CN106331959B - 指向性传声器的降噪方法与装置 - Google Patents
指向性传声器的降噪方法与装置 Download PDFInfo
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- CN106331959B CN106331959B CN201610850058.4A CN201610850058A CN106331959B CN 106331959 B CN106331959 B CN 106331959B CN 201610850058 A CN201610850058 A CN 201610850058A CN 106331959 B CN106331959 B CN 106331959B
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- 238000000034 method Methods 0.000 title claims abstract description 185
- 230000008569 process Effects 0.000 claims abstract description 148
- 230000004044 response Effects 0.000 claims abstract description 80
- 230000003044 adaptive effect Effects 0.000 claims abstract description 34
- 230000009467 reduction Effects 0.000 claims abstract description 23
- 238000007493 shaping process Methods 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 23
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- 238000004364 calculation method Methods 0.000 claims description 5
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- 230000003111 delayed effect Effects 0.000 description 6
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- 230000000694 effects Effects 0.000 description 4
- 102000008482 12E7 Antigen Human genes 0.000 description 2
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Classifications
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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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610850058.4A CN106331959B (zh) | 2016-09-26 | 2016-09-26 | 指向性传声器的降噪方法与装置 |
Applications Claiming Priority (1)
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CN201610850058.4A CN106331959B (zh) | 2016-09-26 | 2016-09-26 | 指向性传声器的降噪方法与装置 |
Publications (2)
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CN106331959A CN106331959A (zh) | 2017-01-11 |
CN106331959B true CN106331959B (zh) | 2019-10-25 |
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CN201610850058.4A Active CN106331959B (zh) | 2016-09-26 | 2016-09-26 | 指向性传声器的降噪方法与装置 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1700306A (zh) * | 2004-05-18 | 2005-11-23 | 中国科学院声学研究所 | 一种自适应谷点降噪方法及系统 |
JP2007235943A (ja) * | 2006-03-01 | 2007-09-13 | Harman Becker Automotive Systems Gmbh | 音声信号取得のためのハンドフリーシステム |
CN102074245A (zh) * | 2011-01-05 | 2011-05-25 | 瑞声声学科技(深圳)有限公司 | 基于双麦克风语音增强装置及语音增强方法 |
CN103219012A (zh) * | 2013-04-23 | 2013-07-24 | 中国人民解放军总后勤部军需装备研究所 | 一种基于声源距离的双麦克风噪声消除方法及装置 |
CN103503477A (zh) * | 2011-04-01 | 2014-01-08 | 伯斯有限公司 | 使用成对传声器抑制噪声 |
-
2016
- 2016-09-26 CN CN201610850058.4A patent/CN106331959B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1700306A (zh) * | 2004-05-18 | 2005-11-23 | 中国科学院声学研究所 | 一种自适应谷点降噪方法及系统 |
JP2007235943A (ja) * | 2006-03-01 | 2007-09-13 | Harman Becker Automotive Systems Gmbh | 音声信号取得のためのハンドフリーシステム |
CN102074245A (zh) * | 2011-01-05 | 2011-05-25 | 瑞声声学科技(深圳)有限公司 | 基于双麦克风语音增强装置及语音增强方法 |
CN103503477A (zh) * | 2011-04-01 | 2014-01-08 | 伯斯有限公司 | 使用成对传声器抑制噪声 |
CN103219012A (zh) * | 2013-04-23 | 2013-07-24 | 中国人民解放军总后勤部军需装备研究所 | 一种基于声源距离的双麦克风噪声消除方法及装置 |
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CN106331959A (zh) | 2017-01-11 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20190924 Address after: 361009 second, 2 building, aide Aviation Industrial Park, 12 South Road, Xiamen, Fujian. Applicant after: Ousda Hearing Technology (Xiamen) Co., Ltd. Address before: 361008, a building 302-A01, building 32, torch East Road, Huli District, Fujian, Xiamen Applicant before: XIAMEN LAA MEDICAL DEVICES CO., LTD. |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 361006 room 3013a, Xuanye building, Chuangyuan, torch high tech Zone, Xiamen City, Fujian Province Patentee after: Ousda Hearing Technology (Xiamen) Co., Ltd. Address before: 361009 second, 2 building, aide Aviation Industrial Park, 12 South Road, Xiamen, Fujian. Patentee before: Ousda Hearing Technology (Xiamen) Co., Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Noise reduction method and device of directional microphone Effective date of registration: 20210608 Granted publication date: 20191025 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: AUSTAR HEARING SCIENCE & TECHNOLOGY (XIAMEN) Co.,Ltd. Registration number: Y2021980004493 |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 361000 floor 3, building B8, biomedical industrial park, No. 2064, wengjiao West Road, Haicang District, Xiamen City, Fujian Province Patentee after: AUSTAR HEARING SCIENCE & TECHNOLOGY (XIAMEN) Co.,Ltd. Address before: 361006 room 3013a, Xuanye building, Pioneer Park, torch hi tech Zone, Xiamen City, Fujian Province Patentee before: AUSTAR HEARING SCIENCE & TECHNOLOGY (XIAMEN) Co.,Ltd. |