CN108540888B - 一种改进的耳机降噪***及其降噪方法 - Google Patents
一种改进的耳机降噪***及其降噪方法 Download PDFInfo
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- CN108540888B CN108540888B CN201810511153.0A CN201810511153A CN108540888B CN 108540888 B CN108540888 B CN 108540888B CN 201810511153 A CN201810511153 A CN 201810511153A CN 108540888 B CN108540888 B CN 108540888B
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- 238000000034 method Methods 0.000 title claims description 10
- 230000001629 suppression Effects 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000004458 analytical method Methods 0.000 claims abstract description 17
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- 238000000638 solvent extraction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000011946 reduction process Methods 0.000 abstract description 2
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- 230000033228 biological regulation Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
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CN201810511153.0A CN108540888B (zh) | 2018-05-24 | 2018-05-24 | 一种改进的耳机降噪***及其降噪方法 |
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CN201810511153.0A CN108540888B (zh) | 2018-05-24 | 2018-05-24 | 一种改进的耳机降噪***及其降噪方法 |
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CN108540888A CN108540888A (zh) | 2018-09-14 |
CN108540888B true CN108540888B (zh) | 2020-12-18 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104703093A (zh) * | 2013-12-09 | 2015-06-10 | ***通信集团公司 | 一种音频输出方法及装置 |
CN106535022A (zh) * | 2016-12-07 | 2017-03-22 | 北京工业大学 | 一种带均衡器的具有功放功能的耳机降噪电路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5056157B2 (ja) * | 2007-05-18 | 2012-10-24 | ソニー株式会社 | ノイズ低減回路 |
CN201425835Y (zh) * | 2009-06-19 | 2010-03-17 | 深圳市同洲电子股份有限公司 | 一种手机噪音消除装置 |
CN102737646A (zh) * | 2012-06-21 | 2012-10-17 | 佛山市瀚芯电子科技有限公司 | 单一麦克风的实时动态语音降噪方法 |
CN103634439B (zh) * | 2012-08-21 | 2016-12-21 | 佛山市爱翔电器有限公司 | 降噪处理*** |
US9900708B2 (en) * | 2013-12-27 | 2018-02-20 | Gn Hearing A/S | Hearing instrument with switchable power supply voltage |
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2018
- 2018-05-24 CN CN201810511153.0A patent/CN108540888B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104703093A (zh) * | 2013-12-09 | 2015-06-10 | ***通信集团公司 | 一种音频输出方法及装置 |
CN106535022A (zh) * | 2016-12-07 | 2017-03-22 | 北京工业大学 | 一种带均衡器的具有功放功能的耳机降噪电路 |
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Effective date of registration: 20201130 Address after: No.21, shangrenbang middle, panjiabang village, Xincheng Town, Xiuzhou District, Jiaxing City, Zhejiang Province, 314000 Applicant after: Jiaxing Hengyi Safety Service Co.,Ltd. Address before: 071000 holiday resort 15-1-101, Baoding, Hebei Applicant before: Han Xue |
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Effective date of registration: 20230905 Address after: No. 358 Xingping Third Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province, 314299 Patentee after: PINGHU HUARUI GLASS Co.,Ltd. Address before: 314000 No.21, shangrenbang middle, panjiabang village, Xincheng Town, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Hengyi Safety Service Co.,Ltd. |
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Denomination of invention: An improved headphone noise reduction system and its noise reduction method Granted publication date: 20201218 Pledgee: Jiaxing Bank Co.,Ltd. Pinghu Branch Pledgor: PINGHU HUARUI GLASS Co.,Ltd. Registration number: Y2024980023412 |
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