ZA921988B - High efficiency digital data encoding and decoding apparatus - Google Patents

High efficiency digital data encoding and decoding apparatus

Info

Publication number
ZA921988B
ZA921988B ZA921988A ZA921988A ZA921988B ZA 921988 B ZA921988 B ZA 921988B ZA 921988 A ZA921988 A ZA 921988A ZA 921988 A ZA921988 A ZA 921988A ZA 921988 B ZA921988 B ZA 921988B
Authority
ZA
South Africa
Prior art keywords
circuit
frames
response
input signal
digital input
Prior art date
Application number
ZA921988A
Other languages
English (en)
Inventor
Kyoya Tsutsui
Tsutsui Kyoya
Osamu Shimoyoshi
Shimoyoshi Osamu
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
Priority claimed from JP03091183A external-priority patent/JP3089690B2/ja
Priority claimed from JP03091185A external-priority patent/JP3089691B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of ZA921988B publication Critical patent/ZA921988B/xx

Links

Classifications

    • 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
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
ZA921988A 1991-03-29 1992-03-18 High efficiency digital data encoding and decoding apparatus ZA921988B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03091183A JP3089690B2 (ja) 1991-03-29 1991-03-29 ディジタルデータの高能率符号化方法
JP03091185A JP3089691B2 (ja) 1991-03-29 1991-03-29 ディジタルデータの高能率符号化方法

Publications (1)

Publication Number Publication Date
ZA921988B true ZA921988B (en) 1993-02-24

Family

ID=26432643

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA921988A ZA921988B (en) 1991-03-29 1992-03-18 High efficiency digital data encoding and decoding apparatus

Country Status (18)

Country Link
US (1) US5414795A (xx)
EP (1) EP0537361B1 (xx)
KR (1) KR100293855B1 (xx)
CN (1) CN1030129C (xx)
AT (1) ATE153165T1 (xx)
AU (2) AU648656B2 (xx)
BR (1) BR9204820A (xx)
CA (1) CA2083713C (xx)
DE (1) DE69219718T2 (xx)
DK (1) DK0537361T3 (xx)
EG (1) EG20351A (xx)
FI (1) FI112979B (xx)
HU (1) HU213963B (xx)
NO (1) NO306007B1 (xx)
PT (1) PT100309B (xx)
TR (1) TR25961A (xx)
WO (1) WO1992017884A1 (xx)
ZA (1) ZA921988B (xx)

Families Citing this family (62)

* 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
DE69227570T2 (de) * 1991-09-30 1999-04-22 Sony Corp Verfahren und Anordnung zur Audiodatenkompression
US5765127A (en) * 1992-03-18 1998-06-09 Sony Corp High efficiency encoding method
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
JP3088580B2 (ja) * 1993-02-19 2000-09-18 松下電器産業株式会社 変換符号化装置のブロックサイズ決定法
JP3188013B2 (ja) 1993-02-19 2001-07-16 松下電器産業株式会社 変換符号化装置のビット配分方法
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
JP3531177B2 (ja) * 1993-03-11 2004-05-24 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
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
US5712955A (en) * 1993-06-30 1998-01-27 Sony Corporation Method and apparatus for encoding digital signal, method and apparatus for decoding digital signal, and recording medium for encoded signals
US5632003A (en) * 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
US5415979A (en) * 1993-07-28 1995-05-16 Konica Corporation Stabilizer composition for processing silver halide photographic light-sensitive material and a method of processing silver halide light-sensitive material using the same
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system
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
JP3318931B2 (ja) * 1993-11-04 2002-08-26 ソニー株式会社 信号符号化装置、信号復号化装置及び信号符号化方法
JP3125543B2 (ja) * 1993-11-29 2001-01-22 ソニー株式会社 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
JPH07205496A (ja) * 1994-01-14 1995-08-08 Oki Electric Ind Co Ltd ページプリンタ及びデータ圧縮方法
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
DE4405659C1 (de) * 1994-02-22 1995-04-06 Fraunhofer Ges Forschung Verfahren zum kaskadierten Codieren und Decodieren von Audiodaten
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
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
JPH09506478A (ja) * 1994-10-06 1997-06-24 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 光放射半導体ダイオード及びこのようなダイオードの製造方法
US5765136A (en) * 1994-10-28 1998-06-09 Nippon Steel Corporation Encoded data decoding apparatus adapted to be used for expanding compressed data and image audio multiplexed data decoding apparatus using the same
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
EP0721257B1 (en) * 1995-01-09 2005-03-30 Daewoo Electronics Corporation Bit allocation for multichannel audio coder based on perceptual entropy
CN1110955C (zh) * 1995-02-13 2003-06-04 大宇电子株式会社 自适应地编码来自多条通道的输入数字音频信号的装置
JP2842276B2 (ja) * 1995-02-24 1998-12-24 日本電気株式会社 広帯域信号符号化装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP2778567B2 (ja) * 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法
JP3189660B2 (ja) 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
KR100223169B1 (ko) * 1996-06-14 1999-10-15 윤종용 펄스부호변조된 디지털 오디오신호의 기록 및 재생을 위한 시스템
US5892746A (en) * 1996-06-15 1999-04-06 Samsung Electronics Co., Ltd. System for recording and/or reproducing a pulse code modulation digital audio signal
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
DE19736669C1 (de) * 1997-08-22 1998-10-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals
US5903872A (en) * 1997-10-17 1999-05-11 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
US6654189B1 (en) * 1998-04-16 2003-11-25 Sony Corporation Digital-signal processing apparatus capable of adjusting the amplitude of a digital signal
US6353584B1 (en) * 1998-05-14 2002-03-05 Sony Corporation Reproducing and recording apparatus, decoding apparatus, recording apparatus, reproducing and recording method, decoding method and recording method
US6353807B1 (en) * 1998-05-15 2002-03-05 Sony Corporation Information coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing medium
GB2349054A (en) * 1999-04-16 2000-10-18 Nds Ltd Digital audio signal encoders
US6868377B1 (en) * 1999-11-23 2005-03-15 Creative Technology Ltd. Multiband phase-vocoder for the modification of audio or speech signals
WO2001046951A2 (de) 1999-12-21 2001-06-28 Robert Bosch Gmbh Abspielgerät und speichermedium für komprimierte audiodaten
CN100362568C (zh) * 2000-04-24 2008-01-16 高通股份有限公司 用于预测量化有声语音的方法和设备
US6963975B1 (en) * 2000-08-11 2005-11-08 Microsoft Corporation System and method for audio fingerprinting
US7035873B2 (en) * 2001-08-20 2006-04-25 Microsoft Corporation System and methods for providing adaptive media property classification
KR101037931B1 (ko) * 2004-05-13 2011-05-30 삼성전자주식회사 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법
US8326606B2 (en) * 2004-10-26 2012-12-04 Panasonic Corporation Sound encoding device and sound encoding method
KR20100079121A (ko) * 2008-12-30 2010-07-08 주식회사 동부하이텍 이미지 인코더 및 이미지 인코딩 방법
US8386266B2 (en) * 2010-07-01 2013-02-26 Polycom, Inc. Full-band scalable audio codec
US8428381B2 (en) * 2010-06-04 2013-04-23 Altek Corporation Image compression method with variable quantization parameter
WO2011156905A2 (en) * 2010-06-17 2011-12-22 Voiceage Corporation Multi-rate algebraic vector quantization with supplemental coding of missing spectrum sub-bands
US8831932B2 (en) 2010-07-01 2014-09-09 Polycom, Inc. Scalable audio in a multi-point environment
EP2879131A1 (en) * 2013-11-27 2015-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and method for informed loudness estimation in object-based audio coding systems
US10699721B2 (en) * 2017-04-25 2020-06-30 Dts, Inc. Encoding and decoding of digital audio signals using difference data

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
CA1292071C (en) * 1985-06-28 1991-11-12 Tomohiko Taniguchi Coding transmission equipment for carrying out coding with adaptive quantization
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US4815068A (en) * 1987-08-07 1989-03-21 Dolby Ray Milton Audio encoder for use with more than one decoder each having different characteristics
JPH01276980A (ja) * 1988-04-28 1989-11-07 Sharp Corp 画像データ直交変換符号化方式
JPH0783315B2 (ja) * 1988-09-26 1995-09-06 富士通株式会社 可変レート音声信号符号化方式
EP0370277A3 (de) * 1988-11-24 1991-09-18 Siemens Aktiengesellschaft Subband-Übertragungssystem
EP0610975B1 (en) * 1989-01-27 1998-09-02 Dolby Laboratories Licensing Corporation Coded signal formatting for encoder and decoder of high-quality audio
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
JPH0366228A (ja) * 1989-08-04 1991-03-20 Matsushita Electric Ind Co Ltd ブロック符号化装置と復号化装置
US4932062A (en) * 1989-05-15 1990-06-05 Dialogic Corporation Method and apparatus for frequency analysis of telephone signals
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
JP2913731B2 (ja) * 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法
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
JP2751564B2 (ja) * 1990-05-25 1998-05-18 ソニー株式会社 ディジタル信号符号化装置

Also Published As

Publication number Publication date
ATE153165T1 (de) 1997-05-15
KR100293855B1 (ko) 2001-09-17
CA2083713C (en) 2003-08-19
HU9203758D0 (en) 1993-04-28
AU5516894A (en) 1994-04-28
FI925401A (fi) 1992-11-27
NO924551L (no) 1993-01-25
CN1030129C (zh) 1995-10-18
NO306007B1 (no) 1999-08-30
AU1448992A (en) 1992-11-02
EP0537361B1 (en) 1997-05-14
AU670655B2 (en) 1996-07-25
HUT63269A (en) 1993-07-28
CN1068689A (zh) 1993-02-03
HU213963B (en) 1997-11-28
DE69219718T2 (de) 1997-10-02
EG20351A (en) 1999-01-31
TR25961A (tr) 1993-11-01
BR9204820A (pt) 1993-07-13
KR930700945A (ko) 1993-03-16
EP0537361A1 (en) 1993-04-21
US5414795A (en) 1995-05-09
NO924551D0 (no) 1992-11-25
PT100309B (pt) 1999-04-30
FI112979B (fi) 2004-02-13
FI925401A0 (fi) 1992-11-27
DE69219718D1 (de) 1997-06-19
PT100309A (pt) 1994-04-29
CA2083713A1 (en) 1992-09-30
WO1992017884A1 (en) 1992-10-15
DK0537361T3 (da) 1997-06-09
AU648656B2 (en) 1994-04-28

Similar Documents

Publication Publication Date Title
EG20351A (en) High efficiency encoding apparatus for digital data
EP0409248B1 (en) Signal encoding method and apparatus
EP2282310B1 (en) Entropy coding by adapting coding between level and run-length/level modes
DE69122306T2 (de) Digitales Teilbandsignalkodiergerät
NO924552L (no) Fremgangsmaate og anordning for koding av digitalt audiosignal
HK1013511A1 (en) Apparatus method and system for compressing a digital input signal in more than one compression mode
RU94046112A (ru) Способ сокращения числа данных при передаче и/или накоплении цифровых сигналов, поступающих из нескольких взаимосвязанных каналов
JPS6337400A (ja) 音声符号化及び復号化方法
DK0832521T3 (da) Fremgangsmåde til kodning af et med en lavere sampling-frekvens digitaliseret audiosignal
Vučić et al. Design of switched quasi-logarithmic quantizer for gaussian source with variable length codes
MY110033A (en) High efficiency digital data encoding and decoding apparatus.
JPH09232964A (ja) ブロック長可変型変換符号化装置および過渡状態検出装置
KR950035107A (ko) 데이타 압축 부호화 방법, 데이타 압축 부호화 장치 및 데이타 기록매체
JPH04129430A (ja) 帯域分割符号化装置
KR960016164A (ko) 오디오 신호의 비트 할당방법
RU92016549A (ru) Кодирующее и декодирующее цифровые данные устройство