TW200629719A - Sound card having feedback calibration loop - Google Patents

Sound card having feedback calibration loop

Info

Publication number
TW200629719A
TW200629719A TW094131142A TW94131142A TW200629719A TW 200629719 A TW200629719 A TW 200629719A TW 094131142 A TW094131142 A TW 094131142A TW 94131142 A TW94131142 A TW 94131142A TW 200629719 A TW200629719 A TW 200629719A
Authority
TW
Taiwan
Prior art keywords
sound card
amplifier
voltage
input
feedback connection
Prior art date
Application number
TW094131142A
Other languages
English (en)
Inventor
Joseph M Kahan
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of TW200629719A publication Critical patent/TW200629719A/zh

Links

Classifications

    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
TW094131142A 2004-09-22 2005-09-09 Sound card having feedback calibration loop TW200629719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/947,086 US20060062407A1 (en) 2004-09-22 2004-09-22 Sound card having feedback calibration loop

Publications (1)

Publication Number Publication Date
TW200629719A true TW200629719A (en) 2006-08-16

Family

ID=36074016

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094131142A TW200629719A (en) 2004-09-22 2005-09-09 Sound card having feedback calibration loop

Country Status (3)

Country Link
US (2) US20060062407A1 (zh)
CN (1) CN100334540C (zh)
TW (1) TW200629719A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060062407A1 (en) * 2004-09-22 2006-03-23 Kahan Joseph M Sound card having feedback calibration loop
JP5173032B2 (ja) 2008-11-03 2013-03-27 ブリュエル アンド ケアー サウンド アンド ヴァイブレーション メジャーメント エー／エス デジタル・キャリブレーション・ジェネレータを用いた試験システム
US8660676B2 (en) * 2009-10-16 2014-02-25 Microsoft Corporation Mitigating the impact of nonlinear echos by dynamic range compression
CN111522382A (zh) * 2020-04-30 2020-08-11 深圳市十盏灯科技有限责任公司 直播声卡电压输出控制方法及其结构

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702970A (en) * 1971-02-24 1972-11-14 Western Electric Co System and method for determining the maximum output voltage swing on operational amplifiers
US5239693A (en) * 1990-10-31 1993-08-24 Motorola, Inc. Amplifier level-setting apparatus
GB2287595B (en) * 1994-03-09 1997-03-05 Motorola Ltd Method for amplitude training in a linear power amplifier
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
US6272465B1 (en) * 1994-11-02 2001-08-07 Legerity, Inc. Monolithic PC audio circuit
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
CN1147646A (zh) * 1995-10-10 1997-04-16 致伸实业股份有限公司 可外接传声器的电脑控制装置
US5715369A (en) * 1995-11-27 1998-02-03 Microsoft Corporation Single processor programmable speech recognition test system
US5899969A (en) * 1997-10-17 1999-05-04 Dolby Laboratories Licensing Corporation Frame-based audio coding with gain-control words
US6112170A (en) * 1998-06-26 2000-08-29 Lsi Logic Corporation Method for decompressing linear PCM and AC3 encoded audio gain value
US20030091180A1 (en) * 1998-12-23 2003-05-15 Patrik Sorqvist Adaptive signal gain controller, system, and method
US6687663B1 (en) * 1999-06-25 2004-02-03 Lake Technology Limited Audio processing method and apparatus
CN1171142C (zh) * 1999-11-15 2004-10-13 威盛电子股份有限公司 主机板上的可编程音质控制电路
US6405164B1 (en) * 1999-12-30 2002-06-11 Engineering Consortium, Inc. Audio compression circuit and method
US6351733B1 (en) * 2000-03-02 2002-02-26 Hearing Enhancement Company, Llc Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
US6651040B1 (en) * 2000-05-31 2003-11-18 International Business Machines Corporation Method for dynamic adjustment of audio input gain in a speech system
AT410597B (de) * 2000-12-04 2003-06-25 Vatter Acoustic Technologies V Verfahren, computersystem und computerprodukt zur messung akustischer raumeigenschaften
JP2003283644A (ja) * 2002-03-22 2003-10-03 Toshiba Digital Media Engineering Corp 拡声用アダプタおよび拡声用通信装置
AU2003280460A1 (en) * 2002-06-26 2004-01-19 Fingersteps, Inc. Method and apparatus for composing and performing music
US6805633B2 (en) 2002-08-07 2004-10-19 Bally Gaming, Inc. Gaming machine with automatic sound level adjustment and method therefor
US20060062407A1 (en) * 2004-09-22 2006-03-23 Kahan Joseph M Sound card having feedback calibration loop

Also Published As

Publication number Publication date
US20060062407A1 (en) 2006-03-23
US8130981B2 (en) 2012-03-06
CN100334540C (zh) 2007-08-29
CN1752922A (zh) 2006-03-29
US20080165990A1 (en) 2008-07-10

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