PT2445228T - Dispositivo de sistema de altifalantes totalmente digital - Google Patents

Dispositivo de sistema de altifalantes totalmente digital

Info

Publication number
PT2445228T
PT2445228T PT11185977T PT11185977T PT2445228T PT 2445228 T PT2445228 T PT 2445228T PT 11185977 T PT11185977 T PT 11185977T PT 11185977 T PT11185977 T PT 11185977T PT 2445228 T PT2445228 T PT 2445228T
Authority
PT
Portugal
Prior art keywords
system device
speaker system
digital speaker
digital
speaker
Prior art date
Application number
PT11185977T
Other languages
English (en)
Inventor
Ma Dengyong
Yang Jun
Zhou Jianming
Chai Guoqiang
Original Assignee
Suzhou Sonavox Electronics Co Ltd
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 Suzhou Sonavox Electronics Co Ltd filed Critical Suzhou Sonavox Electronics Co Ltd
Publication of PT2445228T publication Critical patent/PT2445228T/pt

Links

Classifications

    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/46—Analogue/digital converters using delta-sigma modulation as an intermediate step using a combination of at least one delta-sigma modulator in series with at least one analogue/digital converter of a different type

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
PT11185977T 2010-10-22 2011-10-20 Dispositivo de sistema de altifalantes totalmente digital PT2445228T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010515427.7A CN101986721B (zh) 2010-10-22 2010-10-22 全数字式扬声器装置

Publications (1)

Publication Number Publication Date
PT2445228T true PT2445228T (pt) 2018-11-09

Family

ID=43711021

Family Applications (1)

Application Number Title Priority Date Filing Date
PT11185977T PT2445228T (pt) 2010-10-22 2011-10-20 Dispositivo de sistema de altifalantes totalmente digital

Country Status (7)

Country Link
US (1) US8620005B2 (pt)
EP (1) EP2445228B1 (pt)
JP (1) JP5828596B2 (pt)
CN (1) CN101986721B (pt)
ES (1) ES2691634T3 (pt)
PT (1) PT2445228T (pt)
WO (1) WO2012051776A1 (pt)

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WO2007135928A1 (ja) 2006-05-21 2007-11-29 Trigence Semiconductor, Inc. デジタルアナログ変換装置
JP5552614B2 (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，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
CN102474266B (zh) 2009-12-09 2015-06-24 株式会社特瑞君思半导体 选择装置
EP2515555A4 (en) 2009-12-16 2013-08-28 Trigence Semiconductor Inc ACOUSTIC SYSTEM
US9084048B1 (en) 2010-06-17 2015-07-14 Shindig, Inc. Audio systems and methods employing an array of transducers optimized for particular sound frequencies
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
CN102404673B (zh) * 2011-11-24 2013-12-18 苏州上声电子有限公司 数字化扬声器系统通道均衡与声场控制方法和装置
CN103152673B (zh) * 2011-12-07 2015-07-08 中国科学院声学研究所 基于四元码动态失配整形的数字扬声器驱动方法和装置
CN102684701B (zh) * 2012-04-27 2014-07-09 苏州上声电子有限公司 基于编码转换的数字扬声器驱动方法和装置
US10070211B2 (en) 2013-06-28 2018-09-04 Kopin Corporation Digital voice processing method and system for headset computer
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
CN104215268A (zh) * 2014-07-07 2014-12-17 中国电子科技集团公司第四十一研究所 一种激光旋转编码信号硬件六倍插值方法
EP3079375A1 (en) * 2015-04-10 2016-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Differential sound reproduction
CN104967948B (zh) * 2015-06-16 2019-03-26 苏州茹声电子有限公司 基于调幅和调相的数字扬声器驱动方法和装置
CN114390400A (zh) * 2020-10-19 2022-04-22 深圳市欧思数码科技有限公司 一种应用于Soc芯片中全数字信号耳机放大器

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GB9506725D0 (en) 1995-03-31 1995-05-24 Hooley Anthony Improvements in or relating to loudspeakers
US6441688B1 (en) * 2000-08-18 2002-08-27 Motorola, Inc. Single-to-differential buffer amplifier
DE60119476T2 (de) * 2000-10-26 2006-11-23 Fujitsu Ltd., Kawasaki Segmentierte Schaltungsanordnung
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US6992606B2 (en) * 2003-07-09 2006-01-31 Texas Instruments Incorporated Method and circuit for multi-standard sigma-delta modulator
US7472048B2 (en) * 2004-02-02 2008-12-30 Trimble Navigation Limited Direct digital drive audio system and method
CN1797959B (zh) * 2004-12-23 2012-06-27 凌阳科技股份有限公司 可消除失真的△-∑脉冲宽度调变的播音装置
EP1866741B1 (en) * 2005-03-31 2009-07-15 Nxp B.V. Canonical signed digit multiplier
JP4636926B2 (ja) * 2005-04-22 2011-02-23 三洋電機株式会社 マルチビットδς変調型ｄａコンバータ
WO2007135928A1 (ja) * 2006-05-21 2007-11-29 Trigence Semiconductor, Inc. デジタルアナログ変換装置
JP4815624B2 (ja) * 2007-10-05 2011-11-16 ルネサスエレクトロニクス株式会社 Ｄ／ａコンバータ
JP5552614B2 (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，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
JP5141450B2 (ja) * 2008-08-28 2013-02-13 ヤマハ株式会社 デジタル入力型ｄ級増幅器
CN101409560B (zh) * 2008-11-26 2011-05-11 苏州顺芯半导体有限公司 数模转换器中爆破噪声的消除装置及方法
US8131386B2 (en) * 2009-06-15 2012-03-06 Elbex Video Ltd. Method and apparatus for simplified interconnection and control of audio components of an home automation system

Also Published As

Publication number Publication date
JP5828596B2 (ja) 2015-12-09
WO2012051776A1 (zh) 2012-04-26
JP2013543715A (ja) 2013-12-05
EP2445228B1 (en) 2018-09-19
ES2691634T3 (es) 2018-11-28
US20120099740A1 (en) 2012-04-26
CN101986721A (zh) 2011-03-16
EP2445228A3 (en) 2015-08-26
EP2445228A2 (en) 2012-04-25
CN101986721B (zh) 2014-07-09
US8620005B2 (en) 2013-12-31

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