ES2149798T3 - Aparato y metodo para transformar ortogonalmente una señal de informacion digital con escalada descendente para impedir el desbordamiento del tratamiento. - Google Patents

Aparato y metodo para transformar ortogonalmente una señal de informacion digital con escalada descendente para impedir el desbordamiento del tratamiento.

Info

Publication number
ES2149798T3
ES2149798T3 ES93119024T ES93119024T ES2149798T3 ES 2149798 T3 ES2149798 T3 ES 2149798T3 ES 93119024 T ES93119024 T ES 93119024T ES 93119024 T ES93119024 T ES 93119024T ES 2149798 T3 ES2149798 T3 ES 2149798T3
Authority
ES
Spain
Prior art keywords
digital information
information signal
signal
transforming
processing
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
ES93119024T
Other languages
English (en)
Inventor
Shimoyoshi Osamu
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ES2149798T3 publication Critical patent/ES2149798T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Discrete Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Color Television Systems (AREA)
  • Image Processing (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

UN APARATO TRANSFORMA ORTOGONALMENTE UNA SEÑAL DE INFORMACION DIGITAL Y OFRECE UNA SEÑAL ORTOGONALMENTE-TRANSFORMADA. LA SEÑAL DE INFORMACION DIGITAL REPRESENTA UNA CANTIDAD FISICA EN UN PRIMER CAMPO Y LA SEÑAL ORTOGONALMENTE TRANSFORMADA REPRESENTA LA CANTIDAD FISICA EN UN SEGUNDO CAMPO, ORTOGONAL AL PRIMERO. EL APARATO COMPRENDE UNOS MEDIOS DE TRANSFORMACION ORTOGONAL (103-106) PARA TRANSFORMAR ORTOGONALMENTE LA SEÑAL DE INFORMACION DIGITAL EN BLOQUES, DICHOS MEDIOS INCLUYEN FASES DE PROCESO PLURAL SERIALMENTE-EMPLAZADOS (103105) CADA FASE RECIBE UN BLOQUE SEÑAL DESDE UNA FASE DE PROCESO PRECEDENTE INTERMEDIARIA PARA PROCESAR, LA PRIMERA DE LAS FASES RECIBIENDO CADA BLOQUE DE LA SEÑAL DE INFORMACION DIGITAL COMO UN BLOQUE SEÑAL PARA PROCESO. EL APARATO COMPRENDE UNOS MEDIOS DETERMINANTES (107-109) PARA DETERMINAR UNA SUMA DE BAJA ESCALA PARA EL BLOQUE SEÑAL RECIBIDO POR UNA DE LAS FASES, Y UNOS MEDIOS DE BAJA ESCALA (120-130) PARA ALCANZAR LA ESCALA DEL BLOQUE RECIBIDO POR UNA DE LAS FASES POR LA SUMA DE ESCALA.
ES93119024T 1992-11-25 1993-11-25 Aparato y metodo para transformar ortogonalmente una señal de informacion digital con escalada descendente para impedir el desbordamiento del tratamiento. Expired - Lifetime ES2149798T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31527992A JP3185413B2 (ja) 1992-11-25 1992-11-25 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置

Publications (1)

Publication Number Publication Date
ES2149798T3 true ES2149798T3 (es) 2000-11-16

Family

ID=18063497

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93119024T Expired - Lifetime ES2149798T3 (es) 1992-11-25 1993-11-25 Aparato y metodo para transformar ortogonalmente una señal de informacion digital con escalada descendente para impedir el desbordamiento del tratamiento.

Country Status (6)

Country Link
US (1) US5454011A (es)
EP (1) EP0599315B1 (es)
JP (1) JP3185413B2 (es)
AT (1) ATE196376T1 (es)
DE (1) DE69329414T2 (es)
ES (1) ES2149798T3 (es)

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WO2002035380A1 (en) * 2000-10-23 2002-05-02 International Business Machines Corporation Faster transforms using scaled terms, early aborts, and precision refinements
US6757648B2 (en) * 2001-06-28 2004-06-29 Microsoft Corporation Techniques for quantization of spectral data in transcoding
JP2003280691A (ja) 2002-03-19 2003-10-02 Sanyo Electric Co Ltd 音声処理方法および音声処理装置
US20050232497A1 (en) * 2004-04-15 2005-10-20 Microsoft Corporation High-fidelity transcoding
JP4800645B2 (ja) * 2005-03-18 2011-10-26 カシオ計算機株式会社 音声符号化装置、及び音声符号化方法
KR100754220B1 (ko) * 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
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Also Published As

Publication number Publication date
US5454011A (en) 1995-09-26
JPH06164414A (ja) 1994-06-10
EP0599315A3 (en) 1994-09-21
ATE196376T1 (de) 2000-09-15
EP0599315B1 (en) 2000-09-13
EP0599315A2 (en) 1994-06-01
DE69329414D1 (de) 2000-10-19
DE69329414T2 (de) 2001-01-18
JP3185413B2 (ja) 2001-07-09

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