SE9803321L - Flerkanalig signalkodning och -avkodning - Google Patents

Flerkanalig signalkodning och -avkodning

Info

Publication number
SE9803321L
SE9803321L SE9803321A SE9803321A SE9803321L SE 9803321 L SE9803321 L SE 9803321L SE 9803321 A SE9803321 A SE 9803321A SE 9803321 A SE9803321 A SE 9803321A SE 9803321 L SE9803321 L SE 9803321L
Authority
SE
Sweden
Prior art keywords
decoding
synthesis
analysis
signal coding
multichannel signal
Prior art date
Application number
SE9803321A
Other languages
English (en)
Other versions
SE9803321D0 (sv
SE519552C2 (sv
Inventor
Tor Bjoern Minde
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
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9803321A priority Critical patent/SE519552C2/sv
Publication of SE9803321D0 publication Critical patent/SE9803321D0/sv
Priority to KR10-2001-7004041A priority patent/KR100415356B1/ko
Priority to CA002344523A priority patent/CA2344523C/en
Priority to CN998115908A priority patent/CN1132154C/zh
Priority to PCT/SE1999/001610 priority patent/WO2000019413A1/en
Priority to AU11921/00A priority patent/AU756829B2/en
Priority to EP99969816A priority patent/EP1116223B1/en
Priority to DE69940068T priority patent/DE69940068D1/de
Priority to JP2000572833A priority patent/JP4743963B2/ja
Priority to US09/407,599 priority patent/US6393392B1/en
Publication of SE9803321L publication Critical patent/SE9803321L/sv
Publication of SE519552C2 publication Critical patent/SE519552C2/sv

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
    • G10L19/04—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

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SE9803321A 1998-09-30 1998-09-30 Flerkanalig signalkodning och -avkodning SE519552C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9803321A SE519552C2 (sv) 1998-09-30 1998-09-30 Flerkanalig signalkodning och -avkodning
JP2000572833A JP4743963B2 (ja) 1998-09-30 1999-09-15 複数チャネル信号の符号化及び復号化
PCT/SE1999/001610 WO2000019413A1 (en) 1998-09-30 1999-09-15 Multi-channel signal encoding and decoding
CA002344523A CA2344523C (en) 1998-09-30 1999-09-15 Multi-channel signal encoding and decoding
CN998115908A CN1132154C (zh) 1998-09-30 1999-09-15 多信道信号编码和解码
KR10-2001-7004041A KR100415356B1 (ko) 1998-09-30 1999-09-15 다중 채널 신호 인코딩 및 디코딩 방법 및 장치
AU11921/00A AU756829B2 (en) 1998-09-30 1999-09-15 Multi-channel signal encoding and decoding
EP99969816A EP1116223B1 (en) 1998-09-30 1999-09-15 Multi-channel signal encoding and decoding
DE69940068T DE69940068D1 (de) 1998-09-30 1999-09-15 Kodierung und dekodierung mehrkanaliger signale
US09/407,599 US6393392B1 (en) 1998-09-30 1999-09-28 Multi-channel signal encoding and decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9803321A SE519552C2 (sv) 1998-09-30 1998-09-30 Flerkanalig signalkodning och -avkodning

Publications (3)

Publication Number Publication Date
SE9803321D0 SE9803321D0 (sv) 1998-09-30
SE9803321L true SE9803321L (sv) 2000-03-31
SE519552C2 SE519552C2 (sv) 2003-03-11

Family

ID=20412777

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9803321A SE519552C2 (sv) 1998-09-30 1998-09-30 Flerkanalig signalkodning och -avkodning

Country Status (10)

Country Link
US (1) US6393392B1 (sv)
EP (1) EP1116223B1 (sv)
JP (1) JP4743963B2 (sv)
KR (1) KR100415356B1 (sv)
CN (1) CN1132154C (sv)
AU (1) AU756829B2 (sv)
CA (1) CA2344523C (sv)
DE (1) DE69940068D1 (sv)
SE (1) SE519552C2 (sv)
WO (1) WO2000019413A1 (sv)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519985C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
DE60233283D1 (de) * 2001-02-27 2009-09-24 Texas Instruments Inc Verschleierungsverfahren bei Verlust von Sprachrahmen und Dekoder dafer
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
JP4676140B2 (ja) 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
JP2005202248A (ja) * 2004-01-16 2005-07-28 Fujitsu Ltd オーディオ符号化装置およびオーディオ符号化装置のフレーム領域割り当て回路
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
EP1564650A1 (en) * 2004-02-17 2005-08-17 Deutsche Thomson-Brandt Gmbh Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal
DE602005022235D1 (de) * 2004-05-19 2010-08-19 Panasonic Corp Audiosignalkodierer und Audiosignaldekodierer
WO2006000952A1 (en) * 2004-06-21 2006-01-05 Koninklijke Philips Electronics N.V. Method and apparatus to encode and decode multi-channel audio signals
US7475011B2 (en) * 2004-08-25 2009-01-06 Microsoft Corporation Greedy algorithm for identifying values for vocal tract resonance vectors
JP4555299B2 (ja) * 2004-09-28 2010-09-29 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
BRPI0516739A (pt) * 2004-09-30 2008-09-23 Matsushita Electric Ind Co Ltd dispositivo de codificação escalável, dispositivo de decodificação escalável, e método dos mesmos
TW200705386A (en) * 2005-01-11 2007-02-01 Agency Science Tech & Res Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements
US8024187B2 (en) * 2005-02-10 2011-09-20 Panasonic Corporation Pulse allocating method in voice coding
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
CN101124740B (zh) * 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送系统
US8000967B2 (en) * 2005-03-09 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity code excited linear prediction encoding
EP1876586B1 (en) * 2005-04-28 2010-01-06 Panasonic Corporation Audio encoding device and audio encoding method
EP1876585B1 (en) * 2005-04-28 2010-06-16 Panasonic Corporation Audio encoding device and audio encoding method
US7562021B2 (en) 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
FR2901433A1 (fr) * 2006-05-19 2007-11-23 France Telecom Conversion entre representations en domaines de sous-bandes pour des bancs de filtres variant dans le temps
US7797155B2 (en) * 2006-07-26 2010-09-14 Ittiam Systems (P) Ltd. System and method for measurement of perceivable quantization noise in perceptual audio coders
JP5355387B2 (ja) 2007-03-30 2013-11-27 パナソニック株式会社 符号化装置および符号化方法
JPWO2008132826A1 (ja) * 2007-04-20 2010-07-22 パナソニック株式会社 ステレオ音声符号化装置およびステレオ音声符号化方法
US20100121632A1 (en) * 2007-04-25 2010-05-13 Panasonic Corporation Stereo audio encoding device, stereo audio decoding device, and their method
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
CN101842832B (zh) * 2007-10-31 2012-11-07 松下电器产业株式会社 编码装置和解码装置
KR101086304B1 (ko) * 2009-11-30 2011-11-23 한국과학기술연구원 로봇 플랫폼에 의해 발생한 반사파 제거 신호처리 장치 및 방법
WO2011072729A1 (en) * 2009-12-16 2011-06-23 Nokia Corporation Multi-channel audio processing
TWI671734B (zh) 2013-09-12 2019-09-11 瑞典商杜比國際公司 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編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、包含解碼裝置及編碼裝置的音訊系統
EP3353784A4 (en) * 2015-09-25 2019-05-22 VoiceAge Corporation METHOD AND SYSTEM FOR CODING THE LEFT AND RIGHT CHANNELS OF A STEREOTONE SIGNAL WITH SELECTION BETWEEN TWO OR FOUR MODEL MODELS PER BIT HOLIDAY HOUSEHOLD
CN109427338B (zh) * 2017-08-23 2021-03-30 华为技术有限公司 立体声信号的编码方法和编码装置
CN115132214A (zh) * 2018-06-29 2022-09-30 华为技术有限公司 立体声信号的编码、解码方法、编码装置和解码装置
US11545165B2 (en) * 2018-07-03 2023-01-03 Panasonic Intellectual Property Corporation Of America Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1165641B (it) * 1979-03-15 1987-04-22 Cselt Centro Studi Lab Telecom Sintetizzatore numerico multicanale della voce
US4706094A (en) 1985-05-03 1987-11-10 United Technologies Corporation Electro-optic beam scanner
US4636799A (en) 1985-05-03 1987-01-13 United Technologies Corporation Poled domain beam scanner
GB2211965B (en) * 1987-10-31 1992-05-06 Rolls Royce Plc Data processing systems
GB8913758D0 (en) * 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
JP3112462B2 (ja) * 1989-10-17 2000-11-27 株式会社東芝 音声符号化装置
ATE133820T1 (de) * 1990-11-05 1996-02-15 Philips Electronics Nv Digitales übertragungssystem, gerät zur aufnahme und/oder wiedergabe und sender sowie empfänger zur anwendung im übertragungssystem
US5208786A (en) * 1991-08-28 1993-05-04 Massachusetts Institute Of Technology Multi-channel signal separation
WO1993010571A1 (en) 1991-11-14 1993-05-27 United Technologies Corporation Ferroelectric-scanned phased array antenna
JPH0677840A (ja) * 1992-08-28 1994-03-18 Fujitsu Ltd ベクトル量子化装置
DE4320990B4 (de) * 1993-06-05 2004-04-29 Robert Bosch Gmbh Verfahren zur Redundanzreduktion
TW272341B (sv) * 1993-07-16 1996-03-11 Sony Co Ltd
JP3528260B2 (ja) * 1993-10-26 2004-05-17 ソニー株式会社 符号化装置及び方法、並びに復号化装置及び方法
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
JP3435674B2 (ja) * 1994-05-06 2003-08-11 日本電信電話株式会社 信号の符号化方法と復号方法及びそれを使った符号器及び復号器
DE19526366A1 (de) * 1995-07-20 1997-01-23 Bosch Gmbh Robert Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen
US6307962B1 (en) * 1995-09-01 2001-10-23 The University Of Rochester Document data compression system which automatically segments documents and generates compressed smart documents therefrom
US5812971A (en) 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5924062A (en) * 1997-07-01 1999-07-13 Nokia Mobile Phones ACLEP codec with modified autocorrelation matrix storage and search

Also Published As

Publication number Publication date
CN1320258A (zh) 2001-10-31
JP4743963B2 (ja) 2011-08-10
US6393392B1 (en) 2002-05-21
DE69940068D1 (de) 2009-01-22
EP1116223A1 (en) 2001-07-18
AU1192100A (en) 2000-04-17
EP1116223B1 (en) 2008-12-10
WO2000019413A1 (en) 2000-04-06
CA2344523A1 (en) 2000-04-06
KR100415356B1 (ko) 2004-01-16
AU756829B2 (en) 2003-01-23
SE9803321D0 (sv) 1998-09-30
JP2002526798A (ja) 2002-08-20
KR20010099659A (ko) 2001-11-09
SE519552C2 (sv) 2003-03-11
CN1132154C (zh) 2003-12-24
CA2344523C (en) 2009-12-01

Similar Documents

Publication Publication Date Title
SE9803321L (sv) Flerkanalig signalkodning och -avkodning
DE60128711D1 (de) Mehrkanal-signalcodierung und -decodierung
CY1106715T1 (el) Βροχοι δοκιμης για κωδικοποιητες / αποκωδικοποιητες καναλιων
DE69939793D1 (de) Ungleicher Fehlerschutz für wahrnehmungsgebundenen Audiokodierer
IL169443A0 (en) Continuous backup audio
ES2137355T3 (es) Reduccion de ruido.
EP2339756A3 (en) Matrix improvements to lossless encoding and decoding
DE69933461D1 (de) Fehlerverdeckung für hierarchische subband kodierung und dekodierung
ATE358317T1 (de) Mehrkanal-signalcodierung und -decodierung
FR2729245B1 (fr) Procede de codage de parole a prediction lineaire et excitation par codes algebriques
DE59707155D1 (de) Steuervorrichtung für einen optischen sensor
ZA992073B (en) Arithmetic encoding/decoding of a multi-channel information signal.
CA2343191A1 (en) Celp encoding/decoding method and apparatus
DE69510147D1 (de) Perzeptueller Teilbandkodierer
SG43128A1 (en) Code excitation linear predictive (celp) encoder and decoder
MY145282A (en) Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements
DE29617123U1 (de) Codiermodul für eine Cursorsteuereinrichtung
DE69941888D1 (de) Steuervorrichtung für einen linearen Sauerstoffsensor
DE69815416D1 (de) Sensor für Kodierelement
WO1999003097A3 (en) Transmitter with an improved speech encoder and decoder
DE69026843T2 (de) Linearer Prädiktivkodierer mit Code-Anregung für Sprach- oder Audiosignale mit niedriger Verzögerung
TR199701134T1 (xx) 5 kanall� iletimle ve 2 kanall� iletimle uyumlu 7 kanall� iletim.
AU2473399A (en) Sensor assembly for stringed musical instruments
DE69714640D1 (de) Signalquantisierer für die Sprachkodierung
BR9913715B1 (pt) processo de codificaÇço de anÁlise por sÍntese preditiva linear, e, codificador de anÁlise por sÍntese preditivo linear

Legal Events

Date Code Title Description
NUG Patent has lapsed