MX2013014723A - Metodo y aparato para descomponer una grabacion estereofonica utilizando el procedimiento del dominio de la frecuencia empleando un generador de ponderaciones espectrales. - Google Patents
Metodo y aparato para descomponer una grabacion estereofonica utilizando el procedimiento del dominio de la frecuencia empleando un generador de ponderaciones espectrales.Info
- Publication number
- MX2013014723A MX2013014723A MX2013014723A MX2013014723A MX2013014723A MX 2013014723 A MX2013014723 A MX 2013014723A MX 2013014723 A MX2013014723 A MX 2013014723A MX 2013014723 A MX2013014723 A MX 2013014723A MX 2013014723 A MX2013014723 A MX 2013014723A
- Authority
- MX
- Mexico
- Prior art keywords
- modification information
- signal
- channel
- decomposing
- frequency
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title abstract 3
- 230000004048 modification Effects 0.000 abstract 6
- 238000012986 modification Methods 0.000 abstract 6
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
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- 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)
- Stereo-Broadcasting Methods (AREA)
Abstract
Se proporciona un aparato para generar una señal lateral estereofónica que tiene un primer canal lateral y un segundo canal lateral de una señal de entrada estereofónica que tiene un primer canal de entrada y un segundo canal de entrada. El aparato comprende un generador de información de modificación (110) para generar la información de modificación, basándose en la información del lado medio. Además, el aparato comprende un manipulador de la señal (120) que está adaptado para manipular el primer canal de entrada, basándose en la información de modificación, para obtener el primer canal lateral y está adaptado para manipular el segundo canal de entrada, basándose en la información de modificación, para obtener el segundo canal lateral. El generador de la información de modificación (110) comprende un generador de ponderaciones espectrales (116) para generar la información de modificación, generando un primer factor de ponderación espectral, basándose en una señal media monofónica y en una señal lateral monofónica de la señal de entrada estereofónica.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161504588P | 2011-07-05 | 2011-07-05 | |
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 (1)
Publication Number | Publication Date |
---|---|
MX2013014723A true MX2013014723A (es) | 2014-05-27 |
Family
ID=47262892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2013014723A MX2013014723A (es) | 2011-07-05 | 2012-07-03 | Metodo y aparato para descomponer una grabacion estereofonica utilizando el procedimiento del dominio de la frecuencia empleando un generador de ponderaciones espectrales. |
Country Status (14)
Country | Link |
---|---|
US (1) | US9883307B2 (es) |
EP (4) | EP2544465A1 (es) |
JP (1) | JP5906312B2 (es) |
KR (1) | KR101710544B1 (es) |
CN (1) | CN103650538B (es) |
AU (1) | AU2012280392B2 (es) |
BR (1) | BR112013032824B1 (es) |
CA (1) | CA2840132C (es) |
ES (2) | ES2552996T3 (es) |
MX (1) | MX2013014723A (es) |
PL (2) | PL2730102T3 (es) |
RU (1) | RU2601189C2 (es) |
TR (1) | TR201906465T4 (es) |
WO (2) | WO2013004698A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110890101B (zh) * | 2013-08-28 | 2024-01-12 | 杜比实验室特许公司 | 用于基于语音增强元数据进行解码的方法和设备 |
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 |
RU2472306C2 (ru) | 2007-09-26 | 2013-01-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство и способ для извлечения сигнала окружающей среды в устройстве и способ получения весовых коэффициентов для извлечения сигнала окружающей среды |
US8705769B2 (en) | 2009-05-20 | 2014-04-22 | Stmicroelectronics, Inc. | Two-to-three channel upmix for center channel derivation |
RU2011154112A (ru) * | 2009-06-05 | 2013-07-20 | Конинклейке Филипс Электроникс Н.В. | Обработка аудиоканалов |
SG184537A1 (en) * | 2010-04-13 | 2012-11-29 | Fraunhofer Ges Forschung | Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or 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 KR KR1020147000054A patent/KR101710544B1/ko active Active
- 2012-07-03 CA CA2840132A patent/CA2840132C/en active Active
- 2012-07-03 ES ES12731456.5T patent/ES2552996T3/es active Active
- 2012-07-03 PL PL12731456T patent/PL2730102T3/pl unknown
- 2012-07-03 RU RU2014103797/08A patent/RU2601189C2/ru active
- 2012-07-03 BR BR112013032824-0A patent/BR112013032824B1/pt active IP Right Grant
- 2012-07-03 EP EP12731456.5A patent/EP2730102B1/en active Active
- 2012-07-03 WO PCT/EP2012/062932 patent/WO2013004698A1/en active Application Filing
- 2012-07-03 WO PCT/EP2012/062930 patent/WO2013004697A1/en active Application Filing
- 2012-07-03 MX MX2013014723A patent/MX2013014723A/es active IP Right Grant
- 2012-07-03 JP JP2014517773A patent/JP5906312B2/ja active Active
- 2012-07-03 PL PL12732836T patent/PL2730103T3/pl unknown
- 2012-07-03 AU AU2012280392A patent/AU2012280392B2/en active Active
- 2012-07-03 CN CN201280033585.6A patent/CN103650538B/zh active Active
- 2012-07-03 EP EP12732836.7A patent/EP2730103B1/en active Active
- 2012-07-03 ES ES12732836T patent/ES2726801T3/es active Active
- 2012-07-03 TR TR2019/06465T patent/TR201906465T4/tr unknown
-
2014
- 2014-01-02 US US14/146,127 patent/US9883307B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2726801T3 (es) | 2019-10-09 |
EP2730102A1 (en) | 2014-05-14 |
EP2544466A1 (en) | 2013-01-09 |
AU2012280392A1 (en) | 2014-01-16 |
CA2840132A1 (en) | 2013-01-10 |
RU2601189C2 (ru) | 2016-10-27 |
EP2730103A1 (en) | 2014-05-14 |
EP2544465A1 (en) | 2013-01-09 |
WO2013004698A1 (en) | 2013-01-10 |
TR201906465T4 (tr) | 2019-05-21 |
PL2730103T3 (pl) | 2019-10-31 |
KR20140021055A (ko) | 2014-02-19 |
RU2014103797A (ru) | 2015-08-10 |
CA2840132C (en) | 2016-07-12 |
ES2552996T3 (es) | 2015-12-03 |
CN103650538A (zh) | 2014-03-19 |
BR112013032824B1 (pt) | 2021-03-09 |
WO2013004697A1 (en) | 2013-01-10 |
EP2730102B1 (en) | 2015-09-09 |
AU2012280392B2 (en) | 2015-07-02 |
US20140119545A1 (en) | 2014-05-01 |
JP5906312B2 (ja) | 2016-04-20 |
PL2730102T3 (pl) | 2016-02-29 |
EP2730103B1 (en) | 2019-04-17 |
HK1197959A1 (zh) | 2015-02-27 |
JP2014523174A (ja) | 2014-09-08 |
US9883307B2 (en) | 2018-01-30 |
KR101710544B1 (ko) | 2017-02-27 |
CN103650538B (zh) | 2017-02-15 |
BR112013032824A2 (pt) | 2017-01-31 |
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