SE519981C2 - Kodning och avkodning av signaler från flera kanaler - Google Patents

Kodning och avkodning av signaler från flera kanaler

Info

Publication number: SE519981C2
Authority: SE; Sweden
Prior art keywords: channels; correlation; channel; codebook; common
Prior art date: 2000-09-15

Application number

SE0003285A

Other languages

English (en)

Swedish (sv)

Other versions

SE0003285D0 (sv

SE0003285L (sv

Inventor

Tor Bjoern Minde

Arne Steinarson

Jonas Svedberg

Tomas Lundberg

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.)

2000-09-15

Filing date

2000-09-15

Publication date

2003-05-06

2000-09-15 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

2000-09-15 Priority to SE0003285A priority Critical patent/SE519981C2/sv

2000-09-15 Publication of SE0003285D0 publication Critical patent/SE0003285D0/xx

2001-09-05 Priority to DE60128711T priority patent/DE60128711T2/de

2001-09-05 Priority to AT01963659T priority patent/ATE363710T1/de

2001-09-05 Priority to PCT/SE2001/001885 priority patent/WO2002023528A1/en

2001-09-05 Priority to JP2002527492A priority patent/JP4485123B2/ja

2001-09-05 Priority to US10/380,423 priority patent/US7283957B2/en

2001-09-05 Priority to AU2001284588A priority patent/AU2001284588A1/en

2001-09-05 Priority to EP01963659A priority patent/EP1320849B1/de

2002-03-16 Publication of SE0003285L publication Critical patent/SE0003285L/xx

2003-05-06 Publication of SE519981C2 publication Critical patent/SE519981C2/sv

Links

238000000034 method Methods 0.000 claims abstract description 28
238000003786 synthesis reaction Methods 0.000 claims abstract description 27
230000003044 adaptive effect Effects 0.000 claims description 27
238000004458 analytical method Methods 0.000 claims description 26
230000015572 biosynthetic process Effects 0.000 claims description 25
230000001934 delay Effects 0.000 claims description 25
238000013139 quantization Methods 0.000 claims description 9
238000001514 detection method Methods 0.000 claims description 2
239000013598 vector Substances 0.000 description 24
230000005284 excitation Effects 0.000 description 17
238000010586 diagram Methods 0.000 description 12
230000000875 corresponding effect Effects 0.000 description 11
230000002787 reinforcement Effects 0.000 description 10
230000003595 spectral effect Effects 0.000 description 9
238000012360 testing method Methods 0.000 description 7
230000006870 function Effects 0.000 description 6
238000012546 transfer Methods 0.000 description 4
230000007774 longterm Effects 0.000 description 3
230000006978 adaptation Effects 0.000 description 2
230000001413 cellular effect Effects 0.000 description 2
230000002596 correlated effect Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
230000003321 amplification Effects 0.000 description 1
238000013459 approach Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000005314 correlation function Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
238000009795 derivation Methods 0.000 description 1
230000008571 general function Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000003199 nucleic acid amplification method Methods 0.000 description 1
238000007781 pre-processing Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000012552 review Methods 0.000 description 1
238000005070 sampling Methods 0.000 description 1
230000001052 transient effect Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1

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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- 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

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)

SE0003285A 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler SE519981C2 (sv)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
SE0003285A SE519981C2 (sv)	2000-09-15	2000-09-15	Kodning och avkodning av signaler från flera kanaler
DE60128711T DE60128711T2 (de)	2000-09-15	2001-09-05	Mehrkanal-signalcodierung und -decodierung
AT01963659T ATE363710T1 (de)	2000-09-15	2001-09-05	Mehrkanal-signalcodierung und -decodierung
PCT/SE2001/001885 WO2002023528A1 (en)	2000-09-15	2001-09-05	Multi-channel signal encoding and decoding
JP2002527492A JP4485123B2 (ja)	2000-09-15	2001-09-05	複数チャネル信号の符号化及び復号化
US10/380,423 US7283957B2 (en)	2000-09-15	2001-09-05	Multi-channel signal encoding and decoding
AU2001284588A AU2001284588A1 (en)	2000-09-15	2001-09-05	Multi-channel signal encoding and decoding
EP01963659A EP1320849B1 (de)	2000-09-15	2001-09-05	Mehrkanal-signalcodierung und -decodierung

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE0003285A SE519981C2 (sv)	2000-09-15	2000-09-15	Kodning och avkodning av signaler från flera kanaler

Publications (3)

Publication Number	Publication Date
SE0003285D0 SE0003285D0 (sv)	2000-09-15
SE0003285L SE0003285L (sv)	2002-03-16
SE519981C2 true SE519981C2 (sv)	2003-05-06

Family

ID=20281032

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE0003285A SE519981C2 (sv)	2000-09-15	2000-09-15	Kodning och avkodning av signaler från flera kanaler

Country Status (8)

Country	Link
US (1)	US7283957B2 (de)
EP (1)	EP1320849B1 (de)
JP (1)	JP4485123B2 (de)
AT (1)	ATE363710T1 (de)
AU (1)	AU2001284588A1 (de)
DE (1)	DE60128711T2 (de)
SE (1)	SE519981C2 (de)
WO (1)	WO2002023528A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11551706B2 (en) *	2018-07-12	2023-01-10	Alibaba Group Holding Limited	Crosstalk data detection method and electronic device
US11741973B2 (en)	2015-03-09	2023-08-29	Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.	Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

Families Citing this family (30)

* 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
SE519976C2 (sv) *	2000-09-15	2003-05-06	Ericsson Telefon Ab L M	Kodning och avkodning av signaler från flera kanaler
US7111102B2 (en) *	2003-10-06	2006-09-19	Cisco Technology, Inc.	Port adapter for high-bandwidth bus
FR2867649A1 (fr) *	2003-12-10	2005-09-16	France Telecom	Procede de codage multiple optimise
DE602005016571D1 (de) *	2004-08-26	2009-10-22	Panasonic Corp	Mehrkanalige signal-dekodierung
EP1801782A4 (de) *	2004-09-28	2008-09-24	Matsushita Electric Industrial Co Ltd	Vorrichtung und verfahren zur skalierbaren codierung
WO2006070757A1 (ja)	2004-12-28	2006-07-06	Matsushita Electric Industrial Co., Ltd.	音声符号化装置および音声符号化方法
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
US9626973B2 (en)	2005-02-23	2017-04-18	Telefonaktiebolaget L M Ericsson (Publ)	Adaptive bit allocation for multi-channel audio encoding
US8000967B2 (en) *	2005-03-09	2011-08-16	Telefonaktiebolaget Lm Ericsson (Publ)	Low-complexity code excited linear prediction encoding
CN101167124B (zh) *	2005-04-28	2011-09-21	松下电器产业株式会社	语音编码装置和语音编码方法
RU2007139784A (ru) *	2005-04-28	2009-05-10	Мацусита Электрик Индастриал Ко., Лтд. (Jp)	Устройство кодирования звука и способ кодирования звука
US9058812B2 (en) *	2005-07-27	2015-06-16	Google Technology Holdings LLC	Method and system for coding an information signal using pitch delay contour adjustment
EP1771021A1 (de) *	2005-09-29	2007-04-04	Telefonaktiebolaget LM Ericsson (publ)	Verfahren und Einrichtung zur Zuweisung von Funkressourcen
KR100667852B1 (ko) *	2006-01-13	2007-01-11	삼성전자주식회사	휴대용 레코더 기기의 잡음 제거 장치 및 그 방법
EP1848243B1 (de) *	2006-04-18	2009-02-18	Harman/Becker Automotive Systems GmbH	System und Verfahren zur Mehrkanal-Echokompensation
EP2458588A3 (de) *	2006-10-10	2012-07-04	Qualcomm Incorporated	Verfahren und Vorrichtung zur kodierung und dekodierung von Audiosignalen
KR101398836B1 (ko) *	2007-08-02	2014-05-26	삼성전자주식회사	스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치
PL2201566T3 (pl)	2007-09-19	2016-04-29	Ericsson Telefon Ab L M	Połączone, wielokanałowe kodowanie/dekodowanie audio
GB2470059A (en) *	2009-05-08	2010-11-10	Nokia Corp	Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter
JP5737077B2 (ja) *	2011-08-30	2015-06-17	富士通株式会社	オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
WO2014046916A1 (en)	2012-09-21	2014-03-27	Dolby Laboratories Licensing Corporation	Layered approach to spatial audio coding
RU2648632C2 (ru) *	2014-01-13	2018-03-26	Нокиа Текнолоджиз Ой	Классификатор многоканального звукового сигнала
EP3067885A1 (de)	2015-03-09	2016-09-14	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Vorrichtung und verfahren zur verschlüsselung oder entschlüsselung eines mehrkanalsignals
EP4235659A3 (de)	2015-09-25	2023-09-06	VoiceAge Corporation	Verfahren und system unter verwendung eines langfristigen korrelationsunterschiedes zwischen linken und rechten kanälen für zeitdomänen-abwärtsmischen eines stereotonsignals in primäre und sekundäre kanäle
US12125492B2 (en)	2015-09-25	2024-10-22	Voiceage Coproration	Method and system for decoding left and right channels of a stereo sound signal
US9978381B2 (en) *	2016-02-12	2018-05-22	Qualcomm Incorporated	Encoding of multiple audio signals
US10475457B2 (en) *	2017-07-03	2019-11-12	Qualcomm Incorporated	Time-domain inter-channel prediction
JP7808095B2 (ja) *	2020-09-09	2026-01-28	ヴォイスエイジ・コーポレーション	音コーデックにおける、非相関ステレオコンテンツの分類、クロストーク検出、およびステレオモード選択のための方法およびデバイス
CN115410584A (zh) *	2021-05-28	2022-11-29	华为技术有限公司	多声道音频信号的编码方法和装置

Family Cites Families (8)

* 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
JP3343962B2 (ja) *	1992-11-11	2002-11-11	ソニー株式会社	高能率符号化方法及び装置
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
US6345246B1 (en) *	1997-02-05	2002-02-05	Nippon Telegraph And Telephone Corporation	Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
TW384434B (en) *	1997-03-31	2000-03-11	Sony Corp	Encoding method, device therefor, decoding method, device therefor and recording medium
DE19829284C2 (de) *	1998-05-15	2000-03-16	Fraunhofer Ges Forschung	Verfahren und Vorrichtung zum Verarbeiten eines zeitlichen Stereosignals und Verfahren und Vorrichtung zum Decodieren eines unter Verwendung einer Prädiktion über der Frequenz codierten Audiobitstroms
SE519552C2 (sv) *	1998-09-30	2003-03-11	Ericsson Telefon Ab L M	Flerkanalig signalkodning och -avkodning
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 SE0003285A patent/SE519981C2/sv unknown
2001
- 2001-09-05 US US10/380,423 patent/US7283957B2/en not_active Expired - Lifetime
- 2001-09-05 EP EP01963659A patent/EP1320849B1/de not_active Expired - Lifetime
- 2001-09-05 AT AT01963659T patent/ATE363710T1/de not_active IP Right Cessation
- 2001-09-05 WO PCT/SE2001/001885 patent/WO2002023528A1/en not_active Ceased
- 2001-09-05 JP JP2002527492A patent/JP4485123B2/ja not_active Expired - Lifetime
- 2001-09-05 DE DE60128711T patent/DE60128711T2/de not_active Expired - Lifetime
- 2001-09-05 AU AU2001284588A patent/AU2001284588A1/en not_active Abandoned

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11741973B2 (en)	2015-03-09	2023-08-29	Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.	Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
US11881225B2 (en)	2015-03-09	2024-01-23	Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.	Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
US11551706B2 (en) *	2018-07-12	2023-01-10	Alibaba Group Holding Limited	Crosstalk data detection method and electronic device

Also Published As

Publication number	Publication date
US20040109471A1 (en)	2004-06-10
SE0003285D0 (sv)	2000-09-15
US7283957B2 (en)	2007-10-16
ATE363710T1 (de)	2007-06-15
EP1320849B1 (de)	2007-05-30
WO2002023528A1 (en)	2002-03-21
EP1320849A1 (de)	2003-06-25
JP2004509366A (ja)	2004-03-25
DE60128711T2 (de)	2008-02-07
SE0003285L (sv)	2002-03-16
JP4485123B2 (ja)	2010-06-16
DE60128711D1 (de)	2007-07-12
AU2001284588A1 (en)	2002-03-26

Publication	Publication Date	Title
SE519981C2 (sv)	2003-05-06	Kodning och avkodning av signaler från flera kanaler
US7263480B2 (en)	2007-08-28	Multi-channel signal encoding and decoding
KR100415356B1 (ko)	2004-01-16	다중 채널 신호 인코딩 및 디코딩 방법 및 장치
AU2001282801B2 (en)	2007-06-07	Multi-channel signal encoding and decoding
AU2007305960B2 (en)	2012-06-28	Pitch lag estimation
CN1120471C (zh)	2003-09-03	语音编码
EP1755109B1 (de)	2012-08-15	Skalierbare kodierungs- und dekodierungsgeräte und verfahren
US20070171931A1 (en)	2007-07-26	Arbitrary average data rates for variable rate coders
AU2001282801A1 (en)	2002-06-13	Multi-channel signal encoding and decoding
EP1818913B1 (de)	2011-08-10	Breitband-codierungseinrichtung, breitband-lsp-prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband-codierungsverfahren
JP2008513823A (ja)	2008-05-01	知覚的歪みを最小化する結合オーディオ符号化
EP1793373A1 (de)	2007-06-06	Audiocodierungsvorrichtung, audiodecodierungsvorrichtung, kommunikationsvorrichtung und audiocodierungsverfahren
KR20070083856A (ko)	2007-08-24	스케일러블 부호화 장치, 스케일러블 복호화 장치 및이러한 방법
US20130346088A1 (en)	2013-12-26	Audio coding method and apparatus
EP1887567B1 (de)	2010-07-14	Einrichtung und verfahren zur skalierbaren codierung
US8655650B2 (en)	2014-02-18	Multiple stream decoder
HK1130360B (en)	2013-04-26	Method, apparatus and system for pitch lag estimation