ATE166505T1 - Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignals - Google Patents
Einrichtung zur orthogonaltransformationskodierung eines digitalen audiosignalsInfo
- 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
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Image Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
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 (de) |
EP (1) | EP0507499B1 (de) |
JP (1) | JP3134337B2 (de) |
KR (1) | KR100279094B1 (de) |
AT (1) | ATE166505T1 (de) |
DE (1) | DE69225524T2 (de) |
Families Citing this family (62)
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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 |
KR100268623B1 (ko) * | 1991-06-28 | 2000-10-16 | 이데이 노부유끼 | 압축 데이타 기록 재생 장치 및 신호 처리 방법 |
EP0805564A3 (de) * | 1991-08-02 | 1999-10-13 | Sony Corporation | Digitaler Kodierer mit dynamischer Quantisierungsbitzuweisung |
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 (de) * | 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 |
EP0692880B1 (de) * | 1993-11-04 | 2001-09-26 | Sony Corporation | Signalkodierer, signaldekodierer, aufzeichnungsträger und signalkodiererverfahren |
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 |
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 |
TW295747B (de) * | 1994-06-13 | 1997-01-11 | Sony Co Ltd | |
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 |
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 |
US6735561B1 (en) * | 2000-03-29 | 2004-05-11 | At&T Corp. | Effective deployment of temporal noise shaping (TNS) filters |
US7099830B1 (en) | 2000-03-29 | 2006-08-29 | 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 |
US20050041752A1 (en) * | 2003-08-04 | 2005-02-24 | Lowell Rosen | Pulse-shaped holographic communications apparatus and methods |
WO2005093654A2 (en) | 2004-03-25 | 2005-10-06 | Fatih Ozluturk | Method and apparatus to correct digital image blur due to motion of subject or imaging device |
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 |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0064119B1 (de) * | 1981-04-30 | 1985-08-28 | International Business Machines Corporation | Sprachkodierungsverfahren und Einrichtung zur Durchführung des Verfahrens |
NL8700985A (nl) * | 1987-04-27 | 1988-11-16 | Philips Nv | Systeem voor sub-band codering van een digitaal audiosignaal. |
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 |
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 |
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 |
-
1991
- 1991-03-30 JP JP03092738A patent/JP3134337B2/ja not_active Expired - Lifetime
-
1992
- 1992-03-25 KR KR1019920004795A patent/KR100279094B1/ko not_active IP Right Cessation
- 1992-03-26 EP EP92302617A patent/EP0507499B1/de not_active Expired - Lifetime
- 1992-03-26 DE DE69225524T patent/DE69225524T2/de not_active Expired - Lifetime
- 1992-03-26 AT AT92302617T patent/ATE166505T1/de active
- 1992-03-27 US US07/859,116 patent/US5264846A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0507499A2 (de) | 1992-10-07 |
EP0507499B1 (de) | 1998-05-20 |
US5264846A (en) | 1993-11-23 |
KR920019109A (ko) | 1992-10-22 |
EP0507499A3 (de) | 1994-05-04 |
DE69225524D1 (de) | 1998-06-25 |
DE69225524T2 (de) | 1998-09-17 |
KR100279094B1 (ko) | 2001-01-15 |
JP3134337B2 (ja) | 2001-02-13 |
JPH04304031A (ja) | 1992-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |