JP2023099587A5 - - Google Patents
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- JP2023099587A5 JP2023099587A5 JP2023076033A JP2023076033A JP2023099587A5 JP 2023099587 A5 JP2023099587 A5 JP 2023099587A5 JP 2023076033 A JP2023076033 A JP 2023076033A JP 2023076033 A JP2023076033 A JP 2023076033A JP 2023099587 A5 JP2023099587 A5 JP 2023099587A5
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- JP
- Japan
- Prior art keywords
- hoa
- representation
- sound
- compressed
- sound representation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 238000003786 synthesis reaction Methods 0.000 claims 3
- 239000011159 matrix material Substances 0.000 claims 2
- 238000009877 rendering Methods 0.000 claims 2
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024107100A 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 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 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14306026 | 2014-06-27 | ||
| EP14306026.7 | 2014-06-27 | ||
| 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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024107100A Division 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023099587A JP2023099587A (ja) | 2023-07-13 |
| JP2023099587A5 true JP2023099587A5 (https=) | 2024-03-26 |
| JP7516610B2 JP7516610B2 (ja) | 2024-07-16 |
Family
ID=51178841
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| 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 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994012972A1 (en) * | 1992-11-30 | 1994-06-09 | Digital Voice Systems, Inc. | Method and apparatus for quantization of harmonic amplitudes |
| 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 |
| KR102294460B1 (ko) * | 2010-03-26 | 2021-08-27 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
| 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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2015
- 2015-06-22 KR KR1020227026372A patent/KR102655047B1/ko active Active
- 2015-06-22 JP JP2016575018A patent/JP6641303B2/ja active Active
- 2015-06-22 EP EP22165452.8A patent/EP4057280B1/en active Active
- 2015-06-22 KR KR1020167036543A patent/KR102428425B1/ko active Active
- 2015-06-22 CN CN202510186185.8A patent/CN120032651A/zh active Pending
- 2015-06-22 US US15/319,711 patent/US9922657B2/en active Active
- 2015-06-22 EP EP15732579.6A patent/EP3161821B1/en active Active
- 2015-06-22 CN CN202111089841.0A patent/CN113808600B/zh active Active
- 2015-06-22 CN CN202111089793.5A patent/CN113793617B/zh active Active
- 2015-06-22 CN CN202510112715.4A patent/CN119864039A/zh active Pending
- 2015-06-22 EP EP25206200.5A patent/EP4712074A2/en active Pending
- 2015-06-22 CN CN202111089783.1A patent/CN113808598B/zh active Active
- 2015-06-22 CN CN201580035127.XA patent/CN106663434B/zh active Active
- 2015-06-22 KR KR1020247011011A patent/KR20240047489A/ko active Pending
- 2015-06-22 CN CN202510186602.9A patent/CN120032652A/zh active Pending
- 2015-06-22 WO PCT/EP2015/063917 patent/WO2015197516A1/en not_active Ceased
- 2015-06-22 CN CN202111089797.3A patent/CN113808599B/zh active Active
- 2015-06-22 EP EP18196350.5A patent/EP3489953B8/en active Active
- 2015-06-22 CN CN202111089981.8A patent/CN113793618B/zh active Active
- 2015-06-26 TW TW108142370A patent/TWI735083B/zh active
- 2015-06-26 TW TW110123995A patent/TWI797658B/zh active
- 2015-06-26 TW TW104120628A patent/TWI681385B/zh active
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2018
- 2018-02-07 US US15/891,066 patent/US10224044B2/en active Active
- 2018-12-03 US US16/208,284 patent/US10621995B2/en active Active
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2019
- 2019-12-27 JP JP2019237723A patent/JP6872002B2/ja active Active
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2021
- 2021-04-16 JP JP2021069477A patent/JP7275191B2/ja active Active
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2023
- 2023-05-02 JP JP2023076033A patent/JP7516610B2/ja active Active
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2024
- 2024-07-03 JP JP2024107100A patent/JP7757471B2/ja active Active
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2025
- 2025-10-08 JP JP2025169821A patent/JP2026009133A/ja active Pending
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