CN106454679A - 扬声器振膜状态估计方法及应用其的扬声器驱动电路 - Google Patents
扬声器振膜状态估计方法及应用其的扬声器驱动电路 Download PDFInfo
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- CN106454679A CN106454679A CN201611033206.XA CN201611033206A CN106454679A CN 106454679 A CN106454679 A CN 106454679A CN 201611033206 A CN201611033206 A CN 201611033206A CN 106454679 A CN106454679 A CN 106454679A
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- China
- Prior art keywords
- loudspeaker
- vibrating diaphragm
- displacement
- diaphragm
- estimate
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
-
- 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
- H04R3/007—Protection circuits for transducers
-
- 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
- H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Electromagnetism (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (8)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611033206.XA CN106454679B (zh) | 2016-11-17 | 2016-11-17 | 扬声器振膜状态估计方法及应用其的扬声器驱动电路 |
TW106113139A TWI647960B (zh) | 2016-11-17 | 2017-04-19 | Speaker diaphragm state estimation method and speaker driving circuit using same |
US15/800,406 US10051394B2 (en) | 2016-11-17 | 2017-11-01 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same |
US16/002,068 US10356541B2 (en) | 2016-11-17 | 2018-06-07 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611033206.XA CN106454679B (zh) | 2016-11-17 | 2016-11-17 | 扬声器振膜状态估计方法及应用其的扬声器驱动电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106454679A true CN106454679A (zh) | 2017-02-22 |
CN106454679B CN106454679B (zh) | 2019-05-21 |
Family
ID=58221498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611033206.XA Active CN106454679B (zh) | 2016-11-17 | 2016-11-17 | 扬声器振膜状态估计方法及应用其的扬声器驱动电路 |
Country Status (3)
Country | Link |
---|---|
US (2) | US10051394B2 (zh) |
CN (1) | CN106454679B (zh) |
TW (1) | TWI647960B (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108513221A (zh) * | 2018-05-18 | 2018-09-07 | 钰太芯微电子科技(上海)有限公司 | 一种智能音频放大系统 |
CN109089190A (zh) * | 2018-10-26 | 2018-12-25 | Oppo广东移动通信有限公司 | 阻抗曲线确定方法、装置、存储介质及终端设备 |
CN109495820A (zh) * | 2018-12-07 | 2019-03-19 | 武汉市聚芯微电子有限责任公司 | 扬声器振膜的振幅调节方法及系统 |
WO2019191910A1 (zh) * | 2018-04-03 | 2019-10-10 | 华为技术有限公司 | 一种扬声器、终端及扬声器控制方法 |
CN110431854A (zh) * | 2017-03-14 | 2019-11-08 | 三菱电机株式会社 | 音频信号处理装置 |
CN111836163A (zh) * | 2019-04-23 | 2020-10-27 | 奥音科技(北京)有限公司 | 用于改善电动声换能器的驱动力函数的方法和电子电路 |
CN112528473A (zh) * | 2020-11-30 | 2021-03-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | 确定马达非线性参数的方法、装置、设备和存储介质 |
CN114390406A (zh) * | 2020-10-16 | 2022-04-22 | 华为技术有限公司 | 一种控制扬声器振膜位移的方法及装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112511960B (zh) * | 2020-11-26 | 2022-05-27 | 广东小天才科技有限公司 | 一种扬声器振膜的位置调整方法、装置及存储介质 |
CN113873387A (zh) * | 2021-10-25 | 2021-12-31 | 深圳千岸科技股份有限公司 | 一种基于耳机终端的音量调节方法及系统 |
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CN1951148A (zh) * | 2004-03-19 | 2007-04-18 | 诺基亚公司 | 用于限制扬声器位移的系统 |
WO2007115358A1 (en) * | 2006-04-10 | 2007-10-18 | Immersion Technology Property Limited | An electrostatic loudspeaker |
CN102158793A (zh) * | 2011-04-02 | 2011-08-17 | 嘉兴中科声学科技有限公司 | 一种使用激光传感器测量扬声器参数的方法及系统 |
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JP2001169384A (ja) * | 1999-12-10 | 2001-06-22 | Pioneer Electronic Corp | スピーカシステム |
TWI221196B (en) * | 2001-09-06 | 2004-09-21 | Tokyo Electron Ltd | Impedance measuring circuit, its method, and electrostatic capacitance measuring circuit |
US20040086140A1 (en) * | 2002-11-06 | 2004-05-06 | Fedigan Stephen John | Apparatus and method for driving an audio speaker |
US8401207B2 (en) * | 2009-03-31 | 2013-03-19 | Harman International Industries, Incorporated | Motional feedback system |
EP2355542B1 (en) * | 2010-02-04 | 2012-09-12 | Nxp B.V. | Control of a loudspeaker output |
JP2011242370A (ja) | 2010-05-21 | 2011-12-01 | Renesas Electronics Corp | インピーダンス検出回路及びインピーダンス検出回路の調整方法 |
FR2995167B1 (fr) * | 2012-08-30 | 2014-11-14 | Parrot | Procede de traitement d'un signal audio avec modelisation de la reponse globale du haut-parleur electrodynamique |
US9729986B2 (en) * | 2012-11-07 | 2017-08-08 | Fairchild Semiconductor Corporation | Protection of a speaker using temperature calibration |
US9648432B2 (en) * | 2013-07-23 | 2017-05-09 | Analog Devices Global | Method of controlling sound reproduction of enclosure mounted loudspeakers |
US9980068B2 (en) * | 2013-11-06 | 2018-05-22 | Analog Devices Global | Method of estimating diaphragm excursion of a loudspeaker |
EP3066844A1 (en) * | 2013-11-06 | 2016-09-14 | Danmarks Tekniske Universitet | Loudspeaker assembly with suppression of magnetic flux modulation distortion |
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TW201526669A (zh) * | 2013-12-31 | 2015-07-01 | Richtek Technology Corp | 揚聲器的驅動訊號的產生裝置及方法 |
TWI535304B (zh) * | 2014-01-23 | 2016-05-21 | 立錡科技股份有限公司 | 揚聲器的磁力強度參數的偵測裝置及方法 |
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CN104640053A (zh) * | 2015-01-19 | 2015-05-20 | 矽力杰半导体技术(杭州)有限公司 | 扬声器的直流阻抗检测方法、电路以及d类音频放大器 |
CN105530586B (zh) * | 2015-12-25 | 2018-11-02 | 矽力杰半导体技术(杭州)有限公司 | 扬声器振膜的保护方法和扬声器控制装置 |
TWI587711B (zh) * | 2016-03-15 | 2017-06-11 | 瑞昱半導體股份有限公司 | 揚聲器之振膜偏移量的計算裝置、計算方法及揚聲器的控制方法 |
US10165361B2 (en) * | 2016-05-31 | 2018-12-25 | Avago Technologies International Sales Pte. Limited | System and method for loudspeaker protection |
CN106068007B (zh) * | 2016-06-07 | 2019-09-13 | 瑞声科技(新加坡)有限公司 | 扬声器非线性系统辨识方法 |
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2016
- 2016-11-17 CN CN201611033206.XA patent/CN106454679B/zh active Active
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2017
- 2017-04-19 TW TW106113139A patent/TWI647960B/zh active
- 2017-11-01 US US15/800,406 patent/US10051394B2/en active Active
-
2018
- 2018-06-07 US US16/002,068 patent/US10356541B2/en active Active
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CN1951148A (zh) * | 2004-03-19 | 2007-04-18 | 诺基亚公司 | 用于限制扬声器位移的系统 |
WO2007115358A1 (en) * | 2006-04-10 | 2007-10-18 | Immersion Technology Property Limited | An electrostatic loudspeaker |
CN102158793A (zh) * | 2011-04-02 | 2011-08-17 | 嘉兴中科声学科技有限公司 | 一种使用激光传感器测量扬声器参数的方法及系统 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110431854A (zh) * | 2017-03-14 | 2019-11-08 | 三菱电机株式会社 | 音频信号处理装置 |
CN110431854B (zh) * | 2017-03-14 | 2021-01-12 | 三菱电机株式会社 | 音频信号处理装置 |
WO2019191910A1 (zh) * | 2018-04-03 | 2019-10-10 | 华为技术有限公司 | 一种扬声器、终端及扬声器控制方法 |
US11388519B2 (en) | 2018-04-03 | 2022-07-12 | Honor Device Co., Ltd. | Speaker, terminal, and speaker control method |
CN108513221A (zh) * | 2018-05-18 | 2018-09-07 | 钰太芯微电子科技(上海)有限公司 | 一种智能音频放大系统 |
CN108513221B (zh) * | 2018-05-18 | 2024-01-16 | 钰太芯微电子科技(上海)有限公司 | 一种智能音频放大系统 |
CN109089190A (zh) * | 2018-10-26 | 2018-12-25 | Oppo广东移动通信有限公司 | 阻抗曲线确定方法、装置、存储介质及终端设备 |
CN109089190B (zh) * | 2018-10-26 | 2021-05-18 | Oppo广东移动通信有限公司 | 阻抗曲线确定方法、装置、存储介质及终端设备 |
CN109495820A (zh) * | 2018-12-07 | 2019-03-19 | 武汉市聚芯微电子有限责任公司 | 扬声器振膜的振幅调节方法及系统 |
CN111836163A (zh) * | 2019-04-23 | 2020-10-27 | 奥音科技(北京)有限公司 | 用于改善电动声换能器的驱动力函数的方法和电子电路 |
CN114390406A (zh) * | 2020-10-16 | 2022-04-22 | 华为技术有限公司 | 一种控制扬声器振膜位移的方法及装置 |
CN114390406B (zh) * | 2020-10-16 | 2023-04-07 | 华为技术有限公司 | 一种控制扬声器振膜位移的方法及装置 |
CN112528473A (zh) * | 2020-11-30 | 2021-03-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | 确定马达非线性参数的方法、装置、设备和存储介质 |
WO2022110413A1 (zh) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | 确定马达非线性参数的方法、装置、设备和存储介质 |
Also Published As
Publication number | Publication date |
---|---|
TW201820897A (zh) | 2018-06-01 |
TWI647960B (zh) | 2019-01-11 |
US10051394B2 (en) | 2018-08-14 |
US10356541B2 (en) | 2019-07-16 |
CN106454679B (zh) | 2019-05-21 |
US20180139552A1 (en) | 2018-05-17 |
US20180288544A1 (en) | 2018-10-04 |
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Effective date of registration: 20200304 Address after: 210042 302, Xuanwu Road, 7, Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, China, 7 Patentee after: Silergy Semiconductor Technology (Hangzhou) Ltd. Address before: 310012 room A1501, technology building, East Software Park, No. 90, Wensan Road, Hangzhou, Zhejiang Patentee before: Silergy Semiconductor Technology (Hangzhou) Ltd. |
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Address after: 210042 302, Xuanwu Road, 7, Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, China, 7 Patentee after: Nanjing Sili Microelectronics Technology Co., Ltd Address before: 210042 302, Xuanwu Road, 7, Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, China, 7 Patentee before: Silergy Semiconductor Technology (Hangzhou) Ltd. |