CN102457239A - 一种增益控制***及方法 - Google Patents
一种增益控制***及方法 Download PDFInfo
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- CN102457239A CN102457239A CN2010105285752A CN201010528575A CN102457239A CN 102457239 A CN102457239 A CN 102457239A CN 2010105285752 A CN2010105285752 A CN 2010105285752A CN 201010528575 A CN201010528575 A CN 201010528575A CN 102457239 A CN102457239 A CN 102457239A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005236 sound signal Effects 0.000 claims abstract description 7
- 238000002203 pretreatment Methods 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 9
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- 230000009123 feedback regulation Effects 0.000 claims description 4
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Abstract
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设置值 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
增益(倍) | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 |
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CN102457239A true CN102457239A (zh) | 2012-05-16 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103312284A (zh) * | 2013-05-07 | 2013-09-18 | 毛秀允 | 软件方法实现复杂的硬件录音自动增益控制的方法 |
CN105048978A (zh) * | 2014-04-25 | 2015-11-11 | 美国亚德诺半导体公司 | 放大器输入保护的装置和方法 |
WO2017113946A1 (zh) * | 2015-12-30 | 2017-07-06 | 努比亚技术有限公司 | 音频处理装置和方法 |
CN107566952A (zh) * | 2016-07-01 | 2018-01-09 | 北京小米移动软件有限公司 | 音频信号处理方法及装置 |
CN110650410A (zh) * | 2019-09-11 | 2020-01-03 | 厦门亿联网络技术股份有限公司 | 一种麦克风自动增益控制方法、装置及存储介质 |
CN111243616A (zh) * | 2020-01-09 | 2020-06-05 | 广西民族大学 | 一种基于自动增益的恒定音量输出方法 |
CN113709626A (zh) * | 2021-08-04 | 2021-11-26 | Oppo广东移动通信有限公司 | 音频录制方法、装置、存储介质以及计算机设备 |
CN114023357A (zh) * | 2021-11-02 | 2022-02-08 | 星宸科技股份有限公司 | 录音方法及音频处理电路 |
TWI827997B (zh) * | 2021-11-03 | 2024-01-01 | 大陸商星宸科技股份有限公司 | 錄音方法及積體電路 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4191995A (en) * | 1979-01-02 | 1980-03-04 | Bell Telephone Laboratories, Incorporated | Digital automatic gain control circuit |
US4213097A (en) * | 1978-10-19 | 1980-07-15 | Racal-Milgo, Inc. | Hybrid automatic gain control circuit |
GB2229333A (en) * | 1989-03-16 | 1990-09-19 | Taldat Ltd | Automatic gain control devices |
US20060089813A1 (en) * | 2004-10-15 | 2006-04-27 | Genesis Microchip Inc. | Hybrid automatic gain control (AGC) |
CN1819452A (zh) * | 2006-03-30 | 2006-08-16 | 北京中星微电子有限公司 | 一种适应语音输入距离变化的方法及其装置 |
-
2010
- 2010-11-02 CN CN201010528575.2A patent/CN102457239B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4213097A (en) * | 1978-10-19 | 1980-07-15 | Racal-Milgo, Inc. | Hybrid automatic gain control circuit |
US4191995A (en) * | 1979-01-02 | 1980-03-04 | Bell Telephone Laboratories, Incorporated | Digital automatic gain control circuit |
GB2229333A (en) * | 1989-03-16 | 1990-09-19 | Taldat Ltd | Automatic gain control devices |
US20060089813A1 (en) * | 2004-10-15 | 2006-04-27 | Genesis Microchip Inc. | Hybrid automatic gain control (AGC) |
CN1819452A (zh) * | 2006-03-30 | 2006-08-16 | 北京中星微电子有限公司 | 一种适应语音输入距离变化的方法及其装置 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103312284A (zh) * | 2013-05-07 | 2013-09-18 | 毛秀允 | 软件方法实现复杂的硬件录音自动增益控制的方法 |
CN105048978A (zh) * | 2014-04-25 | 2015-11-11 | 美国亚德诺半导体公司 | 放大器输入保护的装置和方法 |
CN105048978B (zh) * | 2014-04-25 | 2018-07-31 | 美国亚德诺半导体公司 | 放大器输入保护的装置和方法 |
WO2017113946A1 (zh) * | 2015-12-30 | 2017-07-06 | 努比亚技术有限公司 | 音频处理装置和方法 |
CN107566952A (zh) * | 2016-07-01 | 2018-01-09 | 北京小米移动软件有限公司 | 音频信号处理方法及装置 |
CN107566952B (zh) * | 2016-07-01 | 2020-10-13 | 北京小米移动软件有限公司 | 音频信号处理方法及装置 |
CN110650410A (zh) * | 2019-09-11 | 2020-01-03 | 厦门亿联网络技术股份有限公司 | 一种麦克风自动增益控制方法、装置及存储介质 |
CN111243616A (zh) * | 2020-01-09 | 2020-06-05 | 广西民族大学 | 一种基于自动增益的恒定音量输出方法 |
CN113709626A (zh) * | 2021-08-04 | 2021-11-26 | Oppo广东移动通信有限公司 | 音频录制方法、装置、存储介质以及计算机设备 |
CN114023357A (zh) * | 2021-11-02 | 2022-02-08 | 星宸科技股份有限公司 | 录音方法及音频处理电路 |
CN114023357B (zh) * | 2021-11-02 | 2023-02-03 | 星宸科技股份有限公司 | 录音方法及音频处理电路 |
TWI827997B (zh) * | 2021-11-03 | 2024-01-01 | 大陸商星宸科技股份有限公司 | 錄音方法及積體電路 |
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CN102457239B (zh) | 2014-06-04 |
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Denomination of invention: Gain control system and method Effective date of registration: 20171102 Granted publication date: 20140604 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Registration number: 2017990001008 |
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Date of cancellation: 20181227 Granted publication date: 20140604 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Registration number: 2017990001008 |
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Denomination of invention: Gain control system and method Effective date of registration: 20190130 Granted publication date: 20140604 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Registration number: 2019440000051 |
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Address after: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 518000 Patentee after: Guangzhou Ankai Microelectronics Co.,Ltd. Address before: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 518000 Patentee before: ANYKA (GUANGZHOU) MICROELECTRONICS TECHNOLOGY Co.,Ltd. |
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Address after: 510555 No. 107 Bowen Road, Huangpu District, Guangzhou, Guangdong Patentee after: Guangzhou Ankai Microelectronics Co.,Ltd. Address before: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 518000 Patentee before: Guangzhou Ankai Microelectronics Co.,Ltd. |
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