SE0003284L - Kodning och avkodning av signaler från flera kanaler - Google Patents
Kodning och avkodning av signaler från flera kanalerInfo
- Publication number
- SE0003284L SE0003284L SE0003284A SE0003284A SE0003284L SE 0003284 L SE0003284 L SE 0003284L SE 0003284 A SE0003284 A SE 0003284A SE 0003284 A SE0003284 A SE 0003284A SE 0003284 L SE0003284 L SE 0003284L
- Authority
- SE
- Sweden
- Prior art keywords
- individual
- shared
- decoding
- coding
- signals
- Prior art date
Links
- 230000005284 excitation Effects 0.000 abstract 2
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)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0003284A SE519976C2 (sv) | 2000-09-15 | 2000-09-15 | Kodning och avkodning av signaler från flera kanaler |
AU8280101A AU8280101A (en) | 2000-09-15 | 2001-08-29 | Multi-channel signal encoding and decoding |
JP2002527491A JP4812230B2 (ja) | 2000-09-15 | 2001-08-29 | 複数チャネル信号の符号化及び復号化 |
PCT/SE2001/001828 WO2002023527A1 (en) | 2000-09-15 | 2001-08-29 | Multi-channel signal encoding and decoding |
EP01961541A EP1327240B1 (en) | 2000-09-15 | 2001-08-29 | Multi-channel signal coding |
ES01961541T ES2291340T3 (es) | 2000-09-15 | 2001-08-29 | Codificacion de señalmulti-canal. |
AT01961541T ATE376239T1 (de) | 2000-09-15 | 2001-08-29 | Mehrkanal-signalcodierung |
US10/380,422 US7346110B2 (en) | 2000-09-15 | 2001-08-29 | Multi-channel signal encoding and decoding |
CN01815496.4A CN1216365C (zh) | 2000-09-15 | 2001-08-29 | 多信道语音信号编码和解码 |
AU2001282801A AU2001282801B2 (en) | 2000-09-15 | 2001-08-29 | Multi-channel signal encoding and decoding |
DE60131009T DE60131009T2 (de) | 2000-09-15 | 2001-08-29 | Mehrkanal-signalcodierung |
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 (3)
Publication Number | Publication Date |
---|---|
SE0003284D0 SE0003284D0 (sv) | 2000-09-15 |
SE0003284L true SE0003284L (sv) | 2002-03-16 |
SE519976C2 SE519976C2 (sv) | 2003-05-06 |
Family
ID=20281031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0003284A SE519976C2 (sv) | 2000-09-15 | 2000-09-15 | Kodning och avkodning av signaler från flera kanaler |
Country Status (10)
Country | Link |
---|---|
US (1) | US7346110B2 (sv) |
EP (1) | EP1327240B1 (sv) |
JP (1) | JP4812230B2 (sv) |
CN (1) | CN1216365C (sv) |
AT (1) | ATE376239T1 (sv) |
AU (2) | AU8280101A (sv) |
DE (1) | DE60131009T2 (sv) |
ES (1) | ES2291340T3 (sv) |
SE (1) | SE519976C2 (sv) |
WO (1) | WO2002023527A1 (sv) |
Families Citing this family (19)
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 (en) * | 2005-03-25 | 2017-01-25 | Panasonic Intellectual Property Corporation of America | Sound encoding device and sound encoding method |
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 (en) * | 2009-02-13 | 2011-12-21 | Nokia Corp. | Ambience coding and decoding for audio applications |
EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
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)
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 |
-
2000
- 2000-09-15 SE SE0003284A patent/SE519976C2/sv not_active IP Right Cessation
-
2001
- 2001-08-29 JP JP2002527491A patent/JP4812230B2/ja not_active Expired - Fee Related
- 2001-08-29 AU AU8280101A patent/AU8280101A/xx active Pending
- 2001-08-29 AU AU2001282801A patent/AU2001282801B2/en not_active Ceased
- 2001-08-29 DE DE60131009T patent/DE60131009T2/de not_active Expired - Lifetime
- 2001-08-29 WO PCT/SE2001/001828 patent/WO2002023527A1/en active IP Right Grant
- 2001-08-29 AT AT01961541T patent/ATE376239T1/de not_active IP Right Cessation
- 2001-08-29 CN CN01815496.4A patent/CN1216365C/zh not_active Expired - Fee Related
- 2001-08-29 ES ES01961541T patent/ES2291340T3/es not_active Expired - Lifetime
- 2001-08-29 US US10/380,422 patent/US7346110B2/en not_active Expired - Fee Related
- 2001-08-29 EP EP01961541A patent/EP1327240B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2004509365A (ja) | 2004-03-25 |
EP1327240B1 (en) | 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 |
AU8280101A (en) | 2002-03-26 |
DE60131009D1 (de) | 2007-11-29 |
ATE376239T1 (de) | 2007-11-15 |
ES2291340T3 (es) | 2008-03-01 |
US20040044524A1 (en) | 2004-03-04 |
EP1327240A1 (en) | 2003-07-16 |
JP4812230B2 (ja) | 2011-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |