KR20110030414A - 디지털 스피커 구동장치 - Google Patents

디지털 스피커 구동장치 Download PDF

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Publication number
KR20110030414A
KR20110030414A KR1020107005223A KR20107005223A KR20110030414A KR 20110030414 A KR20110030414 A KR 20110030414A KR 1020107005223 A KR1020107005223 A KR 1020107005223A KR 20107005223 A KR20107005223 A KR 20107005223A KR 20110030414 A KR20110030414 A KR 20110030414A
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KR
South Korea
Prior art keywords
digital
speaker
signal
digital signal
circuit
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
KR1020107005223A
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English (en)
Korean (ko)
Inventor
준-이치 오카무라
아키라 야수다
Original Assignee
트라이젠스 세미컨덕터 가부시키가이샤
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Publication of KR20110030414A publication Critical patent/KR20110030414A/ko
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • 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
    • 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
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers
    • 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
    • H04R9/02—Details
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R15/00—Magnetostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003—Digital PA systems using, e.g. LAN or internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Headphones And Earphones (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020107005223A 2008-06-16 2009-05-29 디지털 스피커 구동장치 Ceased KR20110030414A (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JPJP-P-2008-156284 2008-06-16
JP2008156284 2008-06-16
JP2008314905A JP5396588B2 (ja) 2008-06-16 2008-12-10 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
JP2008314929A JP5552620B2 (ja) 2008-06-16 2008-12-10 デジタルスピーカー駆動装置と集中制御装置とを搭載した自動車
JPJP-P-2008-314905 2008-12-10
JPJP-P-2008-314438 2008-12-10
JP2008314438A JP5552614B2 (ja) 2008-06-16 2008-12-10 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
JPJP-P-2008-314929 2008-12-10

Publications (1)

Publication Number Publication Date
KR20110030414A true KR20110030414A (ko) 2011-03-23

Family

ID=41734122

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020107005223A Ceased KR20110030414A (ko) 2008-06-16 2009-05-29 디지털 스피커 구동장치

Country Status (6)

Country Link
US (3) US8306244B2 (https=)
EP (1) EP2187657A4 (https=)
JP (5) JP5552620B2 (https=)
KR (1) KR20110030414A (https=)
CN (3) CN107277707B (https=)
WO (1) WO2009154067A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014083981A1 (ja) * 2012-11-28 2014-06-05 クラリオン株式会社 デジタルスピーカーシステム、及び、デジタルスピーカーシステムの結線方法

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007135928A1 (ja) 2006-05-21 2007-11-29 Trigence Semiconductor, Inc. デジタルアナログ変換装置
JP5552620B2 (ja) 2008-06-16 2014-07-16 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ デジタルスピーカー駆動装置と集中制御装置とを搭載した自動車
WO2010104112A1 (ja) * 2009-03-11 2010-09-16 三菱鉛筆株式会社 スピーカユニット
JP5568752B2 (ja) 2009-12-09 2014-08-13 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ 選択装置
CN103096217B (zh) 2009-12-16 2016-09-28 株式会社特瑞君思半导体 音响系统
JP5842140B2 (ja) * 2010-03-18 2016-01-13 パナソニックＩｐマネジメント株式会社 車載用ラジオ受信装置およびノイズキャンセル方法
JP5461285B2 (ja) * 2010-04-09 2014-04-02 クラリオン株式会社 ボイスコイルスピーカー
JP5557582B2 (ja) 2010-04-09 2014-07-23 クラリオン株式会社 ボイスコイルスピーカー
JP5461284B2 (ja) * 2010-04-09 2014-04-02 クラリオン株式会社 ボイスコイルスピーカー
CN101986721B (zh) * 2010-10-22 2014-07-09 苏州上声电子有限公司 全数字式扬声器装置
KR101831013B1 (ko) * 2010-11-26 2018-02-21 오디오 픽셀즈 리미티드 액츄에이터 어레이에서의 개별 어드레싱 및 잡음 감소를 위한 장치 및 방법
US9148712B2 (en) 2010-12-10 2015-09-29 Infineon Technologies Ag Micromechanical digital loudspeaker
CN103534922B (zh) 2011-03-31 2016-09-21 株式会社特瑞君思半导体 电动机驱动用逆变器
JP2012227589A (ja) * 2011-04-15 2012-11-15 Clarion Co Ltd デジタルスピーカーシステム
JP5910846B2 (ja) 2011-07-26 2016-04-27 ソニー株式会社 制御装置、制御方法、及び、プログラム
KR101851041B1 (ko) * 2011-08-12 2018-04-20 트라이젠스 세미컨덕터 가부시키가이샤 구동 회로
EP2782361A4 (en) * 2011-10-25 2015-07-08 Trigence Semiconductor Inc DIGITAL ACOUSTIC SYSTEM
CN102404672B (zh) * 2011-10-27 2013-12-18 苏州上声电子有限公司 数字化扬声器阵列系统的通道均衡与波束控制方法和装置
JP2013102370A (ja) * 2011-11-09 2013-05-23 Sony Corp ヘッドホン装置、端末装置、情報送信方法、プログラム、ヘッドホンシステム
CN103167380B (zh) * 2011-12-13 2015-09-09 中国科学院声学研究所 一种数字化超指向性扬声器系统
EP2854422B1 (en) 2012-05-21 2019-08-14 Clarion Co., Ltd. Voice coil speaker
JP6096542B2 (ja) 2012-05-23 2017-03-15 ホシデン株式会社 マルチコイル、ボイスコイルおよびこれを用いた電気音響変換装置
WO2014002680A1 (ja) 2012-06-26 2014-01-03 クラリオン株式会社 ボイスコイルスピーカー
JP6132492B2 (ja) 2012-08-29 2017-05-24 クラリオン株式会社 ボイスコイルスピーカー
JP6054697B2 (ja) * 2012-09-28 2016-12-27 本田技研工業株式会社 車両用音声処理装置
US9349304B2 (en) 2013-02-04 2016-05-24 Bose Corporation Demonstrating an active vibration isolation system
WO2014153170A1 (en) * 2013-03-14 2014-09-25 Soundwall Llc Decorative flat panel sound system
US10531190B2 (en) 2013-03-15 2020-01-07 Elwha Llc Portable electronic device directed audio system and method
US20140269207A1 (en) * 2013-03-15 2014-09-18 Elwha Llc Portable Electronic Device Directed Audio Targeted User System and Method
US10181314B2 (en) 2013-03-15 2019-01-15 Elwha Llc Portable electronic device directed audio targeted multiple user system and method
US20140269196A1 (en) * 2013-03-15 2014-09-18 Elwha Llc Portable Electronic Device Directed Audio Emitter Arrangement System and Method
US9886941B2 (en) 2013-03-15 2018-02-06 Elwha Llc Portable electronic device directed audio targeted user system and method
US10291983B2 (en) 2013-03-15 2019-05-14 Elwha Llc Portable electronic device directed audio system and method
US10575093B2 (en) * 2013-03-15 2020-02-25 Elwha Llc Portable electronic device directed audio emitter arrangement system and method
CN103491485A (zh) * 2013-09-04 2014-01-01 国光电器股份有限公司 双音圈喇叭d类数字功放系统及其信号处理方法
JP6196860B2 (ja) * 2013-09-20 2017-09-13 日立マクセル株式会社 スピーカーシステム
CN103701465B (zh) * 2013-12-02 2016-09-21 苏州上声电子有限公司 一种基于多比特△—σ调制的数字扬声器系统实现方法和装置
JP6400902B2 (ja) * 2013-12-27 2018-10-03 クラリオン株式会社 スピーカ
JP5841639B2 (ja) * 2014-06-02 2016-01-13 クラリオン株式会社 ボイスコイルスピーカー
US20160117962A1 (en) * 2014-10-22 2016-04-28 Samsung Electronics Co., Ltd. Display apparatus and display method thereof
US9628928B2 (en) * 2014-10-30 2017-04-18 Trigence Semiconductor, Inc. Speaker control device
JP6458276B2 (ja) * 2014-11-18 2019-01-30 株式会社オーディオテクニカ ボイスコイル、電気音響変換器、ヘッドホンおよび振動板
KR102369124B1 (ko) 2014-12-26 2022-03-03 삼성디스플레이 주식회사 영상 표시 장치
CN104581589B (zh) * 2014-12-31 2018-01-02 苏州上声电子有限公司 基于三态编码的通道状态选取方法和装置
US9973859B2 (en) * 2015-02-17 2018-05-15 Frank Joseph Pompei Amplifiers for parametric loudspeakers
EP3284266B1 (en) * 2015-04-15 2021-02-17 Audio Pixels Ltd. Methods and systems for detecting at least the position of an object in space
WO2017179219A1 (ja) 2016-04-12 2017-10-19 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ スピーカ駆動装置、スピーカ装置およびプログラム
WO2017179616A1 (ja) * 2016-04-15 2017-10-19 第一精工株式会社 スピーカシステム
US9936304B2 (en) * 2016-08-23 2018-04-03 Infineon Technologies Ag Digital silicon microphone with configurable sensitivity, frequency response and noise transfer function
US10462567B2 (en) 2016-10-11 2019-10-29 Ford Global Technologies, Llc Responding to HVAC-induced vehicle microphone buffeting
JP6296669B1 (ja) * 2016-10-18 2018-03-20 株式会社オーディオテクニカ デジタル駆動型ヘッドホン
KR101758708B1 (ko) 2017-04-03 2017-07-18 포항공과대학교 산학협력단 3-레벨의 디지털 신호를 사용하는 액티브 노이즈 감소 이어폰
KR102300544B1 (ko) 2017-04-07 2021-09-09 (주)드림어스컴퍼니 모듈형 신호 변환 장치 및 방법
WO2018186530A1 (ko) * 2017-04-07 2018-10-11 주식회사 아이리버 전원 노이즈 제거 장치 및 오디오 신호 변환 장치
CA3052769C (en) 2017-05-24 2021-08-17 Halliburton Energy Services, Inc. Acoustic noise reduction and energy generation barrier
US10525921B2 (en) 2017-08-10 2020-01-07 Ford Global Technologies, Llc Monitoring windshield vibrations for vehicle collision detection
US10562449B2 (en) * 2017-09-25 2020-02-18 Ford Global Technologies, Llc Accelerometer-based external sound monitoring during low speed maneuvers
WO2019069466A1 (ja) 2017-10-06 2019-04-11 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ スピーカ駆動装置、スピーカ装置およびプログラム
JP2019092129A (ja) * 2017-11-17 2019-06-13 株式会社オーディオテクニカ デジタル式電気音響変換装置
KR20200101968A (ko) 2018-01-04 2020-08-28 트라이젠스 세미컨덕터 가부시키가이샤 스피커 구동 장치, 스피커 장치 및 프로그램
US11153690B2 (en) * 2018-08-22 2021-10-19 Dsp Group Ltd. Electrostatic speaker and a method for generating acoustic signals
JP6802954B2 (ja) * 2019-06-05 2020-12-23 株式会社オーディオテクニカ デジタル駆動型電気音響変換器の結線構造およびデジタル駆動型ヘッドホン
KR102845258B1 (ko) * 2019-10-17 2025-08-11 현대모비스 주식회사 노면영상을 활용한 능동 소음저감 방법 및 장치
US11272293B2 (en) 2020-01-30 2022-03-08 Cirrus Logic, Inc. Loudspeaker driver systems
US10945069B1 (en) * 2020-01-30 2021-03-09 Cirrus Logic, Inc. Loudspeaker driver systems
WO2022208812A1 (ja) * 2021-03-31 2022-10-06 パイオニア株式会社 音声制御装置、音声制御システム、音声制御方法、音声制御プログラム及び記憶媒体
CN114598969A (zh) * 2022-03-09 2022-06-07 地球山(苏州)微电子科技有限公司 一种数字扬声器音量控制方法、装置、设备及介质
CN114745632B (zh) * 2022-03-09 2025-10-28 地球山(苏州)微电子科技有限公司 一种数字发声的音量控制方法、装置、设备及介质
CN116055950B (zh) * 2022-05-11 2023-10-17 荣耀终端有限公司 扬声器驱动电路及电子设备
US12413883B2 (en) * 2023-07-10 2025-09-09 Harman Becker Automotive Systems Gmbh Speaker with batched cones
TW202508236A (zh) * 2023-08-11 2025-02-16 連訊通信股份有限公司 音頻訊號傳輸裝置與方法、音頻訊號接收裝置與方法以及音響系統
CN117395357A (zh) * 2023-12-12 2024-01-12 地球山(苏州)微电子科技有限公司 一种基于数字扬声器的电视及其发声方法
WO2025177941A1 (ja) * 2024-02-20 2025-08-28 株式会社エルム 限定領域音声広報システム

Family Cites Families (144)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005118A (en) 1930-02-14 1935-06-18 Standard Oil Co Conversion process
JPS5648698A (en) 1979-09-28 1981-05-01 Hitachi Ltd Sound generation circuit
JPS573498A (en) 1980-06-06 1982-01-08 Mitsubishi Electric Corp Multiway speaker device
JPS57138293A (en) 1981-02-20 1982-08-26 Pioneer Electronic Corp Dynamic speaker system
JPS58127795A (ja) 1982-01-25 1983-07-29 Yushiro Do Brazil Ind Chem Ltd 水性作動流体原液
NL8303186A (nl) * 1983-09-15 1985-04-01 Philips Nv Luidsprekersysteem en een luidspreker te gebruiken in een luidspreker voor het omzetten van een in n bits gedigitaliseerd electrisch signaal in een akoestisch signaal.
NL8303185A (nl) * 1983-09-15 1985-04-01 Philips Nv Hybried luidsprekersysteem eventueel met een of meer korrektieketens.
JPS6413986A (en) * 1987-07-08 1989-01-18 Mitsuiwa Eng Kk Microcapsule for cultivating cell and production thereof
JPH02121497A (ja) 1988-10-31 1990-05-09 Victor Co Of Japan Ltd デジタルスピーカユニツト及びその駆動装置
JPH0748914B2 (ja) 1989-08-05 1995-05-24 松下電器産業株式会社 デジタルプリアンプ
JPH03216025A (ja) 1990-01-22 1991-09-24 Nec Corp 並列直列変換器
JPH0435599A (ja) 1990-05-31 1992-02-06 Casio Comput Co Ltd 制御装置
JPH05199575A (ja) 1990-12-25 1993-08-06 Sakai Shoji Kk スピーカ装置
JPH04355599A (ja) 1991-05-31 1992-12-09 Matsushita Electric Ind Co Ltd ディジタルスピーカ
JP2828543B2 (ja) * 1991-08-02 1998-11-25 シャープ株式会社 スピーカ駆動回路
JP2683310B2 (ja) 1991-11-20 1997-11-26 シャープ株式会社 スピーカ駆動回路
US5347587A (en) * 1991-11-20 1994-09-13 Sharp Kabushiki Kaisha Speaker driving device
JP3123286B2 (ja) 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
JP2880372B2 (ja) * 1993-05-18 1999-04-05 シャープ株式会社 スピーカ駆動装置
US5404142A (en) 1993-08-05 1995-04-04 Analog Devices, Incorporated Data-directed scrambler for multi-bit noise shaping D/A converters
JP2945570B2 (ja) 1993-10-29 1999-09-06 シャープ株式会社 信号処理装置
JP3469326B2 (ja) 1994-08-16 2003-11-25 バー−ブラウン・コーポレーション デジタル−アナログ変換器
JPH0865791A (ja) 1994-08-25 1996-03-08 Fujitsu Ten Ltd スピーカのボイスコイル
JP3367800B2 (ja) 1994-09-30 2003-01-20 株式会社東芝 選択装置およびこれを用いたａ／ｄ変換器並びにｄ／ａ変換器
JP3338268B2 (ja) 1995-12-28 2002-10-28 株式会社東芝 選択装置
US5872532A (en) * 1994-09-30 1999-02-16 Kabushiki Kaisha Toshiba Selection apparatus
GB9506725D0 (en) 1995-03-31 1995-05-24 Hooley Anthony Improvements in or relating to loudspeakers
JP3185963B2 (ja) * 1995-07-28 2001-07-11 日本電信電話株式会社 スピーカ駆動回路
JPH1051888A (ja) 1996-05-28 1998-02-20 Sony Corp スピーカ装置および音声再生システム
JPH1013986A (ja) * 1996-06-18 1998-01-16 Sony Corp スピーカ装置
US6216052B1 (en) 1996-10-23 2001-04-10 Advanced Micro Devices, Inc. Noise elimination in a USB codec
JPH10145887A (ja) * 1996-11-07 1998-05-29 Sony Corp スピーカ装置
JPH10276093A (ja) 1997-03-28 1998-10-13 Sony Corp Ｄ／ａ変換器
JPH10276490A (ja) 1997-03-31 1998-10-13 Sony Corp 音響変換器
TW405328B (en) * 1997-04-11 2000-09-11 Matsushita Electric Industrial Co Ltd Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
CA2286978A1 (en) 1997-04-18 1998-10-29 Jesper Steensgaard-Madsen Oversampled digital-to-analog converter based on nonlinear separation and linear recombination
US6243472B1 (en) * 1997-09-17 2001-06-05 Frank Albert Bilan Fully integrated amplified loudspeaker
JP3369448B2 (ja) 1997-09-29 2003-01-20 シャープ株式会社 ディジタルスイッチングアンプ
JPH11122110A (ja) 1997-10-15 1999-04-30 Matsushita Electric Ind Co Ltd Ｄ／ａ変換装置
JP4221792B2 (ja) * 1998-01-09 2009-02-12 ソニー株式会社 スピーカ装置及びオーディオ信号送信装置
US6492761B1 (en) 1998-01-20 2002-12-10 Ericsson Inc. Digital piezoelectric transducers and methods
JP3369503B2 (ja) 1998-03-10 2003-01-20 シャープ株式会社 ディジタルスイッチングアンプ
JP2000078015A (ja) 1998-09-02 2000-03-14 Asahi Kasei Microsystems Kk マルチビット型ｄ／ａ変換器及びデルタシグマ型ａ／ｄ変換器
JP3232457B2 (ja) 1999-02-05 2001-11-26 日本プレシジョン・サーキッツ株式会社 デルタシグマ方式ｄ／ａ変換器
JP3516878B2 (ja) 1999-03-16 2004-04-05 シャープ株式会社 Δς変調を用いるスイッチング増幅器
GB2349756B (en) 1999-05-06 2003-05-14 Sony Uk Ltd Signal processors
JP2000341794A (ja) * 1999-05-28 2000-12-08 Nec Viewtechnology Ltd 密閉箱型直接放射平面スピーカ
EP1063866B1 (en) 1999-05-28 2008-11-26 Texas Instruments Inc. Digital loudspeaker
JP3789685B2 (ja) * 1999-07-02 2006-06-28 富士通株式会社 マイクロホンアレイ装置
JP3340404B2 (ja) 1999-07-23 2002-11-05 株式会社 デジアン・テクノロジー Ｄ／ａ変換器
CN100358393C (zh) 1999-09-29 2007-12-26 1...有限公司 定向声音的方法和设备
JP4583689B2 (ja) 1999-10-27 2010-11-17 エヌエックスピー ビー ヴィ デジタル−アナログ・コンバータ
US20040223622A1 (en) 1999-12-01 2004-11-11 Lindemann Eric Lee Digital wireless loudspeaker system
WO2002023733A2 (en) * 2000-09-11 2002-03-21 Broadcom Corporation Sigma-delta digital-to-analog converter
DE60119476T2 (de) 2000-10-26 2006-11-23 Fujitsu Ltd., Kawasaki Segmentierte Schaltungsanordnung
JP2002216026A (ja) 2000-11-17 2002-08-02 Sony Corp 情報通信システム、エージェント端末、情報配信システム、エージェントプログラムが記憶された記憶媒体、エージェントアクセスプログラムが記憶された記憶媒体、専用処理プログラムが記憶された記憶媒体、エージェントプログラム、エージェントアクセスプログラム、及び、専用処理プログラム
US7058463B1 (en) * 2000-12-29 2006-06-06 Nokia Corporation Method and apparatus for implementing a class D driver and speaker system
JP2002374170A (ja) 2001-06-12 2002-12-26 Nippon Precision Circuits Inc １ビットｄ／ａ変換器
AU2002331624A1 (en) 2001-08-17 2003-03-03 Carnegie Mellon University Method and apparatus for reconstruction of soundwaves from digital signals
US6697004B1 (en) 2001-10-01 2004-02-24 Silicon Wave, Inc. Partial mismatch-shaping digital-to-analog converter
WO2003047309A1 (en) * 2001-11-30 2003-06-05 Sonion A/S A high efficiency driver for miniature loudspeakers
US6983052B2 (en) * 2001-12-29 2006-01-03 Alpine Electronics, Inc Vehicle power amplifier and voltage supply thereof
US6606044B2 (en) 2002-01-02 2003-08-12 Motorola, Inc. Method and apparatus for generating a pulse width modulated signal
JP2003216163A (ja) * 2002-01-21 2003-07-30 Denso Corp 騒音制御装置
JP2005518051A (ja) 2002-01-23 2005-06-16 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ オーバーサンプリングされたデジタルオーディオ信号をミキシングするためのミキシングシステム
GB0203895D0 (en) 2002-02-19 2002-04-03 1 Ltd Compact surround-sound system
GB2386280B (en) * 2002-03-07 2005-09-14 Zarlink Semiconductor Inc Digital microphone
US7483540B2 (en) 2002-03-25 2009-01-27 Bose Corporation Automatic audio system equalizing
US6563448B1 (en) 2002-04-29 2003-05-13 Texas Instruments Incorporated Flexible sample rate converter for multimedia digital-to-analog conversion in a wireless telephone
KR20030086896A (ko) 2002-05-03 2003-11-12 톰슨 라이센싱 소시에떼 아노님 온도계 코드 디지털-오디오 변환기
US7643894B2 (en) 2002-05-09 2010-01-05 Netstreams Llc Audio network distribution system
CN1388729A (zh) * 2002-07-01 2003-01-01 斯贝克电子（嘉善）有限公司 双对称磁路双音圈双定心支片扬声器
US6738003B2 (en) 2002-07-08 2004-05-18 Cirrus Logic, Inc. Delta-sigma modulation circuits and methods utilizing multiple noise attenuation bands and data converters using the same
US6940343B2 (en) * 2002-08-14 2005-09-06 Ami Semiconductor, Inc. Amplifier
US6738004B2 (en) * 2002-08-15 2004-05-18 Cirrus Logic, Inc. Method and system of integrating a mismatch noise shaper into the main loop of a delta-sigma modulator
JP3909280B2 (ja) * 2002-10-10 2007-04-25 シャープ株式会社 デジタル音声出力装置
AU2003275626A1 (en) 2002-10-29 2004-05-25 Sharp Kabushiki Kaisha Digital signal processing device and audio signal reproduction device
JP3737471B2 (ja) * 2002-11-18 2006-01-18 株式会社リコー 画像処理方法および画像処理システム
JP2004172786A (ja) 2002-11-19 2004-06-17 Sony Corp オーディオ信号の再生方法および再生装置
US6853325B2 (en) * 2002-12-27 2005-02-08 Renesas Technology Corp. Pulse width modulation digital amplifier
JP4326933B2 (ja) 2002-12-27 2009-09-09 株式会社ルネサステクノロジ デジタルアンプ
JP2004221651A (ja) * 2003-01-09 2004-08-05 Pioneer Electronic Corp ボイスコイル及びこれを用いたスピーカ
US20050031151A1 (en) * 2003-04-30 2005-02-10 Louis Melillo Speaker with adjustable voice coil impedance
US7053700B2 (en) 2003-06-02 2006-05-30 Nortel Networks Limited High-efficiency amplifier and method
US7058464B2 (en) 2003-07-17 2006-06-06 Ess Technology, Inc. Device and method for signal processing
JP4127156B2 (ja) * 2003-08-08 2008-07-30 ヤマハ株式会社 オーディオ再生装置、ラインアレイスピーカユニットおよびオーディオ再生方法
US6885330B2 (en) 2003-09-05 2005-04-26 Cirrus Logic, Inc. Data converters with ternary pulse width modulation output stages and methods and systems using the same
US6940436B2 (en) 2003-10-31 2005-09-06 Texas Instruments Incorporated Analog-to-digital conversion system with second order noise shaping and a single amplifier
JP2007512793A (ja) * 2003-12-01 2007-05-17 オーディオアシクス エー／エス 電圧ポンプを有するマイクロホン
US7193548B2 (en) 2004-01-30 2007-03-20 Hrl Laboratories, Llc Switching arrangement and DAC mismatch shaper using the same
EP1596625A1 (en) 2004-05-11 2005-11-16 AKG Acoustics GmbH Circuit for the control of a loudspeaker
US7792311B1 (en) 2004-05-15 2010-09-07 Sonos, Inc., Method and apparatus for automatically enabling subwoofer channel audio based on detection of subwoofer device
KR20050112363A (ko) 2004-05-25 2005-11-30 삼성전자주식회사 표시 장치
US6930625B1 (en) 2004-06-04 2005-08-16 Realtek Semiconductor Corp Multi-thread parallel processing sigma-delta ADC
US7378903B2 (en) 2004-06-07 2008-05-27 Sonos, Inc. System and method for minimizing DC offset in outputs of audio power amplifiers
JP3970266B2 (ja) 2004-06-23 2007-09-05 株式会社半導体理工学研究センター 複素バンドパスδσａｄ変調器、ａｄ変換回路及びディジタル無線受信機
JP3819010B2 (ja) 2004-06-30 2006-09-06 日本テキサス・インスツルメンツ株式会社 デジタルエンコーダ、および、それに用いたデジタルアナログ変換器
JP2006067008A (ja) 2004-08-24 2006-03-09 Yamaha Corp スピーカ
JP4568572B2 (ja) * 2004-10-07 2010-10-27 ローム株式会社 音声信号出力回路、および音声出力を発生する電子機器
TWI253055B (en) 2004-10-11 2006-04-11 Sunplus Technology Co Ltd Sound playing device using sigma-delta pulse width modulation
CN1797942A (zh) * 2004-12-29 2006-07-05 上海乐金广电电子有限公司 数字音频系统的模拟输出装置
US7825986B2 (en) 2004-12-30 2010-11-02 Mondo Systems, Inc. Integrated multimedia signal processing system using centralized processing of signals and other peripheral device
US8880205B2 (en) 2004-12-30 2014-11-04 Mondo Systems, Inc. Integrated multimedia signal processing system using centralized processing of signals
US7653447B2 (en) * 2004-12-30 2010-01-26 Mondo Systems, Inc. Integrated audio video signal processing system using centralized processing of signals
EP1691487B1 (en) 2005-02-10 2009-12-02 STMicroelectronics S.r.l. Enhancement of the dynamic range of a multibit digital-to-analog converter
TWI278186B (en) 2005-02-17 2007-04-01 Via Tech Inc Method and related apparatus for digital/analogue conversion
JP2006303618A (ja) * 2005-04-15 2006-11-02 Hosiden Corp スピーカ駆動システム
JP2006319535A (ja) * 2005-05-11 2006-11-24 Yamaha Corp 音響再生装置
JP2006339852A (ja) 2005-05-31 2006-12-14 Toshiba Corp 情報処理装置およびモジュール選択方法
JP4483707B2 (ja) 2005-06-01 2010-06-16 船井電機株式会社 ディスクローダ内蔵型テレビ、ディスク有無表示装置
US7317413B2 (en) * 2005-06-23 2008-01-08 Ying Lau Lee Multi-channel digital to analog (D/A) conversion
JP4327220B2 (ja) 2005-07-26 2009-09-09 東北パイオニア株式会社 表示装置の検査方法
US20070032895A1 (en) 2005-07-29 2007-02-08 Fawad Nackvi Loudspeaker with demonstration mode
JP4859925B2 (ja) 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
US8577048B2 (en) 2005-09-02 2013-11-05 Harman International Industries, Incorporated Self-calibrating loudspeaker system
KR100622078B1 (ko) 2005-11-21 2006-09-13 주식회사 솔리토닉스 초지향성 스피커 시스템 및 신호처리 방법
US8036402B2 (en) * 2005-12-15 2011-10-11 Harman International Industries, Incorporated Distortion compensation
US8385561B2 (en) 2006-03-13 2013-02-26 F. Davis Merrey Digital power link audio distribution system and components thereof
US8275144B2 (en) 2006-03-28 2012-09-25 Stmicroelectronics, Inc. Intelligent audio speakers
JP4887875B2 (ja) 2006-04-06 2012-02-29 日本テキサス・インスツルメンツ株式会社 ダイナミック・エレメント・マッチング方法及び装置
GB2437772B8 (en) * 2006-04-12 2008-09-17 Wolfson Microelectronics Plc Digital circuit arrangements for ambient noise-reduction.
WO2007135928A1 (ja) 2006-05-21 2007-11-29 Trigence Semiconductor, Inc. デジタルアナログ変換装置
SG171693A1 (en) 2006-05-22 2011-06-29 Audio Pixels Ltd Volume and tone control in direct digital speakers
US7492297B2 (en) 2006-08-11 2009-02-17 Realtek Semiconductor Corp. Digital-to-analog converter and method thereof
JP4844306B2 (ja) 2006-09-07 2011-12-28 ヤマハ株式会社 アレイスピーカ装置
EP2117117B1 (en) 2006-12-27 2016-08-10 Sharp Kabushiki Kaisha Modulation digital-analog converter, digital signal processing method, and av device
JP4805177B2 (ja) 2007-01-31 2011-11-02 シャープ株式会社 ディジタルアンプ、および、ディジタルアンプの制御方法
JP4882773B2 (ja) 2007-02-05 2012-02-22 ソニー株式会社 信号処理装置、信号処理方法
JP5439707B2 (ja) 2007-03-02 2014-03-12 ソニー株式会社 信号処理装置、信号処理方法
US20110051954A1 (en) 2008-01-29 2011-03-03 Audioasics A/S Signal conditioner with suppression of interfering signals
US7656337B2 (en) 2008-03-31 2010-02-02 Linear Technology Corporation Method and system for bit polarization coding
US7710300B2 (en) 2008-04-03 2010-05-04 Broadcom Corporation Segmented data shuffler apparatus for a digital to analog converter (DAC)
WO2009127086A1 (en) * 2008-04-18 2009-10-22 Zoran Corporation Audio signal amplifier for karaoke player
JP5552620B2 (ja) 2008-06-16 2014-07-16 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ デジタルスピーカー駆動装置と集中制御装置とを搭載した自動車
JP5324308B2 (ja) 2009-04-30 2013-10-23 三菱鉛筆株式会社 スピーカユニット
WO2010104112A1 (ja) 2009-03-11 2010-09-16 三菱鉛筆株式会社 スピーカユニット
EP2237424B1 (en) 2009-03-30 2013-02-27 Dialog Semiconductor GmbH Tri-level dynamic element matcher allowing reduced reference loading and DAC element reduction
US8098718B2 (en) 2009-07-01 2012-01-17 Qualcomm Incorporated Apparatus and methods for digital-to-analog conversion with vector quantization
JP5568752B2 (ja) 2009-12-09 2014-08-13 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ 選択装置
CN103096217B (zh) 2009-12-16 2016-09-28 株式会社特瑞君思半导体 音响系统
CN101986721B (zh) 2010-10-22 2014-07-09 苏州上声电子有限公司 全数字式扬声器装置
JP2012227589A (ja) 2011-04-15 2012-11-15 Clarion Co Ltd デジタルスピーカーシステム
CN103167380B (zh) 2011-12-13 2015-09-09 中国科学院声学研究所 一种数字化超指向性扬声器系统
JP2013157972A (ja) 2012-02-01 2013-08-15 Onkyo Corp デジタルスピーカー装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014083981A1 (ja) * 2012-11-28 2014-06-05 クラリオン株式会社 デジタルスピーカーシステム、及び、デジタルスピーカーシステムの結線方法

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J301 Trial decision

Free format text: TRIAL NUMBER: 2015101006723; TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20151113

Effective date: 20160831

PJ1301 Trial decision

Patent event code: PJ13011S01D

Patent event date: 20160831

Comment text: Trial Decision on Objection to Decision on Refusal

Appeal kind category: Appeal against decision to decline refusal

Request date: 20151113

Decision date: 20160831

Appeal identifier: 2015101006723