DE69122306D1 - Digitales Teilbandsignalkodiergerät - Google Patents

Digitales Teilbandsignalkodiergerät

Info

Publication number
DE69122306D1
DE69122306D1 DE69122306T DE69122306T DE69122306D1 DE 69122306 D1 DE69122306 D1 DE 69122306D1 DE 69122306 T DE69122306 T DE 69122306T DE 69122306 T DE69122306 T DE 69122306T DE 69122306 D1 DE69122306 D1 DE 69122306D1
Authority
DE
Germany
Prior art keywords
band
frequency
coding device
subband signal
signal coding
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
DE69122306T
Other languages
English (en)
Other versions
DE69122306T2 (de
Inventor
Kenzo Akagiri
Kyoya Tsutsui
Yoshihito Fujiwara
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.)
Mobilemedia Ideas LLC
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 DE69122306D1 publication Critical patent/DE69122306D1/de
Application granted granted Critical
Publication of DE69122306T2 publication Critical patent/DE69122306T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M9/00—Parallel/series conversion or vice versa
    • 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
    • H04B1/667—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 a division in frequency subbands
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
DE69122306T 1990-05-25 1991-05-23 Digitales Teilbandsignalkodiergerät Expired - Lifetime DE69122306T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2133980A JP2751564B2 (ja) 1990-05-25 1990-05-25 ディジタル信号符号化装置

Publications (2)

Publication Number Publication Date
DE69122306D1 true DE69122306D1 (de) 1996-10-31
DE69122306T2 DE69122306T2 (de) 1997-03-06

Family

ID=15117577

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122306T Expired - Lifetime DE69122306T2 (de) 1990-05-25 1991-05-23 Digitales Teilbandsignalkodiergerät

Country Status (8)

Country Link
US (1) US5241603A (de)
EP (1) EP0458645B1 (de)
JP (1) JP2751564B2 (de)
KR (1) KR100188381B1 (de)
AT (1) ATE143543T1 (de)
AU (1) AU640780B2 (de)
CA (1) CA2043133A1 (de)
DE (1) DE69122306T2 (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
JPH03139700A (ja) * 1989-10-25 1991-06-13 Sony Corp オーディオ信号再生装置
JP2906646B2 (ja) * 1990-11-09 1999-06-21 松下電器産業株式会社 音声帯域分割符号化装置
ZA921988B (en) * 1991-03-29 1993-02-24 Sony Corp High efficiency digital data encoding and decoding apparatus
GB2257606B (en) * 1991-06-28 1995-01-18 Sony Corp Recording and/or reproducing apparatuses and signal processing methods for compressed data
EP0535889B1 (de) * 1991-09-30 1998-11-11 Sony Corporation Verfahren und Anordnung zur Audiodatenkompression
JP3446216B2 (ja) * 1992-03-06 2003-09-16 ソニー株式会社 音声信号処理方法
JP3104400B2 (ja) * 1992-04-27 2000-10-30 ソニー株式会社 オーディオ信号符号化装置及び方法
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
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
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
AU689506B2 (en) * 1993-11-04 1998-04-02 Sony Corporation Signal encoder, signal decoder, recording medium and signal encoding method
CN1111959C (zh) * 1993-11-09 2003-06-18 索尼公司 量化装置、量化方法、高效率编码装置、高效率编码方法、解码装置和高效率解码装置
JP3404837B2 (ja) * 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
GB2325827B (en) * 1994-03-31 1999-01-27 Ceridian Corp Apparatus and method for including codes in audio signals
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
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 (de) * 1994-06-13 1997-01-11 Sony Co Ltd
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
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
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
IT1271240B (it) * 1994-10-04 1997-05-27 Alcatel Italia Metodo e sistema psicoacustico di codifica del segnale audio
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
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
JP3082625B2 (ja) * 1995-07-15 2000-08-28 日本電気株式会社 音声信号処理回路
US5960390A (en) * 1995-10-05 1999-09-28 Sony Corporation Coding method for using multi channel audio signals
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
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
FR2768586B1 (fr) * 1997-09-12 1999-12-03 Nortel Matra Cellular Estimation previsionnelle du rapport signal a interferences dans un reseau cellulaire de radiocommunications
DE19823235A1 (de) * 1998-05-25 1999-12-02 Abb Research Ltd Verfahren zur Mehrkanalübertragung über ein Medium gegebener Bandbreite
DE19914645A1 (de) * 1999-03-31 2000-10-26 Bosch Gmbh Robert Verfahren und Vorrichtung zur Codierung/Decodierung
KR100547113B1 (ko) * 2003-02-15 2006-01-26 삼성전자주식회사 오디오 데이터 인코딩 장치 및 방법
US8805694B2 (en) * 2009-02-16 2014-08-12 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding
JP5609591B2 (ja) * 2010-11-30 2014-10-22 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及びオーディオ符号化用コンピュータプログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.

Also Published As

Publication number Publication date
KR910021054A (ko) 1991-12-20
ATE143543T1 (de) 1996-10-15
EP0458645B1 (de) 1996-09-25
AU640780B2 (en) 1993-09-02
US5241603A (en) 1993-08-31
JPH0435123A (ja) 1992-02-05
AU7720691A (en) 1991-11-28
JP2751564B2 (ja) 1998-05-18
EP0458645A2 (de) 1991-11-27
CA2043133A1 (en) 1991-11-26
KR100188381B1 (ko) 1999-06-01
EP0458645A3 (en) 1993-03-17
DE69122306T2 (de) 1997-03-06

Similar Documents

Publication Publication Date Title
DE69122306D1 (de) Digitales Teilbandsignalkodiergerät
HUT63269A (en) High-activity coder and decoder for digital data
EP0682337A4 (de) Verfahren und vorrichtung zur kodierung/dekodierung eines signals und aufzeichnungsmedium.
KR930024306A (ko) 데이타 압축 신장 장치
TW279975B (de)
ATE210347T1 (de) Digitaler kodierer mit dynamischer quantisierungsbitverteilung
KR910019351A (ko) 디지탈 신호 부호화 장치
US6604069B1 (en) Signals having quantized values and variable length codes
DE69225100D1 (de) Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren
TW360860B (en) Digital audio signal coding and/or decoding method
KR910007294A (ko) 디지탈신호부호화장치
CA2140779A1 (en) Method, apparatus and recording medium for coding of separated tone and noise characteristics spectral components of an acoustic signal
CA2037780A1 (en) Hybrid perceptual audio coding
KR890013877A (ko) 디지탈 신호의 처리방법 및 장치
KR970031383A (ko) 디지털신호 뮤트방법과 디지털신호 뮤트방법을 이용하는 디지털신호처리장치와 디지털신호 기록장치(method for muting a digital signal and a digital signal recording apparatus and a digital signal processing apparatus employing the digital signal muting method)
KR930005379A (ko) 디지탈 데이타의 고능률 부호화 방법 및 장치
KR960006309A (ko) 오디오 신호 부호화 장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOBILEMEDIA IDEAS LLC, CHEVY CHASE, MD., US