KR960700571A - 정보 압축 방법 및 장치, 압축 정보 신장 방법 및 장치, 압축 정보 기록/전송 장치, 압축 정보 재생 장치, 압축 정보 수신 장치 및 기록 매체(Method and device for compressing information, method and device for expanding compressed information, deviced for recording/transmitting compressed information, device for receiving compressed information, and recording medium) - Google Patents

정보 압축 방법 및 장치, 압축 정보 신장 방법 및 장치, 압축 정보 기록/전송 장치, 압축 정보 재생 장치, 압축 정보 수신 장치 및 기록 매체(Method and device for compressing information, method and device for expanding compressed information, deviced for recording/transmitting compressed information, device for receiving compressed information, and recording medium)

Info

Publication number
KR960700571A
KR960700571A KR1019950703186A KR19950703186A KR960700571A KR 960700571 A KR960700571 A KR 960700571A KR 1019950703186 A KR1019950703186 A KR 1019950703186A KR 19950703186 A KR19950703186 A KR 19950703186A KR 960700571 A KR960700571 A KR 960700571A
Authority
KR
South Korea
Prior art keywords
compressed information
information
compressing
recording
recording medium
Prior art date
Application number
KR1019950703186A
Other languages
English (en)
Other versions
KR100339325B1 (ko
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 filed Critical
Publication of KR960700571A publication Critical patent/KR960700571A/ko
Application granted granted Critical
Publication of KR100339325B1 publication Critical patent/KR100339325B1/ko

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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1019950703186A 1993-11-29 1994-11-29 신호처리방법,정보압축용장치,압축정보신장장치,압축정보기록/전송장치 KR100339325B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29830493A JP3175446B2 (ja) 1993-11-29 1993-11-29 情報圧縮方法及び装置、圧縮情報伸張方法及び装置、圧縮情報記録／伝送装置、圧縮情報再生装置、圧縮情報受信装置、並びに記録媒体
JP93-298304 1993-11-29
PCT/JP1994/002005 WO1995015032A1 (fr) 1993-11-29 1994-11-29 Procedes et appareils de compression et decompression d'informations, appareils d'enregistrement/emission et de reception d'informations comprimees, et support d'enregistrement

Publications (2)

Publication Number Publication Date
KR960700571A true KR960700571A (ko) 1996-01-20
KR100339325B1 KR100339325B1 (ko) 2002-11-18

Family

ID=17857917

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950703186A KR100339325B1 (ko) 1993-11-29 1994-11-29 신호처리방법,정보압축용장치,압축정보신장장치,압축정보기록/전송장치

Country Status (6)

Country Link
US (1) US5717670A (ko)
EP (1) EP0691751B1 (ko)
JP (1) JP3175446B2 (ko)
KR (1) KR100339325B1 (ko)
ES (1) ES2313718T3 (ko)
WO (1) WO1995015032A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100790362B1 (ko) * 2006-12-08 2008-01-03 한국전자통신연구원 공간지각 단서에 의한 서라운드 음장 시각화 장치 및 그방법

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW295747B (ko) * 1994-06-13 1997-01-11 Sony Co Ltd
JP3152109B2 (ja) * 1995-05-30 2001-04-03 日本ビクター株式会社 オーディオ信号の圧縮伸張方法
EP0924962B1 (en) * 1997-04-10 2012-12-12 Sony Corporation Encoding method and device, decoding method and device, and recording medium
JPH1132399A (ja) * 1997-05-13 1999-02-02 Sony Corp 符号化方法及び装置、並びに記録媒体
US6356211B1 (en) * 1997-05-13 2002-03-12 Sony Corporation Encoding method and apparatus and recording medium
EP0887958B1 (en) * 1997-06-23 2003-01-22 Liechti Ag Method for the compression of recordings of ambient noise, method for the detection of program elements therein, devices and computer program therefor
US6178147B1 (en) * 1997-08-22 2001-01-23 Sony Corporation Recording method, recording apparatus, reproducing method and reproducing apparatus
US6578169B1 (en) * 2000-04-08 2003-06-10 Advantest Corp. Data failure memory compaction for semiconductor test system
JP2002272736A (ja) * 2001-03-21 2002-09-24 Fuji Photo Film Co Ltd 超音波診断装置
JP4625709B2 (ja) * 2005-03-25 2011-02-02 株式会社東芝 ステレオオーディオ信号符号化装置
US8032368B2 (en) 2005-07-11 2011-10-04 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signals using hierarchical block swithcing and linear prediction coding
EP2717262A1 (en) * 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
JP6721977B2 (ja) * 2015-12-15 2020-07-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法
JP6881931B2 (ja) * 2016-09-30 2021-06-02 株式会社モバイルテクノ 信号圧縮装置、信号伸長装置、信号圧縮プログラム、信号伸長プログラム及び通信装置
EP3616197A4 (en) * 2017-04-28 2021-01-27 DTS, Inc. AUDIO ENCODER WINDOW SIZES AND TIME-FREQUENCY TRANSFORMATIONS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2637090B2 (ja) * 1987-01-26 1997-08-06 株式会社日立製作所 音響信号処理回路
JP2844695B2 (ja) * 1989-07-19 1999-01-06 ソニー株式会社 信号符号化装置
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
US5587978A (en) * 1992-04-16 1996-12-24 Mitsubishi Denki Kabushiki Kaisha Record/reproduction apparatus for recording/reproducing multi-channel signals in different areas of a recording medium
JP3230319B2 (ja) * 1992-07-09 2001-11-19 ソニー株式会社 音響再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100790362B1 (ko) * 2006-12-08 2008-01-03 한국전자통신연구원 공간지각 단서에 의한 서라운드 음장 시각화 장치 및 그방법

Also Published As

Publication number Publication date
US5717670A (en) 1998-02-10
JPH07154265A (ja) 1995-06-16
WO1995015032A1 (fr) 1995-06-01
KR100339325B1 (ko) 2002-11-18
JP3175446B2 (ja) 2001-06-11
EP0691751A1 (en) 1996-01-10
ES2313718T3 (es) 2009-03-01
EP0691751B1 (en) 2008-10-01
EP0691751A4 (en) 2005-06-22

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