CN101350593B - 一种pop噪音抑制电路 - Google Patents
一种pop噪音抑制电路 Download PDFInfo
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- CN101350593B CN101350593B CN2008100458936A CN200810045893A CN101350593B CN 101350593 B CN101350593 B CN 101350593B CN 2008100458936 A CN2008100458936 A CN 2008100458936A CN 200810045893 A CN200810045893 A CN 200810045893A CN 101350593 B CN101350593 B CN 101350593B
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- amplifier
- switch
- pop noise
- resistance element
- control signal
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008100458936A CN101350593B (zh) | 2008-08-26 | 2008-08-26 | 一种pop噪音抑制电路 |
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CN2008100458936A CN101350593B (zh) | 2008-08-26 | 2008-08-26 | 一种pop噪音抑制电路 |
Publications (2)
Publication Number | Publication Date |
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CN101350593A CN101350593A (zh) | 2009-01-21 |
CN101350593B true CN101350593B (zh) | 2010-12-08 |
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CN2008100458936A Expired - Fee Related CN101350593B (zh) | 2008-08-26 | 2008-08-26 | 一种pop噪音抑制电路 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101742381A (zh) * | 2009-11-23 | 2010-06-16 | 北京中星微电子有限公司 | 一种降噪驱动电路及方法 |
CN101835071B (zh) * | 2010-03-31 | 2013-07-03 | 惠州市德赛西威汽车电子有限公司 | 一种音响噪音控制电路 |
CN101986668B (zh) * | 2010-09-03 | 2014-11-26 | 深圳市中兴移动通信有限公司 | 一种消除双模手机耳机通话中pop音的电路及方法 |
CN102572629A (zh) * | 2010-12-10 | 2012-07-11 | 炬力集成电路设计有限公司 | 一种抑制耳机中pop声的电路和耳机 |
CN102572642B (zh) * | 2010-12-14 | 2014-12-10 | 联芯科技有限公司 | 音频pop音的消除方法及耳机音频电路 |
CN107370466A (zh) * | 2011-09-16 | 2017-11-21 | 意法半导体研发(深圳)有限公司 | 放大电路 |
CN102547528A (zh) * | 2012-01-04 | 2012-07-04 | 深圳市宽宏科技有限公司 | 开机瞬间静音电路 |
CN103248985B (zh) * | 2012-02-03 | 2015-12-09 | 安凯(广州)微电子技术有限公司 | 一种带隔离直电容的音频功放杂音抑制电路 |
CN103402157B (zh) * | 2013-08-02 | 2016-09-28 | 昆腾微电子股份有限公司 | 音频电路、音频***及消除pop噪声的方法 |
CN111464917B (zh) | 2017-04-28 | 2022-04-22 | 华为技术有限公司 | 一种pop音的抑制方法、音频输出电路和终端 |
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CN101350593A (zh) | 2009-01-21 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI WANDEKAI INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: IPGOAL MICROELECTRONICS (SICHUAN) CO., LTD. Effective date: 20120718 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610041 CHENGDU, SICHUAN PROVINCE TO: 201699 SONGJIANG, SHANGHAI |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120718 Address after: 201699, 1-10, Lane 2100, loose steam Road, Lake Rock Town, Shanghai, Shanghai, Songjiang District Patentee after: Shenzhen WDK Technology Co., Ltd. Address before: 409 room 7, building 610041, incubator Park, hi tech Zone, Sichuan, Chengdu Patentee before: IPGoal Microelectronics (Sichuan) Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20200826 |