ATE356467T1 - Systeme und verfahren zur bereitstellung von mehrkanal-pulsbreitemoduliertem audio mit versetzten ausgängen - Google Patents

Systeme und verfahren zur bereitstellung von mehrkanal-pulsbreitemoduliertem audio mit versetzten ausgängen

Info

Publication number
ATE356467T1
ATE356467T1 AT04752051T AT04752051T ATE356467T1 AT E356467 T1 ATE356467 T1 AT E356467T1 AT 04752051 T AT04752051 T AT 04752051T AT 04752051 T AT04752051 T AT 04752051T AT E356467 T1 ATE356467 T1 AT E356467T1
Authority
AT
Austria
Prior art keywords
channels
systems
methods
channel
pulse width
Prior art date
Application number
AT04752051T
Other languages
English (en)
Inventor
Jack B Andersen
Wilson E Taylor
Original Assignee
D2Audio Corp
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 US10/805,590 external-priority patent/US7729790B1/en
Application filed by D2Audio Corp filed Critical D2Audio Corp
Application granted granted Critical
Publication of ATE356467T1 publication Critical patent/ATE356467T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Stereophonic System (AREA)
AT04752051T 2003-05-12 2004-05-12 Systeme und verfahren zur bereitstellung von mehrkanal-pulsbreitemoduliertem audio mit versetzten ausgängen ATE356467T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46964003P 2003-05-12 2003-05-12
US10/805,590 US7729790B1 (en) 2003-03-21 2004-03-19 Phase alignment of audio output data in a multi-channel configuration

Publications (1)

Publication Number Publication Date
ATE356467T1 true ATE356467T1 (de) 2007-03-15

Family

ID=33457152

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04752051T ATE356467T1 (de) 2003-05-12 2004-05-12 Systeme und verfahren zur bereitstellung von mehrkanal-pulsbreitemoduliertem audio mit versetzten ausgängen

Country Status (5)

Country Link
EP (1) EP1623501B1 (de)
JP (1) JP4358860B2 (de)
AT (1) ATE356467T1 (de)
DE (1) DE602004005178T2 (de)
WO (1) WO2004102792A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4882353B2 (ja) * 2004-12-28 2012-02-22 ヤマハ株式会社 パルス幅変調増幅器
DE102006006083B4 (de) * 2006-02-09 2014-09-04 Infineon Technologies Ag Vorrichtung und Verfahren zur Pulsweitenmodulation
JP5141182B2 (ja) * 2007-10-24 2013-02-13 ヤマハ株式会社 信号生成装置およびｄ級増幅装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56136008A (en) * 1980-03-28 1981-10-23 Pioneer Electronic Corp Pulse-width modulating and amplifying circuit
JPH0715248A (ja) * 1993-06-22 1995-01-17 Fujitsu Ten Ltd デジタルアンプ
JP3715069B2 (ja) * 1996-04-24 2005-11-09 ヤマハ株式会社 楽音信号合成方法および装置ならびに記録媒体
JP3620352B2 (ja) * 1999-07-12 2005-02-16 横河電機株式会社 多チャンネルｐｗｍデジタル・アナログコンバータ
JP2001127562A (ja) * 1999-10-25 2001-05-11 Susumu Kimura Ｐｗｍ電力増幅器
US6429737B1 (en) * 2000-07-06 2002-08-06 Stmicroelectronics, Inc. Method and apparatus for multi-channel digital amplification

Also Published As

Publication number Publication date
WO2004102792A1 (en) 2004-11-25
DE602004005178D1 (de) 2007-04-19
JP4358860B2 (ja) 2009-11-04
EP1623501A1 (de) 2006-02-08
DE602004005178T2 (de) 2007-11-22
JP2006528475A (ja) 2006-12-14
EP1623501B1 (de) 2007-03-07

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Legal Events

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