TWI541796B - 音源解碼器裝置、解碼壓縮過之輸人音源訊號方法及電腦程式 - Google Patents
音源解碼器裝置、解碼壓縮過之輸人音源訊號方法及電腦程式 Download PDFInfo
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- TWI541796B TWI541796B TW103124175A TW103124175A TWI541796B TW I541796 B TWI541796 B TW I541796B TW 103124175 A TW103124175 A TW 103124175A TW 103124175 A TW103124175 A TW 103124175A TW I541796 B TWI541796 B TW I541796B
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- 238000000034 method Methods 0.000 title claims description 78
- 238000004590 computer program Methods 0.000 title claims description 14
- 230000005236 sound signal Effects 0.000 title description 3
- 238000012545 processing Methods 0.000 claims description 29
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- 230000008569 process Effects 0.000 description 36
- 239000011159 matrix material Substances 0.000 description 29
- 238000006243 chemical reaction Methods 0.000 description 26
- 238000002156 mixing Methods 0.000 description 23
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- 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
- H04S7/308—Electronic adaptation dependent on speaker or headphone connection
-
- 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
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- 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
- H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13177368 | 2013-07-22 | ||
EP20130189285 EP2830336A3 (en) | 2013-07-22 | 2013-10-18 | Renderer controlled spatial upmix |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201517021A TW201517021A (zh) | 2015-05-01 |
TWI541796B true TWI541796B (zh) | 2016-07-11 |
Family
ID=48874136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW103124175A TWI541796B (zh) | 2013-07-22 | 2014-07-14 | 音源解碼器裝置、解碼壓縮過之輸人音源訊號方法及電腦程式 |
Country Status (17)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI695370B (zh) * | 2017-07-28 | 2020-06-01 | 弗勞恩霍夫爾協會 | 用以解碼經編碼多聲道信號之裝置、方法及電腦程式 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG10201604679UA (en) | 2011-07-01 | 2016-07-28 | Dolby Lab Licensing Corp | System and method for adaptive audio signal generation, coding and rendering |
WO2014112793A1 (ko) * | 2013-01-15 | 2014-07-24 | 한국전자통신연구원 | 채널 신호를 처리하는 부호화/복호화 장치 및 방법 |
EP2830336A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Renderer controlled spatial upmix |
US10170125B2 (en) | 2013-09-12 | 2019-01-01 | Dolby International Ab | Audio decoding system and audio encoding system |
EP3266021B1 (en) | 2015-03-03 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
CN107771346B (zh) | 2015-06-17 | 2021-09-21 | 三星电子株式会社 | 实现低复杂度格式转换的内部声道处理方法和装置 |
EP3291582A4 (en) * | 2015-06-17 | 2018-05-09 | Samsung Electronics Co., Ltd. | Device and method for processing internal channel for low complexity format conversion |
WO2017165968A1 (en) * | 2016-03-29 | 2017-10-05 | Rising Sun Productions Limited | A system and method for creating three-dimensional binaural audio from stereo, mono and multichannel sound sources |
US9913061B1 (en) | 2016-08-29 | 2018-03-06 | The Directv Group, Inc. | Methods and systems for rendering binaural audio content |
US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
WO2020216459A1 (en) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
EP3809709A1 (en) * | 2019-10-14 | 2021-04-21 | Koninklijke Philips N.V. | Apparatus and method for audio encoding |
CN114822564B (zh) * | 2021-01-21 | 2025-06-06 | 华为技术有限公司 | 音频对象的比特分配方法和装置 |
US20240274137A1 (en) * | 2021-06-10 | 2024-08-15 | Nokia Technologies Oy | Parametric spatial audio rendering |
WO2024012666A1 (en) * | 2022-07-12 | 2024-01-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding ar/vr metadata with generic codebooks |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6311155B1 (en) * | 2000-02-04 | 2001-10-30 | Hearing Enhancement Company Llc | Use of voice-to-remaining audio (VRA) in consumer applications |
US7447629B2 (en) | 2002-07-12 | 2008-11-04 | Koninklijke Philips Electronics N.V. | Audio coding |
CA2992125C (en) * | 2004-03-01 | 2018-09-25 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
JP2006050241A (ja) * | 2004-08-04 | 2006-02-16 | Matsushita Electric Ind Co Ltd | 復号化装置 |
KR100803212B1 (ko) | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | 스케일러블 채널 복호화 방법 및 장치 |
EP1987512A4 (en) | 2006-02-07 | 2010-05-19 | Lg Electronics Inc | APPARATUS AND METHOD FOR SIGNAL ENCODING / DECODING |
CN101406074B (zh) * | 2006-03-24 | 2012-07-18 | 杜比国际公司 | 解码器及相应方法、双耳解码器、包括该解码器的接收机或音频播放器及相应方法 |
US8126152B2 (en) * | 2006-03-28 | 2012-02-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for a decoder for multi-channel surround sound |
US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
DE102006050068B4 (de) * | 2006-10-24 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm |
RU2439719C2 (ru) * | 2007-04-26 | 2012-01-10 | Долби Свиден АБ | Устройство и способ для синтезирования выходного сигнала |
AU2008344132B2 (en) * | 2008-01-01 | 2012-07-19 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
EP2154911A1 (en) * | 2008-08-13 | 2010-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus for determining a spatial output multi-channel audio signal |
EP2175670A1 (en) | 2008-10-07 | 2010-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Binaural rendering of a multi-channel audio signal |
RU2011147119A (ru) * | 2009-04-21 | 2013-05-27 | Конинклейке Филипс Электроникс Н.В. | Синтез аудиосигнала |
RU2551792C2 (ru) * | 2010-06-02 | 2015-05-27 | Конинклейке Филипс Электроникс Н.В. | Система и способ для обработки звука |
JP5864892B2 (ja) | 2010-06-02 | 2016-02-17 | キヤノン株式会社 | X線導波路 |
JP5998467B2 (ja) * | 2011-12-14 | 2016-09-28 | 富士通株式会社 | 復号装置、復号方法、及び復号プログラム |
EP2830336A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Renderer controlled spatial upmix |
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2013
- 2013-10-18 EP EP20130189285 patent/EP2830336A3/en not_active Withdrawn
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2014
- 2014-07-14 JP JP2016528409A patent/JP6134867B2/ja active Active
- 2014-07-14 TW TW103124175A patent/TWI541796B/zh active
- 2014-07-14 CN CN201480051924.2A patent/CN105580391B/zh active Active
- 2014-07-14 RU RU2016105520A patent/RU2659497C2/ru active
- 2014-07-14 WO PCT/EP2014/065037 patent/WO2015010937A2/en active Application Filing
- 2014-07-14 MX MX2016000916A patent/MX359379B/es active IP Right Grant
- 2014-07-14 PT PT14753020T patent/PT3025521T/pt unknown
- 2014-07-14 CA CA2918641A patent/CA2918641C/en active Active
- 2014-07-14 SG SG11201600459VA patent/SG11201600459VA/en unknown
- 2014-07-14 KR KR1020167003937A patent/KR101795324B1/ko active Active
- 2014-07-14 EP EP14753020.8A patent/EP3025521B1/en active Active
- 2014-07-14 ES ES14753020T patent/ES2734378T3/es active Active
- 2014-07-14 AU AU2014295285A patent/AU2014295285B2/en active Active
- 2014-07-14 BR BR112016001246-1A patent/BR112016001246B1/pt active IP Right Grant
- 2014-07-14 CN CN201910207867.7A patent/CN110234060B/zh active Active
- 2014-07-14 PL PL14753020T patent/PL3025521T3/pl unknown
- 2014-07-21 AR ARP140102689A patent/AR096987A1/es active IP Right Grant
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2016
- 2016-01-22 US US15/004,659 patent/US10085104B2/en active Active
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2017
- 2017-12-27 US US15/854,967 patent/US10341801B2/en active Active
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2019
- 2019-05-24 US US16/422,405 patent/US11184728B2/en active Active
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2021
- 2021-11-11 US US17/524,663 patent/US11743668B2/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI695370B (zh) * | 2017-07-28 | 2020-06-01 | 弗勞恩霍夫爾協會 | 用以解碼經編碼多聲道信號之裝置、方法及電腦程式 |
US11341975B2 (en) | 2017-07-28 | 2022-05-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
US11790922B2 (en) | 2017-07-28 | 2023-10-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
US12367886B2 (en) | 2017-07-28 | 2025-07-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
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