JPWO2021260826A1 - - Google Patents
Info
- Publication number
- JPWO2021260826A1 JPWO2021260826A1 JP2022531302A JP2022531302A JPWO2021260826A1 JP WO2021260826 A1 JPWO2021260826 A1 JP WO2021260826A1 JP 2022531302 A JP2022531302 A JP 2022531302A JP 2022531302 A JP2022531302 A JP 2022531302A JP WO2021260826 A1 JPWO2021260826 A1 JP WO2021260826A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- 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
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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
- G10L19/04—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/024775 WO2021260826A1 (ja) | 2020-06-24 | 2020-06-24 | 音信号復号方法、音信号復号装置、プログラム及び記録媒体 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021260826A1 true JPWO2021260826A1 (https=) | 2021-12-30 |
| JPWO2021260826A5 JPWO2021260826A5 (https=) | 2023-02-07 |
| JP7485037B2 JP7485037B2 (ja) | 2024-05-16 |
Family
ID=79282594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022531302A Active JP7485037B2 (ja) | 2020-06-24 | 2020-06-24 | 音信号復号方法、音信号復号装置、プログラム及び記録媒体 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12586591B2 (https=) |
| EP (1) | EP4175269B1 (https=) |
| JP (1) | JP7485037B2 (https=) |
| CN (1) | CN115917643B (https=) |
| WO (1) | WO2021260826A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022176270A1 (ja) * | 2021-02-16 | 2022-08-25 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法、及び、復号方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019512737A (ja) * | 2016-03-18 | 2019-05-16 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | マルチチャンネルコーディング |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE440361T1 (de) * | 2004-09-30 | 2009-09-15 | Panasonic Corp | Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür |
| KR101505831B1 (ko) * | 2007-10-30 | 2015-03-26 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 방법 및 장치 |
| US8359196B2 (en) * | 2007-12-28 | 2013-01-22 | Panasonic Corporation | Stereo sound decoding apparatus, stereo sound encoding apparatus and lost-frame compensating method |
| US8332229B2 (en) * | 2008-12-30 | 2012-12-11 | Stmicroelectronics Asia Pacific Pte. Ltd. | Low complexity MPEG encoding for surround sound recordings |
| KR101698439B1 (ko) | 2010-04-09 | 2017-01-20 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| EP2849180B1 (en) * | 2012-05-11 | 2020-01-01 | Panasonic Corporation | Hybrid audio signal encoder, hybrid audio signal decoder, method for encoding audio signal, and method for decoding audio signal |
| KR101629661B1 (ko) * | 2012-08-29 | 2016-06-13 | 니폰 덴신 덴와 가부시끼가이샤 | 복호 방법, 복호 장치, 프로그램 및 그 기록매체 |
| WO2014128197A1 (en) * | 2013-02-20 | 2014-08-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
| EP2981960B1 (en) * | 2013-04-05 | 2019-03-13 | Dolby International AB | Stereo audio encoder and decoder |
| US20140355769A1 (en) * | 2013-05-29 | 2014-12-04 | Qualcomm Incorporated | Energy preservation for decomposed representations of a sound field |
| EP2830051A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP3067886A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| RU2704733C1 (ru) * | 2016-01-22 | 2019-10-30 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ кодирования или декодирования многоканального сигнала с использованием параметра широкополосного выравнивания и множества параметров узкополосного выравнивания |
| FR3048808A1 (fr) * | 2016-03-10 | 2017-09-15 | Orange | Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal |
| JP6790251B2 (ja) * | 2016-09-28 | 2020-11-25 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | マルチチャネルオーディオ信号処理方法、装置、およびシステム |
| CN108122534B (zh) * | 2016-11-29 | 2019-03-26 | 昆山国显光电有限公司 | 一种驱动控制电路及其驱动方法、显示装置 |
| GB2574239A (en) * | 2018-05-31 | 2019-12-04 | Nokia Technologies Oy | Signalling of spatial audio parameters |
-
2020
- 2020-06-24 CN CN202080102308.0A patent/CN115917643B/zh active Active
- 2020-06-24 WO PCT/JP2020/024775 patent/WO2021260826A1/ja not_active Ceased
- 2020-06-24 US US18/011,128 patent/US12586591B2/en active Active
- 2020-06-24 EP EP20941798.9A patent/EP4175269B1/en active Active
- 2020-06-24 JP JP2022531302A patent/JP7485037B2/ja active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019512737A (ja) * | 2016-03-18 | 2019-05-16 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | マルチチャンネルコーディング |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230298598A1 (en) | 2023-09-21 |
| CN115917643A (zh) | 2023-04-04 |
| CN115917643B (zh) | 2025-05-02 |
| EP4175269A1 (en) | 2023-05-03 |
| EP4175269A4 (en) | 2024-03-13 |
| US12586591B2 (en) | 2026-03-24 |
| EP4175269B1 (en) | 2025-02-26 |
| JP7485037B2 (ja) | 2024-05-16 |
| WO2021260826A1 (ja) | 2021-12-30 |
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