JP2023083435A5 - - Google Patents
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- JP2023083435A5 JP2023083435A5 JP2023068243A JP2023068243A JP2023083435A5 JP 2023083435 A5 JP2023083435 A5 JP 2023083435A5 JP 2023068243 A JP2023068243 A JP 2023068243A JP 2023068243 A JP2023068243 A JP 2023068243A JP 2023083435 A5 JP2023083435 A5 JP 2023083435A5
- Authority
- 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 |
|---|---|---|---|
| JP2024102467A 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 |
| JP2025159676A JP2026009948A (ja) | 2014-06-27 | 2025-09-26 | 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 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14306024.2 | 2014-06-27 | ||
| EP14306024 | 2014-06-27 | ||
| JP2019237716A JP6874115B2 (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 |
| JP2021071874A 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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021071874A Division 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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024102467A Division 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023083435A JP2023083435A (ja) | 2023-06-15 |
| JP2023083435A5 true JP2023083435A5 (https=) | 2024-03-27 |
| JP7512470B2 JP7512470B2 (ja) | 2024-07-08 |
Family
ID=51178840
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016575019A Active JP6641304B2 (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 |
| JP2019237716A Active JP6874115B2 (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 |
| 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 |
| JP2025159676A Pending JP2026009948A (ja) | 2014-06-27 | 2025-09-26 | 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 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016575019A Active JP6641304B2 (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 |
| JP2019237716A Active JP6874115B2 (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 |
| 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 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| JP2025159676A Pending JP2026009948A (ja) | 2014-06-27 | 2025-09-26 | 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 |
Country Status (8)
| Country | Link |
|---|---|
| US (4) | US9792924B2 (https=) |
| EP (4) | EP3162086B1 (https=) |
| JP (6) | JP6641304B2 (https=) |
| KR (5) | KR20250085845A (https=) |
| CN (7) | CN110459229B (https=) |
| ES (1) | ES2974440T3 (https=) |
| TW (4) | TWI809394B (https=) |
| WO (1) | WO2015197514A1 (https=) |
Families Citing this family (17)
| 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 |
| US9922657B2 (en) * | 2014-06-27 | 2018-03-20 | Dolby Laboratories Licensing Corporation | 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 |
| 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 |
| DE102016104665A1 (de) * | 2016-03-14 | 2017-09-14 | Ask Industries Gmbh | Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals |
| US10332530B2 (en) | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| US10015618B1 (en) * | 2017-08-01 | 2018-07-03 | Google Llc | Incoherent idempotent ambisonics rendering |
| US10264386B1 (en) * | 2018-02-09 | 2019-04-16 | Google Llc | Directional emphasis in ambisonics |
| GB2572761A (en) * | 2018-04-09 | 2019-10-16 | Nokia Technologies Oy | Quantization of spatial audio parameters |
| KR102692707B1 (ko) | 2018-12-07 | 2024-08-07 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 낮은 차수, 중간 차수 및 높은 차수 컴포넌트 생성기를 사용하는 DirAC 기반 공간 오디오 코딩과 관련된 인코딩, 디코딩, 장면 처리 및 기타 절차를 위한 장치, 방법 및 컴퓨터 프로그램 |
| EP4189674B1 (en) | 2020-07-30 | 2025-01-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for encoding an audio scene |
| WO2022082665A1 (en) * | 2020-10-22 | 2022-04-28 | Nokia Shanghai Bell Co., Ltd. | Method, apparatus, and computer program |
| 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 |
| 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 |
| CN115376528B (zh) * | 2021-05-17 | 2026-04-07 | 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 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CA2992051C (en) * | 2004-03-01 | 2019-01-22 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
| CN1677492A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| JP4809370B2 (ja) * | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル音声符号化における適応ビット割り当て |
| US20080232601A1 (en) * | 2007-03-21 | 2008-09-25 | Ville Pulkki | Method and apparatus for enhancement of audio reconstruction |
| 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 |
| US8509454B2 (en) * | 2007-11-01 | 2013-08-13 | Nokia Corporation | Focusing on a portion of an audio scene for an audio signal |
| DE602008005250D1 (de) * | 2008-01-04 | 2011-04-14 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
| WO2009155361A1 (en) * | 2008-06-17 | 2009-12-23 | Earlens Corporation | Optical electro-mechanical hearing devices with combined power and signal architectures |
| EP2352304B1 (en) * | 2008-09-17 | 2015-07-01 | Panasonic Intellectual Property Management Co., Ltd. | Recording medium, reproduction device, and integrated circuit |
| ES2472456T3 (es) * | 2010-03-26 | 2014-07-01 | Thomson Licensing | Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio |
| CA2992917C (en) * | 2010-04-09 | 2020-05-26 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| 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 |
| 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 |
| EP2645748A1 (en) * | 2012-03-28 | 2013-10-02 | Thomson Licensing | Method and apparatus for decoding stereo loudspeaker signals from 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 |
| KR20240108571A (ko) * | 2012-07-16 | 2024-07-09 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치 |
| 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 |
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2015
- 2015-06-22 KR KR1020257018085A patent/KR20250085845A/ko active Pending
- 2015-06-22 KR KR1020167036547A patent/KR102381202B1/ko active Active
- 2015-06-22 US US15/319,707 patent/US9792924B2/en active Active
- 2015-06-22 CN CN201910861280.8A patent/CN110459229B/zh active Active
- 2015-06-22 EP EP15729523.9A patent/EP3162086B1/en active Active
- 2015-06-22 JP JP2016575019A patent/JP6641304B2/ja active Active
- 2015-06-22 CN CN201910922110.6A patent/CN110662158B/zh active Active
- 2015-06-22 EP EP21159478.3A patent/EP3860154B1/en active Active
- 2015-06-22 CN CN202311556422.2A patent/CN117636885A/zh active Pending
- 2015-06-22 KR KR1020247010754A patent/KR102816984B1/ko active Active
- 2015-06-22 EP EP24158677.5A patent/EP4354432B1/en active Active
- 2015-06-22 ES ES21159478T patent/ES2974440T3/es active Active
- 2015-06-22 CN CN201910861296.9A patent/CN110415712B/zh active Active
- 2015-06-22 WO PCT/EP2015/063914 patent/WO2015197514A1/en not_active Ceased
- 2015-06-22 KR KR1020227010252A patent/KR102454747B1/ko active Active
- 2015-06-22 EP EP26163497.6A patent/EP4730327A2/en active Pending
- 2015-06-22 CN CN202311558626.XA patent/CN117612540A/zh active Pending
- 2015-06-22 CN CN201580035125.0A patent/CN106471822B/zh active Active
- 2015-06-22 CN CN201910861274.2A patent/CN110556120B/zh active Active
- 2015-06-22 KR KR1020227035215A patent/KR102654275B1/ko active Active
- 2015-06-26 TW TW110117878A patent/TWI809394B/zh active
- 2015-06-26 TW TW104120627A patent/TWI679633B/zh active
- 2015-06-26 TW TW112123781A patent/TWI899581B/zh active
- 2015-06-26 TW TW108142368A patent/TWI728563B/zh active
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2017
- 2017-09-12 US US15/702,418 patent/US10037764B2/en active Active
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2018
- 2018-06-26 US US16/019,288 patent/US10262670B2/en active Active
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2019
- 2019-04-08 US US16/377,661 patent/US10580426B2/en active Active
- 2019-12-27 JP JP2019237716A patent/JP6874115B2/ja active Active
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2021
- 2021-04-21 JP JP2021071874A patent/JP7267340B2/ja active Active
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2023
- 2023-04-19 JP JP2023068243A patent/JP7512470B2/ja active Active
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2024
- 2024-06-26 JP JP2024102467A patent/JP7751696B2/ja active Active
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2025
- 2025-09-26 JP JP2025159676A patent/JP2026009948A/ja active Pending
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