DK3104367T3 - Parametrisk stereo audiodekodning - Google Patents

Parametrisk stereo audiodekodning Download PDF

Info

Publication number
DK3104367T3
DK3104367T3 DK16181505.5T DK16181505T DK3104367T3 DK 3104367 T3 DK3104367 T3 DK 3104367T3 DK 16181505 T DK16181505 T DK 16181505T DK 3104367 T3 DK3104367 T3 DK 3104367T3
Authority
DK
Denmark
Prior art keywords
stereo
signal
width
parameter
receiver
Prior art date
Application number
DK16181505.5T
Other languages
English (en)
Inventor
Frederik Henn
Lars Gustaf Liljeryd
Jonas Engdegard
Jonas Röden
Kristofer Kjörling
Original Assignee
Dolby Int Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27354735&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK3104367(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from SE0102481A external-priority patent/SE0102481D0/xx
Priority claimed from SE0200796A external-priority patent/SE0200796D0/xx
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Application granted granted Critical
Publication of DK3104367T3 publication Critical patent/DK3104367T3/da

Links

Classifications

    • 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 
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)

Claims (12)

1. Modtager, omfattende: en demultipleksenhed (113) til at demultiplekse en bitstrøm for at opnå et monosignal og stereobreddeparametre; en dekoder (115) indrettet til at dekode monosignalet: kendetegnet ved, at: modtageren er indrettet til at interpolere mellem adskillige tidsfortløbende stereobreddeparametre for at opnå en interpoleret stereo-breddegevinstværdi, hvor interpoleringen omfatter at udglatte stereo-breddegevinstværdier over et tidssegment med adskillige stereobreddeparametre, hvor en stereobreddegevinstværdi er en funktion af en stereobreddeparameter, hvor en stereobreddeparameter indikerer en mængde stereoperspektiv, der forekommer i en første kanal og en anden kanal af et stereosignal, og modtageren endvidere omfatter: en parameterstereodekoder (119), der omfatter en breddeblok (205) indrettet til at anvende stereobreddeparametrene på et dekodet monosignal for at opnå et stereooutput, hvor breddeblokken (205) omfatter en pseudostereogenerator, og hvor pseudostereogenera-toren omfatter en variabel gevinstforstærker (215) indrettet til at forstærke det dekodede monosignal, og hvor pseudostereogeneratoren er indrettet til at indstille en gevinst af den variable gevinstforstærker (215) til den interpolerede stereobreddegevinstværdi, at forsinke outputtet fra den variable gevinstforstærker for at opnå et forsinket signal (221) og til at tilføje (223, 225) det forsinkede signal til to direkte signalinstanser af det dekodede monosignal ved anvendelse af modsatte fortegn.
2. Modtager ifølge krav 1, der endvidere omfatter en kompensationsforstærker (213) indrettet til at anvende en kompensationsforstærkning på et direkte signal.
3. Modtager ifølge krav 2, der endvidere omfatter en højfrekvensroll-offindretning (217) i en forsinkelsessignalvej.
4. Modtager ifølge krav 1, hvor den parametriske stereodekoder (119) omfatter: et overgangsfilter, der omfatter et lavpasfilter (203) og et højpasfilter (201), hvor den parametriske stereogenerator (119) er indrettet til at dirigere et output fra højpasfilteret (201) til breddeblokken (205) og til at tilføre (207, 209) et monooutput fra lavpasfilteret (203) til et stereooutput fra breddeblokken (205) for at opnå stereoudgangssignalet.
5. Modtager ifølge krav 1, hvor den parametriske stereodekoder (119) omfatter en balanceringsblok (211) styret af en balanceringsparameter (B) modtaget fra bitstrømmen og indrettet til at modtage stereooutputtet.
6. Modtager ifølge krav 1, hvor breddeblokken (205) er indrettet til fra bitstrømmen (111) endvidere at modtage en roll-offfilterparameter (S) eller en forsinkelsesparameter (D) og at anvende roll-offfilterparameteren (S) eller forsinkelsesparameteren (D) på det dekodede monosignal.
7. Modtager ifølge krav 1, hvor breddeblokken (205) omfatter en efterklangsenhed, og hvor den parametriske stereodekoder (119) er indrettet til at ændre en gevinst til et efterklangssignal til at dæmpe eller fjerne en uønsket efterklangsrest i en lydende.
8. Modtager ifølge krav 1, hvor udglatningen udføres med forskellige attack- og releasetidskonstanter.
9. Modtager ifølge krav 1, hvor udglatningen udføres ved anvendelse af et udglatningsfilter med en kort stigningstid og en lang releasetid.
10. Modtager ifølge krav 9, der endvidere omfatter følgende trin: at modtage en signalering af en pludselig taleindlæsning og at by-passe eller genindstille udglatningsfilteret, når en pludselig taleindlæsning signaleres.
11. Modtager ifølge krav 1, der endvidere omfatter følgende trin: at modtage en signalering af attacktidskonstanter, releasetidskonstanter eller andre filterkarakteristika ved et udglatningsfilter anvendt til udglatning over tidssegmentet, idet signaleringen genereres af en koder.
12. Fremgangsmåde til modtagelse, omfattende: at demultiplekse en bitstrøm for at opnå et monosignal og stereobreddeparametre; at dekode monosignalet med en dekoder; hvor fremgangsmåden er kendetegnet ved: at interpolere mellem adskillige tidsfortløbende stereobreddeparametre for at opnå en interpoleret stereobreddegevinstværdi, hvor interpoleringen omfatter at udglatte stereobreddegevinstværdier over et tidssegment med adskillige stereobreddeparametre, hvor en stereobreddegevinstværdi er en funktion af en stereobreddeparameter, hvor en stereobreddeparameter indikerer en mængde stereoperspektiv, der forekommer i en første kanal og en anden kanal af stereosignalet, og med en breddeblok (205) i en parametrisk stereodekoder (119) at anvende stereobreddeparametrene på et dekodet monosignal for at opnå et stereooutput, hvor breddeblokken (205) omfatter en pseudostereogenerator, og hvor pseudostereogeneratoren omfatter en variabel gevinstforstærker (215) til forstærkning af det dekodede monosignal, og hvor pseudostereogeneratoren er indrettet til at indstille en gevinst af den variable gevinstforstærker (215) til den interpolerede stereo-breddegevinstværdi, at forsinke outputtet fra den variable gevinstforstærker for at opnå et forsinket signal (221) og til at tilføje (223, 225) det forsinkede signal til to direkte signalinstanser af det dekodede monosignal ved anvendelse af modsatte fortegn.
DK16181505.5T 2001-07-10 2002-07-10 Parametrisk stereo audiodekodning DK3104367T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE0102481A SE0102481D0 (sv) 2001-07-10 2001-07-10 Parametric stereo coding for low bitrate applications
SE0200796A SE0200796D0 (sv) 2002-03-15 2002-03-15 Parametic Stereo Coding for Low Bitrate Applications
SE0202159A SE0202159D0 (sv) 2001-07-10 2002-07-09 Efficientand scalable parametric stereo coding for low bitrate applications
EP05017012.5A EP1603118B1 (en) 2001-07-10 2002-07-10 Receiver and method for decoding parametric stereo encoded bitstream

Publications (1)

Publication Number Publication Date
DK3104367T3 true DK3104367T3 (da) 2019-04-15

Family

ID=27354735

Family Applications (4)

Application Number Title Priority Date Filing Date
DK05017012.5T DK1603118T3 (da) 2001-07-10 2002-07-10 Modtager og fremgangsmåde til dekodning af en parametrisk stereokodet bitstrøm
DK10174492.8T DK2249336T3 (da) 2001-07-10 2002-07-10 Fremgangsmåde og modtager til højfrekvensrekonstruktion af et stereoaudiosignal
DK16181505.5T DK3104367T3 (da) 2001-07-10 2002-07-10 Parametrisk stereo audiodekodning
DK08016926T DK2015292T3 (da) 2001-07-10 2002-07-10 Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighed

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DK05017012.5T DK1603118T3 (da) 2001-07-10 2002-07-10 Modtager og fremgangsmåde til dekodning af en parametrisk stereokodet bitstrøm
DK10174492.8T DK2249336T3 (da) 2001-07-10 2002-07-10 Fremgangsmåde og modtager til højfrekvensrekonstruktion af et stereoaudiosignal

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK08016926T DK2015292T3 (da) 2001-07-10 2002-07-10 Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighed

Country Status (13)

Country Link
US (8) US7382886B2 (da)
EP (9) EP2249336B1 (da)
JP (10) JP4447317B2 (da)
KR (5) KR100666815B1 (da)
CN (7) CN1758335B (da)
AT (5) ATE464636T1 (da)
DE (5) DE60235208D1 (da)
DK (4) DK1603118T3 (da)
ES (7) ES2333278T3 (da)
HK (4) HK1080208B (da)
PT (2) PT1603118T (da)
SE (1) SE0202159D0 (da)
WO (1) WO2003007656A1 (da)

Families Citing this family (197)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
PT1423847E (pt) 2001-11-29 2005-05-31 Coding Tech Ab Reconstrucao de componentes de frequencia elevada
JP4714415B2 (ja) * 2002-04-22 2011-06-29 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 パラメータによるマルチチャンネルオーディオ表示
US7933415B2 (en) 2002-04-22 2011-04-26 Koninklijke Philips Electronics N.V. Signal synthesizing
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
US8437868B2 (en) * 2002-10-14 2013-05-07 Thomson Licensing Method for coding and decoding the wideness of a sound source in an audio scene
CN1748247B (zh) 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 音频编码
FI118247B (fi) * 2003-02-26 2007-08-31 Fraunhofer Ges Forschung Menetelmä luonnollisen tai modifioidun tilavaikutelman aikaansaamiseksi monikanavakuuntelussa
US7787632B2 (en) 2003-03-04 2010-08-31 Nokia Corporation Support of a multichannel audio extension
EP1609335A2 (en) * 2003-03-24 2005-12-28 Koninklijke Philips Electronics N.V. Coding of main and side signal representing a multichannel signal
EP1618763B1 (en) 2003-04-17 2007-02-28 Koninklijke Philips Electronics N.V. Audio signal synthesis
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
EP1618686A1 (en) * 2003-04-30 2006-01-25 Nokia Corporation Support of a multichannel audio extension
KR100717607B1 (ko) * 2003-04-30 2007-05-15 코딩 테크놀러지스 에이비 스테레오 인코딩 및 디코딩 장치와 방법
FR2857552B1 (fr) * 2003-07-11 2006-05-05 France Telecom Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant
FR2853804A1 (fr) * 2003-07-11 2004-10-15 France Telecom Procede de decodage d'un signal permettant de reconstituer une scene sonore et dispositif de decodage correspondant
DE602004032587D1 (de) * 2003-09-16 2011-06-16 Panasonic Corp Codierungsvorrichtung und Decodierungsvorrichtung
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
JP2007528025A (ja) * 2004-02-17 2007-10-04 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 オーディオ配信システム、オーディオエンコーダ、オーディオデコーダ、及びそれらの動作方法
US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
CN1947172B (zh) * 2004-04-05 2011-08-03 皇家飞利浦电子股份有限公司 方法、装置、编码器设备、解码器设备以及音频系统
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
SE0400997D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
ATE474310T1 (de) * 2004-05-28 2010-07-15 Nokia Corp Mehrkanalige audio-erweiterung
US20080281602A1 (en) * 2004-06-08 2008-11-13 Koninklijke Philips Electronics, N.V. Coding Reverberant Sound Signals
JP3916087B2 (ja) * 2004-06-29 2007-05-16 ソニー株式会社 疑似ステレオ化装置
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
CA2572805C (en) 2004-07-02 2013-08-13 Matsushita Electric Industrial Co., Ltd. Audio signal decoding device and audio signal encoding device
ES2333137T3 (es) * 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
TWI393120B (zh) 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
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
WO2006025337A1 (ja) * 2004-08-31 2006-03-09 Matsushita Electric Industrial Co., Ltd. ステレオ信号生成装置およびステレオ信号生成方法
US8135136B2 (en) * 2004-09-06 2012-03-13 Koninklijke Philips Electronics N.V. Audio signal enhancement
ATE440361T1 (de) * 2004-09-30 2009-09-15 Panasonic Corp Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür
JP4892184B2 (ja) * 2004-10-14 2012-03-07 パナソニック株式会社 音響信号符号化装置及び音響信号復号装置
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US8643595B2 (en) * 2004-10-25 2014-02-04 Sipix Imaging, Inc. Electrophoretic display driving approaches
US20070297519A1 (en) * 2004-10-28 2007-12-27 Jeffrey Thompson Audio Spatial Environment Engine
SE0402651D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods for interpolation and parameter signalling
US7983904B2 (en) * 2004-11-05 2011-07-19 Panasonic Corporation Scalable decoding apparatus and scalable encoding apparatus
JP5106115B2 (ja) * 2004-11-30 2012-12-26 アギア システムズ インコーポレーテッド オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング
KR101236259B1 (ko) * 2004-11-30 2013-02-22 에이저 시스템즈 엘엘시 오디오 채널들을 인코딩하는 방법 및 장치
US7848932B2 (en) * 2004-11-30 2010-12-07 Panasonic Corporation Stereo encoding apparatus, stereo decoding apparatus, and their methods
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7945447B2 (en) * 2004-12-27 2011-05-17 Panasonic Corporation Sound coding device and sound coding method
DE602005017660D1 (de) * 2004-12-28 2009-12-24 Panasonic Corp Audiokodierungsvorrichtung und audiokodierungsmethode
JP4842147B2 (ja) * 2004-12-28 2011-12-21 パナソニック株式会社 スケーラブル符号化装置およびスケーラブル符号化方法
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
CN101103393B (zh) * 2005-01-11 2011-07-06 皇家飞利浦电子股份有限公司 音频信号的可缩放编码/解码
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
WO2006091139A1 (en) * 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
PL1866912T3 (pl) * 2005-03-30 2011-03-31 Koninl Philips Electronics Nv Kodowanie wielokanałowego sygnału audio
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
RU2376655C2 (ru) * 2005-04-19 2009-12-20 Коудинг Текнолоджиз Аб Зависящее от энергии квантование для эффективного кодирования пространственных параметров звука
PT1875463T (pt) * 2005-04-22 2019-01-24 Qualcomm Inc Sistemas, métodos e aparelho para nivelamento de fator de ganho
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
WO2006126844A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4948401B2 (ja) * 2005-05-31 2012-06-06 パナソニック株式会社 スケーラブル符号化装置およびスケーラブル符号化方法
EP1913576A2 (en) * 2005-06-30 2008-04-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
CN102013256B (zh) * 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
US20070055510A1 (en) * 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
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
KR100857105B1 (ko) 2005-09-14 2008-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
RU2380767C2 (ru) * 2005-09-14 2010-01-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
WO2007031939A2 (en) * 2005-09-16 2007-03-22 Koninklijke Philips Electronics N.V. Collusion resistant watermarking
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
WO2007040357A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100878833B1 (ko) 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US8055500B2 (en) * 2005-10-12 2011-11-08 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding/decoding audio data with extension data
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
JP4539570B2 (ja) * 2006-01-19 2010-09-08 沖電気工業株式会社 音声応答システム
WO2007083952A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
JP5161109B2 (ja) 2006-01-19 2013-03-13 エルジー エレクトロニクス インコーポレイティド 信号デコーディング方法及び装置
US7711552B2 (en) 2006-01-27 2010-05-04 Dolby International Ab Efficient filtering with a complex modulated filterbank
KR100902899B1 (ko) 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
US7991494B2 (en) 2006-02-23 2011-08-02 Lg Electronics Inc. Method and apparatus for processing an audio signal
FR2898725A1 (fr) * 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
EP2005420B1 (fr) * 2006-03-15 2011-10-26 France Telecom Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal
TWI340600B (en) 2006-03-30 2011-04-11 Lg Electronics Inc Method for processing an audio signal, method of encoding an audio signal and apparatus thereof
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
US8027479B2 (en) 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
EP2038878B1 (en) * 2006-07-07 2012-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for combining multiple parametrically coded audio sources
USRE50721E1 (en) 2006-07-07 2025-12-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
US8346546B2 (en) * 2006-08-15 2013-01-01 Broadcom Corporation Packet loss concealment based on forced waveform alignment after packet loss
DE602007012730D1 (de) * 2006-09-18 2011-04-07 Koninkl Philips Electronics Nv Kodierung und dekodierung von audio-objekten
JP5232791B2 (ja) * 2006-10-12 2013-07-10 エルジー エレクトロニクス インコーポレイティド ミックス信号処理装置及びその方法
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
US7885414B2 (en) * 2006-11-16 2011-02-08 Texas Instruments Incorporated Band-selectable stereo synthesizer using strictly complementary filter pair
US7920708B2 (en) * 2006-11-16 2011-04-05 Texas Instruments Incorporated Low computation mono to stereo conversion using intra-aural differences
US8019086B2 (en) * 2006-11-16 2011-09-13 Texas Instruments Incorporated Stereo synthesizer using comb filters and intra-aural differences
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
US8363842B2 (en) 2006-11-30 2013-01-29 Sony Corporation Playback method and apparatus, program, and recording medium
JP4930320B2 (ja) * 2006-11-30 2012-05-16 ソニー株式会社 再生方法及び装置、プログラム並びに記録媒体
WO2008069593A1 (en) * 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US20100241434A1 (en) * 2007-02-20 2010-09-23 Kojiro Ono Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit
US8189812B2 (en) 2007-03-01 2012-05-29 Microsoft Corporation Bass boost filtering techniques
GB0705328D0 (en) 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
US20080232601A1 (en) * 2007-03-21 2008-09-25 Ville Pulkki Method and apparatus for enhancement of audio reconstruction
US8290167B2 (en) 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US8908873B2 (en) * 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US9015051B2 (en) * 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
US9466307B1 (en) * 2007-05-22 2016-10-11 Digimarc Corporation Robust spectral encoding and decoding methods
US8385556B1 (en) * 2007-08-17 2013-02-26 Dts, Inc. Parametric stereo conversion system and method
GB2453117B (en) 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
CN101149925B (zh) * 2007-11-06 2011-02-16 武汉大学 一种用于参数立体声编码的空间参数选取方法
US8548615B2 (en) * 2007-11-27 2013-10-01 Nokia Corporation Encoder
WO2009068087A1 (en) * 2007-11-27 2009-06-04 Nokia Corporation Multichannel audio coding
US20110191112A1 (en) * 2007-11-27 2011-08-04 Nokia Corporation Encoder
US9872066B2 (en) * 2007-12-18 2018-01-16 Ibiquity Digital Corporation Method for streaming through a data service over a radio link subsystem
KR101444102B1 (ko) 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
US8060042B2 (en) 2008-05-23 2011-11-15 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
JP5425067B2 (ja) 2008-06-27 2014-02-26 パナソニック株式会社 音響信号復号装置および音響信号復号装置におけるバランス調整方法
US8538749B2 (en) 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
US8311810B2 (en) * 2008-07-29 2012-11-13 Panasonic Corporation Reduced delay spatial coding and decoding apparatus and teleconferencing system
WO2010016270A1 (ja) * 2008-08-08 2010-02-11 パナソニック株式会社 量子化装置、符号化装置、量子化方法及び符号化方法
WO2010036062A2 (en) 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
KR101108061B1 (ko) 2008-09-25 2012-01-25 엘지전자 주식회사 신호 처리 방법 및 이의 장치
EP2169664A3 (en) * 2008-09-25 2010-04-07 LG Electronics Inc. A method and an apparatus for processing a signal
WO2010036059A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
EP2345027B1 (en) * 2008-10-10 2018-04-18 Telefonaktiebolaget LM Ericsson (publ) Energy-conserving multi-channel audio coding and decoding
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
US8965000B2 (en) 2008-12-19 2015-02-24 Dolby International Ab Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters
CN102272830B (zh) * 2009-01-13 2013-04-03 松下电器产业株式会社 音响信号解码装置及平衡调整方法
ES3023486T3 (en) 2009-01-16 2025-06-02 Dolby Int Ab Cross product enhanced harmonic transposition
TWI458258B (zh) 2009-02-18 2014-10-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
US9053701B2 (en) 2009-02-26 2015-06-09 Panasonic Intellectual Property Corporation Of America Channel signal generation device, acoustic signal encoding device, acoustic signal decoding device, acoustic signal encoding method, and acoustic signal decoding method
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
US9202456B2 (en) * 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
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
TWI591625B (zh) 2009-05-27 2017-07-11 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
AU2010275711B2 (en) * 2009-07-22 2015-08-27 Stormingswiss Gmbh Device and method for improving stereophonic or pseudo-stereophonic audio signals
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
JP5771618B2 (ja) 2009-10-19 2015-09-02 ドルビー・インターナショナル・アーベー 音声オブジェクトの区分を示すメタデータ時間標識情報
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
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
US8463414B2 (en) 2010-08-09 2013-06-11 Motorola Mobility Llc Method and apparatus for estimating a parameter for low bit rate stereo transmission
EP2609592B1 (en) * 2010-08-24 2014-11-05 Dolby International AB Concealment of intermittent mono reception of fm stereo radio receivers
CN103180899B (zh) 2010-11-17 2015-07-22 松下电器（美国）知识产权公司 立体声信号的编码装置、解码装置、编码方法及解码方法
CN104916290B (zh) * 2011-02-18 2018-11-06 株式会社Ntt都科摩 语音解码装置、语音编码装置、语音解码方法以及语音编码方法
PL2727381T3 (pl) 2011-07-01 2022-05-02 Dolby Laboratories Licensing Corporation Sposób i urządzenie do renderowania obiektów audio
US9043323B2 (en) 2011-08-22 2015-05-26 Nokia Corporation Method and apparatus for providing search with contextual processing
JP5724044B2 (ja) * 2012-02-17 2015-05-27 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 多重チャネル・オーディオ信号の符号化のためのパラメトリック型符号化装置
WO2013124446A1 (en) 2012-02-24 2013-08-29 Dolby International Ab Audio processing
JP5997592B2 (ja) * 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
JP6163545B2 (ja) * 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
EP2754524B1 (de) 2013-01-15 2015-11-25 Corning Laser Technologies GmbH Verfahren und Vorrichtung zum laserbasierten Bearbeiten von flächigen Substraten, d.h. Wafer oder Glaselement, unter Verwendung einer Laserstrahlbrennlinie
EP2781296B1 (de) 2013-03-21 2020-10-21 Corning Laser Technologies GmbH Vorrichtung und verfahren zum ausschneiden von konturen aus flächigen substraten mittels laser
EP2981960B1 (en) 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
SG10201710019SA (en) * 2013-05-24 2018-01-30 Dolby Int Ab Audio Encoder And Decoder
BR112015030672B1 (pt) * 2013-06-10 2021-02-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V aparelho e método de codificação, processamento e decodificação de envelope de sinal de áudio por divisão do envelope de sinal de áudio empregando codificação e quantização de distribuição
SG11201510162WA (en) 2013-06-10 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
WO2015036350A1 (en) 2013-09-12 2015-03-19 Dolby International Ab Audio decoding system and audio encoding system
TWI774136B (zh) 2013-09-12 2022-08-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
TWI579831B (zh) 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
KR101808810B1 (ko) * 2013-11-27 2017-12-14 한국전자통신연구원 음성/무음성 구간 검출 방법 및 장치
US9276544B2 (en) * 2013-12-10 2016-03-01 Apple Inc. Dynamic range control gain encoding
US10293436B2 (en) 2013-12-17 2019-05-21 Corning Incorporated Method for rapid laser drilling of holes in glass and products made therefrom
US11556039B2 (en) 2013-12-17 2023-01-17 Corning Incorporated Electrochromic coated glass articles and methods for laser processing the same
KR102356012B1 (ko) 2013-12-27 2022-01-27 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
US20150194157A1 (en) * 2014-01-06 2015-07-09 Nvidia Corporation System, method, and computer program product for artifact reduction in high-frequency regeneration audio signals
TWI730945B (zh) 2014-07-08 2021-06-21 美商康寧公司 用於雷射處理材料的方法與設備
KR20170028943A (ko) 2014-07-14 2017-03-14 코닝 인코포레이티드 조정가능한 레이저 빔 촛점 라인을 사용하여 투명한 재료를 처리하는 방법 및 시스템
US11773004B2 (en) 2015-03-24 2023-10-03 Corning Incorporated Laser cutting and processing of display glass compositions
EP3369257B1 (en) * 2015-10-27 2021-08-18 Ambidio, Inc. Apparatus and method for sound stage enhancement
EP3166313A1 (en) * 2015-11-09 2017-05-10 Thomson Licensing Encoding and decoding method and corresponding devices
US10730783B2 (en) 2016-09-30 2020-08-04 Corning Incorporated Apparatuses and methods for laser processing transparent workpieces using non-axisymmetric beam spots
KR102428350B1 (ko) 2016-10-24 2022-08-02 코닝 인코포레이티드 시트형 유리 기판의 레이저 기반 기계 가공을 위한 기판 프로세싱 스테이션
CN110998721B (zh) * 2017-07-28 2024-04-26 弗劳恩霍夫应用研究促进协会 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置
CN108847848B (zh) * 2018-06-13 2021-10-01 电子科技大学 一种基于信息后处理的极化码的bp译码算法
GB2576769A (en) 2018-08-31 2020-03-04 Nokia Technologies Oy Spatial parameter signalling
EP4243014A4 (en) 2021-01-25 2024-07-17 Samsung Electronics Co., Ltd. DEVICE AND METHOD FOR PROCESSING A MULTI-CHANNEL AUDIO SIGNAL
CN113301329B (zh) * 2021-05-21 2022-08-05 康佳集团股份有限公司 基于图像识别的电视声场校正方法、装置及显示设备
US12003932B2 (en) * 2022-02-08 2024-06-04 Dell Products, L.P. Speaker system for slim profile display devices
US12167223B2 (en) 2022-06-30 2024-12-10 Amazon Technologies, Inc. Real-time low-complexity stereo speech enhancement with spatial cue preservation
CN115460516B (zh) * 2022-09-05 2025-01-07 中国第一汽车股份有限公司 单声道转立体声的信号处理方法、装置、设备及介质
TWI857414B (zh) * 2022-12-08 2024-10-01 瑞昱半導體股份有限公司 播放器裝置與訊號處理方法

Family Cites Families (189)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947827A (en) 1974-05-29 1976-03-30 Whittaker Corporation Digital storage system for high frequency signals
US4053711A (en) 1976-04-26 1977-10-11 Audio Pulse, Inc. Simulation of reverberation in audio signals
US4166924A (en) * 1977-05-12 1979-09-04 Bell Telephone Laboratories, Incorporated Removing reverberative echo components in speech signals
FR2412987A1 (fr) 1977-12-23 1979-07-20 Ibm France Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede
US4523309A (en) * 1978-12-05 1985-06-11 Electronics Corporation Of Israel, Ltd. Time assignment speech interpolation apparatus
US4330689A (en) 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
GB2100430B (en) 1981-06-15 1985-11-27 Atomic Energy Authority Uk Improving the spatial resolution of ultrasonic time-of-flight measurement system
EP0070948B1 (fr) 1981-07-28 1985-07-10 International Business Machines Corporation Procédé de codage de la voix et dispositif de mise en oeuvre dudit procédé
US4700390A (en) 1983-03-17 1987-10-13 Kenji Machida Signal synthesizer
US4667340A (en) 1983-04-13 1987-05-19 Texas Instruments Incorporated Voice messaging system with pitch-congruent baseband coding
US4672670A (en) 1983-07-26 1987-06-09 Advanced Micro Devices, Inc. Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
US4700362A (en) 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
DE3374109D1 (en) 1983-10-28 1987-11-19 Ibm Method of recovering lost information in a digital speech transmission system, and transmission system using said method
US4706287A (en) * 1984-10-17 1987-11-10 Kintek, Inc. Stereo generator
JPH0212299Y2 (da) 1984-12-28 1990-04-06
US4885790A (en) 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
JPH0774709B2 (ja) 1985-07-24 1995-08-09 株式会社東芝 空気調和機
US4748669A (en) 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
EP0243562B1 (en) 1986-04-30 1992-01-29 International Business Machines Corporation Improved voice coding process and device for implementing said process
JPH0690209B2 (ja) 1986-06-13 1994-11-14 株式会社島津製作所 反応管の攪拌装置
US4776014A (en) 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
GB8628046D0 (en) * 1986-11-24 1986-12-31 British Telecomm Transmission system
US5054072A (en) 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
US5285520A (en) 1988-03-02 1994-02-08 Kokusai Denshin Denwa Kabushiki Kaisha Predictive coding apparatus
FR2628918B1 (fr) 1988-03-15 1990-08-10 France Etat Dispositif annuleur d'echo a filtrage en sous-bandes de frequence
US5127054A (en) 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
JPH0212299A (ja) 1988-06-30 1990-01-17 Toshiba Corp 音場効果自動制御装置
JPH02177782A (ja) 1988-12-28 1990-07-10 Toshiba Corp モノラルｔｖ音声復調回路
CN1031376C (zh) * 1989-01-10 1996-03-20 任天堂株式会社 能够产生伪立体声的电子游戏装置
US5297236A (en) 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
DE68916944T2 (de) 1989-04-11 1995-03-16 Ibm Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion.
US5261027A (en) 1989-06-28 1993-11-09 Fujitsu Limited Code excited linear prediction speech coding system
US4974187A (en) 1989-08-02 1990-11-27 Aware, Inc. Modular digital signal processing system
US5054075A (en) 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
US4969040A (en) 1989-10-26 1990-11-06 Bell Communications Research, Inc. Apparatus and method for differential sub-band coding of video signals
JPH03214956A (ja) 1990-01-19 1991-09-20 Mitsubishi Electric Corp テレビ会議装置
JPH0685607B2 (ja) 1990-03-14 1994-10-26 関西電力株式会社 薬液注入防護工法
JP2906646B2 (ja) 1990-11-09 1999-06-21 松下電器産業株式会社 音声帯域分割符号化装置
US5293449A (en) 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
JP3158458B2 (ja) 1991-01-31 2001-04-23 日本電気株式会社 階層表現された信号の符号化方式
GB9104186D0 (en) 1991-02-28 1991-04-17 British Aerospace Apparatus for and method of digital signal processing
US5235420A (en) 1991-03-22 1993-08-10 Bell Communications Research, Inc. Multilayer universal video coder
JP2990829B2 (ja) 1991-03-29 1999-12-13 ヤマハ株式会社 効果付与装置
JPH04324727A (ja) * 1991-04-24 1992-11-13 Fujitsu Ltd ステレオ符号化伝送方式
DE4136825C1 (da) * 1991-11-08 1993-03-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
JP3050978B2 (ja) 1991-12-18 2000-06-12 沖電気工業株式会社 音声符号化方法
JPH05191885A (ja) 1992-01-10 1993-07-30 Clarion Co Ltd 音響信号イコライザ回路
WO1993016433A1 (en) 1992-02-07 1993-08-19 Seiko Epson Corporation Hardware emulation accelerator and method
US5559891A (en) * 1992-02-13 1996-09-24 Nokia Technology Gmbh Device to be used for changing the acoustic properties of a room
US5765127A (en) 1992-03-18 1998-06-09 Sony Corp High efficiency encoding method
CN1078341A (zh) * 1992-04-30 1993-11-10 王福宏 高保真立体声高效聋哑康复机
GB9211756D0 (en) * 1992-06-03 1992-07-15 Gerzon Michael A Stereophonic directional dispersion method
US5278909A (en) 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
IT1257065B (it) 1992-07-31 1996-01-05 Sip Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi.
US5408580A (en) 1992-09-21 1995-04-18 Aware, Inc. Audio compression system employing multi-rate signal analysis
JP2779886B2 (ja) 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
JPH06125319A (ja) 1992-10-12 1994-05-06 Clarion Co Ltd Ｆｍステレオ受信装置
JP3191457B2 (ja) 1992-10-31 2001-07-23 ソニー株式会社 高能率符号化装置、ノイズスペクトル変更装置及び方法
CA2106440C (en) 1992-11-30 1997-11-18 Jelena Kovacevic Method and apparatus for reducing correlated errors in subband coding systems with quantizers
US5455888A (en) 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
JPH06202629A (ja) 1992-12-28 1994-07-22 Yamaha Corp 楽音の効果付与装置
JPH06215482A (ja) 1993-01-13 1994-08-05 Hitachi Micom Syst:Kk オーディオ情報記録媒体、およびこのオーディオ情報記録媒体を用いる音場生成装置
JP3496230B2 (ja) 1993-03-16 2004-02-09 パイオニア株式会社 音場制御システム
JP3214956B2 (ja) 1993-06-10 2001-10-02 積水化学工業株式会社 カーテンボックス組込み換気扇
US5463424A (en) * 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
US5581653A (en) 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
DE4331376C1 (de) * 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
EP0681764A1 (en) * 1993-11-26 1995-11-15 Koninklijke Philips Electronics N.V. A transmission system, and a transmitter and a receiver for use in such a system
JPH07160299A (ja) 1993-12-06 1995-06-23 Hitachi Denshi Ltd 音声信号帯域圧縮伸張装置並びに音声信号の帯域圧縮伝送方式及び再生方式
JP3404837B2 (ja) 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
JP2616549B2 (ja) 1993-12-10 1997-06-04 日本電気株式会社 音声復号装置
KR960003455B1 (ko) 1994-01-18 1996-03-13 대우전자주식회사 적응적으로 각 채널에 비트 할당하여 부호화 및 복호화하는 엠 에스 스테레오 디지탈 오디오 부호화 및 복호화 장치
KR960012475B1 (ko) * 1994-01-18 1996-09-20 대우전자 주식회사 디지탈 오디오 부호화장치의 채널별 비트 할당 장치
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
JP3529159B2 (ja) 1994-05-20 2004-05-24 東京電波株式会社 無線式識別装置
US5787387A (en) 1994-07-11 1998-07-28 Voxware, Inc. Harmonic adaptive speech coding method and system
KR0110475Y1 (ko) 1994-10-13 1998-04-14 이희종 바이탈(vital)출력의 인터페이스회로
JP3483958B2 (ja) 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
US5839102A (en) 1994-11-30 1998-11-17 Lucent Technologies Inc. Speech coding parameter sequence reconstruction by sequence classification and interpolation
JPH08162964A (ja) 1994-12-08 1996-06-21 Sony Corp 情報圧縮装置及び方法、情報伸張装置及び方法、並びに記録媒体
FR2729024A1 (fr) 1994-12-30 1996-07-05 Matra Communication Annuleur d'echo acoustique avec filtrage en sous-bandes
US5701390A (en) 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
JP2956548B2 (ja) 1995-10-05 1999-10-04 松下電器産業株式会社 音声帯域拡大装置
JP3139602B2 (ja) 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
US5915235A (en) 1995-04-28 1999-06-22 Dejaco; Andrew P. Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer
JP3416331B2 (ja) 1995-04-28 2003-06-16 松下電器産業株式会社 音声復号化装置
US5692050A (en) 1995-06-15 1997-11-25 Binaura Corporation Method and apparatus for spatially enhancing stereo and monophonic signals
JPH0946233A (ja) 1995-07-31 1997-02-14 Kokusai Electric Co Ltd 音声符号化方法とその装置、音声復号方法とその装置
JPH0955778A (ja) 1995-08-15 1997-02-25 Fujitsu Ltd 音声信号の広帯域化装置
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP3301473B2 (ja) 1995-09-27 2002-07-15 日本電信電話株式会社 広帯域音声信号復元方法
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
US5687191A (en) 1995-12-06 1997-11-11 Solana Technology Development Corporation Post-compression hidden data transport
US5732189A (en) 1995-12-22 1998-03-24 Lucent Technologies Inc. Audio signal coding with a signal adaptive filterbank
FR2744871B1 (fr) * 1996-02-13 1998-03-06 Sextant Avionique Systeme de spatialisation sonore, et procede de personnalisation pour sa mise en oeuvre
TW307960B (en) 1996-02-15 1997-06-11 Philips Electronics Nv Reduced complexity signal transmission system
JP3519859B2 (ja) 1996-03-26 2004-04-19 三菱電機株式会社 符号器及び復号器
US6226325B1 (en) 1996-03-27 2001-05-01 Kabushiki Kaisha Toshiba Digital data processing system
JP3529542B2 (ja) 1996-04-08 2004-05-24 株式会社東芝 信号の伝送／記録／受信／再生方法と装置及び記録媒体
US5848164A (en) 1996-04-30 1998-12-08 The Board Of Trustees Of The Leland Stanford Junior University System and method for effects processing on audio subband data
US6850621B2 (en) * 1996-06-21 2005-02-01 Yamaha Corporation Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method
JP3322166B2 (ja) 1996-06-21 2002-09-09 ヤマハ株式会社 ３次元音響再生方法および装置
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
DE19628292B4 (de) 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
US5951235A (en) 1996-08-08 1999-09-14 Jerr-Dan Corporation Advanced rollback wheel-lift
JP3976360B2 (ja) * 1996-08-29 2007-09-19 富士通株式会社 立体音響処理装置
CA2184541A1 (en) 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
GB2317537B (en) 1996-09-19 2000-05-17 Matra Marconi Space Digital signal processing apparatus for frequency demultiplexing or multiplexing
JP3707153B2 (ja) 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
KR100206333B1 (ko) * 1996-10-08 1999-07-01 윤종용 두개의 스피커를 이용한 멀티채널 오디오 재생장치및 방법
JPH10124088A (ja) 1996-10-24 1998-05-15 Sony Corp 音声帯域幅拡張装置及び方法
US5875122A (en) 1996-12-17 1999-02-23 Intel Corporation Integrated systolic architecture for decomposition and reconstruction of signals using wavelet transforms
US5886276A (en) 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
US5862228A (en) * 1997-02-21 1999-01-19 Dolby Laboratories Licensing Corporation Audio matrix encoding
US6236731B1 (en) 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
IL120788A (en) 1997-05-06 2000-07-16 Audiocodes Ltd Systems and methods for encoding and decoding speech for lossy transmission networks
AU7693398A (en) * 1997-05-22 1998-12-11 Plantronics, Inc. Full duplex cordless communication system
US6370504B1 (en) 1997-05-29 2002-04-09 University Of Washington Speech recognition on MPEG/Audio encoded files
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
WO1999003096A1 (en) 1997-07-11 1999-01-21 Sony Corporation Information decoder and decoding method, information encoder and encoding method, and distribution medium
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
US6144937A (en) 1997-07-23 2000-11-07 Texas Instruments Incorporated Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information
US6124895A (en) 1997-10-17 2000-09-26 Dolby Laboratories Licensing Corporation Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment
KR100335611B1 (ko) 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
JPH11186924A (ja) 1997-12-18 1999-07-09 Mitsubishi Electric Corp 雑音除去装置
EP1040466B1 (en) * 1997-12-19 2004-04-14 Daewoo Electronics Corporation Surround signal processing apparatus and method
KR20010006291A (ko) * 1998-02-13 2001-01-26 요트.게.아. 롤페즈 서라운드 음향 재생 시스템, 음향／시각 재생 시스템, 서라운드 신호 처리 유닛 및 입력 서라운드 신호 처리 방법
KR100304092B1 (ko) 1998-03-11 2001-09-26 마츠시타 덴끼 산교 가부시키가이샤 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치
JPH11262100A (ja) 1998-03-13 1999-09-24 Matsushita Electric Ind Co Ltd オーディオ信号の符号化／復号方法および装置
AU3372199A (en) 1998-03-30 1999-10-18 Voxware, Inc. Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment
KR100474826B1 (ko) 1998-05-09 2005-05-16 삼성전자주식회사 음성부호화기에서의주파수이동법을이용한다중밴드의유성화도결정방법및그장치
WO2000014738A1 (en) * 1998-09-02 2000-03-16 Matsushita Electric Industrial Co., Ltd. Signal processor
JP3354880B2 (ja) 1998-09-04 2002-12-09 日本電信電話株式会社 情報多重化方法、情報抽出方法および装置
JP2000099061A (ja) * 1998-09-25 2000-04-07 Sony Corp 効果音付加装置
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
US6590983B1 (en) * 1998-10-13 2003-07-08 Srs Labs, Inc. Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input
US6353808B1 (en) 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
GB2344036B (en) 1998-11-23 2004-01-21 Mitel Corp Single-sided subband filters
US6507658B1 (en) 1999-01-27 2003-01-14 Kind Of Loud Technologies, Llc Surround sound panner
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
SE9903552D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
JP2000267699A (ja) 1999-03-19 2000-09-29 Nippon Telegr & Teleph Corp <Ntt> 音響信号符号化方法および装置、そのプログラム記録媒体、および音響信号復号装置
US6363338B1 (en) 1999-04-12 2002-03-26 Dolby Laboratories Licensing Corporation Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6226616B1 (en) 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
EP1069693B1 (en) * 1999-07-15 2004-10-13 Mitsubishi Denki Kabushiki Kaisha Noise reduction apparatus
EP1119911A1 (en) 1999-07-27 2001-08-01 Koninklijke Philips Electronics N.V. Filtering device
JP2001074835A (ja) * 1999-09-01 2001-03-23 Oki Electric Ind Co Ltd バイスタティックソーナーの左右判別方法
JP4639441B2 (ja) 1999-09-01 2011-02-23 ソニー株式会社 ディジタル信号処理装置および処理方法、並びにディジタル信号記録装置および記録方法
DE19947098A1 (de) 1999-09-30 2000-11-09 Siemens Ag Verfahren zur Ermittlung der Kurbelwellenstellung
EP1147514B1 (en) 1999-11-16 2005-04-06 Koninklijke Philips Electronics N.V. Wideband audio transmission system
CA2290037A1 (en) 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
US6947509B1 (en) 1999-11-30 2005-09-20 Verance Corporation Oversampled filter bank for subband processing
JP2001184090A (ja) 1999-12-27 2001-07-06 Fuji Techno Enterprise:Kk 信号符号化装置，及び信号復号化装置，並びに信号符号化プログラムを記録したコンピュータ読み取り可能な記録媒体，及び信号復号化プログラムを記録したコンピュータ読み取り可能な記録媒体
KR100359821B1 (ko) 2000-01-20 2002-11-07 엘지전자 주식회사 움직임 보상 적응형 영상 압축과 복원방법 및 그 장치와디코더
US6718300B1 (en) 2000-06-02 2004-04-06 Agere Systems Inc. Method and apparatus for reducing aliasing in cascaded filter banks
US6879652B1 (en) 2000-07-14 2005-04-12 Nielsen Media Research, Inc. Method for encoding an input signal
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
US20020040299A1 (en) 2000-07-31 2002-04-04 Kenichi Makino Apparatus and method for performing orthogonal transform, apparatus and method for performing inverse orthogonal transform, apparatus and method for performing transform encoding, and apparatus and method for encoding data
WO2002013572A2 (en) 2000-08-07 2002-02-14 Audia Technology, Inc. Method and apparatus for filtering and compressing sound signals
SE0004163D0 (sv) 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
EP1211636A1 (en) 2000-11-29 2002-06-05 STMicroelectronics S.r.l. Filtering device and method for reducing noise in electrical signals, in particular acoustic signals and images
JP4649735B2 (ja) 2000-12-14 2011-03-16 ソニー株式会社 符号化装置および方法、並びに記録媒体
AU2001276588A1 (en) 2001-01-11 2002-07-24 K. P. P. Kalyan Chakravarthy Adaptive-block-length audio coder
SE0101175D0 (sv) 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
US6879955B2 (en) 2001-06-29 2005-04-12 Microsoft Corporation Signal modification based on continuous time warping for low bit rate CELP coding
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2354755A1 (en) 2001-08-07 2003-02-07 Dspfactory Ltd. Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
CA2354808A1 (en) 2001-08-07 2003-02-07 King Tam Sub-band adaptive signal processing in an oversampled filterbank
EP1292036B1 (en) 2001-08-23 2012-08-01 Nippon Telegraph And Telephone Corporation Digital signal decoding methods and apparatuses
US6895375B2 (en) 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
US6988066B2 (en) 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
WO2003038812A1 (en) 2001-11-02 2003-05-08 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device
US20100042406A1 (en) 2002-03-04 2010-02-18 James David Johnston Audio signal processing using improved perceptual model
US20030215013A1 (en) 2002-04-10 2003-11-20 Budnikov Dmitry N. Audio encoder with adaptive short window grouping
US7555434B2 (en) 2002-07-19 2009-06-30 Nec Corporation Audio decoding device, decoding method, and program
BRPI0305710B1 (pt) 2002-08-01 2017-11-07 Panasonic Corporation "apparatus and method of decoding of audio"
JP3861770B2 (ja) 2002-08-21 2006-12-20 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
US6792057B2 (en) 2002-08-29 2004-09-14 Bae Systems Information And Electronic Systems Integration Inc Partial band reconstruction of frequency channelized filters
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
ES2259158T3 (es) 2002-09-19 2006-09-16 Matsushita Electric Industrial Co., Ltd. Metodo y aparato decodificador audio.
US7191136B2 (en) 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband
FR2852172A1 (fr) 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
US7318035B2 (en) 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
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
US6982377B2 (en) 2003-12-18 2006-01-03 Texas Instruments Incorporated Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing

Also Published As

Publication number Publication date
DE60239299D1 (de) 2011-04-07
ATE464636T1 (de) 2010-04-15
EP1600945B1 (en) 2011-02-23
DE60233835D1 (de) 2009-11-05
ATE456124T1 (de) 2010-02-15
CN1758336B (zh) 2010-08-18
US20100046761A1 (en) 2010-02-25
EP2249336A1 (en) 2010-11-10
US9218818B2 (en) 2015-12-22
HK1124950A1 (en) 2009-07-24
JP4474347B2 (ja) 2010-06-02
ES2394768T3 (es) 2013-02-05
DK2015292T3 (da) 2010-01-04
CN101887724B (zh) 2012-05-30
CN1758337A (zh) 2006-04-12
US20090316914A1 (en) 2009-12-24
US8014534B2 (en) 2011-09-06
JP2006085183A (ja) 2006-03-30
KR100679376B1 (ko) 2007-02-05
ATE443909T1 (de) 2009-10-15
JP2009217290A (ja) 2009-09-24
CN101996634B (zh) 2012-07-18
JP4786987B2 (ja) 2011-10-05
CN1758338A (zh) 2006-04-12
DE60236028D1 (de) 2010-05-27
EP1603117A2 (en) 2005-12-07
US8081763B2 (en) 2011-12-20
JP4447317B2 (ja) 2010-04-07
CN1758335A (zh) 2006-04-12
EP1410687A1 (en) 2004-04-21
EP3477640A1 (en) 2019-05-01
HK1080207B (en) 2018-04-27
CN1758335B (zh) 2010-10-06
US8059826B2 (en) 2011-11-15
US20060023895A1 (en) 2006-02-02
HK1145728A1 (en) 2011-04-29
US20060023891A1 (en) 2006-02-02
CN101887724A (zh) 2010-11-17
JP5186543B2 (ja) 2013-04-17
ATE305715T1 (de) 2005-10-15
EP2015292B1 (en) 2009-09-23
KR100666814B1 (ko) 2007-01-09
HK1232335A1 (en) 2018-01-05
JP2006087130A (ja) 2006-03-30
US8116460B2 (en) 2012-02-14
EP1603119B1 (en) 2010-01-20
JP2006074818A (ja) 2006-03-16
KR20050099560A (ko) 2005-10-13
US7382886B2 (en) 2008-06-03
ES2650715T3 (es) 2018-01-22
CN1758338B (zh) 2010-11-17
KR20050099559A (ko) 2005-10-13
ES2714153T3 (es) 2019-05-27
CN1758336A (zh) 2006-04-12
EP1603119A2 (en) 2005-12-07
HK1080206A1 (en) 2006-04-21
EP1603118A2 (en) 2005-12-07
DK1603118T3 (da) 2018-01-02
JP2011101406A (ja) 2011-05-19
HK1080208A1 (en) 2006-04-21
CN1279790C (zh) 2006-10-11
SE0202159D0 (sv) 2002-07-09
EP1603119A3 (en) 2008-02-06
ES2333278T3 (es) 2010-02-18
PT3104367T (pt) 2019-03-14
EP1603117A3 (en) 2008-02-06
JP2004535145A (ja) 2004-11-18
EP1603118B1 (en) 2017-09-20
HK1080208B (en) 2011-04-29
KR100666815B1 (ko) 2007-01-09
ES2344145T3 (es) 2010-08-19
JP4700467B2 (ja) 2011-06-15
JP2010020342A (ja) 2010-01-28
JP5133397B2 (ja) 2013-01-30
ES2248570T3 (es) 2006-03-16
US8243936B2 (en) 2012-08-14
EP1410687B1 (en) 2005-09-28
HK1062624A1 (en) 2004-11-12
EP3104367B1 (en) 2019-01-09
ES2338891T3 (es) 2010-05-13
ATE499675T1 (de) 2011-03-15
US20060029231A1 (en) 2006-02-09
EP1600945A2 (en) 2005-11-30
JP2011034102A (ja) 2011-02-17
US20060023888A1 (en) 2006-02-02
HK1080979B (en) 2010-09-17
DK2249336T3 (da) 2013-01-02
EP1603118A3 (en) 2008-02-20
JP5186444B2 (ja) 2013-04-17
KR20040019042A (ko) 2004-03-04
EP1603117B1 (en) 2010-04-14
JP4878384B2 (ja) 2012-02-15
EP3477640B1 (en) 2021-09-29
KR100649299B1 (ko) 2006-11-24
CN1524400A (zh) 2004-08-25
JP2012181539A (ja) 2012-09-20
JP5427270B2 (ja) 2014-02-26
DE60235208D1 (de) 2010-03-11
CN101996634A (zh) 2011-03-30
KR20050100011A (ko) 2005-10-17
WO2003007656A1 (en) 2003-01-23
EP1600945A3 (en) 2008-02-13
KR100666813B1 (ko) 2007-01-09
US8073144B2 (en) 2011-12-06
EP2015292A1 (en) 2009-01-14
DE60206390D1 (de) 2005-11-03
EP3104367A1 (en) 2016-12-14
EP2249336B1 (en) 2012-09-12
US20050053242A1 (en) 2005-03-10
CN1758337B (zh) 2010-12-08
KR20050100012A (ko) 2005-10-17
US20120213377A1 (en) 2012-08-23
HK1080979A1 (en) 2006-05-04
DE60206390T2 (de) 2006-07-13
HK1080206B (en) 2010-07-23
JP2006087131A (ja) 2006-03-30
PT1603118T (pt) 2017-12-22

Similar Documents

Publication Publication Date Title
DK3104367T3 (da) Parametrisk stereo audiodekodning
US10540982B2 (en) Efficient and scalable parametric stereo coding for low bitrate audio coding applications
HK40008195A (en) Efficient and scalable parametric stereo coding for low bitrate audio coding applications
HK40008195B (en) Parametric stereo audio decoding
HK1232335B (en) Parametric stereo audio decoding