CN103891312B - 数字音响系统 - Google Patents

数字音响系统 Download PDF

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Publication number
CN103891312B
CN103891312B CN201280052756.XA CN201280052756A CN103891312B CN 103891312 B CN103891312 B CN 103891312B CN 201280052756 A CN201280052756 A CN 201280052756A CN 103891312 B CN103891312 B CN 103891312B
Authority
CN
China
Prior art keywords
digital
signal
serial
parallel
digital signals
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
CN201280052756.XA
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English (en)
Chinese (zh)
Other versions
CN103891312A (zh
Inventor
安田彰
冈村淳
冈村淳一
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.)
Trigence Semiconductor Inc
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Trigence Semiconductor Inc
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Filing date
Publication date
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Publication of CN103891312A publication Critical patent/CN103891312A/zh
Application granted granted Critical
Publication of CN103891312B publication Critical patent/CN103891312B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2175—Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/026—Transducers having separately controllable opposing diaphragms, e.g. for ring-tone and voice
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/03—Aspects of the reduction of energy consumption in hearing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Power Engineering (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Analogue/Digital Conversion (AREA)
CN201280052756.XA 2011-10-25 2012-10-25 数字音响系统 Expired - Fee Related CN103891312B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011233937 2011-10-25
JP2011-233937 2011-10-25
PCT/JP2012/077570 WO2013062038A1 (ja) 2011-10-25 2012-10-25 デジタル音響システム

Publications (2)

Publication Number Publication Date
CN103891312A CN103891312A (zh) 2014-06-25
CN103891312B true CN103891312B (zh) 2017-09-01

Family

ID=48167864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280052756.XA Expired - Fee Related CN103891312B (zh) 2011-10-25 2012-10-25 数字音响系统

Country Status (7)

Country Link
US (1) US9793868B2 (enExample)
EP (1) EP2782361A4 (enExample)
JP (1) JP6169971B2 (enExample)
KR (1) KR20140079400A (enExample)
CN (1) CN103891312B (enExample)
IN (1) IN2014DN03351A (enExample)
WO (1) WO2013062038A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017179616A1 (ja) * 2016-04-15 2017-10-19 第一精工株式会社 スピーカシステム
EP3355590A1 (en) * 2017-01-26 2018-08-01 Vestel Elektronik Sanayi ve Ticaret A.S. Loudspeaker, apparatus comprising the same, and method of operating a loudspeaker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5844513A (en) * 1996-02-15 1998-12-01 Sony Corporation Method and apparatus for transmitting sigma delta modulated audio signals
CN101803401A (zh) * 2008-06-16 2010-08-11 株式会社特瑞君思半导体 数字扬声器驱动装置
CN101944360A (zh) * 2009-07-03 2011-01-12 邱剑 方便使用的方法和终端
CN101950561A (zh) * 2003-06-13 2011-01-19 尼尔森（美国）有限公司 水印嵌入方法和装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3415398B2 (ja) * 1997-08-07 2003-06-09 パイオニア株式会社 音声信号処理装置
JP4061791B2 (ja) * 1999-10-29 2008-03-19 ヤマハ株式会社 デジタルデータ再生装置
JP2002176362A (ja) * 2000-12-06 2002-06-21 Sony Corp ディジタル信号伝送方法及び装置
US7058463B1 (en) * 2000-12-29 2006-06-06 Nokia Corporation Method and apparatus for implementing a class D driver and speaker system
JP2005311847A (ja) * 2004-04-23 2005-11-04 Nippon Telegr & Teleph Corp <Ntt> データ通信方法、データ送信装置およびデータ受信装置、ならびにデータ送信プログラム
JP2006197152A (ja) * 2005-01-13 2006-07-27 Sharp Corp 骨伝導スピーカ装置
CN102684700B (zh) 2006-05-21 2015-04-01 株式会社特瑞君思半导体 数字扬声器系统
JP2009010820A (ja) * 2007-06-29 2009-01-15 Sony Corp 記憶装置、記憶制御方法、およびプログラム
JP5748657B2 (ja) * 2009-12-16 2015-07-15 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ 音響システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5844513A (en) * 1996-02-15 1998-12-01 Sony Corporation Method and apparatus for transmitting sigma delta modulated audio signals
CN101950561A (zh) * 2003-06-13 2011-01-19 尼尔森（美国）有限公司 水印嵌入方法和装置
CN101803401A (zh) * 2008-06-16 2010-08-11 株式会社特瑞君思半导体 数字扬声器驱动装置
CN101944360A (zh) * 2009-07-03 2011-01-12 邱剑 方便使用的方法和终端

Also Published As

Publication number Publication date
US9793868B2 (en) 2017-10-17
WO2013062038A1 (ja) 2013-05-02
CN103891312A (zh) 2014-06-25
KR20140079400A (ko) 2014-06-26
JPWO2013062038A1 (ja) 2015-04-02
IN2014DN03351A (enExample) 2015-06-26
EP2782361A1 (en) 2014-09-24
US20140236332A1 (en) 2014-08-21
JP6169971B2 (ja) 2017-07-26
EP2782361A4 (en) 2015-07-08

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Granted publication date: 20170901

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