04 Thomson Licensing Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field
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
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
KR102655047B1 (ko) * 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
KR20250051142A (ko) * 2014-06-27 2025-04-16 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현
EP4354432B1 (en) * 2014-06-27 2026-03-11 Dolby International AB 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
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

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