AU2001259641B2 - Discrete multichannel audio with a backward compatible mix - Google Patents
Discrete multichannel audio with a backward compatible mix Download PDFInfo
- Publication number
- AU2001259641B2 AU2001259641B2 AU2001259641A AU2001259641A AU2001259641B2 AU 2001259641 B2 AU2001259641 B2 AU 2001259641B2 AU 2001259641 A AU2001259641 A AU 2001259641A AU 2001259641 A AU2001259641 A AU 2001259641A AU 2001259641 B2 AU2001259641 B2 AU 2001259641B2
- Authority
- AU
- Australia
- Prior art keywords
- audio
- discrete
- surround
- sound
- channels
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 claims description 85
- 238000000034 method Methods 0.000 claims description 39
- 239000011159 matrix material Substances 0.000 claims description 33
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 8
- 230000001427 coherent effect Effects 0.000 description 8
- 238000013459 approach Methods 0.000 description 6
- 230000010363 phase shift Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- JDZPLYBLBIKFHJ-UHFFFAOYSA-N Sulfamoyldapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1S(N)(=O)=O JDZPLYBLBIKFHJ-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004350 spin decoupling difference spectroscopy Methods 0.000 description 2
- 102100035353 Cyclin-dependent kinase 2-associated protein 1 Human genes 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/568,355 US7212872B1 (en) | 2000-05-10 | 2000-05-10 | Discrete multichannel audio with a backward compatible mix |
| US09/568,355 | 2000-05-10 | ||
| PCT/US2001/014878 WO2001087015A2 (en) | 2000-05-10 | 2001-05-09 | Discrete multichannel audio with a backward compatible mix |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2001259641A1 AU2001259641A1 (en) | 2002-02-07 |
| AU2001259641B2 true AU2001259641B2 (en) | 2005-04-07 |
Family
ID=24270941
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2001259641A Expired AU2001259641B2 (en) | 2000-05-10 | 2001-05-09 | Discrete multichannel audio with a backward compatible mix |
| AU5964101A Pending AU5964101A (en) | 2000-05-10 | 2001-05-09 | Discrete multichannel audio with a backward compatible mix |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU5964101A Pending AU5964101A (en) | 2000-05-10 | 2001-05-09 | Discrete multichannel audio with a backward compatible mix |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US7212872B1 (enExample) |
| EP (1) | EP1312242B1 (enExample) |
| JP (1) | JP4860088B2 (enExample) |
| KR (1) | KR100736640B1 (enExample) |
| CN (1) | CN100367826C (enExample) |
| AU (2) | AU2001259641B2 (enExample) |
| CA (1) | CA2406706C (enExample) |
| IL (1) | IL152543A0 (enExample) |
| WO (1) | WO2001087015A2 (enExample) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7031474B1 (en) | 1999-10-04 | 2006-04-18 | Srs Labs, Inc. | Acoustic correction apparatus |
| US7277767B2 (en) * | 1999-12-10 | 2007-10-02 | Srs Labs, Inc. | System and method for enhanced streaming audio |
| US7212872B1 (en) * | 2000-05-10 | 2007-05-01 | Dts, Inc. | Discrete multichannel audio with a backward compatible mix |
| WO2004008806A1 (en) * | 2002-07-16 | 2004-01-22 | Koninklijke Philips Electronics N.V. | Audio coding |
| EP1427252A1 (en) * | 2002-12-02 | 2004-06-09 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for processing audio signals from a bitstream |
| CA2514682A1 (en) * | 2002-12-28 | 2004-07-15 | Samsung Electronics Co., Ltd. | Method and apparatus for mixing audio stream and information storage medium |
| US20050058307A1 (en) * | 2003-07-12 | 2005-03-17 | Samsung Electronics Co., Ltd. | Method and apparatus for constructing audio stream for mixing, and information storage medium |
| KR101014313B1 (ko) * | 2003-10-28 | 2011-02-16 | 엘지전자 주식회사 | 돌비 다중 채널 구현 시스템 및 구현 방법 |
| DE102004009628A1 (de) * | 2004-02-27 | 2005-10-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Beschreiben einer Audio-CD und Audio-CD |
| CN1926607B (zh) * | 2004-03-01 | 2011-07-06 | 杜比实验室特许公司 | 多信道音频编码 |
| US7451093B2 (en) * | 2004-04-29 | 2008-11-11 | Srs Labs, Inc. | Systems and methods of remotely enabling sound enhancement techniques |
| US7106411B2 (en) * | 2004-05-05 | 2006-09-12 | Imax Corporation | Conversion of cinema theatre to a super cinema theatre |
| KR100644617B1 (ko) * | 2004-06-16 | 2006-11-10 | 삼성전자주식회사 | 7.1 채널 오디오 재생 방법 및 장치 |
| JP4898673B2 (ja) * | 2004-07-14 | 2012-03-21 | 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 | 方法、装置、エンコーダ装置、デコーダ装置及びオーディオシステム |
| JP4997720B2 (ja) * | 2004-12-16 | 2012-08-08 | ソニー株式会社 | 多重化装置、多重化方法、プログラム、および記録媒体 |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| JP2009503574A (ja) * | 2005-07-29 | 2009-01-29 | エルジー エレクトロニクス インコーポレイティド | 分割情報のシグナリング方法 |
| US8577483B2 (en) | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
| KR20080049735A (ko) * | 2005-08-30 | 2008-06-04 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
| WO2007032647A1 (en) | 2005-09-14 | 2007-03-22 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| TWI462086B (zh) * | 2005-09-14 | 2014-11-21 | Lg Electronics Inc | 音頻訊號之解碼方法及其裝置 |
| JP4850628B2 (ja) * | 2006-08-28 | 2012-01-11 | キヤノン株式会社 | 記録装置 |
| US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
| WO2009140794A1 (en) * | 2008-05-22 | 2009-11-26 | Intel Corporation | Apparatus and method for audio cloning and redirection |
| TWI476761B (zh) * | 2011-04-08 | 2015-03-11 | Dolby Lab Licensing Corp | 用以產生可由實施不同解碼協定之解碼器所解碼的統一位元流之音頻編碼方法及系統 |
| US9030921B2 (en) | 2011-06-06 | 2015-05-12 | General Electric Company | Increased spectral efficiency and reduced synchronization delay with bundled transmissions |
| TWI853425B (zh) | 2011-07-01 | 2024-08-21 | 美商杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
| US9823892B2 (en) | 2011-08-26 | 2017-11-21 | Dts Llc | Audio adjustment system |
| TWI505262B (zh) * | 2012-05-15 | 2015-10-21 | Dolby Int Ab | 具多重子流之多通道音頻信號的有效編碼與解碼 |
| WO2014068583A1 (en) * | 2012-11-02 | 2014-05-08 | Pulz Electronics Pvt. Ltd. | Multi platform 4 layer and x, y, z axis audio recording, mixing and playback process |
| US9118998B2 (en) * | 2013-02-07 | 2015-08-25 | Giga-Byte Technology Co., Ltd. | Multiple sound channels speaker |
| WO2014175617A1 (ko) * | 2013-04-23 | 2014-10-30 | ㈜ 소닉티어 | 직접 오디오 채널 데이터 및 간접 오디오 채널 데이터를 이용한 스케일러블 디지털 오디오 인코딩/디코딩 방법 및 장치 |
| KR101454343B1 (ko) * | 2013-04-23 | 2014-10-24 | 한국산업은행 | 직접 오디오 채널 데이터 및 간접 오디오 채널 데이터를 이용한 스케일러블 디지털 오디오 인코딩/디코딩 방법 및 장치 |
| US9258664B2 (en) | 2013-05-23 | 2016-02-09 | Comhear, Inc. | Headphone audio enhancement system |
| WO2014210284A1 (en) * | 2013-06-27 | 2014-12-31 | Dolby Laboratories Licensing Corporation | Bitstream syntax for spatial voice coding |
| TWI524687B (zh) * | 2013-07-15 | 2016-03-01 | 瑞昱半導體股份有限公司 | 通訊裝置 |
| CH709271A2 (de) * | 2014-02-28 | 2015-08-28 | Stormingswiss S Rl C O Fidacor S Rl | Kodierung und Dekodierung eines niederfrequenten Kanals in einem Audiomultikanalsignal. |
| US9779739B2 (en) * | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
| CN104392744A (zh) * | 2014-08-27 | 2015-03-04 | 贵阳朗玛信息技术股份有限公司 | 一种录制音频的方法及装置 |
| EP3719799A1 (en) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation |
| US10904690B1 (en) | 2019-12-15 | 2021-01-26 | Nuvoton Technology Corporation | Energy and phase correlated audio channels mixer |
| GB2631478A (en) * | 2023-06-30 | 2025-01-08 | Nokia Technologies Oy | Apparatus, methods and computer program for encoding spatial audio content |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997021310A2 (en) * | 1995-12-07 | 1997-06-12 | Philips Electronics N.V. | A method and device for encoding, transferring and decoding a non-pcm bitstream between a digital versatile disc device and a multi-channel reproduction apparatus |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3787622A (en) | 1971-02-05 | 1974-01-22 | Sansui Electric Co | Quadrasonic sound system for two channel transmission |
| NL9000338A (nl) * | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting. |
| US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| ES2121783T3 (es) * | 1990-06-08 | 1998-12-16 | Harman Int Ind | Procesador acustico de ambiente. |
| US5319713A (en) | 1992-11-12 | 1994-06-07 | Rocktron Corporation | Multi dimensional sound circuit |
| US5602923A (en) * | 1994-03-07 | 1997-02-11 | Sony Corporation | Theater sound system with upper surround channels |
| US5912976A (en) | 1996-11-07 | 1999-06-15 | Srs Labs, Inc. | Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| KR100251453B1 (ko) * | 1997-08-26 | 2000-04-15 | 윤종용 | 고음질 오디오 부호화/복호화장치들 및 디지털다기능디스크 |
| US6624873B1 (en) | 1998-05-05 | 2003-09-23 | Dolby Laboratories Licensing Corporation | Matrix-encoded surround-sound channels in a discrete digital sound format |
| WO2000004744A1 (en) | 1998-07-17 | 2000-01-27 | Lucasfilm Ltd. | Multi-channel audio surround system |
| US6442278B1 (en) * | 1999-06-15 | 2002-08-27 | Hearing Enhancement Company, Llc | Voice-to-remaining audio (VRA) interactive center channel downmix |
| US7212872B1 (en) * | 2000-05-10 | 2007-05-01 | Dts, Inc. | Discrete multichannel audio with a backward compatible mix |
-
2000
- 2000-05-10 US US09/568,355 patent/US7212872B1/en not_active Expired - Lifetime
-
2001
- 2001-05-09 AU AU2001259641A patent/AU2001259641B2/en not_active Expired
- 2001-05-09 IL IL15254301A patent/IL152543A0/xx active IP Right Grant
- 2001-05-09 KR KR1020027015022A patent/KR100736640B1/ko not_active Expired - Lifetime
- 2001-05-09 AU AU5964101A patent/AU5964101A/xx active Pending
- 2001-05-09 WO PCT/US2001/014878 patent/WO2001087015A2/en not_active Ceased
- 2001-05-09 CA CA002406706A patent/CA2406706C/en not_active Expired - Lifetime
- 2001-05-09 JP JP2001583105A patent/JP4860088B2/ja not_active Expired - Lifetime
- 2001-05-09 EP EP01933199.0A patent/EP1312242B1/en not_active Expired - Lifetime
- 2001-05-09 CN CNB018125182A patent/CN100367826C/zh not_active Expired - Lifetime
-
2007
- 2007-03-22 US US11/726,976 patent/US20070225842A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997021310A2 (en) * | 1995-12-07 | 1997-06-12 | Philips Electronics N.V. | A method and device for encoding, transferring and decoding a non-pcm bitstream between a digital versatile disc device and a multi-channel reproduction apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2406706C (en) | 2005-01-11 |
| JP2003533154A (ja) | 2003-11-05 |
| CN100367826C (zh) | 2008-02-06 |
| WO2001087015A3 (en) | 2003-02-27 |
| US20070225842A1 (en) | 2007-09-27 |
| EP1312242A2 (en) | 2003-05-21 |
| KR100736640B1 (ko) | 2007-07-09 |
| EP1312242B1 (en) | 2014-01-15 |
| WO2001087015A2 (en) | 2001-11-15 |
| US7212872B1 (en) | 2007-05-01 |
| HK1055056A1 (en) | 2003-12-19 |
| AU5964101A (en) | 2001-11-20 |
| CN1451255A (zh) | 2003-10-22 |
| JP4860088B2 (ja) | 2012-01-25 |
| CA2406706A1 (en) | 2001-11-15 |
| KR20030004394A (ko) | 2003-01-14 |
| IL152543A0 (en) | 2003-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2001259641B2 (en) | Discrete multichannel audio with a backward compatible mix | |
| AU2001259641A1 (en) | Discrete multichannel audio with a backward compatible mix | |
| JP4424849B2 (ja) | 別個のデジタルサウンドフォーマットでマトリックス符号化された環境音チャンネル | |
| US6684060B1 (en) | Digital wireless premises audio system and method of operation thereof | |
| US20060095269A1 (en) | Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio | |
| JP4382292B2 (ja) | 離散的なデジタル音声フォーマットにおいて互換性を持つマトリクスコード化されたサラウンドサウンドチャンネル | |
| EP1499047A2 (en) | Method and apparatus for mixing audio stream, and information storage medium | |
| US20040008847A1 (en) | Method and apparatus for producing multi-channel sound | |
| Davis | History of spatial coding | |
| JP3341566B2 (ja) | 信号伝送方法及び装置、並びに信号再生方法及び装置 | |
| EP0706183B1 (en) | Information encoding method and apparatus, information decoding method and apparatus | |
| US20050141722A1 (en) | Signal processing | |
| HK1055056B (en) | Discrete multichannel audio with a backward compatible mix | |
| WO2000004744A1 (en) | Multi-channel audio surround system | |
| KR100598602B1 (ko) | 가상 입체 음향 생성 장치 및 그 방법 | |
| JP2001100792A (ja) | 符号化方法、符号化装置およびそれを備える通信システム | |
| KR100516733B1 (ko) | 돌비 프로로직 오디오 장치 | |
| JPH08162968A (ja) | 情報符号化方法及び装置、情報復号化方法及び装置、並びに記録媒体 | |
| Gilchrist et al. | Research and Development Report | |
| JP2000148163A (ja) | ディスクエンコード装置及びディスク再生装置 | |
| JP2005236986A (ja) | データエンコード方法及びデータ再生装置 | |
| JP2000082263A (ja) | オーディオディスク及びオーディオ信号の伝送方法並びにエンコード装置 | |
| JP2000214888A (ja) | 音声符号化装置、光記録媒体、音声復号装置、音声伝送方法及び伝送媒体 | |
| JP2005234565A (ja) | データエンコード方法及びデータ再生装置 | |
| JPH11296985A (ja) | ディジタルデータの記録方法及び記録装置、補間方法及び補間装置、並びに再生方法及び再生装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |