ATE376239T1 - Mehrkanal-signalcodierung - Google Patents

Mehrkanal-signalcodierung

Info

Publication number
ATE376239T1
ATE376239T1 AT01961541T AT01961541T ATE376239T1 AT E376239 T1 ATE376239 T1 AT E376239T1 AT 01961541 T AT01961541 T AT 01961541T AT 01961541 T AT01961541 T AT 01961541T AT E376239 T1 ATE376239 T1 AT E376239T1
Authority
AT
Austria
Prior art keywords
individual
shared
channel signal
fixed codebook
signal coding
Prior art date
Application number
AT01961541T
Other languages
English (en)
Inventor
Tor Minde
Arne Steinarson
Anders Uvliden
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20281031&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE376239(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE376239T1 publication Critical patent/ATE376239T1/de

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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
  • Analogue/Digital Conversion (AREA)
AT01961541T 2000-09-15 2001-08-29 Mehrkanal-signalcodierung ATE376239T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003284A SE519976C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler

Publications (1)

Publication Number Publication Date
ATE376239T1 true ATE376239T1 (de) 2007-11-15

Family

ID=20281031

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01961541T ATE376239T1 (de) 2000-09-15 2001-08-29 Mehrkanal-signalcodierung

Country Status (10)

Country Link
US (1) US7346110B2 (de)
EP (1) EP1327240B1 (de)
JP (1) JP4812230B2 (de)
CN (1) CN1216365C (de)
AT (1) ATE376239T1 (de)
AU (2) AU8280101A (de)
DE (1) DE60131009T2 (de)
ES (1) ES2291340T3 (de)
SE (1) SE519976C2 (de)
WO (1) WO2002023527A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368761B (en) * 2000-10-30 2003-07-16 Motorola Inc Speech codec and methods for generating a vector codebook and encoding/decoding speech signals
KR100651712B1 (ko) * 2003-07-10 2006-11-30 학교법인연세대학교 광대역 음성 부호화기 및 그 방법과 광대역 음성 복호화기및 그 방법
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
KR20070061843A (ko) * 2004-09-28 2007-06-14 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치 및 스케일러블 부호화 방법
US8024187B2 (en) * 2005-02-10 2011-09-20 Panasonic Corporation Pulse allocating method in voice coding
US8000967B2 (en) * 2005-03-09 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity code excited linear prediction encoding
EP1858006B1 (de) * 2005-03-25 2017-01-25 Panasonic Intellectual Property Corporation of America Toncodierungseinrichtung und toncodierungsverfahren
DE602006015461D1 (de) 2005-05-31 2010-08-26 Panasonic Corp Einrichtung und verfahren zur skalierbaren codierung
KR101398836B1 (ko) * 2007-08-02 2014-05-26 삼성전자주식회사 스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치
EP2396637A1 (de) * 2009-02-13 2011-12-21 Nokia Corp. Umgebungscodierung und decodierung für audioanwendungen
EP2375409A1 (de) * 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer und zugehörige Verfahren zur Verarbeitung von Mehrkanal-Audiosignalen mithilfe einer komplexen Vorhersage
US9978379B2 (en) * 2011-01-05 2018-05-22 Nokia Technologies Oy Multi-channel encoding and/or decoding using non-negative tensor factorization
US9449607B2 (en) * 2012-01-06 2016-09-20 Qualcomm Incorporated Systems and methods for detecting overflow
CN105453173B (zh) 2013-06-21 2019-08-06 弗朗霍夫应用科学研究促进协会 利用改进的脉冲再同步化的似acelp隐藏中的自适应码本的改进隐藏的装置及方法
PL3011554T3 (pl) * 2013-06-21 2019-12-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Szacowanie opóźnienia wysokości tonu
US20150025894A1 (en) * 2013-07-16 2015-01-22 Electronics And Telecommunications Research Institute Method for encoding and decoding of multi channel audio signal, encoder and decoder
US20210027794A1 (en) * 2015-09-25 2021-01-28 Voiceage Corporation Method and system for decoding left and right channels of a stereo sound signal
RU2763374C2 (ru) * 2015-09-25 2021-12-28 Войсэйдж Корпорейшн Способ и система с использованием разности долговременных корреляций между левым и правым каналами для понижающего микширования во временной области стереофонического звукового сигнала в первичный и вторичный каналы
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913758D0 (en) * 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
JP2779886B2 (ja) * 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
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
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
US6081781A (en) * 1996-09-11 2000-06-27 Nippon Telegragh And Telephone Corporation Method and apparatus for speech synthesis and program recorded medium
GB2326572A (en) * 1997-06-19 1998-12-23 Softsound Limited Low bit rate audio coder and decoder
WO1999016036A1 (en) * 1997-09-24 1999-04-01 Eldridge Martin E Position-responsive, hierarchically-selectable information presentation system and control program
US6104992A (en) * 1998-08-24 2000-08-15 Conexant Systems, Inc. Adaptive gain reduction to produce fixed codebook target signal
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
SE519985C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler

Also Published As

Publication number Publication date
JP2004509365A (ja) 2004-03-25
EP1327240B1 (de) 2007-10-17
SE519976C2 (sv) 2003-05-06
WO2002023527A1 (en) 2002-03-21
CN1455917A (zh) 2003-11-12
DE60131009T2 (de) 2008-07-17
SE0003284D0 (sv) 2000-09-15
US7346110B2 (en) 2008-03-18
AU2001282801B2 (en) 2007-06-07
CN1216365C (zh) 2005-08-24
SE0003284L (sv) 2002-03-16
AU8280101A (en) 2002-03-26
DE60131009D1 (de) 2007-11-29
ES2291340T3 (es) 2008-03-01
US20040044524A1 (en) 2004-03-04
EP1327240A1 (de) 2003-07-16
JP4812230B2 (ja) 2011-11-09

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