SE527866C2 - Kanalsignalmaskering i multikanalsaudiosystem - Google Patents
Kanalsignalmaskering i multikanalsaudiosystemInfo
- Publication number
- SE527866C2 SE527866C2 SE0400416A SE0400416A SE527866C2 SE 527866 C2 SE527866 C2 SE 527866C2 SE 0400416 A SE0400416 A SE 0400416A SE 0400416 A SE0400416 A SE 0400416A SE 527866 C2 SE527866 C2 SE 527866C2
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- channel
- signals
- parameters
- parts
- Prior art date
Links
- 230000000873 masking effect Effects 0.000 title claims description 64
- 238000000034 method Methods 0.000 claims description 77
- 238000009795 derivation Methods 0.000 claims description 5
- 230000003595 spectral effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 241001155430 Centrarchus Species 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 25
- 238000010586 diagram Methods 0.000 description 12
- 238000013459 approach Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- GVVPGTZRZFNKDS-JXMROGBWSA-N geranyl diphosphate Chemical compound CC(C)=CCC\C(C)=C\CO[P@](O)(=O)OP(O)(O)=O GVVPGTZRZFNKDS-JXMROGBWSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0400416A SE527866C2 (sv) | 2003-12-19 | 2004-02-20 | Kanalsignalmaskering i multikanalsaudiosystem |
| JP2006518595A JP4723490B2 (ja) | 2003-12-19 | 2004-12-15 | 多チャンネルオーディオシステムにおけるチャンネル信号隠蔽 |
| DE602004007142T DE602004007142T2 (de) | 2003-12-19 | 2004-12-15 | Fehlerverschleierung in mehrkanaligen audiosystemen |
| AT04809050T ATE365364T1 (de) | 2003-12-19 | 2004-12-15 | Fehlerverschleierung in mehrkanaligen audiosystemen |
| PCT/SE2004/001866 WO2005059898A1 (en) | 2003-12-19 | 2004-12-15 | Channel signal concealment in multi-channel audio systems |
| ES04809050T ES2286714T3 (es) | 2003-12-19 | 2004-12-15 | Ocultacion de errores en sistemas multicanales de audio. |
| PT04809050T PT1649452E (pt) | 2003-12-19 | 2004-12-15 | Supressão de erros em sistemas de canais múltiplos |
| EP04809050A EP1649452B1 (de) | 2003-12-19 | 2004-12-15 | Fehlerverschleierung in mehrkanaligen audiosystemen |
| US11/012,717 US7835916B2 (en) | 2003-12-19 | 2004-12-16 | Channel signal concealment in multi-channel audio systems |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0303500A SE0303500D0 (sv) | 2003-12-19 | 2003-12-19 | Frame loss concealment for multi-channel audio signal transmission |
| SE0400416A SE527866C2 (sv) | 2003-12-19 | 2004-02-20 | Kanalsignalmaskering i multikanalsaudiosystem |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0400416D0 SE0400416D0 (sv) | 2004-02-20 |
| SE0400416L SE0400416L (sv) | 2005-06-20 |
| SE527866C2 true SE527866C2 (sv) | 2006-06-27 |
Family
ID=31996353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0400416A SE527866C2 (sv) | 2003-12-19 | 2004-02-20 | Kanalsignalmaskering i multikanalsaudiosystem |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1649452B1 (de) |
| JP (1) | JP4723490B2 (de) |
| AT (1) | ATE365364T1 (de) |
| DE (1) | DE602004007142T2 (de) |
| ES (1) | ES2286714T3 (de) |
| PT (1) | PT1649452E (de) |
| SE (1) | SE527866C2 (de) |
| WO (1) | WO2005059898A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4930320B2 (ja) * | 2006-11-30 | 2012-05-16 | ソニー株式会社 | 再生方法及び装置、プログラム並びに記録媒体 |
| JP5153791B2 (ja) * | 2007-12-28 | 2013-02-27 | パナソニック株式会社 | ステレオ音声復号装置、ステレオ音声符号化装置、および消失フレーム補償方法 |
| US8644526B2 (en) | 2008-06-27 | 2014-02-04 | Panasonic Corporation | Audio signal decoding device and balance adjustment method for audio signal decoding device |
| ATE557387T1 (de) * | 2008-07-30 | 2012-05-15 | France Telecom | Rekonstruktion von mehrkanal-audiodaten |
| JP5468020B2 (ja) * | 2009-01-13 | 2014-04-09 | パナソニック株式会社 | 音響信号復号装置及びバランス調整方法 |
| KR101073409B1 (ko) * | 2009-03-05 | 2011-10-17 | 주식회사 코아로직 | 디코딩 장치 및 디코딩 방법 |
| US8898053B2 (en) | 2009-05-22 | 2014-11-25 | Panasonic Intellectual Property Corporation Of America | Encoding device, decoding device, and methods therein |
| WO2010137300A1 (ja) | 2009-05-26 | 2010-12-02 | パナソニック株式会社 | 復号装置及び復号方法 |
| CN103918030B (zh) * | 2011-09-29 | 2016-08-17 | 杜比国际公司 | Fm立体声无线电信号中的高质量检测 |
| EP2709101B1 (de) | 2012-09-13 | 2015-03-18 | Nxp B.V. | System und Verfahren zur Verarbeitung von digitalem Audio |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3421962B2 (ja) * | 1996-10-14 | 2003-06-30 | 日本電信電話株式会社 | 欠落音響信号合成処理方法 |
| DE19721487A1 (de) * | 1997-05-23 | 1998-11-26 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen |
| JP3567750B2 (ja) * | 1998-08-10 | 2004-09-22 | 株式会社日立製作所 | 圧縮音声再生方法及び圧縮音声再生装置 |
| ATE336780T1 (de) * | 1999-11-23 | 2006-09-15 | Texas Instruments Inc | Verschleierungsverfahren bei verlust von sprachrahmen |
| JP2001296894A (ja) * | 2000-04-12 | 2001-10-26 | Matsushita Electric Ind Co Ltd | 音声処理装置および音声処理方法 |
| DE10034783A1 (de) * | 2000-07-18 | 2002-02-07 | Bosch Gmbh Robert | Verfahren zur Fehlerverschleierung von Übertragungsfehlern in digitalen Audiodaten |
| ES2255678T3 (es) * | 2002-02-18 | 2006-07-01 | Koninklijke Philips Electronics N.V. | Codificacion de audio parametrica. |
| WO2003107591A1 (en) * | 2002-06-14 | 2003-12-24 | Nokia Corporation | Enhanced error concealment for spatial audio |
| US20040083110A1 (en) * | 2002-10-23 | 2004-04-29 | Nokia Corporation | Packet loss recovery based on music signal classification and mixing |
-
2004
- 2004-02-20 SE SE0400416A patent/SE527866C2/sv not_active IP Right Cessation
- 2004-12-15 DE DE602004007142T patent/DE602004007142T2/de active Active
- 2004-12-15 AT AT04809050T patent/ATE365364T1/de not_active IP Right Cessation
- 2004-12-15 WO PCT/SE2004/001866 patent/WO2005059898A1/en active IP Right Grant
- 2004-12-15 EP EP04809050A patent/EP1649452B1/de active Active
- 2004-12-15 ES ES04809050T patent/ES2286714T3/es active Active
- 2004-12-15 JP JP2006518595A patent/JP4723490B2/ja not_active Expired - Fee Related
- 2004-12-15 PT PT04809050T patent/PT1649452E/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE602004007142D1 (de) | 2007-08-02 |
| JP4723490B2 (ja) | 2011-07-13 |
| EP1649452B1 (de) | 2007-06-20 |
| PT1649452E (pt) | 2007-08-08 |
| ES2286714T3 (es) | 2007-12-01 |
| ATE365364T1 (de) | 2007-07-15 |
| JP2007529020A (ja) | 2007-10-18 |
| DE602004007142T2 (de) | 2008-02-14 |
| EP1649452A1 (de) | 2006-04-26 |
| WO2005059898A1 (en) | 2005-06-30 |
| SE0400416L (sv) | 2005-06-20 |
| SE0400416D0 (sv) | 2004-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |