DE69730662D1 - 1 Bit Digitalsignalverarbeitungsvorrichtung, Aufzeichnungsvorrichtung und Wiedergabevorrichtung - Google Patents

1 Bit Digitalsignalverarbeitungsvorrichtung, Aufzeichnungsvorrichtung und Wiedergabevorrichtung

Info

Publication number
DE69730662D1
DE69730662D1 DE69730662T DE69730662T DE69730662D1 DE 69730662 D1 DE69730662 D1 DE 69730662D1 DE 69730662 T DE69730662 T DE 69730662T DE 69730662 T DE69730662 T DE 69730662T DE 69730662 D1 DE69730662 D1 DE 69730662D1
Authority
DE
Germany
Prior art keywords
signal processing
digital signal
bit digital
reproducing
recording
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
DE69730662T
Other languages
English (en)
Other versions
DE69730662T2 (de
Inventor
Masayoshi Noguchi
Gen Ichimura
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 DE69730662D1 publication Critical patent/DE69730662D1/de
Application granted granted Critical
Publication of DE69730662T2 publication Critical patent/DE69730662T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3028—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • 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
    • 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
    • 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
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
    • G11B2020/00065—Sigma-delta audio encoding
    • 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
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
    • H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
DE69730662T 1996-07-31 1997-07-23 1 Bit Digitalsignalverarbeitungsvorrichtung, Aufzeichnungsvorrichtung und Wiedergabevorrichtung Expired - Lifetime DE69730662T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20217696A JP3339315B2 (ja) 1996-07-31 1996-07-31 ディジタル信号処理装置、記録装置及び再生装置
JP20217696 1996-07-31

Publications (2)

Publication Number Publication Date
DE69730662D1 true DE69730662D1 (de) 2004-10-21
DE69730662T2 DE69730662T2 (de) 2005-09-22

Family

ID=16453230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730662T Expired - Lifetime DE69730662T2 (de) 1996-07-31 1997-07-23 1 Bit Digitalsignalverarbeitungsvorrichtung, Aufzeichnungsvorrichtung und Wiedergabevorrichtung

Country Status (5)

Country Link
EP (1) EP0822666B1 (de)
JP (1) JP3339315B2 (de)
KR (1) KR100484398B1 (de)
CN (3) CN1225090C (de)
DE (1) DE69730662T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003006991A (ja) * 2001-06-21 2003-01-10 Sony Corp デジタル信号処理装置及びデジタル信号処理方法、並びにデジタル信号再生受信システム
JP4059238B2 (ja) * 2004-09-16 2008-03-12 ソニー株式会社 デジタル信号処理装置及びデジタル信号処理方法
JP2010249940A (ja) * 2009-04-13 2010-11-04 Sony Corp ノイズ低減装置、ノイズ低減方法
EP3309781B1 (de) 2015-06-10 2023-10-04 Sony Group Corporation Signalverarbeitungsvorrichtung, signalverarbeitungsverfahren und programm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04129311A (ja) * 1990-09-19 1992-04-30 Matsushita Electric Ind Co Ltd ミューティング装置
US5497152A (en) * 1993-09-13 1996-03-05 Analog Devices, Inc. Digital-to-digital conversion using non-uniform sample rates
US5617088A (en) * 1994-01-26 1997-04-01 Sony Corporation Sampling frequency converting device and memory address control device
JP3576208B2 (ja) * 1994-06-24 2004-10-13 Ｎｅｃインフロンティア株式会社 Ｄｓｐによるビットレート切換機能付データ圧縮方法および装置

Also Published As

Publication number Publication date
JP3339315B2 (ja) 2002-10-28
CN1264160C (zh) 2006-07-12
CN1225090C (zh) 2005-10-26
KR100484398B1 (ko) 2005-09-14
DE69730662T2 (de) 2005-09-22
CN1183680A (zh) 1998-06-03
EP0822666A3 (de) 1999-10-06
EP0822666A2 (de) 1998-02-04
KR980012967A (ko) 1998-04-30
JPH1051311A (ja) 1998-02-20
EP0822666B1 (de) 2004-09-15
CN1430333A (zh) 2003-07-16
CN1430223A (zh) 2003-07-16
CN1126266C (zh) 2003-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)