HK118997A - Transform coder with adaptive window function - Google Patents

Transform coder with adaptive window function

Info

Publication number
HK118997A
HK118997A HK118997A HK118997A HK118997A HK 118997 A HK118997 A HK 118997A HK 118997 A HK118997 A HK 118997A HK 118997 A HK118997 A HK 118997A HK 118997 A HK118997 A HK 118997A
Authority
HK
Hong Kong
Prior art keywords
blocks
window functions
overlapping
partial signals
window function
Prior art date
Application number
HK118997A
Other languages
English (en)
Inventor
Ernst Dr-Ing Schroeder
Jens Dipl-Ing Spille
Original Assignee
Thomson Brandt Gmbh
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
Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK118997A publication Critical patent/HK118997A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Developing Agents For Electrophotography (AREA)
HK118997A 1990-06-29 1997-06-26 Transform coder with adaptive window function HK118997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4020656A DE4020656A1 (de) 1990-06-29 1990-06-29 Verfahren zur uebertragung eines signals

Publications (1)

Publication Number Publication Date
HK118997A true HK118997A (en) 1997-09-05

Family

ID=6409284

Family Applications (1)

Application Number Title Priority Date Filing Date
HK118997A HK118997A (en) 1990-06-29 1997-06-26 Transform coder with adaptive window function

Country Status (10)

Country Link
US (1) US5321729A (xx)
EP (1) EP0464534B1 (xx)
JP (1) JP3187077B2 (xx)
KR (1) KR100191835B1 (xx)
AT (1) ATE153486T1 (xx)
CA (1) CA2045970C (xx)
DE (2) DE4020656A1 (xx)
ES (1) ES2102987T3 (xx)
HK (1) HK118997A (xx)
SG (1) SG44927A1 (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1099663C (zh) * 1994-03-11 2003-01-22 皇家菲利浦电子有限公司 准周期信号的传输系统
CA2164025A1 (en) * 1995-01-04 1996-07-05 David Goodwin Shaw Sub-band signal processor
JP3747067B2 (ja) * 1996-02-27 2006-02-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 信号の符号化及び復号化方法及び装置
TW384434B (en) 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
WO1998051126A1 (en) * 1997-05-08 1998-11-12 Sgs-Thomson Microelectronics Asia Pacific (Pte) Ltd. Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functions
JP3806770B2 (ja) * 2000-03-17 2006-08-09 松下電器産業株式会社 窓処理装置および窓処理方法
US6654827B2 (en) 2000-12-29 2003-11-25 Hewlett-Packard Development Company, L.P. Portable computer system with an operating system-independent digital data player
FR2828949A1 (fr) * 2001-08-27 2003-02-28 Serge Glories Systeme d'analyse de signaux a niveaux multiples permettant leur caracterisation par un nombre reduit de parametres
US7895034B2 (en) * 2004-09-17 2011-02-22 Digital Rise Technology Co., Ltd. Audio encoding system
US7630902B2 (en) * 2004-09-17 2009-12-08 Digital Rise Technology Co., Ltd. Apparatus and methods for digital audio coding using codebook application ranges
US7937271B2 (en) 2004-09-17 2011-05-03 Digital Rise Technology Co., Ltd. Audio decoding using variable-length codebook application ranges
US8744862B2 (en) 2006-08-18 2014-06-03 Digital Rise Technology Co., Ltd. Window selection based on transient detection and location to provide variable time resolution in processing frame-based data
BRPI0621733B1 (pt) * 2006-06-05 2019-09-10 Exaudio Ab método adaptável para extrair pelo menos um sinal, e, aparelho para extrair adaptavelmente pelo menos um sinal
US8630848B2 (en) 2008-05-30 2014-01-14 Digital Rise Technology Co., Ltd. Audio signal transient detection

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048443A (en) * 1975-12-12 1977-09-13 Bell Telephone Laboratories, Incorporated Digital speech communication system for minimizing quantizing noise
DE3015234C2 (de) * 1980-04-21 1986-07-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Übertragung eines Signals
US4815135A (en) * 1984-07-10 1989-03-21 Nec Corporation Speech signal processor
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
DE3684047D1 (de) * 1985-07-02 1992-04-09 Matsushita Electric Ind Co Ltd Vorrichtung zur blockkodierung.
US5027376A (en) * 1985-10-30 1991-06-25 Microcom Systems, Inc. Data telecommunications system and method for transmitting compressed data
DE3703143A1 (de) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh Verfahren zur uebertragung eines audiosignals
US4845859A (en) * 1988-01-19 1989-07-11 Evans Norval T Toothbrush holder and dryer system
US4821119A (en) * 1988-05-04 1989-04-11 Bell Communications Research, Inc. Method and apparatus for low bit-rate interframe video coding
ATE111271T1 (de) * 1988-05-26 1994-09-15 Telefunken Fernseh & Rundfunk Verfahren zur übertragung eines audiosignals.
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
DE3902948A1 (de) * 1989-02-01 1990-08-09 Telefunken Fernseh & Rundfunk Verfahren zur uebertragung eines signals
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals
KR930004311B1 (ko) * 1989-04-18 1993-05-22 미쯔비시덴끼 가부시끼가이샤 동화상 부호화 복호화장치
HU214139B (en) * 1989-05-17 1997-12-29 Thomson Consumer Electronics Process for transmitting a signal
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals

Also Published As

Publication number Publication date
ATE153486T1 (de) 1997-06-15
US5321729A (en) 1994-06-14
DE4020656A1 (de) 1992-01-02
KR100191835B1 (ko) 1999-06-15
JPH04233836A (ja) 1992-08-21
CA2045970C (en) 1999-12-07
SG44927A1 (en) 1997-12-19
EP0464534A3 (en) 1993-02-17
CA2045970A1 (en) 1991-12-30
DE59108708D1 (de) 1997-06-26
ES2102987T3 (es) 1997-08-16
JP3187077B2 (ja) 2001-07-11
EP0464534B1 (de) 1997-05-21
EP0464534A2 (de) 1992-01-08

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Legal Events

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PF Patent in force
PE Patent expired

Effective date: 20110621