HK1090504A1 - Multi-channel synthesizer and method for generating a multi-channel output signal - Google Patents

Multi-channel synthesizer and method for generating a multi-channel output signal

Info

Publication number
HK1090504A1
HK1090504A1 HK06110779A HK06110779A HK1090504A1 HK 1090504 A1 HK1090504 A1 HK 1090504A1 HK 06110779 A HK06110779 A HK 06110779A HK 06110779 A HK06110779 A HK 06110779A HK 1090504 A1 HK1090504 A1 HK 1090504A1
Authority
HK
Hong Kong
Prior art keywords
channel
post
reconstruction parameter
output signal
reconstruction
Prior art date
Application number
HK06110779A
Other languages
English (en)
Inventor
Herre Juergen
Disch Sascha
Hilpert Johannes
Ertel Christian
Hoelzer Andreas
Spenger Claus-Christian
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1090504A1 publication Critical patent/HK1090504A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radio Relay Systems (AREA)
  • Stereophonic System (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
HK06110779A 2004-06-30 2006-09-28 Multi-channel synthesizer and method for generating a multi-channel output signal HK1090504A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/883,538 US8843378B2 (en) 2004-06-30 2004-06-30 Multi-channel synthesizer and method for generating a multi-channel output signal
PCT/EP2005/006315 WO2006002748A1 (en) 2004-06-30 2005-06-13 Multi-channel synthesizer and method for generating a multi-channel output signal

Publications (1)

Publication Number Publication Date
HK1090504A1 true HK1090504A1 (en) 2006-12-22

Family

ID=34971777

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06110779A HK1090504A1 (en) 2004-06-30 2006-09-28 Multi-channel synthesizer and method for generating a multi-channel output signal

Country Status (18)

Country Link
US (1) US8843378B2 (xx)
EP (1) EP1649723B1 (xx)
JP (1) JP4712799B2 (xx)
KR (1) KR100913987B1 (xx)
CN (1) CN1954642B (xx)
AT (1) ATE394901T1 (xx)
AU (1) AU2005259618B2 (xx)
BR (1) BRPI0511362B1 (xx)
CA (1) CA2569666C (xx)
DE (1) DE602005006495D1 (xx)
ES (1) ES2307188T3 (xx)
HK (1) HK1090504A1 (xx)
IL (1) IL178670A (xx)
MX (1) MXPA06014968A (xx)
NO (1) NO338980B1 (xx)
PT (1) PT1649723E (xx)
RU (1) RU2345506C2 (xx)
WO (1) WO2006002748A1 (xx)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4612787B2 (ja) * 2003-03-07 2011-01-12 キヤノン株式会社 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
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
ES2387256T3 (es) * 2004-07-14 2012-09-19 Koninklijke Philips Electronics N.V. Método, dispositivo, aparato codificador, aparato decodificador y sistema de audio
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
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
EP1851866B1 (en) * 2005-02-23 2011-08-17 Telefonaktiebolaget LM Ericsson (publ) Adaptive bit allocation for multi-channel audio encoding
EP1858006B1 (en) * 2005-03-25 2017-01-25 Panasonic Intellectual Property Corporation of America Sound encoding device and sound encoding method
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
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
US8577686B2 (en) * 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP2009518659A (ja) * 2005-09-27 2009-05-07 エルジー エレクトロニクス インコーポレイティド マルチチャネルオーディオ信号の符号化／復号化方法及び装置
EP1974347B1 (en) * 2006-01-19 2014-08-06 LG Electronics Inc. Method and apparatus for processing a media signal
WO2007089129A1 (en) * 2006-02-03 2007-08-09 Electronics And Telecommunications Research Institute Apparatus and method for visualization of multichannel audio signals
KR100921453B1 (ko) * 2006-02-07 2009-10-13 엘지전자 주식회사 부호화/복호화 장치 및 방법
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
US7930173B2 (en) * 2006-06-19 2011-04-19 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
DE102006030276A1 (de) 2006-06-30 2008-01-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines gefilterten Aktivitätsmusters, Quellentrenner, Verfahren zum Erzeugen eines bereinigten Audiosignals und Computerprogramm
KR100763919B1 (ko) * 2006-08-03 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2 채널의 바이노럴 신호로 복호화하는 방법 및 장치
US20080235006A1 (en) * 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
JP4769673B2 (ja) * 2006-09-20 2011-09-07 富士通株式会社 オーディオ信号補間方法及びオーディオ信号補間装置
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
DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
EP2092516A4 (en) 2006-11-15 2010-01-13 Lg Electronics Inc METHOD AND APPARATUS FOR AUDIO SIGNAL DECODING
JP5463143B2 (ja) 2006-12-07 2014-04-09 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その装置
WO2008069594A1 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US20100119073A1 (en) * 2007-02-13 2010-05-13 Lg Electronics, Inc. Method and an apparatus for processing an audio signal
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
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
KR101505831B1 (ko) * 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
RU2565008C2 (ru) 2008-03-10 2015-10-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и метод для обработки аудио сигнала, содержащего переходный сигнал
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
EP2154910A1 (en) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for merging spatial audio streams
WO2010036062A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
US8346380B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
US8346379B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
MX2011011399A (es) 2008-10-17 2012-06-27 Univ Friedrich Alexander Er Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
KR101499785B1 (ko) 2008-10-23 2015-03-09 삼성전자주식회사 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
ES2644520T3 (es) * 2009-09-29 2017-11-29 Dolby International Ab Decodificador de señal de audio MPEG-SAOC, método para proporcionar una representación de señal de mezcla ascendente usando decodificación MPEG-SAOC y programa informático usando un valor de parámetro de correlación inter-objeto común dependiente del tiempo/frecuencia
ES2461172T3 (es) * 2009-10-21 2014-05-19 Dolby International Ab Aparato y procedimiento para generar una señal de audio de alta frecuencia usando sobremuestreo adaptativo
MY154641A (en) * 2009-11-20 2015-07-15 Fraunhofer Ges Forschung Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear cimbination parameter
AU2011237882B2 (en) 2010-04-09 2014-07-24 Dolby International Ab MDCT-based complex prediction stereo coding
EP2464146A1 (en) 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decomposing an input signal using a pre-calculated reference curve
EP3035330B1 (en) 2011-02-02 2019-11-20 Telefonaktiebolaget LM Ericsson (publ) Determining the inter-channel time difference of a multi-channel audio signal
US9299355B2 (en) 2011-08-04 2016-03-29 Dolby International Ab FM stereo radio receiver by using parametric stereo
KR101621287B1 (ko) 2012-04-05 2016-05-16 후아웨이 테크놀러지 컴퍼니 리미티드 다채널 오디오 신호 및 다채널 오디오 인코더를 위한 인코딩 파라미터를 결정하는 방법
ES2560402T3 (es) * 2012-04-05 2016-02-18 Huawei Technologies Co., Ltd Método para la codificación y la decodificación de audio espacial paramétrica, codificador de audio espacial paramétrico y decodificador de audio espacial paramétrico
US9460723B2 (en) * 2012-06-14 2016-10-04 Dolby International Ab Error concealment strategy in a decoding system
US9319790B2 (en) 2012-12-26 2016-04-19 Dts Llc Systems and methods of frequency response correction for consumer electronic devices
CN103533123B (zh) * 2013-09-23 2018-04-06 陕西烽火电子股份有限公司 一种飞机用多接收通道通话静噪方法
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
US9774974B2 (en) 2014-09-24 2017-09-26 Electronics And Telecommunications Research Institute Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion
US20190096410A1 (en) * 2016-03-03 2019-03-28 Nokia Technologies Oy Audio Signal Encoder, Audio Signal Decoder, Method for Encoding and Method for Decoding
BR112018068892A2 (pt) * 2016-03-18 2019-01-22 Fraunhofer Ges Forschung aparelho para reconstrução de fase a partir de um espectrograma de magnitude de um sinal de áudio, sistema, codificador e método para reconstrução de fase a partir de um espectrograma de magnitude de um sinal de áudio
CN107452387B (zh) * 2016-05-31 2019-11-12 华为技术有限公司 一种声道间相位差参数的提取方法及装置
CN107731238B (zh) 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
US5675701A (en) * 1995-04-28 1997-10-07 Lucent Technologies Inc. Speech coding parameter smoothing method
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
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
US6130949A (en) * 1996-09-18 2000-10-10 Nippon Telegraph And Telephone Corporation Method and apparatus for separation of source, program recorded medium therefor, method and apparatus for detection of sound source zone, and program recorded medium therefor
JP3266178B2 (ja) * 1996-12-18 2002-03-18 日本電気株式会社 音声符号化装置
US6307941B1 (en) * 1997-07-15 2001-10-23 Desper Products, Inc. System and method for localization of virtual sound
US6233550B1 (en) * 1997-08-29 2001-05-15 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
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
JP4008607B2 (ja) * 1999-01-22 2007-11-14 株式会社東芝 音声符号化／復号化方法
JP3558031B2 (ja) * 2000-11-06 2004-08-25 日本電気株式会社 音声復号化装置
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US20030220801A1 (en) * 2002-05-22 2003-11-27 Spurrier Thomas E. Audio compression method and apparatus
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
ES2273216T3 (es) * 2003-02-11 2007-05-01 Koninklijke Philips Electronics N.V. Codificacion de audio.
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
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
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
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

Also Published As

Publication number Publication date
AU2005259618B2 (en) 2008-05-22
AU2005259618A1 (en) 2006-01-12
CN1954642B (zh) 2010-05-12
CA2569666C (en) 2013-07-16
RU2007103341A (ru) 2008-08-10
DE602005006495D1 (de) 2008-06-19
KR20070028481A (ko) 2007-03-12
US20060004583A1 (en) 2006-01-05
WO2006002748A1 (en) 2006-01-12
CN1954642A (zh) 2007-04-25
PT1649723E (pt) 2008-07-28
CA2569666A1 (en) 2006-01-12
JP2008504578A (ja) 2008-02-14
BRPI0511362A (pt) 2007-12-04
ES2307188T3 (es) 2008-11-16
EP1649723B1 (en) 2008-05-07
RU2345506C2 (ru) 2009-01-27
MXPA06014968A (es) 2007-02-08
NO338980B1 (no) 2016-11-07
IL178670A (en) 2011-10-31
US8843378B2 (en) 2014-09-23
IL178670A0 (en) 2007-02-11
ATE394901T1 (de) 2008-05-15
NO20070560L (no) 2007-03-30
BRPI0511362B1 (pt) 2018-12-26
JP4712799B2 (ja) 2011-06-29
KR100913987B1 (ko) 2009-08-25
EP1649723A1 (en) 2006-04-26

Similar Documents

Publication Publication Date Title
IL178670A0 (en) Multi-channel synthesizer and method for generating a multi-channel output signal
US10199049B2 (en) Adaptive transition frequency between noise fill and bandwidth extension
JP6173288B2 (ja) マルチモードオーディオコーデックおよびそれに適応されるｃｅｌｐ符号化
KR100954179B1 (ko) 근접-투명 또는 투명 멀티-채널 인코더/디코더 구성
US9728195B2 (en) Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system
US11823691B2 (en) System and method for processing audio data into a plurality of frequency components
MX2009002795A (es) Codificacion y decodificacion de objetos de audio.
CA2603027A1 (en) Device and method for generating a data stream and for generating a multi-channel representation
TWI486950B (zh) 用以針對聯合統一語音與音訊編解碼器處理音訊信號與提供較高時間粒度之裝置與方法
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
MX2007012191A (es) Metodos y aparatos para codificar y descodificar una porcion de banda alta de una senal vocal.
CA2556099A1 (en) Audio coding
TWI553629B (zh) 用以在低位元速率下模型化背景雜訊之舒緩雜訊添加技術
MX2009007412A (es) Decodificador de audio.
EP2088580A3 (en) Audio encoding and decoding
MXPA05008095A (es) Formacion escalonada de modo robusto con multiples retrasos para senales de resolucion multiple.
RU2009133417A (ru) Кодирование аудиосигнала
TW200706013A (en) Dynamic image encoding device, dynamic image decoding device, dynamic image encoding method, dynamic image decoding method, dynamic image encoding program, and dynamic image decoding program
WO2004012136A3 (en) Digital image encoding
JP6181773B2 (ja) Ｃｅｌｐ状コーダのためのサイド情報を用いないノイズ充填
WO2009148858A2 (en) Factorization of overlapping transforms into two block transforms
CN1918631B (zh) 音频编码设备、方法和音频解码设备、方法
CN104380377B (zh) 用于可缩放低复杂度编码/解码的方法和装置
JP2008503766A5 (xx)
KR20100114450A (ko) 가변 비트율을 갖는 잔차 신호 부호화를 이용한 고품질 다객체 오디오 부호화 및 복호화 장치