JP2009514008A5 - - Google Patents
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- Publication number
- JP2009514008A5 JP2009514008A5 JP2008537589A JP2008537589A JP2009514008A5 JP 2009514008 A5 JP2009514008 A5 JP 2009514008A5 JP 2008537589 A JP2008537589 A JP 2008537589A JP 2008537589 A JP2008537589 A JP 2008537589A JP 2009514008 A5 JP2009514008 A5 JP 2009514008A5
- Authority
- JP
- Japan
- Prior art keywords
- information
- configuration information
- audio signal
- channel
- downmix
- 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.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 43
- 238000005070 sampling Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000013139 quantization Methods 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73003305P | 2005-10-26 | 2005-10-26 | |
| KR20060071754 | 2006-07-28 | ||
| PCT/KR2006/004286 WO2007049881A1 (en) | 2005-10-26 | 2006-10-20 | Method for encoding and decoding multi-channel audio signal and apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009514008A JP2009514008A (ja) | 2009-04-02 |
| JP2009514008A5 true JP2009514008A5 (https=) | 2009-12-10 |
Family
ID=37967960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008537589A Pending JP2009514008A (ja) | 2005-10-26 | 2006-10-20 | マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8238561B2 (https=) |
| EP (1) | EP1946310A4 (https=) |
| JP (1) | JP2009514008A (https=) |
| KR (2) | KR100891688B1 (https=) |
| CN (1) | CN101297353B (https=) |
| TW (2) | TWI451401B (https=) |
| WO (1) | WO2007049881A1 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2007312598B2 (en) * | 2006-10-16 | 2011-01-20 | Dolby International Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| EP2254110B1 (en) * | 2008-03-19 | 2014-04-30 | Panasonic Corporation | Stereo signal encoding device, stereo signal decoding device and methods for them |
| EP2111060B1 (en) | 2008-04-16 | 2014-12-03 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| WO2009128662A2 (en) | 2008-04-16 | 2009-10-22 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| KR101061128B1 (ko) | 2008-04-16 | 2011-08-31 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 이의 장치 |
| JP5785082B2 (ja) * | 2009-08-20 | 2015-09-24 | ジーブイビービー ホールディングス エス．エイ．アール．エル． | オーディオ・ストリームを合成する装置、方法及びプログラム |
| JP2011177430A (ja) * | 2010-03-03 | 2011-09-15 | Terumo Corp | 医療用マニピュレータシステム |
| 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 |
| US9715880B2 (en) | 2013-02-21 | 2017-07-25 | Dolby International Ab | Methods for parametric multi-channel encoding |
| KR101427756B1 (ko) * | 2013-04-26 | 2014-08-08 | 주식회사 코아로직 | 멀티 채널의 오디오 신호 전송 방법 및 장치 |
| EP3067885A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| JP6567691B2 (ja) * | 2015-05-20 | 2019-08-28 | 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） | マルチチャネルオーディオ信号のコード化 |
| KR102627374B1 (ko) | 2015-06-17 | 2024-01-19 | 삼성전자주식회사 | 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치 |
| CN108665902B (zh) | 2017-03-31 | 2020-12-01 | 华为技术有限公司 | 多声道信号的编解码方法和编解码器 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4209544A1 (de) | 1992-03-24 | 1993-09-30 | Inst Rundfunktechnik Gmbh | Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale |
| KR100335611B1 (ko) * | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
| CA2859333A1 (en) | 1999-04-07 | 2000-10-12 | Dolby Laboratories Licensing Corporation | Matrix improvements to lossless encoding and decoding |
| JP3529665B2 (ja) * | 1999-04-16 | 2004-05-24 | パイオニア株式会社 | 情報変換方法及び情報変換装置並びに情報再生装置 |
| JP2004518164A (ja) * | 2001-01-16 | 2004-06-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ信号又はスピーチ信号を符号化するパラメトリック・エンコーダ及び方法 |
| US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| ES2300567T3 (es) * | 2002-04-22 | 2008-06-16 | Koninklijke Philips Electronics N.V. | Representacion parametrica de audio espacial. |
| WO2004008806A1 (en) * | 2002-07-16 | 2004-01-22 | Koninklijke Philips Electronics N.V. | Audio coding |
| US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| US7961890B2 (en) * | 2005-04-15 | 2011-06-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. | Multi-channel hierarchical audio coding with compact side information |
| US8032240B2 (en) * | 2005-07-11 | 2011-10-04 | Lg Electronics Inc. | Apparatus and method of processing an audio signal |
| US7974713B2 (en) | 2005-10-12 | 2011-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Temporal and spatial shaping of multi-channel audio signals |
-
2006
- 2006-10-20 EP EP06799359A patent/EP1946310A4/en not_active Ceased
- 2006-10-20 KR KR20087011932A patent/KR100891688B1/ko active Active
- 2006-10-20 JP JP2008537589A patent/JP2009514008A/ja active Pending
- 2006-10-20 WO PCT/KR2006/004286 patent/WO2007049881A1/en not_active Ceased
- 2006-10-20 CN CN2006800398351A patent/CN101297353B/zh active Active
- 2006-10-20 US US12/091,921 patent/US8238561B2/en active Active
- 2006-10-20 KR KR1020087021420A patent/KR20080094710A/ko not_active Ceased
- 2006-10-24 TW TW97151238A patent/TWI451401B/zh active
- 2006-10-24 TW TW95139227A patent/TWI323878B/zh active
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