BR112013032824A2 - método e aparelho para decompor uma gravação estéreo utilizando processamento de domínio de frequência empregando um gerador de ponderações espectrais - Google Patents
método e aparelho para decompor uma gravação estéreo utilizando processamento de domínio de frequência empregando um gerador de ponderações espectraisInfo
- Publication number
- BR112013032824A2 BR112013032824A2 BR112013032824A BR112013032824A BR112013032824A2 BR 112013032824 A2 BR112013032824 A2 BR 112013032824A2 BR 112013032824 A BR112013032824 A BR 112013032824A BR 112013032824 A BR112013032824 A BR 112013032824A BR 112013032824 A2 BR112013032824 A2 BR 112013032824A2
- Authority
- BR
- Brazil
- Prior art keywords
- decomposing
- frequency domain
- domain processing
- spectral weighting
- stereo recording
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title 1
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
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
-
- 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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161504588P | 2011-07-05 | 2011-07-05 | |
| US61/504,588 | 2011-07-05 | ||
| EP11186715.6 | 2011-10-26 | ||
| EP11186715A EP2544465A1 (en) | 2011-07-05 | 2011-10-26 | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
| PCT/EP2012/062932 WO2013004698A1 (en) | 2011-07-05 | 2012-07-03 | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112013032824A2 true BR112013032824A2 (pt) | 2017-01-31 |
| BR112013032824B1 BR112013032824B1 (pt) | 2021-03-09 |
Family
ID=47262892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112013032824-0A BR112013032824B1 (pt) | 2011-07-05 | 2012-07-03 | método e aparelho para decompor uma gravação estéreo utilizando processamento de domínio de frequência empregando um gerador de ponderações espectrais |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US9883307B2 (pt) |
| EP (4) | EP2544465A1 (pt) |
| JP (1) | JP5906312B2 (pt) |
| KR (1) | KR101710544B1 (pt) |
| CN (1) | CN103650538B (pt) |
| AU (1) | AU2012280392B2 (pt) |
| BR (1) | BR112013032824B1 (pt) |
| CA (1) | CA2840132C (pt) |
| ES (2) | ES2552996T3 (pt) |
| HK (1) | HK1197959A1 (pt) |
| MX (1) | MX2013014723A (pt) |
| PL (2) | PL2730103T3 (pt) |
| RU (1) | RU2601189C2 (pt) |
| TR (1) | TR201906465T4 (pt) |
| WO (2) | WO2013004697A1 (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3503095A1 (en) | 2013-08-28 | 2019-06-26 | Dolby Laboratories Licensing Corp. | Hybrid waveform-coded and parametric-coded speech enhancement |
| US9838819B2 (en) * | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| CN105989852A (zh) | 2015-02-16 | 2016-10-05 | 杜比实验室特许公司 | 分离音频源 |
| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| EP3382703A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and methods for processing an audio signal |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| EP3518562A1 (en) | 2018-01-29 | 2019-07-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal processor, system and methods distributing an ambient signal to a plurality of ambient signal channels |
| US10547926B1 (en) * | 2018-07-27 | 2020-01-28 | Mimi Hearing Technologies GmbH | Systems and methods for processing an audio signal for replay on stereo and multi-channel audio devices |
| US11032644B2 (en) * | 2019-10-10 | 2021-06-08 | Boomcloud 360, Inc. | Subband spatial and crosstalk processing using spectrally orthogonal audio components |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280258A (en) * | 1963-06-28 | 1966-10-18 | Gale B Curtis | Circuits for sound reproduction |
| DE19742655C2 (de) * | 1997-09-26 | 1999-08-05 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals |
| US6405163B1 (en) * | 1999-09-27 | 2002-06-11 | Creative Technology Ltd. | Process for removing voice from stereo recordings |
| US7254239B2 (en) * | 2001-02-09 | 2007-08-07 | Thx Ltd. | Sound system and method of sound reproduction |
| US7970144B1 (en) * | 2003-12-17 | 2011-06-28 | Creative Technology Ltd | Extracting and modifying a panned source for enhancement and upmix of audio signals |
| SE527670C2 (sv) | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
| DE102004042819A1 (de) * | 2004-09-03 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals |
| FR2886503B1 (fr) * | 2005-05-27 | 2007-08-24 | Arkamys Sa | Procede pour produire plus de deux signaux electriques temporels distincts a partir d'un premier et d'un deuxieme signal electrique temporel |
| US8619998B2 (en) * | 2006-08-07 | 2013-12-31 | Creative Technology Ltd | Spatial audio enhancement processing method and apparatus |
| 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 |
| US8064624B2 (en) * | 2007-07-19 | 2011-11-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for generating a stereo signal with enhanced perceptual quality |
| US8588427B2 (en) | 2007-09-26 | 2013-11-19 | Frauhnhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program |
| US8705769B2 (en) | 2009-05-20 | 2014-04-22 | Stmicroelectronics, Inc. | Two-to-three channel upmix for center channel derivation |
| EP2438593A2 (en) * | 2009-06-05 | 2012-04-11 | Koninklijke Philips Electronics N.V. | Processing of audio channels |
| MY194835A (en) * | 2010-04-13 | 2022-12-19 | Fraunhofer Ges Forschung | Audio or Video Encoder, Audio or Video Decoder and Related Methods for Processing Multi-Channel Audio of Video Signals Using a Variable Prediction Direction |
-
2011
- 2011-10-26 EP EP11186715A patent/EP2544465A1/en not_active Withdrawn
- 2011-10-26 EP EP11186719A patent/EP2544466A1/en not_active Withdrawn
-
2012
- 2012-07-03 JP JP2014517773A patent/JP5906312B2/ja active Active
- 2012-07-03 CA CA2840132A patent/CA2840132C/en active Active
- 2012-07-03 WO PCT/EP2012/062930 patent/WO2013004697A1/en active Application Filing
- 2012-07-03 TR TR2019/06465T patent/TR201906465T4/tr unknown
- 2012-07-03 EP EP12732836.7A patent/EP2730103B1/en active Active
- 2012-07-03 WO PCT/EP2012/062932 patent/WO2013004698A1/en active Application Filing
- 2012-07-03 CN CN201280033585.6A patent/CN103650538B/zh active Active
- 2012-07-03 KR KR1020147000054A patent/KR101710544B1/ko active IP Right Grant
- 2012-07-03 RU RU2014103797/08A patent/RU2601189C2/ru active
- 2012-07-03 ES ES12731456.5T patent/ES2552996T3/es active Active
- 2012-07-03 PL PL12732836T patent/PL2730103T3/pl unknown
- 2012-07-03 AU AU2012280392A patent/AU2012280392B2/en active Active
- 2012-07-03 EP EP12731456.5A patent/EP2730102B1/en active Active
- 2012-07-03 BR BR112013032824-0A patent/BR112013032824B1/pt active IP Right Grant
- 2012-07-03 PL PL12731456T patent/PL2730102T3/pl unknown
- 2012-07-03 ES ES12732836T patent/ES2726801T3/es active Active
- 2012-07-03 MX MX2013014723A patent/MX2013014723A/es active IP Right Grant
-
2014
- 2014-01-02 US US14/146,127 patent/US9883307B2/en active Active
- 2014-11-13 HK HK14111475.5A patent/HK1197959A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TR201906465T4 (tr) | 2019-05-21 |
| JP2014523174A (ja) | 2014-09-08 |
| KR101710544B1 (ko) | 2017-02-27 |
| CN103650538B (zh) | 2017-02-15 |
| AU2012280392A1 (en) | 2014-01-16 |
| ES2552996T3 (es) | 2015-12-03 |
| US20140119545A1 (en) | 2014-05-01 |
| CN103650538A (zh) | 2014-03-19 |
| EP2730103A1 (en) | 2014-05-14 |
| US9883307B2 (en) | 2018-01-30 |
| EP2730102B1 (en) | 2015-09-09 |
| EP2544465A1 (en) | 2013-01-09 |
| BR112013032824B1 (pt) | 2021-03-09 |
| JP5906312B2 (ja) | 2016-04-20 |
| CA2840132C (en) | 2016-07-12 |
| CA2840132A1 (en) | 2013-01-10 |
| ES2726801T3 (es) | 2019-10-09 |
| EP2730103B1 (en) | 2019-04-17 |
| HK1197959A1 (en) | 2015-02-27 |
| MX2013014723A (es) | 2014-05-27 |
| WO2013004697A1 (en) | 2013-01-10 |
| RU2014103797A (ru) | 2015-08-10 |
| PL2730102T3 (pl) | 2016-02-29 |
| WO2013004698A1 (en) | 2013-01-10 |
| RU2601189C2 (ru) | 2016-10-27 |
| EP2544466A1 (en) | 2013-01-09 |
| KR20140021055A (ko) | 2014-02-19 |
| PL2730103T3 (pl) | 2019-10-31 |
| EP2730102A1 (en) | 2014-05-14 |
| AU2012280392B2 (en) | 2015-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/07/2012, OBSERVADAS AS CONDICOES LEGAIS. |