NL1026088A1 - Sound signal generating device and method for reducing pop noise. - Google Patents

Sound signal generating device and method for reducing pop noise.

Info

Publication number
NL1026088A1
NL1026088A1 NL1026088A NL1026088A NL1026088A1 NL 1026088 A1 NL1026088 A1 NL 1026088A1 NL 1026088 A NL1026088 A NL 1026088A NL 1026088 A NL1026088 A NL 1026088A NL 1026088 A1 NL1026088 A1 NL 1026088A1
Authority
NL
Netherlands
Prior art keywords
generating device
signal generating
sound signal
pop noise
reducing pop
Prior art date
Application number
NL1026088A
Other languages
Dutch (nl)
Other versions
NL1026088C2 (en
Inventor
Il-Joong Kim
Goog-Chun Cho
Original Assignee
Samsung 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
Priority claimed from KR1020030028174A external-priority patent/KR100604815B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NL1026088A1 publication Critical patent/NL1026088A1/en
Application granted granted Critical
Publication of NL1026088C2 publication Critical patent/NL1026088C2/en

Links

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NL1026088A 2003-05-02 2004-04-29 Sound signal generating device and method for reducing pop noise. NL1026088C2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20030028174 2003-05-02
KR1020030028174A KR100604815B1 (en) 2003-05-02 2003-05-02 Signal generating apparatus and signal generating method
US67283903 2003-09-26
US10/672,839 US6987418B2 (en) 2003-05-02 2003-09-26 Sound signal generating apparatus and method for reducing pop noise

Publications (2)

Publication Number Publication Date
NL1026088A1 true NL1026088A1 (en) 2004-11-03
NL1026088C2 NL1026088C2 (en) 2005-04-07

Family

ID=33422285

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1026088A NL1026088C2 (en) 2003-05-02 2004-04-29 Sound signal generating device and method for reducing pop noise.

Country Status (4)

Country Link
JP (1) JP2004336765A (en)
CN (1) CN1607721A (en)
DE (1) DE102004022354B4 (en)
NL (1) NL1026088C2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100618408B1 (en) 2005-05-17 2006-08-31 (주)펄서스 테크놀러지 Pulse width modulator for use in a digital amplifier, method for reducing pop noise in a digital amplifier and digital amplifier
JP2007166190A (en) * 2005-12-13 2007-06-28 Matsushita Electric Ind Co Ltd Class d amplifier
JP4513021B2 (en) 2005-12-28 2010-07-28 ソニー株式会社 Digital amplifier device and mute method for digital amplifier device
JP5056360B2 (en) * 2006-11-15 2012-10-24 セイコーエプソン株式会社 Class D amplifier control circuit, liquid ejecting apparatus, and printing apparatus
JP5230139B2 (en) 2007-08-07 2013-07-10 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー Audio signal processing device
JP5026488B2 (en) 2008-10-28 2012-09-12 旭化成エレクトロニクス株式会社 PWM signal generation circuit, class D amplifier, and driving method thereof
JP5776237B2 (en) * 2011-03-17 2015-09-09 セイコーエプソン株式会社 Capacitive load drive circuit and fluid ejection device
CN103379411A (en) * 2012-04-13 2013-10-30 立锜科技股份有限公司 Control device and method for decreasing transient signal of audio system in turning on and turning off
EP2658117B1 (en) * 2012-04-27 2014-08-20 Nxp B.V. Pop-noise reducing method for adjusting switching frequency or phase in a class-D amplifier
US9473861B1 (en) * 2015-09-16 2016-10-18 Semiconductor Components Industries, Llc Method of forming a semiconductor device and structure therefor
JP7119681B2 (en) * 2018-07-16 2022-08-17 株式会社デンソー Signal transmission device and drive device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0666592B2 (en) * 1989-11-30 1994-08-24 株式会社東芝 Power amplifier
JPH04281606A (en) * 1991-03-11 1992-10-07 Matsushita Electric Ind Co Ltd Pulse width modulation amplifier
JP2843728B2 (en) * 1992-12-25 1999-01-06 株式会社ケンウッド Pulse width modulation amplifier circuit
US5805020A (en) * 1996-06-27 1998-09-08 Harris Corporation Silent start class D amplifier
JP4003257B2 (en) * 1997-07-02 2007-11-07 松下電器産業株式会社 Pulse width modulation audio amplifier
JPH11346120A (en) * 1998-03-31 1999-12-14 Matsushita Electric Ind Co Ltd High efficiency power amplifier
US6118336A (en) * 1998-10-30 2000-09-12 Intersil Corporation Start-up circuit for self oscillating class D modulator
US6362683B1 (en) * 1999-07-29 2002-03-26 Tripath Technology, Inc. Break-before-make distortion compensation for a digital amplifier
EP1184973B1 (en) * 2000-08-29 2007-06-06 STMicroelectronics S.r.l. Power amplification equipment
JP2002344250A (en) * 2001-05-14 2002-11-29 Victor Co Of Japan Ltd Mos/fet power amplification circuit for audio
DE10255352B3 (en) * 2002-11-27 2004-02-12 Infineon Technologies Ag Correction of signal distortions in amplifier unit, operates pulse width modulator using variable frequency system clock

Also Published As

Publication number Publication date
DE102004022354A1 (en) 2004-11-25
NL1026088C2 (en) 2005-04-07
DE102004022354B4 (en) 2010-04-01
CN1607721A (en) 2005-04-20
JP2004336765A (en) 2004-11-25

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20041130

PD2B A search report has been drawn up
SD Assignments of patents

Owner name: SAMSUNG ELECTRONICS CO., LTD.

Owner name: DIGITAL AND ANALOG CO., LTD.

MK Patent expired because of reaching the maximum lifetime of a patent

Effective date: 20240428