AR110146A1 - Aparato y método para la mezcla o mezcla ascendente de una señal multicanal usando compensación de fase - Google Patents
Aparato y método para la mezcla o mezcla ascendente de una señal multicanal usando compensación de faseInfo
- Publication number
- AR110146A1 AR110146A1 ARP170103097A ARP170103097A AR110146A1 AR 110146 A1 AR110146 A1 AR 110146A1 AR P170103097 A ARP170103097 A AR P170103097A AR P170103097 A ARP170103097 A AR P170103097A AR 110146 A1 AR110146 A1 AR 110146A1
- Authority
- AR
- Argentina
- Prior art keywords
- mixing
- signal
- phase compensation
- multichannel signal
- multichannel
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
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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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analogue/Digital Conversion (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Time-Division Multiplex Systems (AREA)
- Amplifiers (AREA)
Abstract
Un aparato para mezcla una señal multicanal (100) que comprende al menos dos canales (101, 102), comprende: un mezclador (120) para calcular (34) una señal de mezcla (122) a partir de la señal multicanal (100), donde el mezclador está configurado para calcular (34) la mezcla usando una compensación de fase absoluta, de modo que un canal que tiene una energía menor entre los al menos dos canales solo rota o rota más fuerte que un canal que tiene una energía mayor en el cálculo de la señal de mezcla (122); y una interfaz de salida (160) para generar una señal de salida, la señal de salida que comprende información sobre la señal de mezcla (122).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16197816 | 2016-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR110146A1 true AR110146A1 (es) | 2019-02-27 |
Family
ID=60190886
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP170103097A AR110146A1 (es) | 2016-11-08 | 2017-11-08 | Aparato y método para la mezcla o mezcla ascendente de una señal multicanal usando compensación de fase |
ARP170103099A AR110148A1 (es) | 2016-11-08 | 2017-11-08 | Aparato y método para codificar o decodificar una señal multicanal usando una ganancia lateral y una ganancia residual |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP170103099A AR110148A1 (es) | 2016-11-08 | 2017-11-08 | Aparato y método para codificar o decodificar una señal multicanal usando una ganancia lateral y una ganancia residual |
Country Status (19)
Country | Link |
---|---|
US (4) | US11488609B2 (es) |
EP (4) | EP3761311A1 (es) |
JP (5) | JP7102427B2 (es) |
KR (2) | KR102291811B1 (es) |
CN (4) | CN117676451A (es) |
AR (2) | AR110146A1 (es) |
AU (3) | AU2017357454B2 (es) |
BR (2) | BR112019009318A2 (es) |
CA (3) | CA3045948C (es) |
ES (2) | ES2938244T3 (es) |
FI (1) | FI3539125T3 (es) |
MX (2) | MX2019005145A (es) |
MY (1) | MY196198A (es) |
PL (2) | PL3539125T3 (es) |
PT (2) | PT3539126T (es) |
RU (2) | RU2727799C1 (es) |
TW (2) | TWI669705B (es) |
WO (2) | WO2018086948A1 (es) |
ZA (2) | ZA201903534B (es) |
Families Citing this family (15)
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MY196198A (en) * | 2016-11-08 | 2023-03-22 | Fraunhofer Ges Forschung | Apparatus and Method for Downmixing or Upmixing a Multichannel Signal Using Phase Compensation |
EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
CN110660400B (zh) * | 2018-06-29 | 2022-07-12 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
AU2020233210B2 (en) * | 2019-03-06 | 2023-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer and method of downmixing |
EP3928315A4 (en) * | 2019-03-14 | 2022-11-30 | Boomcloud 360, Inc. | SPATIALLY SENSITIVE MULTIBAND COMPRESSION SYSTEM WITH PRIORITY |
US11361776B2 (en) * | 2019-06-24 | 2022-06-14 | Qualcomm Incorporated | Coding scaled spatial components |
US11538489B2 (en) | 2019-06-24 | 2022-12-27 | Qualcomm Incorporated | Correlating scene-based audio data for psychoacoustic audio coding |
WO2021181746A1 (ja) * | 2020-03-09 | 2021-09-16 | 日本電信電話株式会社 | 音信号ダウンミックス方法、音信号符号化方法、音信号ダウンミックス装置、音信号符号化装置、プログラム及び記録媒体 |
WO2021181472A1 (ja) * | 2020-03-09 | 2021-09-16 | 日本電信電話株式会社 | 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体 |
EP4120250A4 (en) | 2020-03-09 | 2024-03-27 | Nippon Telegraph And Telephone Corporation | SOUND SIGNAL REDUCING MIXING METHOD, SOUND SIGNAL CODING METHOD, SOUND SIGNAL REDUCING MIXING DEVICE, SOUND SIGNAL CODING DEVICE, PROGRAM AND RECORDING MEDIUM |
CN115244618A (zh) * | 2020-03-09 | 2022-10-25 | 日本电信电话株式会社 | 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序以及记录介质 |
BR112023006291A2 (pt) | 2020-10-09 | 2023-05-09 | Fraunhofer Ges Forschung | Dispositivo, método ou programa de computador para processar uma cena de áudio codificada usando uma conversão de parâmetro |
CN116438598A (zh) | 2020-10-09 | 2023-07-14 | 弗劳恩霍夫应用研究促进协会 | 使用参数平滑来处理编码音频场景的装置、方法或计算机程序 |
CA3194876A1 (en) | 2020-10-09 | 2022-04-14 | Franz REUTELHUBER | Apparatus, method, or computer program for processing an encoded audio scene using a bandwidth extension |
CN116962955A (zh) * | 2022-04-15 | 2023-10-27 | 华为技术有限公司 | 多通道的混音方法、设备及介质 |
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2017
- 2017-10-30 MY MYPI2019002415A patent/MY196198A/en unknown
- 2017-10-30 CA CA3045948A patent/CA3045948C/en active Active
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- 2017-10-30 PT PT177914157T patent/PT3539126T/pt unknown
- 2017-10-30 EP EP20190710.2A patent/EP3761311A1/en active Pending
- 2017-10-30 WO PCT/EP2017/077824 patent/WO2018086948A1/en unknown
- 2017-10-30 JP JP2019545853A patent/JP7102427B2/ja active Active
- 2017-10-30 ES ES17791414T patent/ES2938244T3/es active Active
- 2017-10-30 PL PL17791414.0T patent/PL3539125T3/pl unknown
- 2017-10-30 JP JP2019545852A patent/JP7008716B2/ja active Active
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- 2017-10-30 KR KR1020197016395A patent/KR102291811B1/ko active IP Right Grant
- 2017-10-30 BR BR112019009318A patent/BR112019009318A2/pt unknown
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- 2017-10-30 EP EP17791415.7A patent/EP3539126B1/en active Active
- 2017-10-30 EP EP22209969.9A patent/EP4167233A1/en active Pending
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- 2017-10-30 PT PT177914140T patent/PT3539125T/pt unknown
- 2017-10-30 CN CN202311619874.0A patent/CN117676451A/zh active Pending
- 2017-10-30 RU RU2019117749A patent/RU2725178C1/ru active
- 2017-10-30 CN CN201780079910.5A patent/CN110100279B/zh active Active
- 2017-10-30 CN CN201780080571.2A patent/CN110114826B/zh active Active
- 2017-10-30 MX MX2019005145A patent/MX2019005145A/es unknown
- 2017-10-30 ES ES17791415T patent/ES2834083T3/es active Active
- 2017-10-30 WO PCT/EP2017/077822 patent/WO2018086947A1/en active Search and Examination
- 2017-10-30 CN CN202311048157.7A patent/CN116994592A/zh active Pending
- 2017-10-30 CA CA3127805A patent/CA3127805C/en active Active
- 2017-10-30 MX MX2019005147A patent/MX2019005147A/es unknown
- 2017-11-07 TW TW106138472A patent/TWI669705B/zh active
- 2017-11-07 TW TW106138473A patent/TWI664625B/zh active
- 2017-11-08 AR ARP170103097A patent/AR110146A1/es active IP Right Grant
- 2017-11-08 AR ARP170103099A patent/AR110148A1/es active IP Right Grant
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2019
- 2019-05-03 US US16/402,883 patent/US11488609B2/en active Active
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