NO315346B1 - Fremgangsmate og innretning for koding av lydsignaler - Google Patents

Fremgangsmate og innretning for koding av lydsignaler Download PDF

Info

Publication number
NO315346B1
NO315346B1 NO19981532A NO981532A NO315346B1 NO 315346 B1 NO315346 B1 NO 315346B1 NO 19981532 A NO19981532 A NO 19981532A NO 981532 A NO981532 A NO 981532A NO 315346 B1 NO315346 B1 NO 315346B1
Authority
NO
Norway
Prior art keywords
signal
coding
coded
delay
bit rate
Prior art date
Application number
NO19981532A
Other languages
English (en)
Norwegian (no)
Other versions
NO981532L (no
NO981532D0 (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=NO315346(B1) "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 NO981532D0 (no) 1998-04-03
NO981532L NO981532L (no) 1998-06-04
NO315346B1 true 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 (uk)
EP (1) EP0846375B2 (uk)
JP (1) JP3190046B2 (uk)
KR (1) KR100310081B1 (uk)
AT (1) ATE183864T1 (uk)
AU (1) AU709369B2 (uk)
CA (1) CA2234078C (uk)
DE (3) DE19549621B4 (uk)
NO (1) NO315346B1 (uk)
RU (1) RU2158478C2 (uk)
UA (1) UA48191C2 (uk)
WO (1) WO1997014229A1 (uk)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
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
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
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
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
MXPA03005133A (es) * 2001-11-14 2004-04-02 Matsushita Electric Ind Co Ltd Dispositivo de codificacion, dispositivo de decodificacion y sistema de los mismos.
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
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
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。
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
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
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
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007191B3 (de) * 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
CN101124626B (zh) * 2004-09-17 2011-07-06 皇家飞利浦电子股份有限公司 用于最小化感知失真的组合音频编码
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
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
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
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
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
US8185815B1 (en) * 2007-06-29 2012-05-22 Ambrosia Software, Inc. Live preview
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
CN101889306A (zh) 2007-10-15 2010-11-17 Lg电子株式会社 用于处理信号的方法和装置
MX2010004220A (es) 2007-10-17 2010-06-11 Fraunhofer Ges Forschung Codificacion de audio usando mezcla descendente.
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
NO981532L (no) 1998-06-04
EP0846375B2 (de) 2004-08-11
KR19990064047A (ko) 1999-07-26
CA2234078C (en) 2001-10-02
KR100310081B1 (ko) 2001-12-17
DE19537338C1 (de) 1997-03-13
DE19537338C2 (de) 2003-05-22
WO1997014229A1 (de) 1997-04-17
DE19549621B4 (de) 2004-07-01
NO981532D0 (no) 1998-04-03
UA48191C2 (uk) 2002-08-15
DE59602898D1 (de) 1999-09-30
US6115688A (en) 2000-09-05
AU6924896A (en) 1997-04-30
AU709369B2 (en) 1999-08-26
JPH11500291A (ja) 1999-01-06
ATE183864T1 (de) 1999-09-15
JP3190046B2 (ja) 2001-07-16
RU2158478C2 (ru) 2000-10-27
CA2234078A1 (en) 1997-04-17
EP0846375B1 (de) 1999-08-25
EP0846375A1 (de) 1998-06-10

Similar Documents

Publication Publication Date Title
NO315346B1 (no) Fremgangsmate og innretning for koding av lydsignaler
US6341165B1 (en) Coding and decoding of audio signals by using intensity stereo and prediction processes
EP1636791B1 (en) Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal
JP3781495B2 (ja) ディジタル音声伝送システムの快適ノイズを作る方法と装置
US8611547B2 (en) Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder
US8712784B2 (en) Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
JP2001202097A (ja) 符号化二進オーディオ処理方法
Allamanche et al. MPEG-4 low delay audio coding based on the AAC codec
CA2483516A1 (en) Video code conversion transmission and reception apparatus and method for selecting acceptable quality frames from among generated frames of different compression ratios
GB2279214A (en) Method of reducing redundancy in a multi-channel data transmission
KR20070067170A (ko) 패킷 손실 보상
EP1618686A1 (en) Support of a multichannel audio extension
JP2010170142A (ja) ビットレートスケーラブルなオーディオデータストリームを生成する方法および装置
KR20040104647A (ko) 오디오 데이터의 부호 변환 전송 방법과 부호 변환 수신방법 및 장치와 시스템 및 프로그램
JPH0730496A (ja) 音声信号復号化装置
JP2904427B2 (ja) 欠落音声補間装置
JP2935213B2 (ja) 音声情報伝送方式
JPH0432331A (ja) 音声符号化復号化装置
KR20000003717A (ko) 음성 인식/합성을 이용한 음성 통신 방법 및 그 장치
JPH04373333A (ja) 音声通信装置
JP2003092634A (ja) 音声多重化装置
JP2007089208A (ja) トランスコード方法、デジタルビデオデータ送信方法、デジタルビデオデータ受信方法、デジタルビデオデータ記録方法、トランスコード装置、デジタルビデオデータ送信装置、デジタルビデオデータ受信装置、デジタルビデオデータ記録装置およびプログラム

Legal Events

Date Code Title Description
MK1K Patent expired