DE69738204D1 - Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen - Google Patents

Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen

Info

Publication number
DE69738204D1
DE69738204D1 DE69738204T DE69738204T DE69738204D1 DE 69738204 D1 DE69738204 D1 DE 69738204D1 DE 69738204 T DE69738204 T DE 69738204T DE 69738204 T DE69738204 T DE 69738204T DE 69738204 D1 DE69738204 D1 DE 69738204D1
Authority
DE
Germany
Prior art keywords
digital signals
synthesis process
sub band
decoding digital
fast synthesis
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69738204T
Other languages
English (en)
Inventor
George Sapna
Haiyun Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics Asia Pacific Pte Ltd
Original Assignee
STMicroelectronics Asia Pacific Pte Ltd
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 STMicroelectronics Asia Pacific Pte Ltd filed Critical STMicroelectronics Asia Pacific Pte Ltd
Application granted granted Critical
Publication of DE69738204D1 publication Critical patent/DE69738204D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69738204T 1997-08-29 1997-08-29 Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen Expired - Lifetime DE69738204D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG1997/000037 WO1999012292A1 (en) 1997-08-29 1997-08-29 Fast synthesis sub-band filtering method for digital signal decoding

Publications (1)

Publication Number Publication Date
DE69738204D1 true DE69738204D1 (de) 2007-11-22

Family

ID=20429566

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738204T Expired - Lifetime DE69738204D1 (de) 1997-08-29 1997-08-29 Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen

Country Status (4)

Country Link
US (1) US8301282B2 (de)
EP (1) EP1016231B1 (de)
DE (1) DE69738204D1 (de)
WO (1) WO1999012292A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI397903B (zh) * 2005-04-13 2013-06-01 Dolby Lab Licensing Corp 編碼音訊之節約音量測量技術
DK2691951T3 (en) 2011-03-28 2016-11-14 Dolby Laboratories Licensing Corp TRANSFORMATION WITH REDUCED COMPLEXITY OF AN Low-Frequency

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
JP2646778B2 (ja) * 1990-01-17 1997-08-27 日本電気株式会社 ディジタル信号処理装置
US5257213A (en) * 1991-02-20 1993-10-26 Samsung Electronics Co., Ltd. Method and circuit for two-dimensional discrete cosine transform
JP2866754B2 (ja) * 1991-03-27 1999-03-08 三菱電機株式会社 演算処理装置
US5642437A (en) * 1992-02-22 1997-06-24 Texas Instruments Incorporated System decoder circuit with temporary bit storage and method of operation
CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
JPH06112909A (ja) * 1992-09-28 1994-04-22 Sony Corp 改良ｄｃｔの信号変換装置
US5508949A (en) * 1993-12-29 1996-04-16 Hewlett-Packard Company Fast subband filtering in digital signal coding
DE69534097T2 (de) 1994-12-21 2006-02-09 Koninklijke Philips Electronics N.V. Booth-Multiplizierer für trigonometrische Funktionen
JPH08190764A (ja) * 1995-01-05 1996-07-23 Sony Corp ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体
US5805484A (en) * 1995-03-10 1998-09-08 Sony Corporation Orthogonal function generating circuit and orthogonal function generating method
US5727119A (en) * 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
KR100488537B1 (ko) * 1996-11-20 2005-09-30 삼성전자주식회사 듀얼모드오디오디코더의재현방법및필터
US5991787A (en) * 1997-12-31 1999-11-23 Intel Corporation Reducing peak spectral error in inverse Fast Fourier Transform using MMX™ technology
WO1999039303A1 (en) * 1998-02-02 1999-08-05 The Trustees Of The University Of Pennsylvania Method and system for computing 8x8 dct/idct and a vlsi implementation

Also Published As

Publication number Publication date
EP1016231B1 (de) 2007-10-10
US8301282B2 (en) 2012-10-30
WO1999012292A1 (en) 1999-03-11
EP1016231A1 (de) 2000-07-05
US20090276227A1 (en) 2009-11-05

Similar Documents

Publication Publication Date Title
DE69732619D1 (de) Verfahren zum Kodieren von digitalen Audiosignalen
DE69518715D1 (de) Empfangsgerät für digitale Signale
DE69635438D1 (de) Mehrband-Abwärtsfrequenzumsetzes für digitale Empfänger
DE69807691D1 (de) Schlammkohlenwasserstoffsynthese mit externer produktfiltrierung
DE69620399D1 (de) Sprachsynthese
DE69637056D1 (de) Umwandlungsschaltung für Niedrigfrequenz-Tonsignale
DE69807062D1 (de) Slurrykohlenwasserstoffsynthese mit abflüsserproduktfiltrierung
DE69818631D1 (de) Verstärkungsanordnung für digitale signale
DE69635766D1 (de) Gemeinsames sendemodul für programmierbares digitales funkgerät
FI972590A0 (fi) Kaksoismoodinen digitaalinen FM-tietoliikennejärjestelmä
KR970707171A (ko) 중합체 합성방법(polymer synthesis)
BR9806025B1 (pt) processo para decodificar sinais digitais codificados representativos de dados audiovisuais.
DE69838740D1 (de) Digitalsignalwiedergabegerät
ID16982A (id) Metode untuk memproduksi perak tereduksi berkualitas tinggi
DE69835990D1 (de) Audio-Codierer/-decodierer hoher Qualität
FI974380A (fi) Menetelmä digitaalisen audiosignaalin siirtämiseksi
DE69531988D1 (de) Entzerrungsverfahren für am verträglichen digital rundfunkempfänger
DE69833251D1 (de) Trägerrückgewinnung in empfängern für digitalen tonrundfunksignale
DE59409276D1 (de) Verfahren zur digitalen Interpolation von Signalen
DE60039279D1 (de) Kompatible Formatierung für die Kodierung von Audiosignalen
DE69837173D1 (de) Enkodierung digitaler Signale
NO951572L (no) Trinnvis hydrokarbonsynteseprosess
DE69932673D1 (de) Digitaler Signalsynthetisierer
BR9505666A (pt) Processo de preparação de sintese eletroquimica de catalisadores
DE69738204D1 (de) Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen

Legal Events

Date Code Title Description
8332 No legal effect for de