ATE475964T1 - Mehrkanal-audiodekodierung - Google Patents

Mehrkanal-audiodekodierung

Info

Publication number
ATE475964T1
ATE475964T1 AT09003671T AT09003671T ATE475964T1 AT E475964 T1 ATE475964 T1 AT E475964T1 AT 09003671 T AT09003671 T AT 09003671T AT 09003671 T AT09003671 T AT 09003671T AT E475964 T1 ATE475964 T1 AT E475964T1
Authority
AT
Austria
Prior art keywords
spatial parameters
signal
time resolution
resolution
channels
Prior art date
Application number
AT09003671T
Other languages
English (en)
Inventor
Mark Davis
Original Assignee
Dolby Lab 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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE475964T1 publication Critical patent/ATE475964T1/de

Links

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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction 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
    • 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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AT09003671T 2004-03-01 2005-02-28 Mehrkanal-audiodekodierung ATE475964T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US54936804P 2004-03-01 2004-03-01
US57997404P 2004-06-14 2004-06-14
US58825604P 2004-07-14 2004-07-14

Publications (1)

Publication Number Publication Date
ATE475964T1 true ATE475964T1 (de) 2010-08-15

Family

ID=34923263

Family Applications (4)

Application Number Title Priority Date Filing Date
AT10165531T ATE527654T1 (de) 2004-03-01 2005-02-28 Mehrkanal-audiodecodierung
AT08001529T ATE430360T1 (de) 2004-03-01 2005-02-28 Mehrkanalige audiodekodierung
AT09003671T ATE475964T1 (de) 2004-03-01 2005-02-28 Mehrkanal-audiodekodierung
AT05724000T ATE390683T1 (de) 2004-03-01 2005-02-28 Mehrkanalige audiocodierung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT10165531T ATE527654T1 (de) 2004-03-01 2005-02-28 Mehrkanal-audiodecodierung
AT08001529T ATE430360T1 (de) 2004-03-01 2005-02-28 Mehrkanalige audiodekodierung

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT05724000T ATE390683T1 (de) 2004-03-01 2005-02-28 Mehrkanalige audiocodierung

Country Status (16)

Country Link
US (18) US8983834B2 (de)
EP (4) EP1914722B1 (de)
JP (1) JP4867914B2 (de)
KR (1) KR101079066B1 (de)
CN (3) CN102169693B (de)
AT (4) ATE527654T1 (de)
AU (2) AU2005219956B2 (de)
BR (1) BRPI0508343B1 (de)
CA (11) CA3026267C (de)
DE (3) DE602005005640T2 (de)
ES (1) ES2324926T3 (de)
IL (1) IL177094A (de)
MY (1) MY145083A (de)
SG (3) SG10201605609PA (de)
TW (3) TWI397902B (de)
WO (1) WO2005086139A1 (de)

Families Citing this family (294)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644282B2 (en) 1998-05-28 2010-01-05 Verance Corporation Pre-processed information embedding system
US6737957B1 (en) 2000-02-16 2004-05-18 Verance Corporation Remote control signaling using audio watermarks
US7711123B2 (en) 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
US7610205B2 (en) 2002-02-12 2009-10-27 Dolby Laboratories Licensing Corporation High quality time-scaling and pitch-scaling of audio signals
US7461002B2 (en) 2001-04-13 2008-12-02 Dolby Laboratories Licensing Corporation Method for time aligning audio signals using characterizations based on auditory events
US7283954B2 (en) 2001-04-13 2007-10-16 Dolby Laboratories Licensing Corporation Comparing audio using characterizations based on auditory events
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
AU2003282763A1 (en) 2002-10-15 2004-05-04 Verance Corporation Media monitoring, management and information system
US20060239501A1 (en) 2005-04-26 2006-10-26 Verance Corporation Security enhancements of digital watermarks for multi-media content
US7369677B2 (en) * 2005-04-26 2008-05-06 Verance Corporation System reactions to the detection of embedded watermarks in a digital host content
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
CA3026267C (en) 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
ES2333137T3 (es) 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
TWI498882B (zh) * 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
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
AU2005299410B2 (en) 2004-10-26 2011-04-07 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
SE0402652D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
SE0402651D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods for interpolation and parameter signalling
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
DE102005014477A1 (de) 2005-03-30 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung
US7983922B2 (en) 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US7418394B2 (en) * 2005-04-28 2008-08-26 Dolby Laboratories Licensing Corporation Method and system for operating audio encoders utilizing data from overlapping audio segments
WO2006126843A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding audio signal
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
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
US8020004B2 (en) 2005-07-01 2011-09-13 Verance Corporation Forensic marking using a common customization function
US8781967B2 (en) 2005-07-07 2014-07-15 Verance Corporation Watermarking in an encrypted domain
EP1907812B1 (de) * 2005-07-22 2010-12-01 France Telecom Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
US7917358B2 (en) * 2005-09-30 2011-03-29 Apple Inc. Transient detection by power weighted average
JP2009511948A (ja) * 2005-10-05 2009-03-19 エルジー エレクトロニクス インコーポレイティド 信号処理方法及び装置、エンコーディング及びデコーディング方法並びにそのための装置
KR100857115B1 (ko) * 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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
WO2007043843A1 (en) 2005-10-13 2007-04-19 Lg Electronics Inc. Method and apparatus for processing a signal
EP1946307A4 (de) * 2005-10-13 2010-01-06 Lg Electronics Inc Methode und vorrichtung zur signalverarbeitung
US20080255859A1 (en) * 2005-10-20 2008-10-16 Lg Electronics, Inc. Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof
US8620644B2 (en) * 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
US7676360B2 (en) * 2005-12-01 2010-03-09 Sasken Communication Technologies Ltd. Method for scale-factor estimation in an audio encoder
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器
WO2007083952A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
JP4951985B2 (ja) * 2006-01-30 2012-06-13 ソニー株式会社 音声信号処理装置、音声信号処理システム、プログラム
US8612238B2 (en) 2006-02-07 2013-12-17 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
DE102006006066B4 (de) * 2006-02-09 2008-07-31 Infineon Technologies Ag Vorrichtung und Verfahren zur Detektion von Audio-Signalrahmen
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
AU2006340728B2 (en) * 2006-03-28 2010-08-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Enhanced method for signal shaping in multi-channel audio reconstruction
TWI517562B (zh) 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
DE602006010323D1 (de) 2006-04-13 2009-12-24 Fraunhofer Ges Forschung Audiosignaldekorrelator
DK2011234T3 (da) 2006-04-27 2011-03-14 Dolby Lab Licensing Corp Audioforstærkningskontrol anvendende specifik-lydstyrke-baseret auditiv hændelsesdetektering
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
EP2084901B1 (de) 2006-10-12 2015-12-09 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
CN101529721B (zh) 2006-10-20 2012-05-23 杜比实验室特许公司 使用复位的音频动态处理
KR101100221B1 (ko) 2006-11-15 2011-12-28 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
CA2670864C (en) 2006-12-07 2015-09-29 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US8265941B2 (en) 2006-12-07 2012-09-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
RU2417549C2 (ru) * 2006-12-07 2011-04-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки аудиосигнала
EP2595151A3 (de) * 2006-12-27 2013-11-13 Electronics and Telecommunications Research Institute Transkodierungsvorrichtung
US8200351B2 (en) * 2007-01-05 2012-06-12 STMicroelectronics Asia PTE., Ltd. Low power downmix energy equalization in parametric stereo encoders
WO2008084427A2 (en) * 2007-01-10 2008-07-17 Koninklijke Philips Electronics N.V. Audio decoder
JP5140684B2 (ja) * 2007-02-12 2013-02-06 ドルビー ラボラトリーズ ライセンシング コーポレイション 高齢又は聴覚障害聴取者のための非スピーチオーディオに対するスピーチオーディオの改善された比率
RU2440627C2 (ru) 2007-02-26 2012-01-20 Долби Лэборетериз Лайсенсинг Корпорейшн Повышение разборчивости речи в звукозаписи развлекательных программ
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
AU2008243406B2 (en) 2007-04-26 2011-08-25 Dolby International Ab Apparatus and method for synthesizing an output signal
EP2158587A4 (de) 2007-06-08 2010-06-02 Lg Electronics Inc Verfahren und vorrichtung zum verarbeiten eines audiosignals
US7953188B2 (en) * 2007-06-25 2011-05-31 Broadcom Corporation Method and system for rate>1 SFBC/STBC using hybrid maximum likelihood (ML)/minimum mean squared error (MMSE) estimation
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
EP2168122B1 (de) 2007-07-13 2011-11-30 Dolby Laboratories Licensing Corporation Tonverarbeitung mittels auditorischer szenenanalyse und spektraler asymmetrie
US8135230B2 (en) * 2007-07-30 2012-03-13 Dolby Laboratories Licensing Corporation Enhancing dynamic ranges of images
US8385556B1 (en) * 2007-08-17 2013-02-26 Dts, Inc. Parametric stereo conversion system and method
WO2009045649A1 (en) * 2007-08-20 2009-04-09 Neural Audio Corporation Phase decorrelation for audio processing
PT2186090T (pt) 2007-08-27 2017-03-07 ERICSSON TELEFON AB L M (publ) Detetor de transitórios e método para suportar codificação de um sinal de áudio
KR101290394B1 (ko) 2007-10-17 2013-07-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩
EP2227804B1 (de) * 2007-12-09 2017-10-25 LG Electronics Inc. Verfahren und vorrichtung zum verarbeiten eines signals
EP2232700B1 (de) 2007-12-21 2014-08-13 Dts Llc System zur einstellung der wahrgenommenen lautstärke von tonsignalen
US8483411B2 (en) 2008-01-01 2013-07-09 Lg Electronics Inc. Method and an apparatus for processing a signal
KR101449434B1 (ko) * 2008-03-04 2014-10-13 삼성전자주식회사 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치
TR201910850T4 (tr) 2008-03-10 2019-08-21 Fraunhofer Ges Forschung Geçici bir olayı olan bir ses sinyalini değiştirmek için cihaz ve metot
JP5340261B2 (ja) * 2008-03-19 2013-11-13 パナソニック株式会社 ステレオ信号符号化装置、ステレオ信号復号装置およびこれらの方法
US8605914B2 (en) * 2008-04-17 2013-12-10 Waves Audio Ltd. Nonlinear filter for separation of center sounds in stereophonic audio
KR20090110242A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 신호를 처리하는 방법 및 장치
KR101599875B1 (ko) * 2008-04-17 2016-03-14 삼성전자주식회사 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 부호화 방법 및 장치, 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 복호화 방법 및 장치
KR20090110244A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
KR101061129B1 (ko) * 2008-04-24 2011-08-31 엘지전자 주식회사 오디오 신호의 처리 방법 및 이의 장치
US8060042B2 (en) * 2008-05-23 2011-11-15 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US8630848B2 (en) 2008-05-30 2014-01-14 Digital Rise Technology Co., Ltd. Audio signal transient detection
WO2009146734A1 (en) * 2008-06-03 2009-12-10 Nokia Corporation Multi-channel audio coding
US8355921B2 (en) * 2008-06-13 2013-01-15 Nokia Corporation Method, apparatus and computer program product for providing improved audio processing
US8259938B2 (en) 2008-06-24 2012-09-04 Verance Corporation Efficient and secure forensic marking in compressed
JP5110529B2 (ja) * 2008-06-27 2012-12-26 日本電気株式会社 物標探査装置、物標探査プログラム及び物標探査方法
EP2144229A1 (de) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Effiziente Nutzung von Phaseninformationen beim Audio-Codieren und -Decodieren
KR101428487B1 (ko) 2008-07-11 2014-08-08 삼성전자주식회사 멀티 채널 부호화 및 복호화 방법 및 장치
KR101381513B1 (ko) * 2008-07-14 2014-04-07 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
EP2154911A1 (de) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines räumlichen Mehrkanalausgangsaudiosignals
EP2154910A1 (de) 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Mischen von Raumtonströmen
KR20100035121A (ko) * 2008-09-25 2010-04-02 엘지전자 주식회사 신호 처리 방법 및 이의 장치
WO2010036060A2 (en) 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
EP2169666B1 (de) 2008-09-25 2015-07-15 Lg Electronics Inc. Verfahren und Vorrichtung zur Verarbeitung eines Signals
TWI413109B (zh) * 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
EP2175670A1 (de) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaurale Aufbereitung eines Mehrkanal-Audiosignals
KR101600352B1 (ko) 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
JP5317177B2 (ja) * 2008-11-07 2013-10-16 日本電気株式会社 目標物探知装置及び目標物探知制御プログラム、目標物探知方法
JP5317176B2 (ja) * 2008-11-07 2013-10-16 日本電気株式会社 物体探査装置及び物体探査プログラム、物体探査方法
JP5309944B2 (ja) * 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
US8964994B2 (en) * 2008-12-15 2015-02-24 Orange Encoding of multichannel digital audio signals
TWI449442B (zh) * 2009-01-14 2014-08-11 Dolby Lab Licensing Corp 用於無回授之頻域主動矩陣解碼的方法與系統
EP2214161A1 (de) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zur Aufwärtsmischung eines Downmix-Tonsignals
EP2214162A1 (de) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aufwärtsmischer, Verfahren und Computerprogramm zur Aufwärtsmischung eines Downmix-Tonsignals
SG174207A1 (en) * 2009-03-03 2011-10-28 Agency Science Tech & Res Methods for determining whether a signal includes a wanted signal and apparatuses configured to determine whether a signal includes a wanted signal
US8666752B2 (en) * 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
ATE526662T1 (de) 2009-03-26 2011-10-15 Fraunhofer Ges Forschung Vorrichtung und verfahren zur änderung eines audiosignals
CN103325374B (zh) * 2009-04-08 2017-06-06 弗劳恩霍夫应用研究促进协会 使用相位值平滑对下混频音频信号进行上混频的装置、方法和计算机程序
CN101533641B (zh) 2009-04-20 2011-07-20 华为技术有限公司 对多声道信号的声道延迟参数进行修正的方法和装置
CN102307323B (zh) * 2009-04-20 2013-12-18 华为技术有限公司 对多声道信号的声道延迟参数进行修正的方法
CN101556799B (zh) * 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
WO2011013381A1 (ja) * 2009-07-31 2011-02-03 パナソニック株式会社 符号化装置および復号装置
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
KR101599884B1 (ko) * 2009-08-18 2016-03-04 삼성전자주식회사 멀티 채널 오디오 디코딩 방법 및 장치
EP2491554B1 (de) 2009-10-20 2014-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodiergerät, audiodekodiergerät, verfahren zur kodierung einer audioinformation, verfahren zur dekodierung einer audioinformation und computerprogramm mit einer regionsabhängigen arithmetischen kodierungszuordnungsregel
PL4152320T3 (pl) * 2009-10-21 2024-02-19 Dolby International Ab Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji
KR20110049068A (ko) * 2009-11-04 2011-05-12 삼성전자주식회사 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법
DE102009052992B3 (de) 2009-11-12 2011-03-17 Institut für Rundfunktechnik GmbH Verfahren zum Abmischen von Mikrofonsignalen einer Tonaufnahme mit mehreren Mikrofonen
US9324337B2 (en) * 2009-11-17 2016-04-26 Dolby Laboratories Licensing Corporation Method and system for dialog enhancement
BR112012014856B1 (pt) * 2009-12-16 2022-10-18 Dolby International Ab Método para fundir conjuntos de fonte de parâmetros de sbr a conjuntos-alvo de parâmetros de sbr, meio de armazenamento não transitório e unidade de fusão de parâmetros de sbr
FR2954640B1 (fr) * 2009-12-23 2012-01-20 Arkamys Procede d'optimisation de la reception stereo pour radio analogique et recepteur de radio analogique associe
JP5622865B2 (ja) 2010-01-12 2014-11-12 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． オーディオ符号化器、オーディオ復号器、オーディオ情報を符号化するための方法、オーディオ情報を復号するための方法、および以前の数値コンテキスト値の数値表現の修正を用いたコンピュータプログラム
US9025776B2 (en) * 2010-02-01 2015-05-05 Rensselaer Polytechnic Institute Decorrelating audio signals for stereophonic and surround sound using coded and maximum-length-class sequences
TWI557723B (zh) * 2010-02-18 2016-11-11 杜比實驗室特許公司 解碼方法及系統
US8428209B2 (en) * 2010-03-02 2013-04-23 Vt Idirect, Inc. System, apparatus, and method of frequency offset estimation and correction for mobile remotes in a communication network
JP5604933B2 (ja) * 2010-03-30 2014-10-15 富士通株式会社 ダウンミクス装置およびダウンミクス方法
KR20110116079A (ko) 2010-04-17 2011-10-25 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
CN102986254B (zh) * 2010-07-12 2015-06-17 华为技术有限公司 音频信号产生装置
JP6075743B2 (ja) * 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
MX2013002188A (es) * 2010-08-25 2013-03-18 Fraunhofer Ges Forschung Aparato para generar una señal decorrelacionada utilizando informacion de fase transmitida.
KR101697550B1 (ko) * 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
US8838978B2 (en) 2010-09-16 2014-09-16 Verance Corporation Content access management using extracted watermark information
WO2012037515A1 (en) 2010-09-17 2012-03-22 Xiph. Org. Methods and systems for adaptive time-frequency resolution in digital data coding
JP5533502B2 (ja) * 2010-09-28 2014-06-25 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
JP5681290B2 (ja) * 2010-09-28 2015-03-04 ホアウェイ・テクノロジーズ・カンパニー・リミテッド デコードされたマルチチャネルオーディオ信号またはデコードされたステレオ信号を後処理するためのデバイス
PL3518234T3 (pl) 2010-11-22 2024-04-08 Ntt Docomo, Inc. Urządzenie i sposób kodowania audio
TWI759223B (zh) * 2010-12-03 2022-03-21 美商杜比實驗室特許公司 音頻解碼裝置、音頻解碼方法及音頻編碼方法
EP2464146A1 (de) * 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Dekomposition eines Eingabesignals mit einer im Voraus berechneten Bezugskurve
EP2477188A1 (de) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierung und Decodierung von Slot-Positionen von Ereignissen in einem Audosignal-Frame
WO2012122297A1 (en) * 2011-03-07 2012-09-13 Xiph. Org. Methods and systems for avoiding partial collapse in multi-block audio coding
WO2012122303A1 (en) 2011-03-07 2012-09-13 Xiph. Org Method and system for two-step spreading for tonal artifact avoidance in audio coding
US9009036B2 (en) 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
RU2595912C2 (ru) 2011-05-26 2016-08-27 Конинклейке Филипс Н.В. Аудиосистема и способ для нее
US9129607B2 (en) 2011-06-28 2015-09-08 Adobe Systems Incorporated Method and apparatus for combining digital signals
US9546924B2 (en) * 2011-06-30 2017-01-17 Telefonaktiebolaget Lm Ericsson (Publ) Transform audio codec and methods for encoding and decoding a time segment of an audio signal
US8615104B2 (en) 2011-11-03 2013-12-24 Verance Corporation Watermark extraction based on tentative watermarks
US8533481B2 (en) 2011-11-03 2013-09-10 Verance Corporation Extraction of embedded watermarks from a host content based on extrapolation techniques
US8682026B2 (en) 2011-11-03 2014-03-25 Verance Corporation Efficient extraction of embedded watermarks in the presence of host content distortions
US8923548B2 (en) 2011-11-03 2014-12-30 Verance Corporation Extraction of embedded watermarks from a host content using a plurality of tentative watermarks
US8745403B2 (en) 2011-11-23 2014-06-03 Verance Corporation Enhanced content management based on watermark extraction records
US9547753B2 (en) 2011-12-13 2017-01-17 Verance Corporation Coordinated watermarking
US9323902B2 (en) 2011-12-13 2016-04-26 Verance Corporation Conditional access using embedded watermarks
EP2803066A1 (de) * 2012-01-11 2014-11-19 Dolby Laboratories Licensing Corporation Gleichzeitige sendergemischte und empfängergemischte zusätzlicher audiodienste
EP2834995B1 (de) 2012-04-05 2019-08-28 Nokia Technologies Oy Vorrichtung für flexible raumklangerfassung
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
US9571606B2 (en) 2012-08-31 2017-02-14 Verance Corporation Social media viewing system
WO2014038522A1 (ja) 2012-09-07 2014-03-13 ソニー株式会社 送信装置、送信方法、受信装置および受信方法
US8869222B2 (en) 2012-09-13 2014-10-21 Verance Corporation Second screen content
US9106964B2 (en) 2012-09-13 2015-08-11 Verance Corporation Enhanced content distribution using advertisements
US8726304B2 (en) 2012-09-13 2014-05-13 Verance Corporation Time varying evaluation of multimedia content
US9269363B2 (en) * 2012-11-02 2016-02-23 Dolby Laboratories Licensing Corporation Audio data hiding based on perceptual masking and detection based on code multiplexing
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
EP2956935B1 (de) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Steuerung der interkanalkohärenz von aufwärtsgemischten audiosignalen
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
US9191516B2 (en) * 2013-02-20 2015-11-17 Qualcomm Incorporated Teleconferencing using steganographically-embedded audio data
US9262793B2 (en) 2013-03-14 2016-02-16 Verance Corporation Transactional video marking system
US9786286B2 (en) * 2013-03-29 2017-10-10 Dolby Laboratories Licensing Corporation Methods and apparatuses for generating and using low-resolution preview tracks with high-quality encoded object and multichannel audio signals
US10635383B2 (en) 2013-04-04 2020-04-28 Nokia Technologies Oy Visual audio processing apparatus
WO2014161994A2 (en) * 2013-04-05 2014-10-09 Dolby International Ab Advanced quantizer
CN116741187A (zh) 2013-04-05 2023-09-12 杜比国际公司 立体声音频编码器和解码器
TWI546799B (zh) * 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
US9706324B2 (en) 2013-05-17 2017-07-11 Nokia Technologies Oy Spatial object oriented audio apparatus
WO2014187987A1 (en) * 2013-05-24 2014-11-27 Dolby International Ab Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
JP6305694B2 (ja) * 2013-05-31 2018-04-04 クラリオン株式会社 信号処理装置及び信号処理方法
JP6216553B2 (ja) * 2013-06-27 2017-10-18 クラリオン株式会社 伝搬遅延補正装置及び伝搬遅延補正方法
US9830918B2 (en) 2013-07-05 2017-11-28 Dolby International Ab Enhanced soundfield coding using parametric component generation
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
EP2830333A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Dekorrelator, mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit Vormischung von Dekorrelatoreingangssignalen
EP3022949B1 (de) 2013-07-22 2017-10-18 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. Mehrkanaliger audiodecodierer, mehrkanaliger audiocodierer, verfahren, computerprogramm und codierte audiodarstellung unter verwendung einer dekorrelation gerenderter audiosignale
EP2838086A1 (de) 2013-07-22 2015-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Reduktion von Kammfilterartefakten in einem Mehrkanal-Downmix mit adaptivem Phasenabgleich
EP2830335A3 (de) 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zur Zuordnung eines ersten und eines zweiten Eingabekanals an mindestens einen Ausgabekanal
EP2830336A3 (de) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Durch Renderer gesteuerter, räumlicher Upmix
EP2830065A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Decodierung eines codierten Audiosignals unter Verwendung eines Überschneidungsfilters um eine Übergangsfrequenz
US9251549B2 (en) 2013-07-23 2016-02-02 Verance Corporation Watermark extractor enhancements based on payload ranking
US9489952B2 (en) * 2013-09-11 2016-11-08 Bally Gaming, Inc. Wagering game having seamless looping of compressed audio
EP3044783B1 (de) 2013-09-12 2017-07-19 Dolby International AB Audiokodierung
KR102159990B1 (ko) 2013-09-17 2020-09-25 주식회사 윌러스표준기술연구소 멀티미디어 신호 처리 방법 및 장치
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
UA117258C2 (uk) 2013-10-21 2018-07-10 Долбі Інтернешнл Аб Структура декорелятора для параметричного відновлення звукових сигналів
CN105900455B (zh) 2013-10-22 2018-04-06 延世大学工业学术合作社 用于处理音频信号的方法和设备
EP2866227A1 (de) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer
US9208334B2 (en) 2013-10-25 2015-12-08 Verance Corporation Content management using multiple abstraction layers
WO2015099429A1 (ko) 2013-12-23 2015-07-02 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법, 이를 위한 파라메터화 장치 및 오디오 신호 처리 장치
CN103730112B (zh) * 2013-12-25 2016-08-31 讯飞智元信息科技有限公司 语音多信道模拟与采集方法
US9564136B2 (en) * 2014-03-06 2017-02-07 Dts, Inc. Post-encoding bitrate reduction of multiple object audio
JP2017514345A (ja) 2014-03-13 2017-06-01 ベランス・コーポレイション 埋め込みコードを用いた対話型コンテンツ取得
EP3122073B1 (de) 2014-03-19 2023-12-20 Wilus Institute of Standards and Technology Inc. Audiosignalverarbeitungsverfahren und -vorrichtung
US9848275B2 (en) 2014-04-02 2017-12-19 Wilus Institute Of Standards And Technology Inc. Audio signal processing method and device
WO2015170539A1 (ja) * 2014-05-08 2015-11-12 株式会社村田製作所 樹脂多層基板およびその製造方法
CN117612540A (zh) * 2014-06-27 2024-02-27 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
KR102655047B1 (ko) * 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
EP2980801A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Schätzung des Rauschens in einem Audiosignal, Rauschschätzer, Audiocodierer, Audiodecodierer und System zur Übertragung von Audiosignalen
CA2962806C (en) 2014-10-02 2023-03-14 Dolby International Ab Decoding method and decoder for dialog enhancement
US9609451B2 (en) * 2015-02-12 2017-03-28 Dts, Inc. Multi-rate system for audio processing
CN107430862B (zh) * 2015-02-27 2022-10-04 奥罗技术公司 数字数据集合的编码和解码
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
WO2016190089A1 (ja) * 2015-05-22 2016-12-01 ソニー株式会社 送信装置、送信方法、画像処理装置、画像処理方法、受信装置および受信方法
US10043527B1 (en) * 2015-07-17 2018-08-07 Digimarc Corporation Human auditory system modeling with masking energy adaptation
FR3048808A1 (fr) * 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
WO2017158105A1 (en) 2016-03-18 2017-09-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding by reconstructing phase information using a structure tensor on audio spectrograms
CN107731238B (zh) * 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
CN107886960B (zh) * 2016-09-30 2020-12-01 华为技术有限公司 一种音频信号重建方法及装置
US10362423B2 (en) 2016-10-13 2019-07-23 Qualcomm Incorporated Parametric audio decoding
PL3539126T3 (pl) 2016-11-08 2021-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób downmiksu lub upmiksu sygnału wielokanałowego przy wykorzystaniu kompensacji fazy
KR102201308B1 (ko) 2016-11-23 2021-01-11 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 상관해제 필터들의 적응적 제어를 위한 방법 및 장치
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US10210874B2 (en) * 2017-02-03 2019-02-19 Qualcomm Incorporated Multi channel coding
US10339947B2 (en) 2017-03-22 2019-07-02 Immersion Networks, Inc. System and method for processing audio data
EP3616196A4 (de) 2017-04-28 2021-01-20 DTS, Inc. Audiocodiererfenster- und -transformationsimplementierungen
CN107274907A (zh) * 2017-07-03 2017-10-20 北京小鱼在家科技有限公司 双麦克风设备上实现指向性拾音的方法和装置
ES3031961T3 (en) 2017-07-28 2025-07-14 Fraunhofer Ges Forschung Apparatus for decoding an encoded multichannel signal using a filling signal generated by a broad band filter
EP4117232A1 (de) 2017-09-15 2023-01-11 Samsung Electronics Co., Ltd. Elektronische vorrichtung und steuerungsverfahren dafür
KR102489914B1 (ko) 2017-09-15 2023-01-20 삼성전자주식회사 전자 장치 및 이의 제어 방법
US10553224B2 (en) * 2017-10-03 2020-02-04 Dolby Laboratories Licensing Corporation Method and system for inter-channel coding
US10854209B2 (en) * 2017-10-03 2020-12-01 Qualcomm Incorporated Multi-stream audio coding
EP3483883A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -dekodierung mit selektiver nachfilterung
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
EP3707706B1 (de) * 2017-11-10 2021-08-04 Nokia Technologies Oy Bestimmung der codierung von raumaudioparametern und zugehörige decodierung
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483880A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
US10306391B1 (en) 2017-12-18 2019-05-28 Apple Inc. Stereophonic to monophonic down-mixing
MY205827A (en) 2017-12-19 2024-11-14 Dolby Int Ab Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements
TWI812658B (zh) * 2017-12-19 2023-08-21 瑞典商都比國際公司 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統
JP7596146B2 (ja) 2017-12-19 2024-12-09 ドルビー・インターナショナル・アーベー 音声音響統合復号および符号化の改良のための方法、機器、およびシステム
TWI895201B (zh) 2018-01-26 2025-08-21 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
JP7381483B2 (ja) * 2018-04-04 2023-11-15 ハーマン インターナショナル インダストリーズ インコーポレイテッド 自然な空間多様性をシミュレートするための動的オーディオアップミキサのパラメータ
US11523212B2 (en) 2018-06-01 2022-12-06 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
GB2577698A (en) * 2018-10-02 2020-04-08 Nokia Technologies Oy Selection of quantisation schemes for spatial audio parameter encoding
US11544032B2 (en) * 2019-01-24 2023-01-03 Dolby Laboratories Licensing Corporation Audio connection and transmission device
AU2020233210B2 (en) 2019-03-06 2023-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downmixer and method of downmixing
CN113841419B (zh) 2019-03-21 2024-11-12 舒尔获得控股公司 天花板阵列麦克风的外壳及相关联设计特征
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
CN118803494B (zh) 2019-03-21 2025-09-19 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
EP3719799A1 (de) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Mehrkanaliger audiocodierer, decodierer, verfahren und computerprogramm zum umschalten zwischen einem parametrischen mehrkanalbetrieb und einem einzelkanalbetrieb
WO2020216459A1 (en) * 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
CN114051738B (zh) 2019-05-23 2024-10-01 舒尔获得控股公司 可操纵扬声器阵列、系统及其方法
US11056114B2 (en) * 2019-05-30 2021-07-06 International Business Machines Corporation Voice response interfacing with multiple smart devices of different types
CN114051637B (zh) 2019-05-31 2025-10-28 舒尔获得控股公司 集成语音及噪声活动检测的低延时自动混波器
CN112218020B (zh) * 2019-07-09 2023-03-21 海信视像科技股份有限公司 一种多声道平台音频数据传输方法及其装置
CN114467312A (zh) 2019-08-23 2022-05-10 舒尔获得控股公司 具有改进方向性的二维麦克风阵列
US11270712B2 (en) 2019-08-28 2022-03-08 Insoundz Ltd. System and method for separation of audio sources that interfere with each other using a microphone array
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
DE102019219922B4 (de) 2019-12-17 2023-07-20 Volkswagen Aktiengesellschaft Verfahren zur Übertragung einer Mehrzahl an Signalen sowie Verfahren zum Empfang einer Mehrzahl an Signalen
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
TWI908813B (zh) * 2020-06-11 2025-12-21 美商杜拜研究特許公司 針對低延遲音訊編解碼器之參數之量化及熵編碼
CN112153535B (zh) * 2020-09-03 2022-04-08 Oppo广东移动通信有限公司 一种声场扩展方法、电路、电子设备及存储介质
MX2023004248A (es) 2020-10-13 2023-06-08 Fraunhofer Ges Forschung Aparato y metodo para codificar una pluralidad de objetos de audio usando informacion de direccion durante una mezcla descendente o aparato y metodo para decodificacion usando una sintesis de covarianza optimizada.
CA3195301A1 (en) * 2020-10-13 2022-04-21 Andrea EICHENSEER Apparatus and method for encoding a plurality of audio objects and apparatus and method for decoding using two or more relevant audio objects
TWI772930B (zh) * 2020-10-21 2022-08-01 美商音美得股份有限公司 適合即時應用之分析濾波器組及其運算程序、基於分析濾波器組之信號處理系統及程序
CN112309419B (zh) * 2020-10-30 2023-05-02 浙江蓝鸽科技有限公司 多路音频的降噪、输出方法及其系统
CN112566008A (zh) * 2020-12-28 2021-03-26 科大讯飞(苏州)科技有限公司 音频上混方法、装置、电子设备和存储介质
CN112584300B (zh) * 2020-12-28 2023-05-30 科大讯飞(苏州)科技有限公司 音频上混方法、装置、电子设备和存储介质
CN116918351A (zh) 2021-01-28 2023-10-20 舒尔获得控股公司 混合音频波束成形系统
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
ES3008258T3 (en) * 2021-03-11 2025-03-21 Fraunhofer Ges Forschung Audio decorrelator, processing system and method for decorrelating an audio signal
US11837244B2 (en) 2021-03-29 2023-12-05 Invictumtech Inc. Analysis filter bank and computing procedure thereof, analysis filter bank based signal processing system and procedure suitable for real-time applications
KR20230165855A (ko) * 2021-04-08 2023-12-05 노키아 테크놀로지스 오와이 공간 오디오 객체 분리
CN117242775A (zh) * 2021-04-26 2023-12-15 华为技术有限公司 并行熵译码
US12308035B2 (en) * 2021-06-11 2025-05-20 Microsoft Technology Licensing, Llc System and method for self-attention-based combining of multichannel signals for speech processing
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
CN115881139A (zh) * 2021-09-29 2023-03-31 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
WO2023059655A1 (en) 2021-10-04 2023-04-13 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4427465A1 (de) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Verteilter algorithmus zur automatischen mischung von sprache über drahtlose netzwerke
WO2023133513A1 (en) 2022-01-07 2023-07-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
EP4383706A1 (de) * 2022-12-07 2024-06-12 Imagination Technologies Limited Bilddatendekomprimierung

Family Cites Families (159)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US554334A (en) * 1896-02-11 Folding or portable stove
US1124580A (en) 1911-07-03 1915-01-12 Edward H Amet Method of and means for localizing sound reproduction.
US1850130A (en) 1928-10-31 1932-03-22 American Telephone & Telegraph Talking moving picture system
US1855147A (en) 1929-01-11 1932-04-19 Jones W Bartlett Distortion in sound transmission
US2114680A (en) 1934-12-24 1938-04-19 Rca Corp System for the reproduction of sound
US2860541A (en) 1954-04-27 1958-11-18 Vitarama Corp Wireless control for recording sound for stereophonic reproduction
US2819342A (en) 1954-12-30 1958-01-07 Bell Telephone Labor Inc Monaural-binaural transmission of sound
US2927963A (en) 1955-01-04 1960-03-08 Jordan Robert Oakes Single channel binaural or stereo-phonic sound system
US3046337A (en) 1957-08-05 1962-07-24 Hamner Electronics Company Inc Stereophonic sound
US3067292A (en) 1958-02-03 1962-12-04 Jerry B Minter Stereophonic sound transmission and reproduction
US3846719A (en) 1973-09-13 1974-11-05 Dolby Laboratories Inc Noise reduction systems
US4308719A (en) * 1979-08-09 1982-01-05 Abrahamson Daniel P Fluid power system
DE3040896C2 (de) 1979-11-01 1986-08-28 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Schaltungsanordnung zur Erzeugung und Aufbereitung stereophoner Signale aus einem monophonen Signal
US4308424A (en) 1980-04-14 1981-12-29 Bice Jr Robert G Simulated stereo from a monaural source sound reproduction system
US4624009A (en) 1980-05-02 1986-11-18 Figgie International, Inc. Signal pattern encoder and classifier
US4464784A (en) 1981-04-30 1984-08-07 Eventide Clockworks, Inc. Pitch changer with glitch minimizer
US4941177A (en) 1985-03-07 1990-07-10 Dolby Laboratories Licensing Corporation Variable matrix decoder
US5046098A (en) 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
US4799260A (en) 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US4922535A (en) 1986-03-03 1990-05-01 Dolby Ray Milton Transient control aspects of circuit arrangements for altering the dynamic range of audio signals
US5040081A (en) 1986-09-23 1991-08-13 Mccutchen David Audiovisual synchronization signal generator using audio signature comparison
US5055939A (en) 1987-12-15 1991-10-08 Karamon John J Method system & apparatus for synchronizing an auxiliary sound source containing multiple language channels with motion picture film video tape or other picture source containing a sound track
US4932059A (en) 1988-01-11 1990-06-05 Fosgate Inc. Variable matrix decoder for periphonic reproduction of sound
US5164840A (en) 1988-08-29 1992-11-17 Matsushita Electric Industrial Co., Ltd. Apparatus for supplying control codes to sound field reproduction apparatus
US5105462A (en) 1989-08-28 1992-04-14 Qsound Ltd. Sound imaging method and apparatus
US5040217A (en) 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
CN1062963C (zh) 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
US5625696A (en) 1990-06-08 1997-04-29 Harman International Industries, Inc. Six-axis surround sound processor with improved matrix and cancellation control
US5504819A (en) 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5428687A (en) 1990-06-08 1995-06-27 James W. Fosgate Control voltage generator multiplier and one-shot for integrated surround sound processor
US5172415A (en) 1990-06-08 1992-12-15 Fosgate James W Surround processor
AU8053691A (en) * 1990-06-15 1992-01-07 Auris Corp. Method for eliminating the precedence effect in stereophonic sound systems and recording made with said method
US5121433A (en) * 1990-06-15 1992-06-09 Auris Corp. Apparatus and method for controlling the magnitude spectrum of acoustically combined signals
US5235646A (en) * 1990-06-15 1993-08-10 Wilde Martin D Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby
GB2262992B (en) 1990-06-21 1995-07-05 Reynolds Software Inc Method and apparatus for wave analysis and event recognition
CA2077662C (en) 1991-01-08 2001-04-17 Mark Franklin Davis Encoder/decoder for multidimensional sound fields
US5274740A (en) 1991-01-08 1993-12-28 Dolby Laboratories Licensing Corporation Decoder for variable number of channel presentation of multidimensional sound fields
NL9100173A (nl) 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
JPH0525025A (ja) * 1991-07-22 1993-02-02 Kao Corp 毛髪化粧料
US5175769A (en) 1991-07-23 1992-12-29 Rolm Systems Method for time-scale modification of signals
US5173944A (en) * 1992-01-29 1992-12-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Head related transfer function pseudo-stereophony
FR2700632B1 (fr) 1993-01-21 1995-03-24 France Telecom Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.
US5463424A (en) * 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
US5394472A (en) * 1993-08-09 1995-02-28 Richard G. Broadie Monaural to stereo sound translation process and apparatus
US5659619A (en) * 1994-05-11 1997-08-19 Aureal Semiconductor, Inc. Three-dimensional virtual audio display employing reduced complexity imaging filters
TW295747B (de) * 1994-06-13 1997-01-11 Sony Co Ltd
US5727119A (en) 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
JPH09102742A (ja) * 1995-10-05 1997-04-15 Sony Corp 符号化方法および装置、復号化方法および装置、並びに記録媒体
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5742689A (en) * 1996-01-04 1998-04-21 Virtual Listening Systems, Inc. Method and device for processing a multichannel signal for use with a headphone
AU709051B2 (en) 1996-01-19 1999-08-19 Helmut Kahl Electrically screening housing
US5857026A (en) * 1996-03-26 1999-01-05 Scheiber; Peter Space-mapping sound system
US6430533B1 (en) 1996-05-03 2002-08-06 Lsi Logic Corporation Audio decoder core MPEG-1/MPEG-2/AC-3 functional algorithm partitioning and implementation
US5870480A (en) * 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
JPH1074097A (ja) 1996-07-26 1998-03-17 Ind Technol Res Inst オーディオ信号のパラメータを変更する方法及び装置
US6049766A (en) 1996-11-07 2000-04-11 Creative Technology Ltd. Time-domain time/pitch scaling of speech or audio signals with transient handling
US5862228A (en) 1997-02-21 1999-01-19 Dolby Laboratories Licensing Corporation Audio matrix encoding
US6111958A (en) * 1997-03-21 2000-08-29 Euphonics, Incorporated Audio spatial enhancement apparatus and methods
US6211919B1 (en) 1997-03-28 2001-04-03 Tektronix, Inc. Transparent embedment of data in a video signal
TW384434B (en) * 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
JPH1132399A (ja) * 1997-05-13 1999-02-02 Sony Corp 符号化方法及び装置、並びに記録媒体
US5890125A (en) * 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
US6330672B1 (en) 1997-12-03 2001-12-11 At&T Corp. Method and apparatus for watermarking digital bitstreams
TW358925B (en) * 1997-12-31 1999-05-21 Ind Tech Res Inst Improvement of oscillation encoding of a low bit rate sine conversion language encoder
TW374152B (en) * 1998-03-17 1999-11-11 Aurix Ltd Voice analysis system
GB2343347B (en) * 1998-06-20 2002-12-31 Central Research Lab Ltd A method of synthesising an audio signal
GB2340351B (en) 1998-07-29 2004-06-09 British Broadcasting Corp Data transmission
US6266644B1 (en) 1998-09-26 2001-07-24 Liquid Audio, Inc. Audio encoding apparatus and methods
JP2000152399A (ja) * 1998-11-12 2000-05-30 Yamaha Corp 音場効果制御装置
SE9903552D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
DK1173925T3 (da) 1999-04-07 2004-03-29 Dolby Lab Licensing Corp Matriksforbedringer til tabsfri kodning og dekodning
EP1054575A3 (de) * 1999-05-17 2002-09-18 Bose Corporation Richtdekodierer
US6389562B1 (en) * 1999-06-29 2002-05-14 Sony Corporation Source code shuffling to provide for robust error recovery
US7184556B1 (en) * 1999-08-11 2007-02-27 Microsoft Corporation Compensation system and method for sound reproduction
US6931370B1 (en) * 1999-11-02 2005-08-16 Digital Theater Systems, Inc. System and method for providing interactive audio in a multi-channel audio environment
JP2003514260A (ja) 1999-11-11 2003-04-15 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 スピーチ認識のための音調特徴
TW510143B (en) 1999-12-03 2002-11-11 Dolby Lab Licensing Corp Method for deriving at least three audio signals from two input audio signals
US6970567B1 (en) 1999-12-03 2005-11-29 Dolby Laboratories Licensing Corporation Method and apparatus for deriving at least one audio signal from two or more input audio signals
US6920223B1 (en) 1999-12-03 2005-07-19 Dolby Laboratories Licensing Corporation Method for deriving at least three audio signals from two input audio signals
FR2802329B1 (fr) 1999-12-08 2003-03-28 France Telecom Procede de traitement d'au moins un flux binaire audio code organise sous la forme de trames
KR100780561B1 (ko) * 2000-03-15 2007-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 라게르 함수를 이용한 오디오 코딩 장치 및 방법
US7212872B1 (en) * 2000-05-10 2007-05-01 Dts, Inc. Discrete multichannel audio with a backward compatible mix
US7076071B2 (en) * 2000-06-12 2006-07-11 Robert A. Katz Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
WO2002007481A2 (en) * 2000-07-19 2002-01-24 Koninklijke Philips Electronics N.V. Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal
CN100431355C (zh) 2000-08-16 2008-11-05 多尔拜实验特许公司 响应补充信息修改音频或视频感知编码系统的一个或多个参数
TW576122B (en) 2000-08-31 2004-02-11 Dolby Lab Licensing Corp Method for apparatus for audio matrix decoding
US20020054685A1 (en) * 2000-11-09 2002-05-09 Carlos Avendano System for suppressing acoustic echoes and interferences in multi-channel audio systems
US7382888B2 (en) * 2000-12-12 2008-06-03 Bose Corporation Phase shifting audio signal combining
DE60225806T2 (de) 2001-02-07 2009-04-30 Dolby Laboratories Licensing Corp., San Francisco Audiokanalübersetzung
US20040062401A1 (en) 2002-02-07 2004-04-01 Davis Mark Franklin Audio channel translation
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
WO2004019656A2 (en) 2001-02-07 2004-03-04 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US7254239B2 (en) * 2001-02-09 2007-08-07 Thx Ltd. Sound system and method of sound reproduction
JP3404024B2 (ja) * 2001-02-27 2003-05-06 三菱電機株式会社 音声符号化方法および音声符号化装置
MXPA03009357A (es) 2001-04-13 2004-02-18 Dolby Lab Licensing Corp Escalamiento en el tiempo y escalamiento en el tono de alta calidad de senales de audio.
US7461002B2 (en) 2001-04-13 2008-12-02 Dolby Laboratories Licensing Corporation Method for time aligning audio signals using characterizations based on auditory events
US7283954B2 (en) 2001-04-13 2007-10-16 Dolby Laboratories Licensing Corporation Comparing audio using characterizations based on auditory events
WO2002097790A1 (en) 2001-05-25 2002-12-05 Dolby Laboratories Licensing Corporation Comparing audio using characterizations based on auditory events
US7610205B2 (en) 2002-02-12 2009-10-27 Dolby Laboratories Licensing Corporation High quality time-scaling and pitch-scaling of audio signals
US7711123B2 (en) 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US20030035553A1 (en) 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US6807528B1 (en) 2001-05-08 2004-10-19 Dolby Laboratories Licensing Corporation Adding data to a compressed data frame
JP4290997B2 (ja) 2001-05-10 2009-07-08 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション プレノイズの縮減による低ビットレートオーディオコーディングにおけるトランジエント効率の改善
TW552580B (en) * 2001-05-11 2003-09-11 Syntek Semiconductor Co Ltd Fast ADPCM method and minimum logic implementation circuit
MXPA03010751A (es) 2001-05-25 2005-03-07 Dolby Lab Licensing Corp Segmentacion de senales de audio en eventos auditivos.
TW556153B (en) * 2001-06-01 2003-10-01 Syntek Semiconductor Co Ltd Fast adaptive differential pulse coding modulation method for random access and channel noise resistance
TW569551B (en) * 2001-09-25 2004-01-01 Roger Wallace Dressler Method and apparatus for multichannel logic matrix decoding
TW526466B (en) * 2001-10-26 2003-04-01 Inventec Besta Co Ltd Encoding and voice integration method of phoneme
JP2005509926A (ja) * 2001-11-23 2005-04-14 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 知覚ノイズの置換え
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US20040037421A1 (en) 2001-12-17 2004-02-26 Truman Michael Mead Parital encryption of assembled bitstreams
ES2255678T3 (es) * 2002-02-18 2006-07-01 Koninklijke Philips Electronics N.V. Codificacion de audio parametrica.
EP1339230A3 (de) 2002-02-26 2004-11-24 Broadcom Corporation Audiosignalskalierungeinstellung mit Hilfe eines Pilotsignales
WO2003077425A1 (en) 2002-03-08 2003-09-18 Nippon Telegraph And Telephone Corporation Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program
DE10217567A1 (de) 2002-04-19 2003-11-13 Infineon Technologies Ag Halbleiterbauelement mit integrierter Kapazitätsstruktur und Verfahren zu dessen Herstellung
EP1881486B1 (de) 2002-04-22 2009-03-18 Koninklijke Philips Electronics N.V. Dekodiervorrichtung mit Dekorreliereinheit
EP1500082B1 (de) * 2002-04-22 2007-02-14 Koninklijke Philips Electronics N.V. Signalsynthese
US7428440B2 (en) * 2002-04-23 2008-09-23 Realnetworks, Inc. Method and apparatus for preserving matrix surround information in encoded audio/video
AU2003264750A1 (en) * 2002-05-03 2003-11-17 Harman International Industries, Incorporated Multi-channel downmixing device
US7257231B1 (en) * 2002-06-04 2007-08-14 Creative Technology Ltd. Stream segregation for stereo signals
US7567845B1 (en) * 2002-06-04 2009-07-28 Creative Technology Ltd Ambience generation for stereo signals
TWI225640B (en) 2002-06-28 2004-12-21 Samsung Electronics Co Ltd Voice recognition device, observation probability calculating device, complex fast fourier transform calculation device and method, cache device, and method of controlling the cache device
BR0305555A (pt) * 2002-07-16 2004-09-28 Koninkl Philips Electronics Nv Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
DE10236694A1 (de) 2002-08-09 2004-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
US7454331B2 (en) 2002-08-30 2008-11-18 Dolby Laboratories Licensing Corporation Controlling loudness of speech in signals that contain speech and other types of audio material
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
JP3938015B2 (ja) 2002-11-19 2007-06-27 ヤマハ株式会社 音声再生装置
WO2004073178A2 (en) 2003-02-06 2004-08-26 Dolby Laboratories Licensing Corporation Continuous backup audio
CN1748443B (zh) * 2003-03-04 2010-09-22 诺基亚有限公司 多声道音频扩展支持
KR100493172B1 (ko) * 2003-03-06 2005-06-02 삼성전자주식회사 마이크로폰 어레이 구조, 이를 이용한 일정한 지향성을갖는 빔 형성방법 및 장치와 음원방향 추정방법 및 장치
TWI223791B (en) * 2003-04-14 2004-11-11 Ind Tech Res Inst Method and system for utterance verification
SG185134A1 (en) 2003-05-28 2012-11-29 Dolby Lab Licensing Corp Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
US7398207B2 (en) 2003-08-25 2008-07-08 Time Warner Interactive Video Group, Inc. Methods and systems for determining audio loudness levels in programming
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
BR122018007834B1 (pt) * 2003-10-30 2019-03-19 Koninklijke Philips Electronics N.V. Codificador e decodificador de áudio avançado de estéreo paramétrico combinado e de replicação de banda espectral, método de codificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, sinal de áudio avançado codificado de estéreo paramétrico combinado e de replicação de banda espectral, método de decodificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, e, meio de armazenamento legível por computador
US7412380B1 (en) * 2003-12-17 2008-08-12 Creative Technology Ltd. Ambience extraction and modification for enhancement and upmix of audio signals
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
CA3026267C (en) 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
US7639823B2 (en) * 2004-03-03 2009-12-29 Agere Systems Inc. Audio mixing using magnitude equalization
US7617109B2 (en) 2004-07-01 2009-11-10 Dolby Laboratories Licensing Corporation Method for correcting metadata affecting the playback loudness and dynamic range of audio information
US7508947B2 (en) 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
SE0402651D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods for interpolation and parameter signalling
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
TW200638335A (en) 2005-04-13 2006-11-01 Dolby Lab Licensing Corp Audio metadata verification
TWI397903B (zh) 2005-04-13 2013-06-01 Dolby Lab Licensing Corp 編碼音訊之節約音量測量技術
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
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
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
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
DK2011234T3 (da) 2006-04-27 2011-03-14 Dolby Lab Licensing Corp Audioforstærkningskontrol anvendende specifik-lydstyrke-baseret auditiv hændelsesdetektering
JP2009117000A (ja) * 2007-11-09 2009-05-28 Funai Electric Co Ltd 光ピックアップ
ATE518222T1 (de) 2007-11-23 2011-08-15 Michal Markiewicz SYSTEM ZUR ÜBERWACHUNG DES STRAßENVERKEHRS
CN103387583B (zh) * 2012-05-09 2018-04-13 中国科学院上海药物研究所 二芳基并[a,g]喹嗪类化合物、其制备方法、药物组合物及其应用

Also Published As

Publication number Publication date
CA3026276C (en) 2019-04-16
EP1914722B1 (de) 2009-04-29
TWI397902B (zh) 2013-06-01
CN1926607A (zh) 2007-03-07
TWI484478B (zh) 2015-05-11
ATE390683T1 (de) 2008-04-15
TW201329959A (zh) 2013-07-16
WO2005086139A1 (en) 2005-09-15
AU2005219956A1 (en) 2005-09-15
CA2992051A1 (en) 2005-09-15
KR20060132682A (ko) 2006-12-21
US9715882B2 (en) 2017-07-25
BRPI0508343A (pt) 2007-07-24
US20150187362A1 (en) 2015-07-02
HK1142431A1 (en) 2010-12-03
US20190122683A1 (en) 2019-04-25
CA2992065A1 (en) 2005-09-15
CA2992051C (en) 2019-01-22
US10269364B2 (en) 2019-04-23
US20190147898A1 (en) 2019-05-16
US20160189718A1 (en) 2016-06-30
CA2992089A1 (en) 2005-09-15
CA2556575A1 (en) 2005-09-15
ATE527654T1 (de) 2011-10-15
US8983834B2 (en) 2015-03-17
US11308969B2 (en) 2022-04-19
CN102169693B (zh) 2014-07-23
US9704499B1 (en) 2017-07-11
EP1721312B1 (de) 2008-03-26
US20070140499A1 (en) 2007-06-21
IL177094A (en) 2010-11-30
CA2917518C (en) 2018-04-03
MY145083A (en) 2011-12-15
CA2992125C (en) 2018-09-25
US20160189723A1 (en) 2016-06-30
TW200537436A (en) 2005-11-16
BRPI0508343B1 (pt) 2018-11-06
CN1926607B (zh) 2011-07-06
US9640188B2 (en) 2017-05-02
EP2224430B1 (de) 2011-10-05
SG10201605609PA (en) 2016-08-30
US9691405B1 (en) 2017-06-27
JP4867914B2 (ja) 2012-02-01
TWI498883B (zh) 2015-09-01
EP2065885A1 (de) 2009-06-03
EP2065885B1 (de) 2010-07-28
US20170148456A1 (en) 2017-05-25
EP1721312A1 (de) 2006-11-15
US9779745B2 (en) 2017-10-03
CN102176311A (zh) 2011-09-07
AU2005219956B2 (en) 2009-05-28
US20170178652A1 (en) 2017-06-22
CN102169693A (zh) 2011-08-31
US9520135B2 (en) 2016-12-13
CA2917518A1 (en) 2005-09-15
US20200066287A1 (en) 2020-02-27
US9691404B2 (en) 2017-06-27
CA2992089C (en) 2018-08-21
AU2009202483B2 (en) 2012-07-19
DE602005005640D1 (de) 2008-05-08
KR101079066B1 (ko) 2011-11-02
EP2224430A2 (de) 2010-09-01
DE602005022641D1 (de) 2010-09-09
CA3035175C (en) 2020-02-25
CA2556575C (en) 2013-07-02
CA3026245C (en) 2019-04-09
CA2992097A1 (en) 2005-09-15
DE602005005640T2 (de) 2009-05-14
HK1092580A1 (en) 2007-02-09
US20210090583A1 (en) 2021-03-25
US9454969B2 (en) 2016-09-27
US20170076731A1 (en) 2017-03-16
ES2324926T3 (es) 2009-08-19
HK1128100A1 (en) 2009-10-16
US8170882B2 (en) 2012-05-01
US20170178650A1 (en) 2017-06-22
US9697842B1 (en) 2017-07-04
US20170178651A1 (en) 2017-06-22
CA3026267A1 (en) 2005-09-15
US10403297B2 (en) 2019-09-03
US9672839B1 (en) 2017-06-06
JP2007526522A (ja) 2007-09-13
AU2009202483A1 (en) 2009-07-16
CA2992097C (en) 2018-09-11
TW201331932A (zh) 2013-08-01
EP1914722A1 (de) 2008-04-23
IL177094A0 (en) 2006-12-10
CA2992065C (en) 2018-11-20
CN102176311B (zh) 2014-09-10
HK1119820A1 (en) 2009-03-13
CA3026267C (en) 2019-04-16
US10796706B2 (en) 2020-10-06
US20170365268A1 (en) 2017-12-21
CA3026245A1 (en) 2005-09-15
CA3035175A1 (en) 2012-12-27
US20080031463A1 (en) 2008-02-07
SG10202004688SA (en) 2020-06-29
CA3026276A1 (en) 2012-12-27
EP2224430A3 (de) 2010-09-15
US20170178653A1 (en) 2017-06-22
ATE430360T1 (de) 2009-05-15
US10460740B2 (en) 2019-10-29
US20170148458A1 (en) 2017-05-25
SG149871A1 (en) 2009-02-27
CA2992125A1 (en) 2005-09-15
DE602005014288D1 (de) 2009-06-10
US9311922B2 (en) 2016-04-12
US20170148457A1 (en) 2017-05-25

Similar Documents

Publication Publication Date Title
ATE430360T1 (de) Mehrkanalige audiodekodierung
JP2007526522A5 (de)
MX2007005262A (es) Codificacion y decodificacion de senales de audio de varios canales.
WO2005093717A8 (en) Synthesizing a mono audio signal based on an encoded miltichannel audio signal
DK1016320T3 (da) Fremgangsmåde og apparat til indkodning og dekodning af multiple audiokanaler ved lave bithastigheder
AU2001247265A1 (en) Communication system noise cancellation power signal calculation techniques
WO2008046530A3 (en) Apparatus and method for multi -channel parameter transformation
WO2006050112A8 (en) Audio spatial environment engine
AU2007315373A8 (en) Device and method for postprocessing spectral values and encoder and decoder for audio signals
EP1909265A3 (de) Erweiterte Verfahren zur Interpolation und Parametersignalisierung
DK1825461T3 (da) Fremgangsmåde og indretning til kunstig udvidelse af båndbredden af talesignaler
ATE442644T1 (de) Mehrkanalige signal-dekodierung
WO2006010026A3 (en) Method and communication unit for use in a wideband wireless communication system
RU2004118840A (ru) Способ замещения воспринимаемого шума
JP2005024487A5 (de)
CA2352416A1 (en) Audio encoder and psychoacoustic analyzing method therefor
KR20140085596A (ko) 오디오 인코딩을 위한 장치 및 방법
ATE527653T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von digitalen signalen
TW200636676A (en) Method for representing multi-channel audio signals
WO2000044196A3 (de) Vorrichtung und verfahren zur qualitätsbeurteilung von mehrkanaligen audiosignalen
CN102395097A (zh) 一种多声道音频信号缩混方法及系统
DE602004031027D1 (de)
WO2003024332A3 (de) Verfahren zur restauration defekter kanäle in vielkanal-strahlendetektor
RU2008112174A (ru) Способ и устройство для декорирования аудиосигнала
WO2001078241A3 (en) Upstream data transmission

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 2065885

Country of ref document: EP