DE69325431D1 - Hochleistungskodierungseinrichtung und Einrichtung und Verfahren zur Rauschspektrummodifizierung - Google Patents

Hochleistungskodierungseinrichtung und Einrichtung und Verfahren zur Rauschspektrummodifizierung

Info

Publication number
DE69325431D1
DE69325431D1 DE69325431T DE69325431T DE69325431D1 DE 69325431 D1 DE69325431 D1 DE 69325431D1 DE 69325431 T DE69325431 T DE 69325431T DE 69325431 T DE69325431 T DE 69325431T DE 69325431 D1 DE69325431 D1 DE 69325431D1
Authority
DE
Germany
Prior art keywords
noise spectrum
spectrum modification
performance coding
coding device
performance
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 - Fee Related
Application number
DE69325431T
Other languages
English (en)
Other versions
DE69325431T2 (de
Inventor
Kenzo Akagiri
Makoto Akune
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 DE69325431D1 publication Critical patent/DE69325431D1/de
Application granted granted Critical
Publication of DE69325431T2 publication Critical patent/DE69325431T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/44—Valves specially adapted for the discharge of contents; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action
    • 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)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE69325431T 1992-10-31 1993-10-29 Hochleistungskodierungseinrichtung und Einrichtung und Verfahren zur Rauschspektrummodifizierung Expired - Fee Related DE69325431T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31626692A JP3191457B2 (ja) 1992-10-31 1992-10-31 高能率符号化装置、ノイズスペクトル変更装置及び方法

Publications (2)

Publication Number Publication Date
DE69325431D1 true DE69325431D1 (de) 1999-07-29
DE69325431T2 DE69325431T2 (de) 1999-12-23

Family

ID=18075185

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325431T Expired - Fee Related DE69325431T2 (de) 1992-10-31 1993-10-29 Hochleistungskodierungseinrichtung und Einrichtung und Verfahren zur Rauschspektrummodifizierung

Country Status (5)

Country Link
US (2) US5563913A (de)
EP (2) EP0596663B1 (de)
JP (1) JP3191457B2 (de)
KR (1) KR100194738B1 (de)
DE (1) DE69325431T2 (de)

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US6695477B1 (en) * 1989-10-25 2004-02-24 Sony Corporation Audio signal reproducing apparatus
JP3191457B2 (ja) * 1992-10-31 2001-07-23 ソニー株式会社 高能率符号化装置、ノイズスペクトル変更装置及び方法
JP3277679B2 (ja) * 1994-04-15 2002-04-22 ソニー株式会社 高能率符号化方法と高能率符号化装置及び高能率復号化方法と高能率復号化装置
JP3601074B2 (ja) * 1994-05-31 2004-12-15 ソニー株式会社 信号処理方法及び信号処理装置
JP3334419B2 (ja) * 1995-04-20 2002-10-15 ソニー株式会社 ノイズ低減方法及びノイズ低減装置
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
JPH09305908A (ja) * 1996-05-09 1997-11-28 Pioneer Electron Corp 雑音低減装置
US5737434A (en) * 1996-08-26 1998-04-07 Orban, Inc. Multi-band audio compressor with look-ahead clipper
JP3535957B2 (ja) * 1997-07-29 2004-06-07 パイオニア株式会社 雑音低減装置及び雑音低減方法
JP4373006B2 (ja) * 1998-05-27 2009-11-25 マイクロソフト コーポレーション スケーラブル音声コーダとデコーダ
KR100468829B1 (ko) * 1998-06-16 2005-05-03 삼성전자주식회사 잡음제거방법
US6195633B1 (en) 1998-09-09 2001-02-27 Sony Corporation System and method for efficiently implementing a masking function in a psycho-acoustic modeler
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6658326B2 (en) * 2000-03-08 2003-12-02 Delphi Technologies, Inc. Noise reduction system and method
DE10024375A1 (de) 2000-05-17 2001-12-20 Infineon Technologies Ag Vermeidung eines Störzustandes
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
ES2180409B1 (es) * 2001-02-21 2004-04-16 Juan Sancho Gil Audiometro digital por ordenador aplicando tecnicas de "noise-shaping" en la generacion de señales.
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
KR100648760B1 (ko) 2001-11-29 2006-11-23 코딩 테크놀러지스 에이비 고주파 재생 기술 향상을 위한 방법들 및 그를 수행하는 프로그램이 저장된 컴퓨터 프로그램 기록매체
US7328151B2 (en) * 2002-03-22 2008-02-05 Sound Id Audio decoder with dynamic adjustment of signal modification
JP4296752B2 (ja) * 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
KR100477699B1 (ko) * 2003-01-15 2005-03-18 삼성전자주식회사 양자화 잡음 분포 조절 방법 및 장치
US7076072B2 (en) * 2003-04-09 2006-07-11 Board Of Trustees For The University Of Illinois Systems and methods for interference-suppression with directional sensing patterns
WO2006130221A1 (en) * 2005-04-01 2006-12-07 Qualcomm Incorporated Systems, methods, and apparatus for highband excitation generation
WO2006116025A1 (en) 2005-04-22 2006-11-02 Qualcomm Incorporated Systems, methods, and apparatus for gain factor smoothing
JP4556866B2 (ja) * 2005-12-27 2010-10-06 日本ビクター株式会社 高能率符号化プログラム及び高能率符号化装置
US8026723B2 (en) * 2007-04-30 2011-09-27 Kjt Enterprises, Inc. Multi-component marine electromagnetic signal acquisition method
US7872477B2 (en) * 2007-04-30 2011-01-18 Kjt Enterprises, Inc. Multi-component marine electromagnetic signal acquisition cable and system
US7746077B2 (en) * 2007-04-30 2010-06-29 Kjt Enterprises, Inc. Method for measuring the magnetotelluric response to the earth's subsurface
US7705599B2 (en) * 2007-07-09 2010-04-27 Kjt Enterprises, Inc. Buoy-based marine electromagnetic signal acquisition system
US20090265111A1 (en) * 2008-04-16 2009-10-22 Kjt Enterprises, Inc. Signal processing method for marine electromagnetic signals
WO2015113601A1 (en) * 2014-01-30 2015-08-06 Huawei Technologies Co., Ltd. An audio compression system for compressing an audio signal
GB2624686A (en) * 2022-11-25 2024-05-29 Lenbrook Industries Ltd Improvements to audio coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443769A2 (fr) * 1978-12-08 1980-07-04 Telediffusion Fse Compression et expansion (quantification) de signaux numeriques de television a codage differentiel
JPS55154498A (en) 1979-05-21 1980-12-02 Nippon Atomic Ind Group Co Thermal operation margin monitoring device of bwr type reactor
JPS6316718A (ja) * 1986-07-09 1988-01-23 Nippon Hoso Kyokai <Nhk> 準瞬時圧縮差分符号化方式
US4829299A (en) * 1987-09-25 1989-05-09 Dolby Laboratories Licensing Corporation Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
US5228059A (en) * 1989-11-21 1993-07-13 Nippon Hoso Kyokai Differential code transmission system
JPH0472909A (ja) * 1990-07-13 1992-03-06 Sony Corp オーディオ信号の量子化誤差低減装置
JP3191457B2 (ja) * 1992-10-31 2001-07-23 ソニー株式会社 高能率符号化装置、ノイズスペクトル変更装置及び方法

Also Published As

Publication number Publication date
KR100194738B1 (ko) 1999-06-15
EP0596663B1 (de) 1999-06-23
JPH06152542A (ja) 1994-05-31
US5563913A (en) 1996-10-08
KR940010741A (ko) 1994-05-26
JP3191457B2 (ja) 2001-07-23
EP0677931A2 (de) 1995-10-18
EP0596663A3 (de) 1995-01-18
EP0677931A3 (de) 1996-01-31
EP0596663A2 (de) 1994-05-11
DE69325431T2 (de) 1999-12-23
US5757938A (en) 1998-05-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee