KR20140079400A - 디지털 음향 시스템 - Google Patents

디지털 음향 시스템 Download PDF

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Publication number
KR20140079400A
KR20140079400A KR1020147009605A KR20147009605A KR20140079400A KR 20140079400 A KR20140079400 A KR 20140079400A KR 1020147009605 A KR1020147009605 A KR 1020147009605A KR 20147009605 A KR20147009605 A KR 20147009605A KR 20140079400 A KR20140079400 A KR 20140079400A
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KR
South Korea
Prior art keywords
digital
serial
digital signal
converter
signal
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.)
Ceased
Application number
KR1020147009605A
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English (en)
Korean (ko)
Inventor
아키라 야스다
준이치 오카무라
Original Assignee
트라이젠스 세미컨덕터 가부시키가이샤
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 트라이젠스 세미컨덕터 가부시키가이샤 filed Critical 트라이젠스 세미컨덕터 가부시키가이샤
Publication of KR20140079400A publication Critical patent/KR20140079400A/ko
Ceased legal-status Critical Current

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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; 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
    • 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)
  • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Analogue/Digital Conversion (AREA)
KR1020147009605A 2011-10-25 2012-10-25 디지털 음향 시스템 Ceased KR20140079400A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011233937 2011-10-25
JPJP-P-2011-233937 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 (1)

Publication Number Publication Date
KR20140079400A true KR20140079400A (ko) 2014-06-26

Family

ID=48167864

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147009605A Ceased KR20140079400A (ko) 2011-10-25 2012-10-25 디지털 음향 시스템

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
JP6648821B2 (ja) * 2016-04-15 2020-02-14 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2187657A1 (en) * 2008-06-16 2010-05-19 Trigence Semiconductor, Inc. Digital speaker driving device
US20110160883A1 (en) * 2009-12-16 2011-06-30 Trigence Semiconductor, Inc. Acoustic playback system

Family Cites Families (10)

* 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
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
KR101341761B1 (ko) * 2006-05-21 2013-12-13 트라이젠스 세미컨덕터 가부시키가이샤 디지털 아날로그 변환장치
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
CN101944360A (zh) * 2009-07-03 2011-01-12 邱剑 方便使用的方法和终端

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2187657A1 (en) * 2008-06-16 2010-05-19 Trigence Semiconductor, Inc. Digital speaker driving device
US20110160883A1 (en) * 2009-12-16 2011-06-30 Trigence Semiconductor, Inc. Acoustic playback system

Also Published As

Publication number Publication date
US20140236332A1 (en) 2014-08-21
JPWO2013062038A1 (ja) 2015-04-02
WO2013062038A1 (ja) 2013-05-02
CN103891312B (zh) 2017-09-01
CN103891312A (zh) 2014-06-25
EP2782361A1 (en) 2014-09-24
EP2782361A4 (en) 2015-07-08
US9793868B2 (en) 2017-10-17
JP6169971B2 (ja) 2017-07-26
IN2014DN03351A (enExample) 2015-06-26

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