SG11202011329QA - Downmixed signal calculation method and apparatus - Google Patents
Downmixed signal calculation method and apparatusInfo
- Publication number
- SG11202011329QA SG11202011329QA SG11202011329QA SG11202011329QA SG11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA
- Authority
- SG
- Singapore
- Prior art keywords
- calculation method
- signal calculation
- downmixed signal
- downmixed
- signal
- Prior art date
Links
- 238000004364 calculation method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810549905.2A CN110556119B (zh) | 2018-05-31 | 2018-05-31 | 一种下混信号的计算方法及装置 |
PCT/CN2019/070116 WO2019227931A1 (zh) | 2018-05-31 | 2019-01-02 | 一种下混信号的计算方法及装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202011329QA true SG11202011329QA (en) | 2020-12-30 |
Family
ID=68698667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202011329QA SG11202011329QA (en) | 2018-05-31 | 2019-01-02 | Downmixed signal calculation method and apparatus |
Country Status (8)
Country | Link |
---|---|
US (2) | US11869517B2 (ko) |
EP (1) | EP3783608A4 (ko) |
JP (1) | JP7159351B2 (ko) |
KR (2) | KR102628755B1 (ko) |
CN (2) | CN110556119B (ko) |
BR (1) | BR112020024232A2 (ko) |
SG (1) | SG11202011329QA (ko) |
WO (1) | WO2019227931A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113948098A (zh) * | 2020-07-17 | 2022-01-18 | 华为技术有限公司 | 一种立体声音频信号时延估计方法及装置 |
US11802894B2 (en) * | 2020-09-17 | 2023-10-31 | Silicon Laboratories Inc. | Compressing information in an end node using an autoencoder neural network |
CN113421579B (zh) * | 2021-06-30 | 2024-06-07 | 北京小米移动软件有限公司 | 声音处理方法、装置、电子设备和存储介质 |
GB2628413A (en) * | 2023-03-24 | 2024-09-25 | Nokia Technologies Oy | Coding of frame-level out-of-sync metadata |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
US8494667B2 (en) * | 2005-06-30 | 2013-07-23 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
JP5270557B2 (ja) * | 2006-10-16 | 2013-08-21 | ドルビー・インターナショナル・アクチボラゲット | 多チャネルダウンミックスされたオブジェクト符号化における強化された符号化及びパラメータ表現 |
CN101197134A (zh) * | 2006-12-05 | 2008-06-11 | 华为技术有限公司 | 消除编码模式切换影响的方法和装置以及解码方法和装置 |
EP2201566B1 (en) * | 2007-09-19 | 2015-11-11 | Telefonaktiebolaget LM Ericsson (publ) | Joint multi-channel audio encoding/decoding |
JP5485909B2 (ja) * | 2007-12-31 | 2014-05-07 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号処理方法及び装置 |
KR101444102B1 (ko) * | 2008-02-20 | 2014-09-26 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
CN102157149B (zh) * | 2010-02-12 | 2012-08-08 | 华为技术有限公司 | 立体声信号下混方法、编解码装置和编解码系统 |
ES2810824T3 (es) * | 2010-04-09 | 2021-03-09 | Dolby Int Ab | Sistema decodificador, método de decodificación y programa informático respectivo |
CN102446507B (zh) * | 2011-09-27 | 2013-04-17 | 华为技术有限公司 | 一种下混信号生成、还原的方法和装置 |
KR101585852B1 (ko) * | 2011-09-29 | 2016-01-15 | 돌비 인터네셔널 에이비 | Fm 스테레오 라디오 신호들에서 고품질의 검출 |
ES2904275T3 (es) * | 2015-09-25 | 2022-04-04 | Voiceage Corp | Método y sistema de decodificación de los canales izquierdo y derecho de una señal sonora estéreo |
CN117476018A (zh) * | 2016-09-28 | 2024-01-30 | 华为技术有限公司 | 一种处理多声道音频信号的方法、装置和系统 |
-
2018
- 2018-05-31 CN CN201810549905.2A patent/CN110556119B/zh active Active
- 2018-05-31 CN CN202210102567.4A patent/CN114420139A/zh active Pending
-
2019
- 2019-01-02 JP JP2020564202A patent/JP7159351B2/ja active Active
- 2019-01-02 EP EP19811813.5A patent/EP3783608A4/en active Pending
- 2019-01-02 WO PCT/CN2019/070116 patent/WO2019227931A1/zh unknown
- 2019-01-02 KR KR1020207035596A patent/KR102628755B1/ko active IP Right Grant
- 2019-01-02 SG SG11202011329QA patent/SG11202011329QA/en unknown
- 2019-01-02 BR BR112020024232-2A patent/BR112020024232A2/pt unknown
- 2019-01-02 KR KR1020247002200A patent/KR20240013287A/ko active Application Filing
-
2020
- 2020-11-23 US US17/102,190 patent/US11869517B2/en active Active
-
2023
- 2023-11-29 US US18/523,738 patent/US20240105188A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
KR102628755B1 (ko) | 2024-01-23 |
US11869517B2 (en) | 2024-01-09 |
WO2019227931A1 (zh) | 2019-12-05 |
BR112020024232A2 (pt) | 2021-02-23 |
CN110556119A (zh) | 2019-12-10 |
CN114420139A (zh) | 2022-04-29 |
US20210082441A1 (en) | 2021-03-18 |
US20240105188A1 (en) | 2024-03-28 |
EP3783608A1 (en) | 2021-02-24 |
KR20240013287A (ko) | 2024-01-30 |
JP2021524938A (ja) | 2021-09-16 |
EP3783608A4 (en) | 2021-06-23 |
KR20210009342A (ko) | 2021-01-26 |
CN110556119B (zh) | 2022-02-18 |
JP7159351B2 (ja) | 2022-10-24 |
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