DE60042335D1 - Mehrkanal-audiosignalverarbeitungsgerät - Google Patents
Mehrkanal-audiosignalverarbeitungsgerätInfo
- Publication number
- DE60042335D1 DE60042335D1 DE60042335T DE60042335T DE60042335D1 DE 60042335 D1 DE60042335 D1 DE 60042335D1 DE 60042335 T DE60042335 T DE 60042335T DE 60042335 T DE60042335 T DE 60042335T DE 60042335 D1 DE60042335 D1 DE 60042335D1
- Authority
- DE
- Germany
- Prior art keywords
- processing unit
- signal processing
- audio signal
- channel audio
- channel
- 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 - Lifetime
Links
Classifications
-
- 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
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99204547 | 1999-12-24 | ||
PCT/EP2000/012544 WO2001049073A2 (en) | 1999-12-24 | 2000-12-12 | Multichannel audio signal processing device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60042335D1 true DE60042335D1 (de) | 2009-07-16 |
Family
ID=8241103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60042335T Expired - Lifetime DE60042335D1 (de) | 1999-12-24 | 2000-12-12 | Mehrkanal-audiosignalverarbeitungsgerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US7110556B2 (de) |
EP (1) | EP1208725B1 (de) |
JP (1) | JP4842483B2 (de) |
KR (1) | KR100718829B1 (de) |
CN (1) | CN1264382C (de) |
DE (1) | DE60042335D1 (de) |
WO (1) | WO2001049073A2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020128680A1 (en) * | 2001-01-25 | 2002-09-12 | Pavlovic Jennifer L. | Distal protection device with electrospun polymer fiber matrix |
US7660424B2 (en) | 2001-02-07 | 2010-02-09 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
ES2328922T3 (es) | 2002-09-23 | 2009-11-19 | Koninklijke Philips Electronics N.V. | Generacion de una señal de sonido. |
AU2003275467B2 (en) * | 2003-10-07 | 2010-11-25 | The Nielsen Company (Us), Llc | Methods and apparatus to extract codes from a plurality of channels |
US7805313B2 (en) * | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
US7761304B2 (en) * | 2004-11-30 | 2010-07-20 | Agere Systems Inc. | Synchronizing parametric coding of spatial audio with externally provided downmix |
US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
EP1817767B1 (de) * | 2004-11-30 | 2015-11-11 | Agere Systems Inc. | Parametrische raumtonkodierung mit objektbasierten nebeninformationen |
US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
CN101401455A (zh) * | 2006-03-15 | 2009-04-01 | 杜比实验室特许公司 | 使用子带滤波器的立体声呈现技术 |
US7676374B2 (en) * | 2006-03-28 | 2010-03-09 | Nokia Corporation | Low complexity subband-domain filtering in the case of cascaded filter banks |
GB2453118B (en) * | 2007-09-25 | 2011-09-21 | Motorola Inc | Method and apparatus for generating and audio signal from multiple microphones |
TWI662788B (zh) | 2009-02-18 | 2019-06-11 | 瑞典商杜比國際公司 | 用於高頻重建或參數立體聲之複指數調變濾波器組 |
EP2584971B1 (de) * | 2010-06-23 | 2021-11-10 | Analog Devices, Inc. | Ultraschallbildgebung mit analogverarbeitung |
CN103155033B (zh) | 2010-07-19 | 2014-10-22 | 杜比国际公司 | 高频重建期间的音频信号处理 |
US12002476B2 (en) | 2010-07-19 | 2024-06-04 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
SG185850A1 (en) * | 2011-05-25 | 2012-12-28 | Creative Tech Ltd | A processing method and processing apparatus for stereo audio output enhancement |
EP2717263B1 (de) | 2012-10-05 | 2016-11-02 | Nokia Technologies Oy | Verfahren, Vorrichtung und Computerprogrammprodukt zur kategorischen räumlichen Analyse-Synthese des Spektrums eines Mehrkanal-Audiosignals |
WO2018127447A1 (en) * | 2017-01-03 | 2018-07-12 | Koninklijke Philips N.V. | Method and apparatus for audio capture using beamforming |
EP3607548A4 (de) * | 2017-04-07 | 2020-11-18 | Dirac Research AB | Neuartige parametrische entzerrung für audioanwendungen |
JP6946811B2 (ja) * | 2017-07-20 | 2021-10-06 | ヤマハ株式会社 | 音処理装置及びパラメータ割り当て方法 |
US10434913B1 (en) | 2018-04-25 | 2019-10-08 | Anatoly Arutunoff | Vehicle seat |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56161800A (en) * | 1980-05-19 | 1981-12-12 | Toshiba Corp | Reproducing device for stereo sound field |
JP2598159B2 (ja) * | 1990-08-28 | 1997-04-09 | 三菱電機株式会社 | 音声信号処理装置 |
GB2252023B (en) * | 1991-01-21 | 1995-01-18 | Mitsubishi Electric Corp | Acoustic system |
JPH07123242B2 (ja) * | 1993-07-06 | 1995-12-25 | 日本電気株式会社 | 音声信号復号化装置 |
US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
DE19632734A1 (de) | 1996-08-14 | 1998-02-19 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal |
JPH10136352A (ja) * | 1996-10-28 | 1998-05-22 | Matsushita Electric Ind Co Ltd | ディジタル映像伝送装置 |
TW447193B (en) * | 1996-12-09 | 2001-07-21 | Matsushita Electric Ind Co Ltd | Signal processing device |
JP3788537B2 (ja) * | 1997-01-20 | 2006-06-21 | 松下電器産業株式会社 | 音響処理回路 |
US6055502A (en) * | 1997-09-27 | 2000-04-25 | Ati Technologies, Inc. | Adaptive audio signal compression computer system and method |
US6246345B1 (en) * | 1999-04-16 | 2001-06-12 | Dolby Laboratories Licensing Corporation | Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding |
US6446037B1 (en) * | 1999-08-09 | 2002-09-03 | Dolby Laboratories Licensing Corporation | Scalable coding method for high quality audio |
US6498852B2 (en) * | 1999-12-07 | 2002-12-24 | Anthony Grimani | Automatic LFE audio signal derivation system |
US6725110B2 (en) * | 2000-05-26 | 2004-04-20 | Yamaha Corporation | Digital audio decoder |
-
2000
- 2000-12-12 JP JP2001549054A patent/JP4842483B2/ja not_active Expired - Lifetime
- 2000-12-12 KR KR1020017010812A patent/KR100718829B1/ko active IP Right Grant
- 2000-12-12 EP EP00991591A patent/EP1208725B1/de not_active Expired - Lifetime
- 2000-12-12 WO PCT/EP2000/012544 patent/WO2001049073A2/en active IP Right Grant
- 2000-12-12 CN CNB00804175XA patent/CN1264382C/zh not_active Expired - Lifetime
- 2000-12-12 DE DE60042335T patent/DE60042335D1/de not_active Expired - Lifetime
- 2000-12-20 US US09/741,918 patent/US7110556B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2001049073A3 (en) | 2002-04-04 |
CN1264382C (zh) | 2006-07-12 |
EP1208725A2 (de) | 2002-05-29 |
EP1208725B1 (de) | 2009-06-03 |
JP4842483B2 (ja) | 2011-12-21 |
JP2003518645A (ja) | 2003-06-10 |
US7110556B2 (en) | 2006-09-19 |
CN1409940A (zh) | 2003-04-09 |
US20010031055A1 (en) | 2001-10-18 |
WO2001049073A2 (en) | 2001-07-05 |
KR100718829B1 (ko) | 2007-05-17 |
KR20010102381A (ko) | 2001-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |