DE69332057D1 - Digitalsignaldekodierungsvorrichtung - Google Patents

Digitalsignaldekodierungsvorrichtung

Info

Publication number
DE69332057D1
DE69332057D1 DE69332057T DE69332057T DE69332057D1 DE 69332057 D1 DE69332057 D1 DE 69332057D1 DE 69332057 T DE69332057 T DE 69332057T DE 69332057 T DE69332057 T DE 69332057T DE 69332057 D1 DE69332057 D1 DE 69332057D1
Authority
DE
Germany
Prior art keywords
digital signal
decoding apparatus
signal decoding
digital
signal
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
DE69332057T
Other languages
English (en)
Other versions
DE69332057T2 (de
Inventor
Osamu Shimoyoshi
Kenzo Akagiri
Miki Abe
Takahiro Watanabe
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
Publication of DE69332057D1 publication Critical patent/DE69332057D1/de
Application granted granted Critical
Publication of DE69332057T2 publication Critical patent/DE69332057T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
    • H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
DE69332057T 1992-09-11 1993-09-06 Digitalsignaldekodierungsvorrichtung Expired - Lifetime DE69332057T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04243574A JP3127600B2 (ja) 1992-09-11 1992-09-11 ディジタル信号復号化装置及び方法

Publications (2)

Publication Number Publication Date
DE69332057D1 true DE69332057D1 (de) 2002-08-01
DE69332057T2 DE69332057T2 (de) 2003-02-13

Family

ID=17105858

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332057T Expired - Lifetime DE69332057T2 (de) 1992-09-11 1993-09-06 Digitalsignaldekodierungsvorrichtung

Country Status (6)

Country Link
US (1) US5461378A (de)
EP (1) EP0587387B1 (de)
JP (1) JP3127600B2 (de)
KR (1) KR100279096B1 (de)
DE (1) DE69332057T2 (de)
TW (1) TW217478B (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
DE69231369T2 (de) * 1991-09-30 2001-03-29 Sony Corp 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
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
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
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
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
KR100330290B1 (ko) * 1993-11-04 2002-08-27 소니 가부시끼 가이샤 신호부호화장치,신호복호화장치,및신호부호화방법
EP0692881B1 (de) * 1993-11-09 2005-06-15 Sony Corporation Quantisierungsvorrichtung und -verfahren, kodierer und kodierverfahren mit hoher effizienz, dekodierer und aufzeichnungsträger
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
JP3190204B2 (ja) * 1994-04-12 2001-07-23 ユナイテッド・モジュール・コーポレーション Ｍｐｅｇ規格の音声信号デコーダ
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
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
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
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
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
US5654952A (en) * 1994-10-28 1997-08-05 Sony Corporation Digital signal encoding method and apparatus and recording medium
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
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
JP3189660B2 (ja) 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
US6026217A (en) * 1996-06-21 2000-02-15 Digital Equipment Corporation Method and apparatus for eliminating the transpose buffer during a decomposed forward or inverse 2-dimensional discrete cosine transform through operand decomposition storage and retrieval
US6101276A (en) * 1996-06-21 2000-08-08 Compaq Computer Corporation Method and apparatus for performing two pass quality video compression through pipelining and buffer management
JPH1084284A (ja) * 1996-09-06 1998-03-31 Sony Corp 信号再生方法および装置
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
US6014491A (en) * 1997-03-04 2000-01-11 Parsec Sight/Sound, Inc. Method and system for manipulation of audio or video signals
US6721491B1 (en) * 1999-12-22 2004-04-13 Sightsound Technologies, Inc. Method and system for manipulation of audio or video signals
DE69738204D1 (de) * 1997-08-29 2007-11-22 St Microelectronics Asia Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen
KR100342137B1 (ko) * 1999-10-16 2002-06-26 조국환 수세미포와 스폰지결합장치
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
DE602004005846T2 (de) * 2003-04-17 2007-12-20 Koninklijke Philips Electronics N.V. Audiosignalgenerierung
ES2281795T3 (es) * 2003-04-17 2007-10-01 Koninklijke Philips Electronics N.V. Sintesis de señal de audio.
US7676374B2 (en) * 2006-03-28 2010-03-09 Nokia Corporation Low complexity subband-domain filtering in the case of cascaded filter banks
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
WO2011161859A1 (ja) * 2010-06-22 2011-12-29 日本電気株式会社 半導体集積回路及び指数算出方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002841A (en) * 1976-01-21 1977-01-11 Bell Telephone Laboratories, Incorporated Data compression using nearly instantaneous companding in a digital speech interpolation system
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
CH645501GA3 (de) * 1981-07-24 1984-10-15
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
US4535472A (en) * 1982-11-05 1985-08-13 At&T Bell Laboratories Adaptive bit allocator
JPS59223032A (ja) * 1983-06-01 1984-12-14 Sony Corp ディジタル信号伝送装置
US4516241A (en) * 1983-07-11 1985-05-07 At&T Bell Laboratories Bit compression coding with embedded signaling
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
JPH0734291B2 (ja) * 1986-07-28 1995-04-12 株式会社日立製作所 デイジタル信号記録再生システム
US4870685A (en) * 1986-10-26 1989-09-26 Ricoh Company, Ltd. Voice signal coding method
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
US4872132A (en) * 1987-03-13 1989-10-03 Zoran Corporation Method and means for block floating point arithmetic
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US4991213A (en) * 1988-05-26 1991-02-05 Pacific Communication Sciences, Inc. Speech specific adaptive transform coder
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
DE59008047D1 (de) * 1989-03-06 1995-02-02 Bosch Gmbh Robert Verfahren zur Datenreduktion bei digitalen Tonsignalen und zur genäherten Rückgewinnung der digitalen Tonsignale.
US4932062A (en) * 1989-05-15 1990-06-05 Dialogic Corporation Method and apparatus for frequency analysis of telephone signals
EP0405591B1 (de) * 1989-06-30 1997-10-01 Nec Corporation Variable Blocklängenkodierung für unterschiedliche Charakteristiken der Eingangsabtastwerte
JP2844695B2 (ja) * 1989-07-19 1999-01-06 ソニー株式会社 信号符号化装置
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
FR2653280B1 (fr) * 1989-10-13 1992-01-10 France Etat Dispositif d'allocation de bits pour signal audio-numerique transforme, a quantification adaptative sur critere psycho-auditif.
JPH03132228A (ja) * 1989-10-18 1991-06-05 Victor Co Of Japan Ltd 直交変換信号符号化復号化方式
JPH03181232A (ja) * 1989-12-11 1991-08-07 Toshiba Corp 可変レート符号化方式
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
JP3033156B2 (ja) * 1990-08-24 2000-04-17 ソニー株式会社 ディジタル信号符号化装置
US5049992A (en) * 1990-08-27 1991-09-17 Zenith Electronics Corporation HDTV system with receivers operable at different levels of resolution
US5134475A (en) * 1990-12-11 1992-07-28 At&T Bell Laboratories Adaptive leak hdtv encoder
EP0506394A2 (de) * 1991-03-29 1992-09-30 Sony Corporation Einrichtung zur Kodierung von digitalen Signalen
EP0525809B1 (de) * 1991-08-02 2001-12-05 Sony Corporation Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法

Also Published As

Publication number Publication date
KR940008317A (ko) 1994-04-29
TW217478B (en) 1993-12-11
US5461378A (en) 1995-10-24
JPH0697837A (ja) 1994-04-08
EP0587387A2 (de) 1994-03-16
DE69332057T2 (de) 2003-02-13
KR100279096B1 (ko) 2001-02-01
JP3127600B2 (ja) 2001-01-29
EP0587387B1 (de) 2002-06-26
EP0587387A3 (de) 1994-12-28

Similar Documents

Publication Publication Date Title
DE69332057T2 (de) Digitalsignaldekodierungsvorrichtung
DE69120679D1 (de) Signalkodierung
DE69031105T2 (de) Videosignalkodierungsverfahren
DE69325771T2 (de) Bildsignalkodierung
SG63538A1 (en) Digital signal decoding apparatus
DE69424908D1 (de) Signalverarbeitungsapparat
DE69838740D1 (de) Digitalsignalwiedergabegerät
DE69220435D1 (de) Videosignalverarbeitung
DE69316355D1 (de) Videosignalkodierung
NO933648D0 (no) Anordning for digital signalkombinering
DE69332193T2 (de) Digitalsignalverarbeitungseinheit
DE69329401T2 (de) Digitalsignalumwandlungsgerät
FI923980A (fi) Videosignaalin dekooderijärjestelmä
DE69330587D1 (de) Digitalsignalverarbeitungssystem
DE69402844D1 (de) Digitales aufzeichnungssystem
DE69524712T2 (de) Digitalsignalaufzeichnungsgerät
NO180219C (no) Signalbehandlingsapparat
KR960011848A (ko) 디지탈 신호 기록 장치
DE69614762T2 (de) Digitalsignalaufzeichnungsgerät
GB2265510B (en) Digital signal reproducing apparatus
DE69524019T2 (de) Digitales Signalverarbeitungssystem
DE69216257D1 (de) Videosignalkodierer
DE69320083D1 (de) Digitaler Signalprozessor
DE69301727D1 (de) Datensignaldekodierungsvorrichtung
KR950012751U (ko) 디지틀신호 감시장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition