NO981532D0 - Fremgangsmåte og innretning for koding av lydsignaler - Google Patents

Fremgangsmåte og innretning for koding av lydsignaler

Info

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
Application number
NO981532A
Other languages
English (en)
Other versions
NO315346B1 (no
NO981532L (no
Inventor
Bernhard Grill
Karlheinz Brandenburg
Dieter Seitzer
Original Assignee
Fraunhofer Ges Forschung
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=7774243&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO981532(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of NO981532D0 publication Critical patent/NO981532D0/no
Publication of NO981532L publication Critical patent/NO981532L/no
Publication of NO315346B1 publication Critical patent/NO315346B1/no

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)
NO19981532A 1995-10-06 1998-04-03 Fremgangsmate og innretning for koding av lydsignaler NO315346B1 (no)

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)

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* Cited by examiner, † Cited by third party
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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)

* Cited by examiner, † Cited by third party
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.

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

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