JP2011142697A5 - - Google Patents

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Publication number
JP2011142697A5
JP2011142697A5 JP2011097483A JP2011097483A JP2011142697A5 JP 2011142697 A5 JP2011142697 A5 JP 2011142697A5 JP 2011097483 A JP2011097483 A JP 2011097483A JP 2011097483 A JP2011097483 A JP 2011097483A JP 2011142697 A5 JP2011142697 A5 JP 2011142697A5
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JP
Japan
Prior art keywords
deviation
value
values
audio input
load
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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.)
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Application number
JP2011097483A
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English (en)
Japanese (ja)
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JP5342599B2 (ja
JP2011142697A (ja
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Publication date
Priority claimed from US09/638,465 external-priority patent/US6498531B1/en
Application filed filed Critical
Publication of JP2011142697A publication Critical patent/JP2011142697A/ja
Publication of JP2011142697A5 publication Critical patent/JP2011142697A5/ja
Application granted granted Critical
Publication of JP5342599B2 publication Critical patent/JP5342599B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2011097483A 2000-08-14 2011-04-25 デジタルｄ級オーディオ増幅器 Expired - Fee Related JP5342599B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/638,465 US6498531B1 (en) 2000-08-14 2000-08-14 Digital class-D audio amplifier
US09/638,465 2000-08-14

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2002520407A Division JP4841800B2 (ja) 2000-08-14 2001-08-03 デジタルｄ級オーディオ増幅器

Publications (3)

Publication Number Publication Date
JP2011142697A JP2011142697A (ja) 2011-07-21
JP2011142697A5 true JP2011142697A5 (enExample) 2011-09-01
JP5342599B2 JP5342599B2 (ja) 2013-11-13

Family

ID=24560146

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2002520407A Expired - Fee Related JP4841800B2 (ja) 2000-08-14 2001-08-03 デジタルｄ級オーディオ増幅器
JP2011097483A Expired - Fee Related JP5342599B2 (ja) 2000-08-14 2011-04-25 デジタルｄ級オーディオ増幅器

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2002520407A Expired - Fee Related JP4841800B2 (ja) 2000-08-14 2001-08-03 デジタルｄ級オーディオ増幅器

Country Status (7)

Country Link
US (1) US6498531B1 (enExample)
EP (1) EP1310041B1 (enExample)
JP (2) JP4841800B2 (enExample)
KR (1) KR100847075B1 (enExample)
AT (1) ATE380409T1 (enExample)
DE (1) DE60131755T2 (enExample)
WO (1) WO2002015393A2 (enExample)

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US7706545B2 (en) * 2003-03-21 2010-04-27 D2Audio Corporation Systems and methods for protection of audio amplifier circuits
DE602004013940D1 (de) * 2003-03-21 2008-07-03 D2Audio Corp Systeme und verfahren zum schutz von audioverstärkerschaltungen
US7590251B2 (en) * 2003-03-21 2009-09-15 D2Audio Corporation Clip detection in PWM amplifier
US7929718B1 (en) 2003-05-12 2011-04-19 D2Audio Corporation Systems and methods for switching and mixing signals in a multi-channel amplifier
US7515072B2 (en) 2003-09-25 2009-04-07 International Rectifier Corporation Method and apparatus for converting PCM to PWM
KR100609266B1 (ko) * 2003-11-03 2006-08-04 삼성전자주식회사 폴트 감지 방법 및 이를 수행하기 위한 회로, 폴트에 따른파워앰프 회로 보호 방법 및 폴트를 감지하는 파워 앰프
US7135922B2 (en) * 2004-01-07 2006-11-14 Altec Lansing Technologies, Inc. Power supply rejection for pulse width modulated amplifiers and automatic gain control
WO2005109631A1 (en) * 2004-05-10 2005-11-17 Koninklijke Philips Electronics N.V. Overcurrent limiting method and device
US7286010B2 (en) 2006-01-26 2007-10-23 D2Audio Corporation Systems and methods for over-current protection
CN101379698B (zh) * 2006-02-07 2012-04-18 D2音频有限公司 用于提高数字放大器中的反馈和/或前馈子系统的稳定性的系统和方法
US7957489B2 (en) * 2006-02-17 2011-06-07 Canon Kabushiki Kaisha Digital amplifier and television receiving apparatus
US7400191B2 (en) 2006-04-07 2008-07-15 Manuel De Jesus Rodriguez Switching power amplifier
FR2905774A1 (fr) * 2006-09-08 2008-03-14 Shaktiware Soc Par Actions Sim Generateur de tension programmable
US7576604B2 (en) * 2006-12-15 2009-08-18 Bin Xu All-digital class-D audio amplifier
US7391346B1 (en) 2007-02-05 2008-06-24 Sigmatel, Inc. Switching amplifier system and method
US7705672B1 (en) 2007-02-12 2010-04-27 Manuel De Jesus Rodriguez Buck converters as power amplifier
KR100855685B1 (ko) * 2007-04-02 2008-09-03 주식회사 디엠비테크놀로지 다이렉트 디지털 ｄ급 증폭기를 이용한 오디오 시스템
US8081028B2 (en) * 2007-12-31 2011-12-20 Intersil Americas Inc. Systems and methods for improved over-current clipping
EP2096753B1 (en) * 2008-02-29 2011-11-30 STMicroelectronics (Grenoble) SAS Switching amplifier
CN102037642A (zh) * 2008-05-21 2011-04-27 硅实验室公司 Pwm开关放大器的预测性反馈补偿
US20100188136A1 (en) * 2009-01-27 2010-07-29 Rockford Corporation Dynamic thermal management system and method
KR20110036371A (ko) 2009-10-01 2011-04-07 삼성전자주식회사 오디오 증폭기
US8391514B2 (en) 2010-06-14 2013-03-05 Parametric Sound Corporation Parametric transducer systems and related methods
KR101871360B1 (ko) * 2011-03-09 2018-06-26 삼성전자주식회사 오디오 신호 출력 방법 및 그에 따른 오디오 신호 출력 장치
US8421535B2 (en) * 2011-08-08 2013-04-16 Adamson Systems Engineering Inc. Method and apparatus for reducing distortion in Class D amplifier
ITRM20110609A1 (it) * 2011-11-17 2013-05-18 St Ericsson Sa Digital class-d amplifier and digital signal processing method
WO2013106596A1 (en) * 2012-01-10 2013-07-18 Parametric Sound Corporation Amplification systems, carrier tracking systems and related methods for use in parametric sound systems
US8958580B2 (en) 2012-04-18 2015-02-17 Turtle Beach Corporation Parametric transducers and related methods
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
NL2016605B1 (en) 2016-04-14 2017-11-02 Axign B V Digital audio converter and amplifier controller.
CN108718198B (zh) * 2018-08-07 2023-11-03 上海艾为电子技术股份有限公司 一种数字模拟转换器

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JPS58157221A (ja) * 1982-03-13 1983-09-19 Nippon Gakki Seizo Kk パルス幅変調回路
JPS593611U (ja) * 1982-06-29 1984-01-11 ヤマハ株式会社 パルス幅変調増幅回路
US4683439A (en) * 1986-01-09 1987-07-28 Honeywell Inc. Digitally driven switching power amplifier system
US5406284A (en) 1992-12-31 1995-04-11 Monolith Technologies Corporation Methods and apparatus for the quantization and analog conversion of digital signals
US5610553A (en) * 1993-03-02 1997-03-11 Kirn; Larry Switching amplifier with impedance transformation output stage
JPH06303049A (ja) * 1993-04-14 1994-10-28 Mitsubishi Electric Corp Ｐｗｍ増幅器
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JP2002171140A (ja) * 2000-12-01 2002-06-14 Mitsubishi Electric Corp オーディオ信号増幅出力回路

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