TWI489447B - 用以產生音訊輸出信號之裝置與方法以及相關電腦程式 - Google Patents

用以產生音訊輸出信號之裝置與方法以及相關電腦程式 Download PDF

Info

Publication number
TWI489447B
TWI489447B TW101128761A TW101128761A TWI489447B TW I489447 B TWI489447 B TW I489447B TW 101128761 A TW101128761 A TW 101128761A TW 101128761 A TW101128761 A TW 101128761A TW I489447 B TWI489447 B TW I489447B
Authority
TW
Taiwan
Prior art keywords
matrix
covariance
signal
property
signal processor
Prior art date
Application number
TW101128761A
Other languages
English (en)
Chinese (zh)
Other versions
TW201320059A (zh
Inventor
Juha Vilkamo
Tom Baeckstroem
Fabian Kuech
Achim Kuntz
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of TW201320059A publication Critical patent/TW201320059A/zh
Application granted granted Critical
Publication of TWI489447B publication Critical patent/TWI489447B/zh

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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/18Selecting circuits
    • G10H1/183Channel-assigning means for polyphonic instruments
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Amplifiers (AREA)
TW101128761A 2011-08-17 2012-08-09 用以產生音訊輸出信號之裝置與方法以及相關電腦程式 TWI489447B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161524647P 2011-08-17 2011-08-17
EP12156351A EP2560161A1 (en) 2011-08-17 2012-02-21 Optimal mixing matrices and usage of decorrelators in spatial audio processing

Publications (2)

Publication Number Publication Date
TW201320059A TW201320059A (zh) 2013-05-16
TWI489447B true TWI489447B (zh) 2015-06-21

Family

ID=45656296

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101128761A TWI489447B (zh) 2011-08-17 2012-08-09 用以產生音訊輸出信號之裝置與方法以及相關電腦程式

Country Status (15)

Country Link
US (3) US10339908B2 (https=)
EP (2) EP2560161A1 (https=)
JP (1) JP5846460B2 (https=)
KR (1) KR101633441B1 (https=)
CN (1) CN103765507B (https=)
AR (1) AR087564A1 (https=)
AU (1) AU2012296895B2 (https=)
BR (1) BR112014003663B1 (https=)
CA (1) CA2843820C (https=)
ES (1) ES2499640T3 (https=)
MX (1) MX2014001731A (https=)
PL (1) PL2617031T3 (https=)
RU (1) RU2631023C2 (https=)
TW (1) TWI489447B (https=)
WO (1) WO2013024085A1 (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI620171B (zh) * 2016-01-19 2018-04-01 博姆雲360公司 用於在一輸入音訊信號上實施串音模擬之方法、音訊處理系統及非暫時性電腦可讀媒體
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
US10313820B2 (en) 2017-07-11 2019-06-04 Boomcloud 360, Inc. Sub-band spatial audio enhancement
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2805326B1 (en) * 2012-01-19 2015-10-14 Koninklijke Philips N.V. Spatial audio rendering and encoding
WO2013120510A1 (en) * 2012-02-14 2013-08-22 Huawei Technologies Co., Ltd. A method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
KR102161169B1 (ko) * 2013-07-05 2020-09-29 한국전자통신연구원 오디오 신호 처리 방법 및 장치
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830332A3 (en) 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
DE112015003108B4 (de) * 2014-07-01 2021-03-04 Electronics And Telecommunications Research Institute Verfahren und Vorrichtung zur Verarbeitung eines Mehrkanal-Audiosignals
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US20160171987A1 (en) * 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for compressed audio enhancement
US9712936B2 (en) 2015-02-03 2017-07-18 Qualcomm Incorporated Coding higher-order ambisonic audio data with motion stabilization
ES2922373T3 (es) 2015-03-03 2022-09-14 Dolby Laboratories Licensing Corp Realce de señales de audio espacial por decorrelación modulada
DK3065422T3 (da) * 2015-03-04 2019-05-20 Starkey Labs Inc Teknikker til forbedring af behandlingskapacitet i høreapparater
EP3357259B1 (en) 2015-09-30 2020-09-23 Dolby International AB Method and apparatus for generating 3d audio content from two-channel stereo content
WO2017127271A1 (en) * 2016-01-18 2017-07-27 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
WO2017143003A1 (en) * 2016-02-18 2017-08-24 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
US11234072B2 (en) 2016-02-18 2022-01-25 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
US10923132B2 (en) 2016-02-19 2021-02-16 Dolby Laboratories Licensing Corporation Diffusivity based sound processing method and apparatus
GB2554446A (en) 2016-09-28 2018-04-04 Nokia Technologies Oy Spatial audio signal format generation from a microphone array using adaptive capture
US10979844B2 (en) * 2017-03-08 2021-04-13 Dts, Inc. Distributed audio virtualization systems
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
GB201718341D0 (en) * 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
GB2572420A (en) * 2018-03-29 2019-10-02 Nokia Technologies Oy Spatial sound rendering
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
GB2574239A (en) 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
CN110782911A (zh) * 2018-07-30 2020-02-11 阿里巴巴集团控股有限公司 音频信号处理方法、装置、设备和存储介质
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
CA3193359A1 (en) 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Parameter encoding and decoding
KR102854679B1 (ko) * 2019-08-01 2025-09-05 돌비 레버러토리즈 라이쎈싱 코오포레이션 공분산 평활화를 위한 시스템 및 방법
GB2587357A (en) * 2019-09-24 2021-03-31 Nokia Technologies Oy Audio processing
CN112653985B (zh) * 2019-10-10 2022-09-27 高迪奥实验室公司 使用2声道立体声扬声器处理音频信号的方法和设备
GB2589321A (en) 2019-11-25 2021-06-02 Nokia Technologies Oy Converting binaural signals to stereo audio signals
GB2594265A (en) * 2020-04-20 2021-10-27 Nokia Technologies Oy Apparatus, methods and computer programs for enabling rendering of spatial audio signals
GB2595871A (en) * 2020-06-09 2021-12-15 Nokia Technologies Oy The reduction of spatial audio parameters
GB2596318A (en) * 2020-06-24 2021-12-29 Nokia Technologies Oy Suppressing spatial noise in multi-microphone devices
KR20230062836A (ko) * 2020-09-09 2023-05-09 돌비 레버러토리즈 라이쎈싱 코오포레이션 파라미터적으로 코딩된 오디오 처리
US11373662B2 (en) * 2020-11-03 2022-06-28 Bose Corporation Audio system height channel up-mixing
WO2023147864A1 (en) * 2022-02-03 2023-08-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method to transform an audio stream

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005136709A (ja) * 2003-10-30 2005-05-26 Nippon Telegr & Teleph Corp <Ntt> 収音方法、装置、プログラム、および記録媒体
EP2146522A1 (en) * 2008-07-17 2010-01-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating audio output signals using object based metadata
WO2010086462A2 (en) * 2010-05-04 2010-08-05 Phonak Ag Methods for operating a hearing device as well as hearing devices
TW201117193A (en) * 2009-11-12 2011-05-16 Nat Cheng Kong University Speech enhancement technique based on blind source separation for far-field noisy speech recognition

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
DE602006015294D1 (de) 2005-03-30 2010-08-19 Dolby Int Ab Mehrkanal-audiocodierung
WO2007111568A2 (en) 2006-03-28 2007-10-04 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for a decoder for multi-channel surround sound
EP2102856A4 (en) * 2006-12-07 2010-01-13 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL
CN101542595B (zh) * 2007-02-14 2016-04-13 Lg电子株式会社 用于编码和解码基于对象的音频信号的方法和装置
CA2645915C (en) 2007-02-14 2012-10-23 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
CA2684975C (en) 2007-04-26 2016-08-02 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
JP5883561B2 (ja) * 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ アップミックスを使用した音声符号器
US8705749B2 (en) * 2008-08-14 2014-04-22 Dolby Laboratories Licensing Corporation Audio signal transformatting
KR20100111499A (ko) * 2009-04-07 2010-10-15 삼성전자주식회사 목적음 추출 장치 및 방법
CA2775828C (en) * 2009-09-29 2016-03-29 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005136709A (ja) * 2003-10-30 2005-05-26 Nippon Telegr & Teleph Corp <Ntt> 収音方法、装置、プログラム、および記録媒体
EP2146522A1 (en) * 2008-07-17 2010-01-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating audio output signals using object based metadata
TW201117193A (en) * 2009-11-12 2011-05-16 Nat Cheng Kong University Speech enhancement technique based on blind source separation for far-field noisy speech recognition
WO2010086462A2 (en) * 2010-05-04 2010-08-05 Phonak Ag Methods for operating a hearing device as well as hearing devices

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
US10721564B2 (en) 2016-01-18 2020-07-21 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reporoduction
TWI620171B (zh) * 2016-01-19 2018-04-01 博姆雲360公司 用於在一輸入音訊信號上實施串音模擬之方法、音訊處理系統及非暫時性電腦可讀媒體
US10009705B2 (en) 2016-01-19 2018-06-26 Boomcloud 360, Inc. Audio enhancement for head-mounted speakers
US10313820B2 (en) 2017-07-11 2019-06-04 Boomcloud 360, Inc. Sub-band spatial audio enhancement
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing
US11284213B2 (en) 2019-10-10 2022-03-22 Boomcloud 360 Inc. Multi-channel crosstalk processing

Also Published As

Publication number Publication date
AU2012296895B2 (en) 2015-07-16
CN103765507A (zh) 2014-04-30
JP2014526065A (ja) 2014-10-02
TW201320059A (zh) 2013-05-16
BR112014003663B1 (pt) 2021-12-21
US20200372884A1 (en) 2020-11-26
HK1187731A1 (en) 2014-04-11
KR101633441B1 (ko) 2016-07-08
US11282485B2 (en) 2022-03-22
RU2014110030A (ru) 2015-09-27
ES2499640T3 (es) 2014-09-29
BR112014003663A2 (pt) 2020-10-27
US10339908B2 (en) 2019-07-02
AR087564A1 (es) 2014-04-03
CN103765507B (zh) 2016-01-20
US20140233762A1 (en) 2014-08-21
CA2843820A1 (en) 2013-02-21
EP2617031B1 (en) 2014-07-23
RU2631023C2 (ru) 2017-09-15
EP2617031A1 (en) 2013-07-24
EP2560161A1 (en) 2013-02-20
CA2843820C (en) 2016-09-27
MX2014001731A (es) 2014-03-27
US20190251938A1 (en) 2019-08-15
JP5846460B2 (ja) 2016-01-20
AU2012296895A1 (en) 2014-02-27
KR20140047731A (ko) 2014-04-22
PL2617031T3 (pl) 2015-01-30
US10748516B2 (en) 2020-08-18
WO2013024085A1 (en) 2013-02-21

Similar Documents

Publication Publication Date Title
TWI489447B (zh) 用以產生音訊輸出信號之裝置與方法以及相關電腦程式
CN111316354B (zh) 目标空间音频参数和相关联的空间音频播放的确定
US8515759B2 (en) Apparatus and method for synthesizing an output signal
US9093063B2 (en) Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
US9014377B2 (en) Multichannel surround format conversion and generalized upmix
KR102692707B1 (ko) 낮은 차수, 중간 차수 및 높은 차수 컴포넌트 생성기를 사용하는 DirAC 기반 공간 오디오 코딩과 관련된 인코딩, 디코딩, 장면 처리 및 기타 절차를 위한 장치, 방법 및 컴퓨터 프로그램
CN102165797A (zh) 用于确定空间输出多声道音频信号的装置
JP2017535153A (ja) オーディオ・エンコーダおよびデコーダ
HK1187731B (en) Optimal mixing matrices and usage of decorrelators in spatial audio processing