MX344170B - Mejora de señales de audio con el uso de parametros espaciales estimados. - Google Patents

Mejora de señales de audio con el uso de parametros espaciales estimados.

Info

Publication number
MX344170B
MX344170B MX2015010166A MX2015010166A MX344170B MX 344170 B MX344170 B MX 344170B MX 2015010166 A MX2015010166 A MX 2015010166A MX 2015010166 A MX2015010166 A MX 2015010166A MX 344170 B MX344170 B MX 344170B
Authority
MX
Mexico
Prior art keywords
frequency coefficients
frequency
coefficients
spatial parameters
audio signal
Prior art date
Application number
MX2015010166A
Other languages
English (en)
Spanish (es)
Other versions
MX2015010166A (es
Inventor
Vinay Melkote
Grant A Davidson
Matthew Fellers
Kuan-Chieh Yen
Mark F Davis
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of MX2015010166A publication Critical patent/MX2015010166A/es
Publication of MX344170B publication Critical patent/MX344170B/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/012Comfort noise or silence coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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 using subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18Speech 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
MX2015010166A 2013-02-14 2014-01-22 Mejora de señales de audio con el uso de parametros espaciales estimados. MX344170B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361764869P 2013-02-14 2013-02-14
PCT/US2014/012457 WO2014126683A1 (en) 2013-02-14 2014-01-22 Audio signal enhancement using estimated spatial parameters

Publications (2)

Publication Number Publication Date
MX2015010166A MX2015010166A (es) 2015-12-09
MX344170B true MX344170B (es) 2016-12-07

Family

ID=50069321

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015010166A MX344170B (es) 2013-02-14 2014-01-22 Mejora de señales de audio con el uso de parametros espaciales estimados.

Country Status (21)

Country Link
US (1) US9489956B2 (enExample)
EP (1) EP2956934B1 (enExample)
JP (1) JP6138279B2 (enExample)
KR (1) KR101724319B1 (enExample)
CN (1) CN105900168B (enExample)
AR (1) AR094775A1 (enExample)
AU (1) AU2014216732B2 (enExample)
BR (1) BR112015019525B1 (enExample)
CA (1) CA2898271C (enExample)
CL (1) CL2015002277A1 (enExample)
DK (1) DK2956934T3 (enExample)
HU (1) HUE032018T2 (enExample)
IL (1) IL239945B (enExample)
IN (1) IN2015MN01955A (enExample)
MX (1) MX344170B (enExample)
PL (1) PL2956934T3 (enExample)
RU (1) RU2620714C2 (enExample)
SG (1) SG11201506129PA (enExample)
TW (1) TWI618051B (enExample)
UA (1) UA113682C2 (enExample)
WO (1) WO2014126683A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9564144B2 (en) * 2014-07-24 2017-02-07 Conexant Systems, Inc. System and method for multichannel on-line unsupervised bayesian spectral filtering of real-world acoustic noise
TWI628454B (zh) 2014-09-30 2018-07-01 財團法人工業技術研究院 基於聲波的空間狀態偵測裝置、系統與方法
EP3195001B1 (en) * 2014-11-26 2018-11-07 Kone Corporation Local navigation system
TWI573133B (zh) * 2015-04-15 2017-03-01 國立中央大學 音訊處理系統及方法
US12125492B2 (en) * 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
CN105931648B (zh) * 2016-06-24 2019-05-03 百度在线网络技术(北京)有限公司 音频信号解混响方法和装置
US9913061B1 (en) 2016-08-29 2018-03-06 The Directv Group, Inc. Methods and systems for rendering binaural audio content
US10254121B2 (en) * 2017-01-23 2019-04-09 Uber Technologies, Inc. Dynamic routing for self-driving vehicles
CN108268695B (zh) * 2017-12-13 2021-06-29 杨娇丽 一种放大电路的设计方法及放大电路
EP3724876B1 (en) * 2018-02-01 2022-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio scene encoder, audio scene decoder and related methods using hybrid encoder/decoder spatial analysis
TWI691955B (zh) * 2018-03-05 2020-04-21 國立中央大學 多通道之多重音頻串流方法以及使用該方法之系統
GB2576769A (en) * 2018-08-31 2020-03-04 Nokia Technologies Oy Spatial parameter signalling
CN110047503B (zh) * 2018-09-25 2021-04-16 上海无线通信研究中心 一种声波的多径效应抑制方法
CN113544774B (zh) * 2019-03-06 2024-08-20 弗劳恩霍夫应用研究促进协会 降混器及降混方法
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
JPWO2023008260A1 (enExample) * 2021-07-29 2023-02-02
WO2024129132A1 (en) * 2022-12-16 2024-06-20 Google Llc Multi-channel audio signal generation
GB2631478A (en) * 2023-06-30 2025-01-08 Nokia Technologies Oy Apparatus, methods and computer program for encoding spatial audio content

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH572650A5 (enExample) * 1972-12-21 1976-02-13 Gretag Ag
GB8308843D0 (en) 1983-03-30 1983-05-11 Clark A P Apparatus for adjusting receivers of data transmission channels
EP0959620B1 (en) * 1993-11-18 2005-01-12 Digimarc Corporation Video with hidden in-band digital data
US6134521A (en) * 1994-02-17 2000-10-17 Motorola, Inc. Method and apparatus for mitigating audio degradation in a communication system
JP2001519995A (ja) 1998-02-13 2001-10-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サラウンド音声再生システム、音声/視覚再生システム、サラウンド信号処理ユニット、および入力サラウンド信号を処理する方法
US6175631B1 (en) 1999-07-09 2001-01-16 Stephen A. Davis Method and apparatus for decorrelating audio signals
US7218665B2 (en) 2003-04-25 2007-05-15 Bae Systems Information And Electronic Systems Integration Inc. Deferred decorrelating decision-feedback detector for supersaturated communications
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
EP2224430B1 (en) * 2004-03-01 2011-10-05 Dolby Laboratories Licensing Corporation Multichannel audio decoding
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
RU2391714C2 (ru) 2004-07-14 2010-06-10 Конинклейке Филипс Электроникс Н.В. Преобразование аудиоканалов
TWI393121B (zh) 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
US20090052681A1 (en) 2004-10-15 2009-02-26 Koninklijke Philips Electronics, N.V. System and a method of processing audio data, a program element, and a computer-readable medium
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7961890B2 (en) 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
CN101228575B (zh) 2005-06-03 2012-09-26 杜比实验室特许公司 利用侧向信息的声道重新配置
EP1906706B1 (en) 2005-07-15 2009-11-25 Panasonic Corporation Audio decoder
EP1938663A4 (en) 2005-08-30 2010-11-17 Lg Electronics Inc DEVICE FOR ENCODING AND DECODING AUDIO SIGNAL AND CORRESPONDING METHOD
RU2383942C2 (ru) * 2005-08-30 2010-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
US7974713B2 (en) 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
WO2007083956A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
TW200742275A (en) * 2006-03-21 2007-11-01 Dolby Lab Licensing Corp Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
KR101001835B1 (ko) 2006-03-28 2010-12-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법
EP1845699B1 (en) 2006-04-13 2009-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decorrelator
US8379868B2 (en) 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
EP1883067A1 (en) 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
WO2008032255A2 (en) * 2006-09-14 2008-03-20 Koninklijke Philips Electronics N.V. Sweet spot manipulation for a multi-channel signal
RU2406165C2 (ru) * 2007-02-14 2010-12-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов
DE102007018032B4 (de) 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
US8015368B2 (en) 2007-04-20 2011-09-06 Siport, Inc. Processor extensions for accelerating spectral band replication
EP2137725B1 (en) 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US20100040243A1 (en) 2008-08-14 2010-02-18 Johnston James D Sound Field Widening and Phase Decorrelation System and Method
EP2209114B1 (en) * 2007-10-31 2014-05-14 Panasonic Corporation Speech coding/decoding apparatus/method
EP2144229A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient use of phase information in audio encoding and decoding
JP5326465B2 (ja) 2008-09-26 2013-10-30 富士通株式会社 オーディオ復号方法、装置、及びプログラム
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
EP2214162A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
PL2234103T3 (pl) 2009-03-26 2012-02-29 Fraunhofer Ges Forschung Urządzenie i sposób manipulacji sygnałem audio
US8497467B2 (en) 2009-04-13 2013-07-30 Telcordia Technologies, Inc. Optical filter control
DE102009035230A1 (de) 2009-07-29 2011-02-17 Wagner & Co. Solartechnik Gmbh Solaranlage zur Warmwasseraufbereitung
CN104217724B (zh) * 2009-12-07 2017-04-05 杜比实验室特许公司 使用自适应混合变换的多声道音频编码比特流的解码
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
TWI516138B (zh) 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
EP4645306A2 (en) 2010-08-25 2025-11-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus and method for encoding an audio signal having a plurality of channels
EP2477188A1 (en) 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
JP6007196B2 (ja) * 2011-03-18 2016-10-12 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. オーディオ符号化におけるフレーム要素長さの伝送
US8527264B2 (en) 2012-01-09 2013-09-03 Dolby Laboratories Licensing Corporation Method and system for encoding audio data with adaptive low frequency compensation
ES2549953T3 (es) 2012-08-27 2015-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada

Also Published As

Publication number Publication date
MX2015010166A (es) 2015-12-09
CA2898271C (en) 2019-02-19
DK2956934T3 (en) 2017-02-27
IL239945A0 (en) 2015-08-31
RU2015133584A (ru) 2017-02-21
WO2014126683A1 (en) 2014-08-21
EP2956934A1 (en) 2015-12-23
HUE032018T2 (en) 2017-08-28
RU2620714C2 (ru) 2017-05-29
SG11201506129PA (en) 2015-09-29
CA2898271A1 (en) 2014-08-21
EP2956934B1 (en) 2017-01-04
CL2015002277A1 (es) 2016-02-05
US9489956B2 (en) 2016-11-08
CN105900168B (zh) 2019-12-06
PL2956934T3 (pl) 2017-05-31
UA113682C2 (xx) 2017-02-27
AR094775A1 (es) 2015-08-26
AU2014216732A1 (en) 2015-07-30
BR112015019525A2 (pt) 2017-07-18
IL239945B (en) 2019-02-28
JP2016510569A (ja) 2016-04-07
TW201447867A (zh) 2014-12-16
KR101724319B1 (ko) 2017-04-07
IN2015MN01955A (enExample) 2015-08-28
TWI618051B (zh) 2018-03-11
JP6138279B2 (ja) 2017-05-31
BR112015019525B1 (pt) 2021-12-14
CN105900168A (zh) 2016-08-24
US20160005413A1 (en) 2016-01-07
KR20150109400A (ko) 2015-10-01
HK1218674A1 (en) 2017-03-03
AU2014216732B2 (en) 2017-04-20

Similar Documents

Publication Publication Date Title
MX344170B (es) Mejora de señales de audio con el uso de parametros espaciales estimados.
MX2019006681A (es) Aparato de audio y metodo de provision de audio del mismo.
MY179136A (en) Apparatus and method for multichannel direct-ambient decomposition for audio signal processing
WO2012123898A3 (en) Sound processing based on confidence measure
EP3566224A4 (en) AUDIO COMMUNICATIONS SYSTEM AND METHOD
EP4613332A3 (en) Cot modulators and methods of use thereof
EP4421617A3 (en) Binaural rendering for headphones using metadata processing
EP3088515A4 (en) Ensifer sp. strain and method for producing psicose using same
EP3269078A4 (en) Server-client pki for applied key management system and process
EP3063618A4 (en) System and method for enhancing audio, conforming an audio input to a musical key, and creating harmonizing tracks for an audio input
EP4243016A3 (en) Decoding device and decoding method, and program
WO2013142724A3 (en) Audio processing method and audio processing apparatus
UA115928C2 (uk) Способи і пристрої для об'єднаного багатоканального кодування
EP2963813A4 (en) Digital amplifier, three-value signal output method, and speaker
EP3036741A4 (en) Collaborative audio conversation attestation
PH12012000101A1 (en) Flip-chip power amplifier and impedance matching network
EP3057336A4 (en) STEREO EARPHONES, TERMINALS AND AUDIO SIGNAL PROCESSING METHODS FOR THE STEREO EARPHONES AND THE TERMINAL
EP4273857A3 (en) Method and device for applying dynamic range compression to a higher order ambisonics signal
WO2014047042A3 (en) Headset power source managing
EP3020183A4 (en) System and method for digital audio conference workflow management
EP3549355A4 (en) COMBINED SOUND OUTPUT
MX347466B (es) Aparato y método para escalado de señales centrales y mejora estereofónica basada en relación señal a mezcla a dos canales.
WO2013163297A8 (en) Modified glycoproteins
IL268558A (en) An AV connection architecture that includes a downlink audio mixing transmitter, an AV endpoint, and distributed channel amplification
EP4297026A3 (en) Method for decoding and decoder.

Legal Events

Date Code Title Description
FG Grant or registration