NO981532D0 - Fremgangsmåte og innretning for koding av lydsignaler - Google Patents
Fremgangsmåte og innretning for koding av lydsignalerInfo
- Publication number
- NO981532D0 NO981532D0 NO981532A NO981532A NO981532D0 NO 981532 D0 NO981532 D0 NO 981532D0 NO 981532 A NO981532 A NO 981532A NO 981532 A NO981532 A NO 981532A NO 981532 D0 NO981532 D0 NO 981532D0
- Authority
- NO
- Norway
- Prior art keywords
- signal
- decoder
- pct
- quality
- coded
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19537338A DE19537338C2 (de) | 1995-10-06 | 1995-10-06 | Verfahren und Vorrichtung zum Codieren von Audiosignalen |
PCT/EP1996/003609 WO1997014229A1 (de) | 1995-10-06 | 1996-08-16 | Verfahren und vorrichtung zur skalierbaren codierung von audiosignalen |
Publications (3)
Publication Number | Publication Date |
---|---|
NO981532D0 true NO981532D0 (no) | 1998-04-03 |
NO981532L NO981532L (no) | 1998-06-04 |
NO315346B1 NO315346B1 (no) | 2003-08-18 |
Family
ID=7774243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19981532A NO315346B1 (no) | 1995-10-06 | 1998-04-03 | Fremgangsmate og innretning for koding av lydsignaler |
Country Status (12)
Country | Link |
---|---|
US (1) | US6115688A (no) |
EP (1) | EP0846375B2 (no) |
JP (1) | JP3190046B2 (no) |
KR (1) | KR100310081B1 (no) |
AT (1) | ATE183864T1 (no) |
AU (1) | AU709369B2 (no) |
CA (1) | CA2234078C (no) |
DE (3) | DE19537338C2 (no) |
NO (1) | NO315346B1 (no) |
RU (1) | RU2158478C2 (no) |
UA (1) | UA48191C2 (no) |
WO (1) | WO1997014229A1 (no) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4170422B2 (ja) * | 1997-08-27 | 2008-10-22 | 松下電器産業株式会社 | 情報配信システム |
DE19742655C2 (de) * | 1997-09-26 | 1999-08-05 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals |
DE19747132C2 (de) * | 1997-10-24 | 2002-11-28 | Fraunhofer Ges Forschung | Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms |
FR2791167B1 (fr) * | 1999-03-17 | 2003-01-10 | Matra Nortel Communications | Procedes de codage, de decodage et de transcodage audio |
US6446037B1 (en) | 1999-08-09 | 2002-09-03 | Dolby Laboratories Licensing Corporation | Scalable coding method for high quality audio |
US6772126B1 (en) * | 1999-09-30 | 2004-08-03 | Motorola, Inc. | Method and apparatus for transferring low bit rate digital voice messages using incremental messages |
EP1199711A1 (en) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Encoding of audio signal using bandwidth expansion |
DE10102154C2 (de) * | 2001-01-18 | 2003-02-13 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkassenfunktion |
DE10102159C2 (de) * | 2001-01-18 | 2002-12-12 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erzeugen bzw. Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkasse, Codierer und skalierbarer Codierer |
DE10102155C2 (de) | 2001-01-18 | 2003-01-09 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms |
US7308325B2 (en) * | 2001-01-29 | 2007-12-11 | Hewlett-Packard Development Company, L.P. | Audio system |
CA2430923C (en) * | 2001-11-14 | 2012-01-03 | Matsushita Electric Industrial Co., Ltd. | Encoding device, decoding device, and system thereof |
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 |
US7240001B2 (en) * | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
DE10200653B4 (de) * | 2002-01-10 | 2004-05-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Skalierbarer Codierer, Verfahren zum Codieren, Decodierer und Verfahren zum Decodieren für einen skalierten Datenstrom |
GB2388502A (en) * | 2002-05-10 | 2003-11-12 | Chris Dunn | Compression of frequency domain audio signals |
JP4157340B2 (ja) * | 2002-08-27 | 2008-10-01 | 松下電器産業株式会社 | 送信装置、受信装置を含む放送システム、受信装置、及びプログラム。 |
US7299190B2 (en) * | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
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 |
US7254533B1 (en) * | 2002-10-17 | 2007-08-07 | Dilithium Networks Pty Ltd. | Method and apparatus for a thin CELP voice codec |
JP4133421B2 (ja) * | 2003-02-20 | 2008-08-13 | 株式会社日立製作所 | コンテンツ配信システムにおけるコンテンツ受信装置およびコンテンツ差分送信装置、ならびに、コンテンツ配信システム |
DE10328777A1 (de) * | 2003-06-25 | 2005-01-27 | Coding Technologies Ab | Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals |
US7460990B2 (en) * | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
DE102004007200B3 (de) * | 2004-02-13 | 2005-08-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
DE102004007191B3 (de) * | 2004-02-13 | 2005-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
DE102004007184B3 (de) * | 2004-02-13 | 2005-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Quantisieren eines Informationssignals |
WO2006030340A2 (en) * | 2004-09-17 | 2006-03-23 | Koninklijke Philips Electronics N.V. | Combined audio coding minimizing perceptual distortion |
US7630882B2 (en) * | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
US7562021B2 (en) * | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
US7539612B2 (en) * | 2005-07-15 | 2009-05-26 | Microsoft Corporation | Coding and decoding scale factor information |
KR100738077B1 (ko) * | 2005-09-28 | 2007-07-12 | 삼성전자주식회사 | 계층적 오디오 부호화 및 복호화 장치와 방법 |
KR100754389B1 (ko) * | 2005-09-29 | 2007-08-31 | 삼성전자주식회사 | 음성 및 오디오 신호 부호화 장치 및 방법 |
US7831434B2 (en) | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
US7835904B2 (en) * | 2006-03-03 | 2010-11-16 | Microsoft Corp. | Perceptual, scalable audio compression |
EP1855271A1 (en) * | 2006-05-12 | 2007-11-14 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for re-encoding signals |
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 |
US20090006081A1 (en) * | 2007-06-27 | 2009-01-01 | Samsung Electronics Co., Ltd. | Method, medium and apparatus for encoding and/or decoding signal |
US7885819B2 (en) | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
US8185815B1 (en) * | 2007-06-29 | 2012-05-22 | Ambrosia Software, Inc. | Live preview |
EP2198426A4 (en) * | 2007-10-15 | 2012-01-18 | Lg Electronics Inc | METHOD AND DEVICE FOR PROCESSING A SIGNAL |
WO2009049895A1 (en) * | 2007-10-17 | 2009-04-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding using downmix |
US8249883B2 (en) | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1007617A3 (nl) * | 1993-10-11 | 1995-08-22 | Philips Electronics Nv | Transmissiesysteem met gebruik van verschillende codeerprincipes. |
-
1995
- 1995-10-06 DE DE19537338A patent/DE19537338C2/de not_active Expired - Lifetime
- 1995-10-06 DE DE19549621A patent/DE19549621B4/de not_active Expired - Lifetime
-
1996
- 1996-08-16 JP JP51298397A patent/JP3190046B2/ja not_active Expired - Lifetime
- 1996-08-16 EP EP96930044A patent/EP0846375B2/de not_active Expired - Lifetime
- 1996-08-16 KR KR1019980702525A patent/KR100310081B1/ko not_active IP Right Cessation
- 1996-08-16 US US09/051,347 patent/US6115688A/en not_active Expired - Lifetime
- 1996-08-16 AT AT96930044T patent/ATE183864T1/de active
- 1996-08-16 DE DE59602898T patent/DE59602898D1/de not_active Expired - Lifetime
- 1996-08-16 RU RU98108083/09A patent/RU2158478C2/ru active
- 1996-08-16 WO PCT/EP1996/003609 patent/WO1997014229A1/de active IP Right Grant
- 1996-08-16 CA CA002234078A patent/CA2234078C/en not_active Expired - Lifetime
- 1996-08-16 AU AU69248/96A patent/AU709369B2/en not_active Expired
- 1996-08-16 UA UA98041711A patent/UA48191C2/uk unknown
-
1998
- 1998-04-03 NO NO19981532A patent/NO315346B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
UA48191C2 (uk) | 2002-08-15 |
NO315346B1 (no) | 2003-08-18 |
RU2158478C2 (ru) | 2000-10-27 |
DE19549621B4 (de) | 2004-07-01 |
DE59602898D1 (de) | 1999-09-30 |
EP0846375A1 (de) | 1998-06-10 |
KR19990064047A (ko) | 1999-07-26 |
AU6924896A (en) | 1997-04-30 |
JP3190046B2 (ja) | 2001-07-16 |
US6115688A (en) | 2000-09-05 |
WO1997014229A1 (de) | 1997-04-17 |
DE19537338C1 (de) | 1997-03-13 |
AU709369B2 (en) | 1999-08-26 |
NO981532L (no) | 1998-06-04 |
CA2234078A1 (en) | 1997-04-17 |
KR100310081B1 (ko) | 2001-12-17 |
ATE183864T1 (de) | 1999-09-15 |
DE19537338C2 (de) | 2003-05-22 |
EP0846375B2 (de) | 2004-08-11 |
JPH11500291A (ja) | 1999-01-06 |
CA2234078C (en) | 2001-10-02 |
EP0846375B1 (de) | 1999-08-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO981532L (no) | FremgangsmÕte og innretning for koding av lydsignaler | |
AU677676B2 (en) | Apparatus and method for coding/decoding subtitles data | |
TW357299B (en) | Audio-visual decoding apparatus and audio-visual encoding apparatus and data transmission system | |
EP0987827A3 (en) | Audio signal encoding method without transmission of bit allocation information | |
DE69606441D1 (de) | Videodatenkodierer und -dekodierer | |
CA2301663A1 (en) | A method and a device for coding audio signals and a method and a device for decoding a bit stream | |
ATE143544T1 (de) | Verfahren zur übertragung und/oder speicherung digitaler signale mehrerer kanäle | |
AU2178399A (en) | Video processing system also compressing coding decision data | |
KR960706719A (ko) | 다른 코드 이론을 이용한 전송 시스템(Transmission system utilizing different coding principles) | |
EP0999538A4 (en) | METHOD AND DEVICE FOR DIGITAL SIGNAL PROCESSING, METHOD AND DEVICE FOR GENERATING CONTROL DATA AND MEDIUM FOR RECORDING PROGRAMS | |
TW262618B (no) | ||
EP0612155A3 (en) | Coding method, coder and decoder for a digital signal and recording medium for coded information. | |
MY137013A (en) | Receiver decoder circuitry, and associated method, for decoding an encoded signal | |
PL376307A1 (en) | Embedded data signaling | |
KR960043830A (ko) | Mpeg과 ac-3겸용 디지탈 오디오신호의 복호화장치 | |
TW377538B (en) | Image encoding device and method of image encoding, image decoding device and method of image encoding, method of quantization control and method of de-quantization control and data recording media | |
JPH07143076A (ja) | 符号化装置、復号化装置および符号化復号化装置 | |
KR960027869A (ko) | 엠펙(mpeg)에 따른 오디오 데이타의 부호/복호화 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |