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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- JP
- Japan
- Prior art keywords
- hoa
- sound
- compressed
- bitstream
- 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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- 239000011159 matrix material Substances 0.000 claims 2
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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14306026.7 | 2014-06-27 | ||
| EP14306026 | 2014-06-27 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Related Child 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020060790A JP2020060790A (ja) | 2020-04-16 |
| JP2020060790A5 true JP2020060790A5 (enExample) | 2020-12-10 |
| JP6872002B2 JP6872002B2 (ja) | 2021-05-19 |
Family
ID=51178841
Family Applications (5)
| 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 |
Family Applications Before (1)
| 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 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US9922657B2 (enExample) |
| EP (3) | EP4057280B1 (enExample) |
| JP (5) | JP6641303B2 (enExample) |
| KR (3) | KR102428425B1 (enExample) |
| CN (9) | CN113808598B (enExample) |
| TW (4) | TW202403729A (enExample) |
| WO (1) | WO2015197516A1 (enExample) |
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 |
| 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 |
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 |
| CN1926607B (zh) * | 2004-03-01 | 2011-07-06 | 杜比实验室特许公司 | 多信道音频编码 |
| US8788264B2 (en) | 2007-06-27 | 2014-07-22 | Nec Corporation | Audio encoding method, audio decoding method, audio encoding device, audio decoding device, program, and audio encoding/decoding system |
| 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 |
| ES2547545T3 (es) * | 2008-09-17 | 2015-10-07 | Panasonic Intellectual Property Management Co., Ltd. | Medio de grabación, dispositivo de reproducción y circuito integrado |
| 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 |
| AU2011231565B2 (en) * | 2010-03-26 | 2014-08-28 | Dolby International Ab | Method and device for decoding an audio soundfield representation for audio playback |
| BR122019013299B1 (pt) * | 2010-04-09 | 2021-01-05 | Dolby International Ab | aparelho e método para emitir um sinal de áudio esterofônico possuindo um canal esquerdo e um canal direito e meio legível por computador não transitório |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| 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 |
| 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 |
| JP6230602B2 (ja) | 2012-07-16 | 2017-11-15 | ドルビー・インターナショナル・アーベー | オーディオ再生のためのオーディオ音場表現をレンダリングするための方法および装置 |
| 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 |
| 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 |
| 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. |
-
2015
- 2015-06-22 CN CN202111089783.1A patent/CN113808598B/zh active Active
- 2015-06-22 US US15/319,711 patent/US9922657B2/en active Active
- 2015-06-22 CN CN202111089793.5A patent/CN113793617B/zh active Active
- 2015-06-22 CN CN202111089797.3A patent/CN113808599B/zh 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 CN CN202510112715.4A patent/CN119864039A/zh active Pending
- 2015-06-22 CN CN202111089841.0A patent/CN113808600B/zh active Active
- 2015-06-22 EP EP18196350.5A patent/EP3489953B8/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 CN CN201580035127.XA patent/CN106663434B/zh active Active
- 2015-06-22 CN CN202111089981.8A patent/CN113793618B/zh active Active
- 2015-06-22 WO PCT/EP2015/063917 patent/WO2015197516A1/en not_active Ceased
- 2015-06-22 CN CN202510186602.9A patent/CN120032652A/zh active Pending
- 2015-06-22 KR KR1020227026372A patent/KR102655047B1/ko active Active
- 2015-06-22 KR KR1020247011011A patent/KR20240047489A/ko active Pending
- 2015-06-22 EP EP15732579.6A patent/EP3161821B1/en active Active
- 2015-06-26 TW TW112108235A patent/TW202403729A/zh unknown
- 2015-06-26 TW TW104120628A patent/TWI681385B/zh active
- 2015-06-26 TW TW110123995A patent/TWI797658B/zh active
- 2015-06-26 TW TW108142370A patent/TWI735083B/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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