AR117567A1 - Aparato, método o programa de computación para estimar la diferencia de tiempo entre canales - Google Patents
Aparato, método o programa de computación para estimar la diferencia de tiempo entre canalesInfo
- Publication number
- AR117567A1 AR117567A1 ARP190100911A ARP190100911A AR117567A1 AR 117567 A1 AR117567 A1 AR 117567A1 AR P190100911 A ARP190100911 A AR P190100911A AR P190100911 A ARP190100911 A AR P190100911A AR 117567 A1 AR117567 A1 AR 117567A1
- Authority
- AR
- Argentina
- Prior art keywords
- signal
- channel
- channels
- time difference
- correlation spectrum
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 title 1
- 238000001228 spectrum Methods 0.000 abstract 4
Classifications
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Abstract
Un aparato para estimar una diferencia de tiempo entre canales entre la señal de un primer canal y la señal de un segundo canal, comprende un analizador de señales (1037) para estimar una característica de señal (1038) de la señal del primer canal o la señal del segundo canal o ambas señales o una señal derivada de la señal del primer canal o la señal del segundo canal; una calculadora (1020) para calcular un espectro de correlación cruzada correspondiente a un bloque de tiempo de la señal del primer canal en el bloque de tiempo y la señal del segundo canal en el bloque de tiempo; un ponderador (1036) para ponderar un espectro de correlación cruzada alisado o no alisado para obtener un espectro de correlación cruzada ponderado utilizando un primer procedimiento de ponderación (1036a) o utilizando un segundo procedimiento de ponderación (1036b) dependiendo de una característica de señal estimada por el analizador de señales (1037), donde el primer procedimiento de ponderación es diferente del segundo procedimiento de ponderación; y un procesador (1040) para procesar el espectro de correlación cruzada ponderado para obtener la diferencia de tiempo entre canales.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18165882 | 2018-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR117567A1 true AR117567A1 (es) | 2021-08-18 |
Family
ID=61965696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP190100911A AR117567A1 (es) | 2018-04-05 | 2019-04-05 | Aparato, método o programa de computación para estimar la diferencia de tiempo entre canales |
Country Status (18)
Country | Link |
---|---|
US (2) | US11594231B2 (es) |
EP (2) | EP3776541B1 (es) |
JP (2) | JP7204774B2 (es) |
KR (1) | KR102550424B1 (es) |
CN (2) | CN112262433B (es) |
AR (1) | AR117567A1 (es) |
AU (1) | AU2019249872B2 (es) |
BR (1) | BR112020020457A2 (es) |
CA (1) | CA3095971C (es) |
ES (1) | ES2909343T3 (es) |
MX (1) | MX2020010462A (es) |
PL (1) | PL3776541T3 (es) |
PT (1) | PT3776541T (es) |
RU (1) | RU2762302C1 (es) |
SG (1) | SG11202009801VA (es) |
TW (1) | TWI714046B (es) |
WO (1) | WO2019193070A1 (es) |
ZA (1) | ZA202006125B (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11418879B2 (en) * | 2020-05-13 | 2022-08-16 | Nxp B.V. | Audio signal blending with beat alignment |
CN113948098A (zh) * | 2020-07-17 | 2022-01-18 | 华为技术有限公司 | 一种立体声音频信号时延估计方法及装置 |
MX2023002238A (es) * | 2020-08-31 | 2023-04-21 | Fraunhofer Ges Forschung | Enerador de señales multicanal, codificador de audio y métodos relacionados que se basan en una señal de ruido de mezcla. |
CN112242150B (zh) * | 2020-09-30 | 2024-04-12 | 上海佰贝科技发展股份有限公司 | 一种检测立体声的方法及其系统 |
CN117501361A (zh) * | 2021-06-15 | 2024-02-02 | 瑞典爱立信有限公司 | 用于重合立体声捕获的声道间时差(itd)估计器的提高的稳定性 |
WO2023038637A1 (en) * | 2021-09-13 | 2023-03-16 | Luminous Computing, Inc. | Optical filter system and method of operation |
CN114324972B (zh) * | 2022-01-10 | 2022-09-13 | 浙江大学 | 一种适用于流体互相关测速的自适应广义互相关时延估计方法 |
WO2024053353A1 (ja) * | 2022-09-08 | 2024-03-14 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 信号処理装置、及び、信号処理方法 |
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US5434948A (en) | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
US7573912B2 (en) | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
KR20080066537A (ko) * | 2007-01-12 | 2008-07-16 | 엘지전자 주식회사 | 부가정보를 가지는 오디오신호의 부호화/복호화 방법 및장치 |
GB2453117B (en) * | 2007-09-25 | 2012-05-23 | Motorola Mobility Inc | Apparatus and method for encoding a multi channel audio signal |
EP2082396A1 (en) | 2007-10-17 | 2009-07-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding using downmix |
KR101405956B1 (ko) * | 2007-12-28 | 2014-06-12 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
BR122020009727B1 (pt) | 2008-05-23 | 2021-04-06 | Koninklijke Philips N.V. | Método |
EP2353160A1 (en) * | 2008-10-03 | 2011-08-10 | Nokia Corporation | An apparatus |
WO2010084756A1 (ja) * | 2009-01-22 | 2010-07-29 | パナソニック株式会社 | ステレオ音響信号符号化装置、ステレオ音響信号復号装置およびそれらの方法 |
CN105225667B (zh) * | 2009-03-17 | 2019-04-05 | 杜比国际公司 | 编码器系统、解码器系统、编码方法和解码方法 |
CN101848412B (zh) | 2009-03-25 | 2012-03-21 | 华为技术有限公司 | 通道间延迟估计的方法及其装置和编码器 |
CN102157152B (zh) | 2010-02-12 | 2014-04-30 | 华为技术有限公司 | 立体声编码的方法、装置 |
CN103403800B (zh) * | 2011-02-02 | 2015-06-24 | 瑞典爱立信有限公司 | 确定多声道音频信号的声道间时间差 |
US9253574B2 (en) | 2011-09-13 | 2016-02-02 | Dts, Inc. | Direct-diffuse decomposition |
JP5692006B2 (ja) | 2011-11-02 | 2015-04-01 | トヨタ自動車株式会社 | 音源推定装置、方法、プログラム、及び移動体 |
EP2702587B1 (en) * | 2012-04-05 | 2015-04-01 | Huawei Technologies Co., Ltd. | Method for inter-channel difference estimation and spatial audio coding device |
WO2014046916A1 (en) * | 2012-09-21 | 2014-03-27 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
EP2980789A1 (en) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
WO2016025812A1 (en) * | 2014-08-14 | 2016-02-18 | Rensselaer Polytechnic Institute | Binaurally integrated cross-correlation auto-correlation mechanism |
CN106033671B (zh) * | 2015-03-09 | 2020-11-06 | 华为技术有限公司 | 确定声道间时间差参数的方法和装置 |
CA2987808C (en) * | 2016-01-22 | 2020-03-10 | Guillaume Fuchs | Apparatus and method for encoding or decoding an audio multi-channel signal using spectral-domain resampling |
CN107742521B (zh) * | 2016-08-10 | 2021-08-13 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
-
2019
- 2019-04-03 CN CN201980037464.0A patent/CN112262433B/zh active Active
- 2019-04-03 TW TW108111909A patent/TWI714046B/zh active
- 2019-04-03 PL PL19713826T patent/PL3776541T3/pl unknown
- 2019-04-03 WO PCT/EP2019/058434 patent/WO2019193070A1/en active Application Filing
- 2019-04-03 EP EP19713826.6A patent/EP3776541B1/en active Active
- 2019-04-03 MX MX2020010462A patent/MX2020010462A/es unknown
- 2019-04-03 BR BR112020020457-9A patent/BR112020020457A2/pt active Search and Examination
- 2019-04-03 JP JP2020554532A patent/JP7204774B2/ja active Active
- 2019-04-03 ES ES19713826T patent/ES2909343T3/es active Active
- 2019-04-03 RU RU2020135902A patent/RU2762302C1/ru active
- 2019-04-03 PT PT197138266T patent/PT3776541T/pt unknown
- 2019-04-03 CA CA3095971A patent/CA3095971C/en active Active
- 2019-04-03 KR KR1020207031943A patent/KR102550424B1/ko active IP Right Grant
- 2019-04-03 SG SG11202009801VA patent/SG11202009801VA/en unknown
- 2019-04-03 EP EP21212592.6A patent/EP3985665A1/en active Pending
- 2019-04-03 AU AU2019249872A patent/AU2019249872B2/en active Active
- 2019-04-03 CN CN202410175071.9A patent/CN118283489A/zh active Pending
- 2019-04-05 AR ARP190100911A patent/AR117567A1/es active IP Right Grant
-
2020
- 2020-09-29 US US17/036,261 patent/US11594231B2/en active Active
- 2020-10-02 ZA ZA2020/06125A patent/ZA202006125B/en unknown
-
2022
- 2022-12-28 JP JP2022210992A patent/JP2023036893A/ja active Pending
-
2023
- 2023-01-26 US US18/159,932 patent/US20230169985A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN112262433A (zh) | 2021-01-22 |
EP3776541A1 (en) | 2021-02-17 |
US11594231B2 (en) | 2023-02-28 |
CN118283489A (zh) | 2024-07-02 |
AU2019249872A1 (en) | 2020-11-12 |
US20210012784A1 (en) | 2021-01-14 |
AU2019249872B2 (en) | 2021-11-04 |
CN112262433B (zh) | 2024-03-01 |
CA3095971A1 (en) | 2019-10-10 |
KR102550424B1 (ko) | 2023-07-04 |
ZA202006125B (en) | 2022-07-27 |
EP3985665A1 (en) | 2022-04-20 |
PT3776541T (pt) | 2022-03-21 |
BR112020020457A2 (pt) | 2021-01-12 |
ES2909343T3 (es) | 2022-05-06 |
KR20200140864A (ko) | 2020-12-16 |
JP2023036893A (ja) | 2023-03-14 |
PL3776541T3 (pl) | 2022-05-23 |
WO2019193070A1 (en) | 2019-10-10 |
MX2020010462A (es) | 2020-10-22 |
TW202004734A (zh) | 2020-01-16 |
RU2762302C1 (ru) | 2021-12-17 |
JP2021519949A (ja) | 2021-08-12 |
EP3776541B1 (en) | 2022-01-12 |
JP7204774B2 (ja) | 2023-01-16 |
CA3095971C (en) | 2023-04-25 |
TWI714046B (zh) | 2020-12-21 |
SG11202009801VA (en) | 2020-11-27 |
US20230169985A1 (en) | 2023-06-01 |
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