SE0400417D0 - Fidelety-optimised variable frame length encoding - Google Patents

Fidelety-optimised variable frame length encoding

Info

Publication number
SE0400417D0
SE0400417D0 SE0400417A SE0400417A SE0400417D0 SE 0400417 D0 SE0400417 D0 SE 0400417D0 SE 0400417 A SE0400417 A SE 0400417A SE 0400417 A SE0400417 A SE 0400417A SE 0400417 D0 SE0400417 D0 SE 0400417D0
Authority
SE
Sweden
Prior art keywords
signal
mono
encoding
fidelity
frame length
Prior art date
Application number
SE0400417A
Other languages
English (en)
Other versions
SE527670C2 (sv
SE0400417L (sv
Inventor
Ingemar Johansson
Anisse Taleb
Stefan Bruhn
Daniel Enstroem
Original Assignee
Ericsson Telefon Ab L M
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
Priority claimed from SE0303501A external-priority patent/SE0303501D0/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0400417A priority Critical patent/SE527670C2/sv
Publication of SE0400417D0 publication Critical patent/SE0400417D0/sv
Priority to MXPA05012230A priority patent/MXPA05012230A/es
Priority to EP07109801A priority patent/EP1845519B1/en
Priority to BRPI0410856A priority patent/BRPI0410856B8/pt
Priority to CA2690885A priority patent/CA2690885C/en
Priority to JP2006518596A priority patent/JP4335917B2/ja
Priority to PL04820553T priority patent/PL1623411T3/pl
Priority to CN200710138487XA priority patent/CN101118747B/zh
Priority to AT07109801T priority patent/ATE443317T1/de
Priority to RU2005134365/09A priority patent/RU2305870C2/ru
Priority to AU2004298708A priority patent/AU2004298708B2/en
Priority to DE602004008613T priority patent/DE602004008613T2/de
Priority to EP04820553A priority patent/EP1623411B1/en
Priority to ZA200508980A priority patent/ZA200508980B/xx
Priority to AT04820553T priority patent/ATE371924T1/de
Priority to PCT/SE2004/001867 priority patent/WO2005059899A1/en
Priority to US11/011,765 priority patent/US7809579B2/en
Priority to DE602004023240T priority patent/DE602004023240D1/de
Priority to CNB2004800186630A priority patent/CN100559465C/zh
Priority to BRPI0419281-8A priority patent/BRPI0419281B1/pt
Priority to CA2527971A priority patent/CA2527971C/en
Publication of SE0400417L publication Critical patent/SE0400417L/sv
Publication of SE527670C2 publication Critical patent/SE527670C2/sv
Priority to HK08106066.8A priority patent/HK1115665A1/xx
Priority to HK06112026.7A priority patent/HK1091585A1/xx
Priority to RU2007121143/09A priority patent/RU2425340C2/ru
Priority to JP2007216374A priority patent/JP4589366B2/ja

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Endoscopes (AREA)
SE0400417A 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd SE527670C2 (sv)

Priority Applications (25)

Application Number Priority Date Filing Date Title
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd
BRPI0419281-8A BRPI0419281B1 (pt) 2003-12-19 2004-12-15 Métodos de codificar e de decodificar sinais multicanais, e, aparelhos codificador e decodificador
CA2527971A CA2527971C (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
DE602004008613T DE602004008613T2 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge
AT04820553T ATE371924T1 (de) 2003-12-19 2004-12-15 Treueoptimierte kodierung mit variabler rahmenlänge
BRPI0410856A BRPI0410856B8 (pt) 2003-12-19 2004-12-15 métodos de codificar e de decodificar sinais multicanais, aparelho codificador, e, aparelho decodificador
CA2690885A CA2690885C (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
JP2006518596A JP4335917B2 (ja) 2003-12-19 2004-12-15 忠実度最適化可変フレーム長符号化
PL04820553T PL1623411T3 (pl) 2003-12-19 2004-12-15 Zoptymalizowane pod względem wierności odtwarzania kodowanie ze zmienną długością ramki
CN200710138487XA CN101118747B (zh) 2003-12-19 2004-12-15 保真度优化的预回声抑制编码
AT07109801T ATE443317T1 (de) 2003-12-19 2004-12-15 Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung
RU2005134365/09A RU2305870C2 (ru) 2003-12-19 2004-12-15 Оптимизированное по точности кодирование с переменной длиной кадра
AU2004298708A AU2004298708B2 (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
MXPA05012230A MXPA05012230A (es) 2003-12-19 2004-12-15 Codificacion de longitud de cuadro variable optimizada en fidelidad.
EP04820553A EP1623411B1 (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
ZA200508980A ZA200508980B (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
EP07109801A EP1845519B1 (en) 2003-12-19 2004-12-15 Encoding and decoding of multi-channel audio signals based on a main and side signal representation
PCT/SE2004/001867 WO2005059899A1 (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding
US11/011,765 US7809579B2 (en) 2003-12-19 2004-12-15 Fidelity-optimized variable frame length encoding
DE602004023240T DE602004023240D1 (de) 2003-12-19 2004-12-15 Kodierung und Dekodierung von Mehrkanaltonsignalen basierend auf einer Haupt- und Nebensignal Darstellung
CNB2004800186630A CN100559465C (zh) 2003-12-19 2004-12-15 保真度优化的可变帧长编码
HK06112026.7A HK1091585A1 (en) 2003-12-19 2006-11-01 Fidelity-optimised variable frame length encoding
HK08106066.8A HK1115665A1 (en) 2003-12-19 2006-11-01 Fidelity-optimised pre-echo suppressing encoding
RU2007121143/09A RU2425340C2 (ru) 2003-12-19 2007-06-05 Оптимизированное по точности кодирование с подавлением упреждающего эхо
JP2007216374A JP4589366B2 (ja) 2003-12-19 2007-08-22 忠実度最適化可変フレーム長符号化

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0303501A SE0303501D0 (sv) 2003-12-19 2003-12-19 Filter-based parametric multi-channel coding
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd

Publications (3)

Publication Number Publication Date
SE0400417D0 true SE0400417D0 (sv) 2004-02-20
SE0400417L SE0400417L (sv) 2005-06-20
SE527670C2 SE527670C2 (sv) 2006-05-09

Family

ID=31996354

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd

Country Status (15)

Country Link
EP (2) EP1845519B1 (sv)
JP (2) JP4335917B2 (sv)
CN (2) CN101118747B (sv)
AT (2) ATE443317T1 (sv)
AU (1) AU2004298708B2 (sv)
BR (2) BRPI0419281B1 (sv)
CA (2) CA2690885C (sv)
DE (2) DE602004023240D1 (sv)
HK (2) HK1091585A1 (sv)
MX (1) MXPA05012230A (sv)
PL (1) PL1623411T3 (sv)
RU (2) RU2305870C2 (sv)
SE (1) SE527670C2 (sv)
WO (1) WO2005059899A1 (sv)
ZA (1) ZA200508980B (sv)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100981699B1 (ko) * 2002-07-12 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
US8214220B2 (en) 2005-05-26 2012-07-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
JP4639966B2 (ja) * 2005-05-31 2011-02-23 ヤマハ株式会社 オーディオデータ圧縮方法およびオーディオデータ圧縮回路並びにオーディオデータ伸張回路
JP2009500657A (ja) 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
WO2007004833A2 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
EP1946294A2 (en) 2005-06-30 2008-07-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7411528B2 (en) * 2005-07-11 2008-08-12 Lg Electronics Co., Ltd. Apparatus and method of processing an audio signal
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
KR20080049735A (ko) 2005-08-30 2008-06-04 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7765104B2 (en) 2005-08-30 2010-07-27 Lg Electronics Inc. Slot position coding of residual signals of spatial audio coding application
WO2007040365A1 (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
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
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100857120B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7716043B2 (en) 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
WO2007080211A1 (en) * 2006-01-09 2007-07-19 Nokia Corporation Decoding of binaural audio signals
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
EP1982328A1 (en) 2006-02-06 2008-10-22 Telefonaktiebolaget LM Ericsson (publ) Variable frame offset coding
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
US8576096B2 (en) 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US7889103B2 (en) 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
US8639519B2 (en) 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
BR122020009732B1 (pt) 2008-05-23 2021-01-19 Koninklijke Philips N.V. Método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de downmix mono com base em parâmetros espaciais, meio legível por computador não transitório, aparelho de downmix estéreo paramétrico para a geração de um sinal de downmix mono a partir de um sinal esquerdo e de um sinal direito com base em parâmetros espaciais e método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base em parâmetros espaciais
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
RU2481650C2 (ru) * 2008-09-17 2013-05-10 Франс Телеком Ослабление опережающих эхо-сигналов в цифровом звуковом сигнале
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
US8200496B2 (en) 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8219408B2 (en) 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
WO2011013381A1 (ja) * 2009-07-31 2011-02-03 パナソニック株式会社 符号化装置および復号装置
WO2011048798A1 (ja) * 2009-10-20 2011-04-28 パナソニック株式会社 符号化装置、復号化装置およびこれらの方法
EP2346028A1 (en) * 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal
CN102770913B (zh) * 2009-12-23 2015-10-07 诺基亚公司 稀疏音频
US8442837B2 (en) 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US8428936B2 (en) 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
EP2544465A1 (en) 2011-07-05 2013-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
KR102259112B1 (ko) * 2012-11-15 2021-05-31 가부시키가이샤 엔.티.티.도코모 음성 부호화 장치, 음성 부호화 방법, 음성 부호화 프로그램, 음성 복호 장치, 음성 복호 방법 및 음성 복호 프로그램
KR102636396B1 (ko) 2015-09-25 2024-02-15 보이세지 코포레이션 스테레오 사운드 신호를 1차 및 2차 채널로 시간 영역 다운 믹싱하기 위해 좌측 및 우측 채널들간의 장기 상관 차이를 이용하는 방법 및 시스템
CN107742521B (zh) 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
CN109215668B (zh) 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
CN110728986B (zh) 2018-06-29 2022-10-18 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
CN112233682A (zh) * 2019-06-29 2021-01-15 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
US5694332A (en) * 1994-12-13 1997-12-02 Lsi Logic Corporation MPEG audio decoding system with subframe input buffering
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
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5796842A (en) * 1996-06-07 1998-08-18 That Corporation BTSC encoder
US6463410B1 (en) * 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
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
JP3335605B2 (ja) * 2000-03-13 2002-10-21 日本電信電話株式会社 ステレオ信号符号化方法
ATE320651T1 (de) * 2001-05-08 2006-04-15 Koninkl Philips Electronics Nv Kodieren eines audiosignals
JP2003084790A (ja) * 2001-09-17 2003-03-19 Matsushita Electric Ind Co Ltd 台詞成分強調装置
CN1219415C (zh) * 2002-07-23 2005-09-14 华南理工大学 一种5.1通路环绕声的耳机重发的信号处理方法

Also Published As

Publication number Publication date
JP4589366B2 (ja) 2010-12-01
EP1623411B1 (en) 2007-08-29
CN101118747A (zh) 2008-02-06
WO2005059899A1 (en) 2005-06-30
BRPI0419281B1 (pt) 2018-08-14
SE527670C2 (sv) 2006-05-09
RU2007121143A (ru) 2008-12-10
EP1845519A2 (en) 2007-10-17
CN101118747B (zh) 2011-02-23
DE602004008613T2 (de) 2008-06-12
JP2008026914A (ja) 2008-02-07
EP1623411A1 (en) 2006-02-08
AU2004298708B2 (en) 2008-01-03
JP2007529021A (ja) 2007-10-18
MXPA05012230A (es) 2006-02-10
AU2004298708A1 (en) 2005-06-30
EP1845519A3 (en) 2007-11-07
DE602004023240D1 (de) 2009-10-29
DE602004008613D1 (de) 2007-10-11
CA2690885A1 (en) 2005-06-30
BRPI0410856B1 (pt) 2019-10-01
JP4335917B2 (ja) 2009-09-30
HK1115665A1 (en) 2008-12-05
CA2527971C (en) 2011-03-15
ATE371924T1 (de) 2007-09-15
BRPI0410856B8 (pt) 2019-10-15
RU2005134365A (ru) 2006-05-27
SE0400417L (sv) 2005-06-20
ATE443317T1 (de) 2009-10-15
BRPI0410856A (pt) 2006-07-04
RU2425340C2 (ru) 2011-07-27
PL1623411T3 (pl) 2008-01-31
CA2527971A1 (en) 2005-06-30
CN1816847A (zh) 2006-08-09
EP1845519B1 (en) 2009-09-16
CA2690885C (en) 2014-01-21
RU2305870C2 (ru) 2007-09-10
HK1091585A1 (en) 2007-01-19
CN100559465C (zh) 2009-11-11
ZA200508980B (en) 2007-03-28

Similar Documents

Publication Publication Date Title
SE0400417D0 (sv) Fidelety-optimised variable frame length encoding
CA2197128A1 (en) Enhanced Joint Stereo Coding Method Using Temporal Envelope Shaping
ATE424606T1 (de) Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichen
AU2001294125A1 (en) Apparatus for bandwidth expansion of a speech signal
DE60317203D1 (de) Audio-kodierung
PL1902443T3 (pl) Kodowanie i dekodowanie sygnałów audio
DE60127566D1 (de) Mehrkanal-signalcodierung und -decodierung
DE69521164T2 (de) System zum Kodieren und Dekodieren von Signalen
WO1998018230A3 (en) Audio decoder with an adaptive frequency domain downmixer
DE602005017660D1 (de) Audiokodierungsvorrichtung und audiokodierungsmethode
MXPA05011979A (es) Sistemas y metodos mejorados de codificacion de audio que utilizan el acoplamiento de componente espectral y la regeneracion de componente espectral.
FR2849727B1 (fr) Procede de codage et de decodage audio a debit variable
DK0910928T3 (da) Kodning og dekodning af audiosignaler under anvendelse af intensity-stereo og prædiktion
BR0305555A (pt) Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
DE69734543D1 (de) Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
DK1016319T3 (da) Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal
EP1422944B8 (en) Picture decoding method and apparatus thereof
AU2001242539A1 (en) Speech decoder and a method for decoding speech
SE9300290D0 (sv) Method and apparatus for encoding/decoding of background sounds
FR2791167B1 (fr) Procedes de codage, de decodage et de transcodage audio