DK1803117T3 - Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende - Google Patents

Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende

Info

Publication number
DK1803117T3
DK1803117T3 DK05792350T DK05792350T DK1803117T3 DK 1803117 T3 DK1803117 T3 DK 1803117T3 DK 05792350 T DK05792350 T DK 05792350T DK 05792350 T DK05792350 T DK 05792350T DK 1803117 T3 DK1803117 T3 DK 1803117T3
Authority
DK
Denmark
Prior art keywords
envelope
audio
channels
channel
temporal envelope
Prior art date
Application number
DK05792350T
Other languages
Danish (da)
English (en)
Inventor
Sascha Disch
Christof Faller
Juergen Herre
Eric Allamanche
Original Assignee
Fraunhofer Ges Forschung
Agere Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung, Agere Systems Inc filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK1803117T3 publication Critical patent/DK1803117T3/da

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
    • G10L19/008—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
    • G10L19/02—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Outer Garments And Coats (AREA)
  • Superheterodyne Receivers (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Steroid Compounds (AREA)
  • Time-Division Multiplex Systems (AREA)
DK05792350T 2004-10-20 2005-09-07 Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende DK1803117T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US62048004P 2004-10-20 2004-10-20
US11/006,482 US7720230B2 (en) 2004-10-20 2004-12-07 Individual channel shaping for BCC schemes and the like
PCT/EP2005/009618 WO2006045371A1 (en) 2004-10-20 2005-09-07 Individual channel temporal envelope shaping for binaural cue coding schemes and the like

Publications (1)

Publication Number Publication Date
DK1803117T3 true DK1803117T3 (da) 2009-06-22

Family

ID=36180779

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05792350T DK1803117T3 (da) 2004-10-20 2005-09-07 Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende

Country Status (21)

Country Link
US (1) US7720230B2 (pt)
EP (1) EP1803117B1 (pt)
JP (1) JP4664371B2 (pt)
KR (1) KR100924576B1 (pt)
CN (1) CN101044551B (pt)
AT (1) ATE424606T1 (pt)
AU (1) AU2005299068B2 (pt)
BR (1) BRPI0516405B1 (pt)
CA (1) CA2582485C (pt)
DE (1) DE602005013103D1 (pt)
DK (1) DK1803117T3 (pt)
ES (1) ES2323275T3 (pt)
HK (1) HK1106861A1 (pt)
IL (1) IL182236A (pt)
MX (1) MX2007004726A (pt)
NO (1) NO338919B1 (pt)
PL (1) PL1803117T3 (pt)
PT (1) PT1803117E (pt)
RU (1) RU2339088C1 (pt)
TW (1) TWI318079B (pt)
WO (1) WO2006045371A1 (pt)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI393121B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 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
US20060106620A1 (en) * 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
KR100682915B1 (ko) * 2005-01-13 2007-02-15 삼성전자주식회사 다채널 신호 부호화/복호화 방법 및 장치
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
JP4887288B2 (ja) * 2005-03-25 2012-02-29 パナソニック株式会社 音声符号化装置および音声符号化方法
US8917874B2 (en) * 2005-05-26 2014-12-23 Lg Electronics Inc. Method and apparatus for decoding an 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
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
US8111830B2 (en) * 2005-12-19 2012-02-07 Samsung Electronics Co., Ltd. Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener
KR100644715B1 (ko) * 2005-12-19 2006-11-10 삼성전자주식회사 능동적 오디오 매트릭스 디코딩 방법 및 장치
JP4806031B2 (ja) * 2006-01-19 2011-11-02 エルジー エレクトロニクス インコーポレイティド メディア信号の処理方法及び装置
CN101410891A (zh) * 2006-02-03 2009-04-15 韩国电子通信研究院 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置
KR100983286B1 (ko) * 2006-02-07 2010-09-24 엘지전자 주식회사 부호화/복호화 장치 및 방법
BRPI0707969B1 (pt) 2006-02-21 2020-01-21 Koninklijke Philips Electonics N V codificador de áudio, decodificador de áudio, método de codificação de áudio, receptor para receber um sinal de áudio, transmissor, método para transmitir um fluxo de dados de saída de áudio, e produto de programa de computador
KR100773562B1 (ko) * 2006-03-06 2007-11-07 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
US20090299755A1 (en) * 2006-03-20 2009-12-03 France Telecom Method for Post-Processing a Signal in an Audio Decoder
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
US7876904B2 (en) * 2006-07-08 2011-01-25 Nokia Corporation Dynamic decoding of binaural audio signals
US8126721B2 (en) 2006-10-18 2012-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
US8041578B2 (en) 2006-10-18 2011-10-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
US8417532B2 (en) 2006-10-18 2013-04-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
EP2102858A4 (en) * 2006-12-07 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL
FR2911426A1 (fr) * 2007-01-15 2008-07-18 France Telecom Modification d'un signal de parole
RU2469419C2 (ru) * 2007-03-05 2012-12-10 Телефонактиеболагет Лм Эрикссон (Пабл) Способ и устройство для управления сглаживанием стационарного фонового шума
US8527282B2 (en) * 2007-11-21 2013-09-03 Lg Electronics Inc. Method and an apparatus for processing a signal
US8548322B2 (en) * 2008-02-29 2013-10-01 Telefonaktiebolaget L M Ericsson (Publ) Channel power estimation means
CN102027535A (zh) * 2008-04-11 2011-04-20 诺基亚公司 信号处理
KR101499785B1 (ko) 2008-10-23 2015-03-09 삼성전자주식회사 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법
JP4932917B2 (ja) 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
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
AU2010309867B2 (en) * 2009-10-20 2014-05-08 Dolby International Ab Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling
EP2323130A1 (en) * 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametric encoding and decoding
FR2961980A1 (fr) * 2010-06-24 2011-12-30 France Telecom Controle d'une boucle de retroaction de mise en forme de bruit dans un codeur de signal audionumerique
CA2958360C (en) 2010-07-02 2017-11-14 Dolby International Ab Audio decoder
EP3182409B1 (en) 2011-02-03 2018-03-14 Telefonaktiebolaget LM Ericsson (publ) Determining the inter-channel time difference of a multi-channel audio signal
WO2013149671A1 (en) * 2012-04-05 2013-10-10 Huawei Technologies Co., Ltd. Multi-channel audio encoder and method for encoding a multi-channel audio signal
EP2880654B1 (en) * 2012-08-03 2017-09-13 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases
CN105393304B (zh) * 2013-05-24 2019-05-28 杜比国际公司 音频编码和解码方法、介质以及音频编码器和解码器
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
EP2830334A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient object metadata coding
CA3194257A1 (en) 2013-09-17 2015-03-26 Wilus Institute Of Standards And Technology Inc. Method and apparatus for processing multimedia signals
US10580417B2 (en) * 2013-10-22 2020-03-03 Industry-Academic Cooperation Foundation, Yonsei University Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain
JP6151866B2 (ja) 2013-12-23 2017-06-21 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド オーディオ信号のフィルタ生成方法およびそのためのパラメータ化装置
WO2015142073A1 (ko) 2014-03-19 2015-09-24 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
EP3128766A4 (en) 2014-04-02 2018-01-03 Wilus Institute of Standards and Technology Inc. Audio signal processing method and device
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
TWI587286B (zh) * 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
JP6797187B2 (ja) 2015-08-25 2020-12-09 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 オーディオ・デコーダおよびデコード方法
EP3627507A1 (en) 2016-02-17 2020-03-25 Fraunhofer Gesellschaft zur Förderung der Angewand Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
CN107818790B (zh) * 2017-11-16 2020-08-11 苏州麦迪斯顿医疗科技股份有限公司 一种多路音频混音方法及装置
JP7204774B2 (ja) * 2018-04-05 2023-01-16 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン チャネル間時間差を推定するための装置、方法またはコンピュータプログラム
GB2584630A (en) * 2019-05-29 2020-12-16 Nokia Technologies Oy Audio processing

Family Cites Families (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236039A (en) 1976-07-19 1980-11-25 National Research Development Corporation Signal matrixing for directional reproduction of sound
CA1268546C (en) 1985-08-30 1990-05-01 STEREO VOICE SIGNAL TRANSMISSION SYSTEM
DE3639753A1 (de) 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
DE3912605B4 (de) 1989-04-17 2008-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
AU653582B2 (en) 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
DE4209544A1 (de) 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
DE4236989C2 (de) 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
US5371799A (en) 1993-06-01 1994-12-06 Qsound Labs, Inc. Stereo headphone sound source localization system
US5463424A (en) 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
JP3227942B2 (ja) 1993-10-26 2001-11-12 ソニー株式会社 高能率符号化装置
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
JP3277679B2 (ja) 1994-04-15 2002-04-22 ソニー株式会社 高能率符号化方法と高能率符号化装置及び高能率復号化方法と高能率復号化装置
JPH0969783A (ja) 1995-08-31 1997-03-11 Nippon Steel Corp オーディオデータ符号化装置
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
US5771295A (en) 1995-12-26 1998-06-23 Rocktron Corporation 5-2-5 matrix system
JP3793235B2 (ja) 1996-02-08 2006-07-05 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 ２チャネル伝送及び１チャネル伝送に適合するｎチャネル伝送
US7012630B2 (en) 1996-02-08 2006-03-14 Verizon Services Corp. Spatial sound conference system and apparatus
US5825776A (en) 1996-02-27 1998-10-20 Ericsson Inc. Circuitry and method for transmitting voice and data signals upon a wireless communication channel
US5889843A (en) 1996-03-04 1999-03-30 Interval Research Corporation Methods and systems for creating a spatial auditory environment in an audio conference system
US5812971A (en) 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US6697491B1 (en) 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
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
SG54379A1 (en) 1996-10-24 1998-11-16 Sgs Thomson Microelectronics A Audio decoder with an adaptive frequency domain downmixer
SG54383A1 (en) 1996-10-31 1998-11-16 Sgs Thomson Microelectronics A Method and apparatus for decoding multi-channel audio data
US5912976A (en) 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
US6131084A (en) 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6111958A (en) 1997-03-21 2000-08-29 Euphonics, Incorporated Audio spatial enhancement apparatus and methods
US5860060A (en) 1997-05-02 1999-01-12 Texas Instruments Incorporated Method for left/right channel self-alignment
US5946352A (en) 1997-05-02 1999-08-31 Texas Instruments Incorporated Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain
US6108584A (en) 1997-07-09 2000-08-22 Sony Corporation Multichannel digital audio decoding method and apparatus
DE19730130C2 (de) 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
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
US6021389A (en) 1998-03-20 2000-02-01 Scientific Learning Corp. Method and apparatus that exaggerates differences between sounds to train listener to recognize and identify similar sounds
US6016473A (en) 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
TW444511B (en) 1998-04-14 2001-07-01 Inst Information Industry Multi-channel sound effect simulation equipment and method
JP3657120B2 (ja) 1998-07-30 2005-06-08 株式会社アーニス・サウンド・テクノロジーズ 左，右両耳用のオーディオ信号を音像定位させるための処理方法
JP2000152399A (ja) 1998-11-12 2000-05-30 Yamaha Corp 音場効果制御装置
US6408327B1 (en) 1998-12-22 2002-06-18 Nortel Networks Limited Synthetic stereo conferencing over LAN/WAN
US6282631B1 (en) 1998-12-23 2001-08-28 National Semiconductor Corporation Programmable RISC-DSP architecture
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
JP4438127B2 (ja) 1999-06-18 2010-03-24 ソニー株式会社 音声符号化装置及び方法、音声復号装置及び方法、並びに記録媒体
US6823018B1 (en) 1999-07-28 2004-11-23 At&T Corp. Multiple description coding communication system
US6434191B1 (en) 1999-09-30 2002-08-13 Telcordia Technologies, Inc. Adaptive layered coding for voice over wireless IP applications
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US6614936B1 (en) 1999-12-03 2003-09-02 Microsoft Corporation System and method for robust video coding using progressive fine-granularity scalable (PFGS) coding
US6498852B2 (en) 1999-12-07 2002-12-24 Anthony Grimani Automatic LFE audio signal derivation system
US6845163B1 (en) 1999-12-21 2005-01-18 At&T Corp Microphone array for preserving soundfield perceptual cues
US6782366B1 (en) 2000-05-15 2004-08-24 Lsi Logic Corporation Method for independent dynamic range control
US6850496B1 (en) 2000-06-09 2005-02-01 Cisco Technology, Inc. Virtual conference room for voice conferencing
US6973184B1 (en) 2000-07-11 2005-12-06 Cisco Technology, Inc. System and method for stereo conferencing over low-bandwidth links
US7236838B2 (en) 2000-08-29 2007-06-26 Matsushita Electric Industrial Co., Ltd. Signal processing apparatus, signal processing method, program and recording medium
JP3426207B2 (ja) 2000-10-26 2003-07-14 三菱電機株式会社 音声符号化方法および装置
TW510144B (en) 2000-12-27 2002-11-11 C Media Electronics Inc Method and structure to output four-channel analog signal using two channel audio hardware
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7006636B2 (en) 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7116787B2 (en) 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US20030035553A1 (en) 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US6934676B2 (en) 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
US7668317B2 (en) 2001-05-30 2010-02-23 Sony Corporation Audio post processing in DVD, DTV and other audio visual products
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
JP4347698B2 (ja) 2002-02-18 2009-10-21 アイピージー エレクトロニクス ５０３ リミテッド パラメトリックオーディオ符号化
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
AU2003216686A1 (en) 2002-04-22 2003-11-03 Koninklijke Philips Electronics N.V. Parametric multi-channel audio representation
WO2003094369A2 (en) 2002-05-03 2003-11-13 Harman International Industries, Incorporated Multi-channel downmixing device
US6940540B2 (en) 2002-06-27 2005-09-06 Microsoft Corporation Speaker detection and tracking using audiovisual data
KR100981699B1 (ko) 2002-07-12 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
US7542896B2 (en) 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
WO2004008437A2 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
AU2003274520A1 (en) 2002-11-28 2004-06-18 Koninklijke Philips Electronics N.V. Coding an audio signal
WO2004072956A1 (en) * 2003-02-11 2004-08-26 Koninklijke Philips Electronics N.V. Audio coding
FI118247B (fi) 2003-02-26 2007-08-31 Fraunhofer Ges Forschung Menetelmä luonnollisen tai modifioidun tilavaikutelman aikaansaamiseksi monikanavakuuntelussa
JP2006521577A (ja) 2003-03-24 2006-09-21 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 マルチチャネル信号を表す主信号と副信号の符号化
US20050069143A1 (en) 2003-09-30 2005-03-31 Budnikov Dmitry N. Filtering for spatial audio rendering
DE602004030594D1 (de) * 2003-10-07 2011-01-27 Panasonic Corp Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung
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
US7716043B2 (en) * 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths

Also Published As

Publication number Publication date
TW200628001A (en) 2006-08-01
JP2008517333A (ja) 2008-05-22
CN101044551B (zh) 2012-02-08
BRPI0516405B1 (pt) 2019-09-17
DE602005013103D1 (de) 2009-04-16
CN101044551A (zh) 2007-09-26
PT1803117E (pt) 2009-06-15
ATE424606T1 (de) 2009-03-15
RU2339088C1 (ru) 2008-11-20
ES2323275T3 (es) 2009-07-10
PL1803117T3 (pl) 2009-08-31
IL182236A0 (en) 2007-09-20
AU2005299068A1 (en) 2006-05-04
BRPI0516405A (pt) 2008-09-02
EP1803117A1 (en) 2007-07-04
KR100924576B1 (ko) 2009-11-02
WO2006045371A1 (en) 2006-05-04
IL182236A (en) 2011-08-31
AU2005299068B2 (en) 2008-10-30
BRPI0516405A8 (pt) 2018-07-31
CA2582485C (en) 2012-05-15
US7720230B2 (en) 2010-05-18
CA2582485A1 (en) 2006-05-04
NO20071493L (no) 2007-05-22
EP1803117B1 (en) 2009-03-04
NO338919B1 (no) 2016-10-31
HK1106861A1 (en) 2008-03-20
JP4664371B2 (ja) 2011-04-06
US20060083385A1 (en) 2006-04-20
KR20070061872A (ko) 2007-06-14
TWI318079B (en) 2009-12-01
MX2007004726A (es) 2007-09-07

Similar Documents

Publication Publication Date Title
DK1803117T3 (da) Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende
PL1803325T3 (pl) Kształtowanie obwiedni dźwięku rozproszonego wykorzystywane w schematach kodowania binauralnego i podobnych
TW200631449A (en) Compact side information for parametric coding of spatialaudio
MY145083A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information.
ATE473502T1 (de) Mehrkanal-audiocodierung
TW200625275A (en) Cue-based audio coding/decoding
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
WO2006030340A3 (en) Combined audio coding minimizing perceptual distortion
HK1092001A1 (en) Compatible multi-channel coding/decoding
EP2094031A3 (de) Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
PL2088580T3 (pl) Kodowanie sygnałów audio
BR112022000230A2 (pt) Codificação e decodificação de fluxos de bits de ivas
BRPI0516658A (pt) aparelho de codificação de estéreo, aparelho de decodificação de estéreo e seus métodos
ATE309644T1 (de) Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
WO2002025953A3 (en) Video and audio transcoder
TW200625954A (en) Video playback apparatus and video playback method
MY149615A (en) Apparatus for encoding and decoding audio signal and method thereof
TH32577A (th) วงจรแก้ไขสนามของเสียง