ATE166505T1 - Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignals - Google Patents

Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignals

Info

Publication number
ATE166505T1
ATE166505T1 AT92302617T AT92302617T ATE166505T1 AT E166505 T1 ATE166505 T1 AT E166505T1 AT 92302617 T AT92302617 T AT 92302617T AT 92302617 T AT92302617 T AT 92302617T AT E166505 T1 ATE166505 T1 AT E166505T1
Authority
AT
Austria
Prior art keywords
audio signal
digital audio
orthogonal transformation
transformation coding
block
Prior art date
Application number
AT92302617T
Other languages
German (de)
English (en)
Inventor
Yoshiaki Oikawa
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 ATE166505T1 publication Critical patent/ATE166505T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • 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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
AT92302617T 1991-03-30 1992-03-26 Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignals ATE166505T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03092738A JP3134337B2 (ja) 1991-03-30 1991-03-30 ディジタル信号符号化方法

Publications (1)

Publication Number Publication Date
ATE166505T1 true ATE166505T1 (de) 1998-06-15

Family

ID=14062763

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92302617T ATE166505T1 (de) 1991-03-30 1992-03-26 Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignals

Country Status (6)

Country Link
US (1) US5264846A (enExample)
EP (1) EP0507499B1 (enExample)
JP (1) JP3134337B2 (enExample)
KR (1) KR100279094B1 (enExample)
AT (1) ATE166505T1 (enExample)
DE (1) DE69225524T2 (enExample)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
GB2257606B (en) * 1991-06-28 1995-01-18 Sony Corp Recording and/or reproducing apparatuses and signal processing methods for compressed data
EP0525809B1 (en) * 1991-08-02 2001-12-05 Sony Corporation Digital encoder with dynamic quantization bit allocation
DE69231369T2 (de) * 1991-09-30 2001-03-29 Sony Corp., Tokio/Tokyo Verfahren und Einrichtung zur Audiodatenkompression
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
JP3189401B2 (ja) * 1992-07-29 2001-07-16 ソニー株式会社 音声データ符号化方法及び音声データ符号化装置
JPH06180948A (ja) * 1992-12-11 1994-06-28 Sony Corp ディジタル信号処理装置又は方法、及び記録媒体
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
JP3150475B2 (ja) * 1993-02-19 2001-03-26 松下電器産業株式会社 量子化方法
JP3186307B2 (ja) * 1993-03-09 2001-07-11 ソニー株式会社 圧縮データ記録装置及び方法
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
TW232116B (en) * 1993-04-14 1994-10-11 Sony Corp Method or device and recording media for signal conversion
US5581654A (en) * 1993-05-25 1996-12-03 Sony Corporation Method and apparatus for information encoding and decoding
KR100287494B1 (ko) * 1993-06-30 2001-04-16 이데이 노부유끼 디지탈신호의부호화방법및장치,복호화방법및장치와부호화시킨신호의기록매체
TW272341B (enExample) * 1993-07-16 1996-03-11 Sony Co Ltd
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
US5737720A (en) * 1993-10-26 1998-04-07 Sony Corporation Low bit rate multichannel audio coding methods and apparatus using non-linear adaptive bit allocation
US5805770A (en) * 1993-11-04 1998-09-08 Sony Corporation Signal encoding apparatus, signal decoding apparatus, recording medium, and signal encoding method
KR960003628B1 (ko) * 1993-12-06 1996-03-20 Lg전자주식회사 디지탈신호의 부호화/복호화 방법 및 장치
US5731767A (en) * 1994-02-04 1998-03-24 Sony Corporation Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JP3277682B2 (ja) * 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
TW295747B (enExample) * 1994-06-13 1997-01-11 Sony Co Ltd
JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
JP3277705B2 (ja) 1994-07-27 2002-04-22 ソニー株式会社 情報符号化装置及び方法、並びに情報復号化装置及び方法
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
JP2776277B2 (ja) * 1994-12-08 1998-07-16 日本電気株式会社 音声符号化装置
JP3557674B2 (ja) * 1994-12-15 2004-08-25 ソニー株式会社 高能率符号化方法及び装置
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
US5699479A (en) * 1995-02-06 1997-12-16 Lucent Technologies Inc. Tonality for perceptual audio compression based on loudness uncertainty
JPH08223049A (ja) * 1995-02-14 1996-08-30 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、情報記録媒体並びに情報伝送方法
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US5706392A (en) * 1995-06-01 1998-01-06 Rutgers, The State University Of New Jersey Perceptual speech coder and method
US5960390A (en) * 1995-10-05 1999-09-28 Sony Corporation Coding method for using multi channel audio signals
JP3189660B2 (ja) 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
JP3318825B2 (ja) * 1996-08-20 2002-08-26 ソニー株式会社 デジタル信号符号化処理方法、デジタル信号符号化処理装置、デジタル信号記録方法、デジタル信号記録装置、記録媒体、デジタル信号伝送方法及びデジタル信号伝送装置
JPH1083623A (ja) * 1996-09-10 1998-03-31 Sony Corp 信号記録方法、信号記録装置、記録媒体および信号処理方法
JP3496411B2 (ja) * 1996-10-30 2004-02-09 ソニー株式会社 情報符号化方法及び復号化装置
TW384434B (en) 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
JP3282661B2 (ja) * 1997-05-16 2002-05-20 ソニー株式会社 信号処理装置および方法
US6091773A (en) * 1997-11-12 2000-07-18 Sydorenko; Mark R. Data compression method and apparatus
US6236766B1 (en) * 1998-09-11 2001-05-22 General Electric Company Method and apparatus for zooming digital images
JP2000101439A (ja) 1998-09-24 2000-04-07 Sony Corp 情報処理装置および方法、情報記録装置および方法、記録媒体、並びに提供媒体
US6765930B1 (en) 1998-12-11 2004-07-20 Sony Corporation Decoding apparatus and method, and providing medium
US7099830B1 (en) 2000-03-29 2006-08-29 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6735561B1 (en) * 2000-03-29 2004-05-11 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
AUPR433901A0 (en) * 2001-04-10 2001-05-17 Lake Technology Limited High frequency signal construction method
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
JP3861770B2 (ja) * 2002-08-21 2006-12-20 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
US20050041756A1 (en) * 2003-08-04 2005-02-24 Lowell Rosen Real domain holographic communications apparatus and methods
US10721405B2 (en) 2004-03-25 2020-07-21 Clear Imaging Research, Llc Method and apparatus for implementing a digital graduated filter for an imaging apparatus
US8331723B2 (en) 2004-03-25 2012-12-11 Ozluturk Fatih M Method and apparatus to correct digital image blur due to motion of subject or imaging device
US9826159B2 (en) 2004-03-25 2017-11-21 Clear Imaging Research, Llc Method and apparatus for implementing a digital graduated filter for an imaging apparatus
US20060034531A1 (en) * 2004-05-10 2006-02-16 Seiko Epson Corporation Block noise level evaluation method for compressed images and control method of imaging device utilizing the evaluation method
JP5630957B2 (ja) * 2006-05-19 2014-11-26 日産化学工業株式会社 ハイパーブランチポリマー及びその製造方法
JP6179087B2 (ja) * 2012-10-24 2017-08-16 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化用コンピュータプログラム
JP6492915B2 (ja) * 2015-04-15 2019-04-03 富士通株式会社 符号化装置、符号化方法、及びプログラム
KR101936744B1 (ko) 2015-12-23 2019-01-11 코웨이 주식회사 물배출장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064119B1 (fr) * 1981-04-30 1985-08-28 International Business Machines Corporation Perfectionnement aux procédés de codage de la voix et dispositif de mise en oeuvre du procédé perfectionné
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
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
US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
EP0386418B1 (de) * 1989-03-06 1994-12-21 Robert Bosch Gmbh Verfahren zur Datenreduktion bei digitalen Tonsignalen und zur genäherten Rückgewinnung der digitalen Tonsignale
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
JPH03117919A (ja) * 1989-09-30 1991-05-20 Sony Corp ディジタル信号符号化装置

Also Published As

Publication number Publication date
EP0507499A2 (en) 1992-10-07
EP0507499B1 (en) 1998-05-20
DE69225524D1 (de) 1998-06-25
US5264846A (en) 1993-11-23
KR100279094B1 (ko) 2001-01-15
JP3134337B2 (ja) 2001-02-13
EP0507499A3 (enExample) 1994-05-04
JPH04304031A (ja) 1992-10-27
KR920019109A (ko) 1992-10-22
DE69225524T2 (de) 1998-09-17

Similar Documents

Publication Publication Date Title
ATE166505T1 (de) Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignals
AU7205991A (en) Apparatus for encoding digital data
FI914416A0 (fi) Foerfarande foer fastsaettning av en skyddskaopa pao kretskort och skyddskaopa.
EP0558016A3 (en) Method and apparatus for encoding an image signal using a multi-stage quantizing number determiner
EP0401854A3 (en) An apparatus for orthogonal transform coding
BR9204820A (pt) Aparelho codificador e decodificador de dados digitais de alta eficiencia
CA2023440A1 (en) Transform coding apparatus
DE69837738D1 (de) Dekodierverfahren und -gerät
CA2197820A1 (en) Image Coded Data Re-Encoding Apparatus
MX9202384A (es) Metodo y aparato para detectar la proximidad de un objeto usando efectos casi de campo.
DE69118939D1 (de) Bildverarbeitungsgerät
EP0514012A3 (en) Method and apparatus for the standard conversion of an image signal
AU4287597A (en) Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting
DE3585454D1 (de) Geraet zur verarbeitung eines bildsignals mit bandkompression.
CA2077013A1 (en) Apparatus for processing a video signal
CA2090753A1 (en) Image processing with anti-forgery provision
ATE169790T1 (de) Bildverarbeitungsgerät
DE69837096D1 (de) Informationssignalverarbeitungsverfahren
DE69431067D1 (de) Phasentrennvorrichtung
TW355885B (en) Picture coding device using analog processing method
EP0467504A3 (en) Data processing apparatus having an anti-lockout circuit
EP0493755A3 (en) Digital method and apparatus for measuring the frequency of an if signal
ATE188830T1 (de) Vorrichtung zur kompression von bilddaten mit farbempfindlicher quantisierung
SE9603698L (sv) Metod och anordning för att reducera kvantiseringsbrus
KR960013044A (ko) 웨이브렛 변환 부호화 장치

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification