DE69434225D1 - Verfahren und Vorrichtung zur Aufzeichnung, Wiedergabe, Übertragung und/oder zum Empfang von komprimierten Daten und geeigneter Aufzeichnungsträger - Google Patents

Verfahren und Vorrichtung zur Aufzeichnung, Wiedergabe, Übertragung und/oder zum Empfang von komprimierten Daten und geeigneter Aufzeichnungsträger

Info

Publication number
DE69434225D1
DE69434225D1 DE69434225T DE69434225T DE69434225D1 DE 69434225 D1 DE69434225 D1 DE 69434225D1 DE 69434225 T DE69434225 T DE 69434225T DE 69434225 T DE69434225 T DE 69434225T DE 69434225 D1 DE69434225 D1 DE 69434225D1
Authority
DE
Germany
Prior art keywords
recording
frequency
information
plural
reproducing
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
DE69434225T
Other languages
English (en)
Other versions
DE69434225T2 (de
Inventor
Osamu Shimoyoshi
Kenzo Akagiri
Hiroshi Suzuki
Makoto Mitsuno
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
Application granted granted Critical
Publication of DE69434225D1 publication Critical patent/DE69434225D1/de
Publication of DE69434225T2 publication Critical patent/DE69434225T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007Time or data compression or expansion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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 subband decomposition
    • G10L19/0208Subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/665Details 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
DE69434225T 1993-03-09 1994-03-09 Verfahren und Vorrichtung zur Aufzeichnung, Wiedergabe, Übertragung und/oder zum Empfang von komprimierten Daten und geeigneter Aufzeichnungsträger Expired - Lifetime DE69434225T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP05047943A JP3123290B2 (ja) 1993-03-09 1993-03-09 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
JP4794393 1993-03-09

Publications (2)

Publication Number Publication Date
DE69434225D1 true DE69434225D1 (de) 2005-02-17
DE69434225T2 DE69434225T2 (de) 2005-12-08

Family

ID=12789453

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69434225T Expired - Lifetime DE69434225T2 (de) 1993-03-09 1994-03-09 Verfahren und Vorrichtung zur Aufzeichnung, Wiedergabe, Übertragung und/oder zum Empfang von komprimierten Daten und geeigneter Aufzeichnungsträger

Country Status (9)

Country Link
US (1) US5548574A (de)
EP (3) EP0615349B1 (de)
JP (1) JP3123290B2 (de)
KR (1) KR100361954B1 (de)
CN (1) CN1132317C (de)
AT (1) ATE287148T1 (de)
AU (1) AU676873B2 (de)
DE (1) DE69434225T2 (de)
TW (1) TW279975B (de)

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US6721491B1 (en) * 1999-12-22 2004-04-13 Sightsound Technologies, Inc. Method and system for manipulation of audio or video signals
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US6298071B1 (en) 1998-09-03 2001-10-02 Diva Systems Corporation Method and apparatus for processing variable bit rate information in an information distribution system
JP3594514B2 (ja) * 1999-07-12 2004-12-02 株式会社ソニー・コンピュータエンタテインメント エンコーダ、デコーダ、音声データ処理装置、音声データ処理システム、音声データ圧縮方法、音声データ伸張方法、音声データ処理方法及び記録媒体
US6567781B1 (en) 1999-12-30 2003-05-20 Quikcat.Com, Inc. Method and apparatus for compressing audio data using a dynamical system having a multi-state dynamical rule set and associated transform basis function
US7827112B2 (en) * 2001-03-01 2010-11-02 Sony Corporation Digital signal processing apparatus, digital signal processing method, information center, and data delivery system
JP2006018023A (ja) * 2004-07-01 2006-01-19 Fujitsu Ltd オーディオ信号符号化装置、および符号化プログラム
EP2186087B1 (de) * 2007-08-27 2011-11-30 Telefonaktiebolaget L M Ericsson (PUBL) Verbesserte transformationskodierung von sprach- und audiosignalen
US9349196B2 (en) 2013-08-09 2016-05-24 Red Hat, Inc. Merging and splitting data blocks
CN105323012B (zh) * 2014-07-14 2019-07-02 宏碁股份有限公司 声音数据传输系统与声音数据传输方法

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Also Published As

Publication number Publication date
JPH0730432A (ja) 1995-01-31
DE69434225T2 (de) 2005-12-08
TW279975B (de) 1996-07-01
ATE287148T1 (de) 2005-01-15
EP0615349A2 (de) 1994-09-14
JP3123290B2 (ja) 2001-01-09
CN1100850A (zh) 1995-03-29
EP1517324A2 (de) 2005-03-23
EP1517324B1 (de) 2013-05-15
EP0615349A3 (de) 1998-06-03
EP0615349B1 (de) 2005-01-12
AU5641694A (en) 1994-09-15
US5548574A (en) 1996-08-20
KR940023043A (ko) 1994-10-22
EP2391030B1 (de) 2015-08-19
KR100361954B1 (ko) 2003-02-07
EP1517324A3 (de) 2008-05-07
AU676873B2 (en) 1997-03-27
CN1132317C (zh) 2003-12-24
EP2391030A1 (de) 2011-11-30

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