CN113329294A - 一种音频控制芯片及耳机 - Google Patents
一种音频控制芯片及耳机 Download PDFInfo
- Publication number
- CN113329294A CN113329294A CN202110601366.4A CN202110601366A CN113329294A CN 113329294 A CN113329294 A CN 113329294A CN 202110601366 A CN202110601366 A CN 202110601366A CN 113329294 A CN113329294 A CN 113329294A
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- CN
- China
- Prior art keywords
- switch
- circuit
- control chip
- audio control
- capacitor
- Prior art date
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000003321 amplification Effects 0.000 claims abstract description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 37
- 230000009466 transformation Effects 0.000 claims description 9
- 230000001131 transforming effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110601366.4A CN113329294B (zh) | 2021-05-31 | 2021-05-31 | 一种音频控制芯片及耳机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110601366.4A CN113329294B (zh) | 2021-05-31 | 2021-05-31 | 一种音频控制芯片及耳机 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113329294A true CN113329294A (zh) | 2021-08-31 |
CN113329294B CN113329294B (zh) | 2024-03-22 |
Family
ID=77422772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110601366.4A Active CN113329294B (zh) | 2021-05-31 | 2021-05-31 | 一种音频控制芯片及耳机 |
Country Status (1)
Country | Link |
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CN (1) | CN113329294B (zh) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6388514B1 (en) * | 1998-12-23 | 2002-05-14 | International Rectifier Corporation | Class D high voltage amplifier system with adaptive power supply |
US20030035554A1 (en) * | 2001-08-17 | 2003-02-20 | Pulsus Technologies | Pulse width modulation type audio amplifier having variable average switching frequency |
US6762645B1 (en) * | 1996-06-21 | 2004-07-13 | The University Of Bristol | Low power audio device |
US20070222522A1 (en) * | 2006-03-10 | 2007-09-27 | Portal Player, Inc | Method and apparatus for efficient load biasing |
CN101350598A (zh) * | 2007-07-19 | 2009-01-21 | 展讯通信(上海)有限公司 | 双路反馈单电源音频功率放大器 |
CN101465599A (zh) * | 2007-12-21 | 2009-06-24 | 立锜科技股份有限公司 | 电荷泵降压电路与方法 |
JP2010130136A (ja) * | 2008-11-26 | 2010-06-10 | Rohm Co Ltd | オーディオ信号処理回路およびチャージポンプ回路の制御方法 |
CN101809862A (zh) * | 2007-08-03 | 2010-08-18 | 沃福森微电子股份有限公司 | 放大器电路 |
US8093951B1 (en) * | 2009-04-14 | 2012-01-10 | Cirrus Logic, Inc. | Pulse-width modulated (PWM) audio power amplifier having output signal magnitude controlled pulse voltage and switching frequency |
US20130129117A1 (en) * | 2011-11-21 | 2013-05-23 | Henrik Thomsen | Audio amplification circuit |
CN103296982A (zh) * | 2012-02-27 | 2013-09-11 | 无锡华润矽科微电子有限公司 | D类音频功率放大电路中实现自适应功能的电路结构 |
CN106953608A (zh) * | 2016-01-06 | 2017-07-14 | 昱盛电子股份有限公司 | 功率放大装置 |
-
2021
- 2021-05-31 CN CN202110601366.4A patent/CN113329294B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6762645B1 (en) * | 1996-06-21 | 2004-07-13 | The University Of Bristol | Low power audio device |
US6388514B1 (en) * | 1998-12-23 | 2002-05-14 | International Rectifier Corporation | Class D high voltage amplifier system with adaptive power supply |
US20030035554A1 (en) * | 2001-08-17 | 2003-02-20 | Pulsus Technologies | Pulse width modulation type audio amplifier having variable average switching frequency |
US20070222522A1 (en) * | 2006-03-10 | 2007-09-27 | Portal Player, Inc | Method and apparatus for efficient load biasing |
CN101350598A (zh) * | 2007-07-19 | 2009-01-21 | 展讯通信(上海)有限公司 | 双路反馈单电源音频功率放大器 |
CN101809862A (zh) * | 2007-08-03 | 2010-08-18 | 沃福森微电子股份有限公司 | 放大器电路 |
CN101465599A (zh) * | 2007-12-21 | 2009-06-24 | 立锜科技股份有限公司 | 电荷泵降压电路与方法 |
JP2010130136A (ja) * | 2008-11-26 | 2010-06-10 | Rohm Co Ltd | オーディオ信号処理回路およびチャージポンプ回路の制御方法 |
US8093951B1 (en) * | 2009-04-14 | 2012-01-10 | Cirrus Logic, Inc. | Pulse-width modulated (PWM) audio power amplifier having output signal magnitude controlled pulse voltage and switching frequency |
US20130129117A1 (en) * | 2011-11-21 | 2013-05-23 | Henrik Thomsen | Audio amplification circuit |
CN103296982A (zh) * | 2012-02-27 | 2013-09-11 | 无锡华润矽科微电子有限公司 | D类音频功率放大电路中实现自适应功能的电路结构 |
CN106953608A (zh) * | 2016-01-06 | 2017-07-14 | 昱盛电子股份有限公司 | 功率放大装置 |
Also Published As
Publication number | Publication date |
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CN113329294B (zh) | 2024-03-22 |
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Address after: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Applicant after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: HEAD-DIRECT (KUNSHAN) Co.,Ltd. |
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CB02 | Change of applicant information |
Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Applicant before: Kunshan Haifeiman Technology Group Co.,Ltd. |
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