BRPI0514059B1 - processo e aparelho para mixar três canais de áudio de entrada em dois canais de áudio de saída - Google Patents
processo e aparelho para mixar três canais de áudio de entrada em dois canais de áudio de saída Download PDFInfo
- Publication number
- BRPI0514059B1 BRPI0514059B1 BRPI0514059-5A BRPI0514059A BRPI0514059B1 BR PI0514059 B1 BRPI0514059 B1 BR PI0514059B1 BR PI0514059 A BRPI0514059 A BR PI0514059A BR PI0514059 B1 BRPI0514059 B1 BR PI0514059B1
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- BR
- Brazil
- Prior art keywords
- channel
- channels
- audio
- input
- combined
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 82
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- 239000000284 extract Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 26
- 238000004458 analytical method Methods 0.000 description 25
- 230000005236 sound signal Effects 0.000 description 23
- 238000012937 correction Methods 0.000 description 20
- 238000001228 spectrum Methods 0.000 description 20
- 230000006870 function Effects 0.000 description 15
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- 230000000875 corresponding effect Effects 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 9
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Classifications
-
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Holo Graphy (AREA)
- Electrophonic Musical Instruments (AREA)
- Complex Calculations (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Electrically Operated Instructional Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/911,404 US7508947B2 (en) | 2004-08-03 | 2004-08-03 | Method for combining audio signals using auditory scene analysis |
| PCT/US2005/024630 WO2006019719A1 (en) | 2004-08-03 | 2005-07-13 | Combining audio signals using auditory scene analysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0514059A BRPI0514059A (pt) | 2008-05-27 |
| BRPI0514059B1 true BRPI0514059B1 (pt) | 2019-11-12 |
Family
ID=35115846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0514059-5A BRPI0514059B1 (pt) | 2004-08-03 | 2005-07-13 | processo e aparelho para mixar três canais de áudio de entrada em dois canais de áudio de saída |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US7508947B2 (enExample) |
| EP (1) | EP1787495B1 (enExample) |
| JP (1) | JP4740242B2 (enExample) |
| KR (1) | KR101161703B1 (enExample) |
| CN (1) | CN101002505B (enExample) |
| AT (1) | ATE470322T1 (enExample) |
| AU (1) | AU2005275257B2 (enExample) |
| BR (1) | BRPI0514059B1 (enExample) |
| CA (1) | CA2574834C (enExample) |
| DE (1) | DE602005021648D1 (enExample) |
| DK (1) | DK1787495T3 (enExample) |
| ES (1) | ES2346070T3 (enExample) |
| IL (1) | IL180712A (enExample) |
| MX (1) | MX2007001262A (enExample) |
| MY (1) | MY139731A (enExample) |
| PL (1) | PL1787495T3 (enExample) |
| TW (1) | TWI374435B (enExample) |
| WO (1) | WO2006019719A1 (enExample) |
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| US7711123B2 (en) | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
| US7610205B2 (en) * | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| ATE527654T1 (de) | 2004-03-01 | 2011-10-15 | Dolby Lab Licensing Corp | Mehrkanal-audiodecodierung |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| KR101283525B1 (ko) * | 2004-07-14 | 2013-07-15 | 돌비 인터네셔널 에이비 | 오디오 채널 변환 |
| US7508947B2 (en) | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| CA2581810C (en) | 2004-10-26 | 2013-12-17 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| JP5191886B2 (ja) * | 2005-06-03 | 2013-05-08 | ドルビー ラボラトリーズ ライセンシング コーポレイション | サイド情報を有するチャンネルの再構成 |
| WO2007004828A2 (en) * | 2005-06-30 | 2007-01-11 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| JP2009500657A (ja) * | 2005-06-30 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
| TWI396188B (zh) | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| CN101278598B (zh) * | 2005-10-07 | 2011-05-25 | 松下电器产业株式会社 | 音频信号处理装置以及音频信号处理方法 |
| TWI341141B (en) * | 2006-04-03 | 2011-04-21 | Lg Electronics Inc | Apparatus for processing media signal and method thereof |
| TWI517562B (zh) | 2006-04-04 | 2016-01-11 | 杜比實驗室特許公司 | 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式 |
| ATE448638T1 (de) * | 2006-04-13 | 2009-11-15 | Fraunhofer Ges Forschung | Audiosignaldekorrelator |
| CN101432965B (zh) * | 2006-04-27 | 2012-07-04 | 杜比实验室特许公司 | 使用基于特性响度的听觉事件检测的音频增益控制 |
| KR100917843B1 (ko) | 2006-09-29 | 2009-09-18 | 한국전자통신연구원 | 다양한 채널로 구성된 다객체 오디오 신호의 부호화 및복호화 장치 및 방법 |
| KR101137715B1 (ko) | 2006-10-20 | 2012-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 리셋을 사용하는 오디오 다이내믹스 프로세싱 |
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| US7454331B2 (en) | 2002-08-30 | 2008-11-18 | Dolby Laboratories Licensing Corporation | Controlling loudness of speech in signals that contain speech and other types of audio material |
| US7676047B2 (en) * | 2002-12-03 | 2010-03-09 | Bose Corporation | Electroacoustical transducing with low frequency augmenting devices |
| EP1590800B1 (en) | 2003-02-06 | 2009-11-04 | Dolby Laboratories Licensing Corporation | Continuous backup audio |
| ATE371246T1 (de) | 2003-05-28 | 2007-09-15 | Dolby Lab Licensing Corp | Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals |
| US7398207B2 (en) | 2003-08-25 | 2008-07-08 | Time Warner Interactive Video Group, Inc. | Methods and systems for determining audio loudness levels in programming |
| 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 |
| ATE527654T1 (de) | 2004-03-01 | 2011-10-15 | Dolby Lab Licensing Corp | Mehrkanal-audiodecodierung |
| US7617109B2 (en) | 2004-07-01 | 2009-11-10 | Dolby Laboratories Licensing Corporation | Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
| FR2872910B1 (fr) | 2004-07-07 | 2006-10-13 | Nanoraptor Sa | Composant optique pour l'observation d'un echantillon nanometrique, systeme comprenant un tel composant, procede d'analyse mettant en oeuvre ce composant, et leurs applications |
| US7508947B2 (en) | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| TW200638335A (en) | 2005-04-13 | 2006-11-01 | Dolby Lab Licensing Corp | Audio metadata verification |
| TWI397903B (zh) | 2005-04-13 | 2013-06-01 | Dolby Lab Licensing Corp | 編碼音訊之節約音量測量技術 |
| JP5191886B2 (ja) | 2005-06-03 | 2013-05-08 | ドルビー ラボラトリーズ ライセンシング コーポレイション | サイド情報を有するチャンネルの再構成 |
| TWI396188B (zh) | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| CN101432965B (zh) | 2006-04-27 | 2012-07-04 | 杜比实验室特许公司 | 使用基于特性响度的听觉事件检测的音频增益控制 |
-
2004
- 2004-08-03 US US10/911,404 patent/US7508947B2/en not_active Expired - Lifetime
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2005
- 2005-07-13 DE DE602005021648T patent/DE602005021648D1/de not_active Expired - Lifetime
- 2005-07-13 ES ES05770949T patent/ES2346070T3/es not_active Expired - Lifetime
- 2005-07-13 CA CA2574834A patent/CA2574834C/en not_active Expired - Lifetime
- 2005-07-13 BR BRPI0514059-5A patent/BRPI0514059B1/pt active IP Right Grant
- 2005-07-13 AT AT05770949T patent/ATE470322T1/de active
- 2005-07-13 CN CN2005800261496A patent/CN101002505B/zh not_active Expired - Lifetime
- 2005-07-13 KR KR1020077002358A patent/KR101161703B1/ko not_active Expired - Lifetime
- 2005-07-13 DK DK05770949.5T patent/DK1787495T3/da active
- 2005-07-13 WO PCT/US2005/024630 patent/WO2006019719A1/en not_active Ceased
- 2005-07-13 PL PL05770949T patent/PL1787495T3/pl unknown
- 2005-07-13 AU AU2005275257A patent/AU2005275257B2/en not_active Expired
- 2005-07-13 MX MX2007001262A patent/MX2007001262A/es active IP Right Grant
- 2005-07-13 JP JP2007524817A patent/JP4740242B2/ja not_active Expired - Lifetime
- 2005-07-13 EP EP05770949A patent/EP1787495B1/en not_active Expired - Lifetime
- 2005-07-15 TW TW094124108A patent/TWI374435B/zh not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| US7508947B2 (en) | 2009-03-24 |
| AU2005275257B2 (en) | 2011-02-03 |
| JP4740242B2 (ja) | 2011-08-03 |
| IL180712A (en) | 2012-02-29 |
| CN101002505A (zh) | 2007-07-18 |
| ATE470322T1 (de) | 2010-06-15 |
| EP1787495B1 (en) | 2010-06-02 |
| EP1787495A1 (en) | 2007-05-23 |
| WO2006019719A1 (en) | 2006-02-23 |
| MY139731A (en) | 2009-10-30 |
| IL180712A0 (en) | 2007-06-03 |
| KR20070049146A (ko) | 2007-05-10 |
| DE602005021648D1 (de) | 2010-07-15 |
| BRPI0514059A (pt) | 2008-05-27 |
| CN101002505B (zh) | 2011-08-10 |
| DK1787495T3 (da) | 2010-09-06 |
| US20060029239A1 (en) | 2006-02-09 |
| JP2008509600A (ja) | 2008-03-27 |
| TW200608352A (en) | 2006-03-01 |
| PL1787495T3 (pl) | 2010-10-29 |
| MX2007001262A (es) | 2007-04-18 |
| HK1101053A1 (en) | 2007-10-05 |
| KR101161703B1 (ko) | 2012-07-03 |
| ES2346070T3 (es) | 2010-10-08 |
| TWI374435B (en) | 2012-10-11 |
| CA2574834C (en) | 2013-07-09 |
| CA2574834A1 (en) | 2006-02-23 |
| AU2005275257A1 (en) | 2006-02-23 |
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