PL1803117T3 - Kształtowanie obwiedni czasowej pojedynczych kanałów w schematach kodowania binauralnego i podobnych - Google Patents

Kształtowanie obwiedni czasowej pojedynczych kanałów w schematach kodowania binauralnego i podobnych

Info

Publication number
PL1803117T3
PL1803117T3 PL05792350T PL05792350T PL1803117T3 PL 1803117 T3 PL1803117 T3 PL 1803117T3 PL 05792350 T PL05792350 T PL 05792350T PL 05792350 T PL05792350 T PL 05792350T PL 1803117 T3 PL1803117 T3 PL 1803117T3
Authority
PL
Poland
Prior art keywords
temporal envelope
audio
envelope
channel
channels
Prior art date
Application number
PL05792350T
Other languages
English (en)
Inventor
Eric Allamanche
Sascha Disch
Christof Faller
Juergen Herre
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
Publication of PL1803117T3 publication Critical patent/PL1803117T3/pl

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)
  • Time-Division Multiplex Systems (AREA)
  • Steroid Compounds (AREA)
  • Electrophonic Musical Instruments (AREA)
PL05792350T 2004-10-20 2005-09-07 Kształtowanie obwiedni czasowej pojedynczych kanałów w schematach kodowania binauralnego i podobnych PL1803117T3 (pl)

Applications Claiming Priority (4)

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
EP05792350A EP1803117B1 (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
PL1803117T3 true PL1803117T3 (pl) 2009-08-31

Family

ID=36180779

Family Applications (1)

Application Number Title Priority Date Filing Date
PL05792350T PL1803117T3 (pl) 2004-10-20 2005-09-07 Kształtowanie obwiedni czasowej pojedynczych kanałów w schematach kodowania binauralnego i podobnych

Country Status (21)

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

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
BRPI0515128A (pt) * 2004-08-31 2008-07-08 Matsushita Electric Ind Co Ltd aparelho de geração de sinal estéreo e método de geração de sinal estéreo
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
CN101147191B (zh) * 2005-03-25 2011-07-13 松下电器产业株式会社 语音编码装置和语音编码方法
WO2006126844A2 (en) * 2005-05-26 2006-11-30 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
TWI329462B (en) * 2006-01-19 2010-08-21 Lg Electronics Inc Method and apparatus for processing a media signal
JP4966981B2 (ja) * 2006-02-03 2012-07-04 韓國電子通信研究院 空間キューを用いたマルチオブジェクト又はマルチチャネルオーディオ信号のレンダリング制御方法及びその装置
JP5054035B2 (ja) * 2006-02-07 2012-10-24 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
ES2339888T3 (es) * 2006-02-21 2010-05-26 Koninklijke Philips Electronics N.V. Codificacion y decodificacion de audio.
KR100773562B1 (ko) 2006-03-06 2007-11-07 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
WO2007107670A2 (fr) * 2006-03-20 2007-09-27 France Telecom Procede de post-traitement d'un signal dans un decodeur audio
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
US8417532B2 (en) 2006-10-18 2013-04-09 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
US8126721B2 (en) 2006-10-18 2012-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
JP5450085B2 (ja) * 2006-12-07 2014-03-26 エルジー エレクトロニクス インコーポレイティド オーディオ処理方法及び装置
FR2911426A1 (fr) * 2007-01-15 2008-07-18 France Telecom Modification d'un signal de parole
WO2008108721A1 (en) 2007-03-05 2008-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for controlling smoothing of stationary background noise
CN101868821B (zh) * 2007-11-21 2015-09-23 Lg电子株式会社 用于处理信号的方法和装置
WO2009106147A1 (en) * 2008-02-29 2009-09-03 Telefonaktiebolaget Lm 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
PL2491551T3 (pl) * 2009-10-20 2015-06-30 Fraunhofer Ges Forschung Urządzenie do dostarczania reprezentacji sygnału upmixu w oparciu o reprezentację sygnału downmixu, urządzenie do dostarczania strumienia bitów reprezentującego wielokanałowy sygnał audio, sposoby, program komputerowy i strumień bitów wykorzystujący sygnalizację sterowania zniekształceniami
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
WO2012000882A1 (en) 2010-07-02 2012-01-05 Dolby International Ab Selective bass post filter
EP2671221B1 (en) * 2011-02-03 2017-02-01 Telefonaktiebolaget LM Ericsson (publ) Determining the inter-channel time difference of a multi-channel audio signal
JP6063555B2 (ja) 2012-04-05 2017-01-18 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． マルチチャネルオーディオエンコーダ及びマルチチャネルオーディオ信号を符号化する方法
JP6133422B2 (ja) * 2012-08-03 2017-05-24 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 マルチチャネルをダウンミックス／アップミックスする場合のため一般化された空間オーディオオブジェクト符号化パラメトリック概念のデコーダおよび方法
JP6248186B2 (ja) * 2013-05-24 2017-12-13 ドルビー・インターナショナル・アーベー オーディオ・エンコードおよびデコード方法、対応するコンピュータ可読媒体ならびに対応するオーディオ・エンコーダおよびデコーダ
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
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
EP2830333A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
KR101782916B1 (ko) 2013-09-17 2017-09-28 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
WO2015060654A1 (ko) 2013-10-22 2015-04-30 한국전자통신연구원 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
WO2015099429A1 (ko) 2013-12-23 2015-07-02 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법, 이를 위한 파라메터화 장치 및 오디오 신호 처리 장치
CN108600935B (zh) 2014-03-19 2020-11-03 韦勒斯标准与技术协会公司 音频信号处理方法和设备
KR101856127B1 (ko) 2014-04-02 2018-05-09 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
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
US10672408B2 (en) 2015-08-25 2020-06-02 Dolby Laboratories Licensing Corporation Audio decoder and decoding method
CA2985019C (en) 2016-02-17 2022-05-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. 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
ES2909343T3 (es) * 2018-04-05 2022-05-06 Fraunhofer Ges Forschung Aparato, método o programa informático para estimar una diferencia de tiempo entre canales
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
US4815132A (en) 1985-08-30 1989-03-21 Kabushiki Kaisha Toshiba Stereophonic voice signal transmission system
DE3639753A1 (de) 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
DE3943879B4 (de) 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
SG49883A1 (en) 1991-01-08 1998-06-15 Dolby Lab Licensing Corp 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
US7012630B2 (en) 1996-02-08 2006-03-14 Verizon Services Corp. Spatial sound conference system and apparatus
DE69734543T2 (de) 1996-02-08 2006-07-20 Koninklijke Philips Electronics N.V. Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
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
US7116787B2 (en) 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
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
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
CN1705980A (zh) 2002-02-18 2005-12-07 皇家飞利浦电子股份有限公司 参数音频编码
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
ES2268340T3 (es) 2002-04-22 2007-03-16 Koninklijke Philips Electronics N.V. Representacion de audio parametrico de multiples canales.
EP2879299B1 (en) 2002-05-03 2017-07-26 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
AU2003244932A1 (en) 2002-07-12 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
WO2004008437A2 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
EP1523863A1 (en) 2002-07-16 2005-04-20 Koninklijke Philips Electronics N.V. Audio coding
KR101008520B1 (ko) 2002-11-28 2011-01-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 코딩
KR101049751B1 (ko) * 2003-02-11 2011-07-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
FI118247B (fi) 2003-02-26 2007-08-31 Fraunhofer Ges Forschung Menetelmä luonnollisen tai modifioidun tilavaikutelman aikaansaamiseksi monikanavakuuntelussa
US20060171542A1 (en) 2003-03-24 2006-08-03 Den Brinker Albertus C Coding of main and side signal representing a multichannel signal
US20050069143A1 (en) 2003-09-30 2005-03-31 Budnikov Dmitry N. Filtering for spatial audio rendering
EP1672618B1 (en) * 2003-10-07 2010-12-15 Panasonic Corporation Method for deciding time boundary for encoding spectrum envelope and frequency resolution
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
US7653533B2 (en) * 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths

Also Published As

Publication number Publication date
IL182236A0 (en) 2007-09-20
PT1803117E (pt) 2009-06-15
NO338919B1 (no) 2016-10-31
TW200628001A (en) 2006-08-01
DK1803117T3 (da) 2009-06-22
MX2007004726A (es) 2007-09-07
CA2582485C (en) 2012-05-15
JP4664371B2 (ja) 2011-04-06
ATE424606T1 (de) 2009-03-15
DE602005013103D1 (de) 2009-04-16
AU2005299068A1 (en) 2006-05-04
BRPI0516405B1 (pt) 2019-09-17
CA2582485A1 (en) 2006-05-04
KR20070061872A (ko) 2007-06-14
CN101044551B (zh) 2012-02-08
ES2323275T3 (es) 2009-07-10
WO2006045371A1 (en) 2006-05-04
BRPI0516405A8 (pt) 2018-07-31
US20060083385A1 (en) 2006-04-20
US7720230B2 (en) 2010-05-18
NO20071493L (no) 2007-05-22
BRPI0516405A (pt) 2008-09-02
JP2008517333A (ja) 2008-05-22
IL182236A (en) 2011-08-31
KR100924576B1 (ko) 2009-11-02
TWI318079B (en) 2009-12-01
CN101044551A (zh) 2007-09-26
AU2005299068B2 (en) 2008-10-30
EP1803117A1 (en) 2007-07-04
HK1106861A1 (en) 2008-03-20
RU2339088C1 (ru) 2008-11-20
EP1803117B1 (en) 2009-03-04

Similar Documents

Publication Publication Date Title
PT1803117E (pt) Conformação individual de canal para esquemas bcc e similares
PL1803325T3 (pl) Kształtowanie obwiedni dźwięku rozproszonego wykorzystywane w schematach kodowania binauralnego i podobnych
MY142581A (en) Compact side information for parametric coding of spatial audio
TW200625275A (en) Cue-based audio coding/decoding
MY145083A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information.
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
PL1866912T3 (pl) Kodowanie wielokanałowego sygnału audio
HK1111855A1 (en) Device and method for generating an encoded stereo signal
MY159022A (en) Improved audio coding system using spectral hole filling
MY163042A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
IL174286A0 (en) Compatible multi-channel coding/decoding
MX2007003063A (es) Codificacion combinada de audio que minimiza la distorsion perceptual.
HK1115665A1 (en) Fidelity-optimised pre-echo suppressing encoding
BR112022000230A2 (pt) Codificação e decodificação de fluxos de bits de ivas
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