JP6169971B2 - デジタル音響システム - Google Patents

デジタル音響システム Download PDF

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Publication number
JP6169971B2
JP6169971B2 JP2013540824A JP2013540824A JP6169971B2 JP 6169971 B2 JP6169971 B2 JP 6169971B2 JP 2013540824 A JP2013540824 A JP 2013540824A JP 2013540824 A JP2013540824 A JP 2013540824A JP 6169971 B2 JP6169971 B2 JP 6169971B2
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JP
Japan
Prior art keywords
digital
parallel
signal
digital signal
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
JP2013540824A
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English (en)
Japanese (ja)
Other versions
JPWO2013062038A1 (ja
Inventor
彰 安田
彰 安田
淳一 岡村
淳一 岡村
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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Priority to JP2013540824A priority Critical patent/JP6169971B2/ja
Publication of JPWO2013062038A1 publication Critical patent/JPWO2013062038A1/ja
Application granted granted 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
    • 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Analogue/Digital Conversion (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
JP2013540824A 2011-10-25 2012-10-25 デジタル音響システム Expired - Fee Related JP6169971B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013540824A JP6169971B2 (ja) 2011-10-25 2012-10-25 デジタル音響システム

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011233937 2011-10-25
JP2011233937 2011-10-25
PCT/JP2012/077570 WO2013062038A1 (ja) 2011-10-25 2012-10-25 デジタル音響システム
JP2013540824A JP6169971B2 (ja) 2011-10-25 2012-10-25 デジタル音響システム

Publications (2)

Publication Number Publication Date
JPWO2013062038A1 JPWO2013062038A1 (ja) 2015-04-02
JP6169971B2 true JP6169971B2 (ja) 2017-07-26

Family

ID=48167864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013540824A Expired - Fee Related JP6169971B2 (ja) 2011-10-25 2012-10-25 デジタル音響システム

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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3341566B2 (ja) * 1996-02-15 2002-11-05 ソニー株式会社 信号伝送方法及び装置、並びに信号再生方法及び装置
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
WO2005002200A2 (en) * 2003-06-13 2005-01-06 Nielsen Media Research, Inc. Methods and apparatus for embedding watermarks
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
CN102684699B (zh) * 2006-05-21 2015-03-18 株式会社特瑞君思半导体 声音再现用数据变换装置
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
JP5396588B2 (ja) * 2008-06-16 2014-01-22 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ デジタルスピーカー駆動装置，デジタルスピーカー装置，アクチュエータ，平面ディスプレイ装置及び携帯電子機器
CN101944360A (zh) * 2009-07-03 2011-01-12 邱剑 方便使用的方法和终端
WO2011074341A1 (ja) * 2009-12-16 2011-06-23 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ 音響システム

Also Published As

Publication number Publication date
US20140236332A1 (en) 2014-08-21
KR20140079400A (ko) 2014-06-26
CN103891312B (zh) 2017-09-01
CN103891312A (zh) 2014-06-25
WO2013062038A1 (ja) 2013-05-02
US9793868B2 (en) 2017-10-17
EP2782361A1 (en) 2014-09-24
IN2014DN03351A (enExample) 2015-06-26
EP2782361A4 (en) 2015-07-08
JPWO2013062038A1 (ja) 2015-04-02

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