CN102007777B - 用于声音换能器的驱动信号的生成 - Google Patents
用于声音换能器的驱动信号的生成 Download PDFInfo
- Publication number
- CN102007777B CN102007777B CN200980112640.9A CN200980112640A CN102007777B CN 102007777 B CN102007777 B CN 102007777B CN 200980112640 A CN200980112640 A CN 200980112640A CN 102007777 B CN102007777 B CN 102007777B
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- low frequency
- frequency signal
- dynamic range
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- 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
- H04R2430/03—Synergistic effects of band splitting and sub-band processing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08154257 | 2008-04-09 | ||
| EP08154257.3 | 2008-04-09 | ||
| PCT/IB2009/051406 WO2009125326A1 (en) | 2008-04-09 | 2009-04-03 | Generation of a drive signal for sound transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102007777A CN102007777A (zh) | 2011-04-06 |
| CN102007777B true CN102007777B (zh) | 2014-08-20 |
Family
ID=40690324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980112640.9A Expired - Fee Related CN102007777B (zh) | 2008-04-09 | 2009-04-03 | 用于声音换能器的驱动信号的生成 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8934643B2 (enExample) |
| EP (1) | EP2266326B1 (enExample) |
| JP (1) | JP5337865B2 (enExample) |
| KR (1) | KR101542731B1 (enExample) |
| CN (1) | CN102007777B (enExample) |
| WO (1) | WO2009125326A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5602309B2 (ja) * | 2010-08-18 | 2014-10-08 | ドルビー ラボラトリーズ ライセンシング コーポレイション | オーディオ信号の臨界周波数帯域における歪みを制御する方法とシステム |
| WO2013102799A1 (en) * | 2012-01-06 | 2013-07-11 | Sony Ericsson Mobile Communications Ab | Smart automatic audio recording leveler |
| US20130287203A1 (en) * | 2012-04-27 | 2013-10-31 | Plantronics, Inc. | Reduction of Loudspeaker Distortion for Improved Acoustic Echo Cancellation |
| US9247342B2 (en) | 2013-05-14 | 2016-01-26 | James J. Croft, III | Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output |
| US9813812B2 (en) * | 2014-12-12 | 2017-11-07 | Analog Devices Global | Method of controlling diaphragm excursion of electrodynamic loudspeakers |
| US9565505B2 (en) * | 2015-06-17 | 2017-02-07 | Intel IP Corporation | Loudspeaker cone excursion estimation using reference signal |
| US9748915B2 (en) * | 2015-09-23 | 2017-08-29 | Harris Corporation | Electronic device with threshold based compression and related devices and methods |
| EP3244628B1 (en) | 2016-05-13 | 2019-02-20 | Flexound Systems OY | Enhanced sound perception via regulated vibration |
| CN108781330B (zh) * | 2016-05-25 | 2020-04-28 | 华为技术有限公司 | 音频信号处理阶段、音频信号处理装置和音频信号处理方法 |
| US10374566B2 (en) * | 2016-07-29 | 2019-08-06 | Maxim Integrated Products, Inc. | Perceptual power reduction system and method |
| US10504538B2 (en) * | 2017-06-01 | 2019-12-10 | Sorenson Ip Holdings, Llc | Noise reduction by application of two thresholds in each frequency band in audio signals |
| CN110799936B (zh) * | 2017-08-18 | 2024-05-03 | Oppo广东移动通信有限公司 | 音量调节方法、装置、终端设备及存储介质 |
| US10225654B1 (en) * | 2017-09-07 | 2019-03-05 | Cirrus Logic, Inc. | Speaker distortion reduction |
| US12096189B2 (en) * | 2019-04-01 | 2024-09-17 | Bose Corporation | Dynamic headroom management |
| CN115567831A (zh) * | 2021-06-30 | 2023-01-03 | 华为技术有限公司 | 一种提升扬声器的音质的方法及装置 |
| FR3133111B1 (fr) * | 2022-02-28 | 2024-10-11 | Faurecia Clarion Electronics Europe | Procédé et système d’amélioration du rendu sonore des basses fréquences d’un signal audio |
| JP7698719B2 (ja) * | 2023-03-31 | 2025-06-25 | エーエーシー テクノロジーズ (ナンジン) カンパニーリミテッド | 駆動信号の生成システムおよび方法 |
| CN116320895A (zh) * | 2023-03-31 | 2023-06-23 | 瑞声科技(南京)有限公司 | 驱动信号的生成系统和方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853442A (zh) * | 2003-09-16 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 音频频率范围的自适应 |
| CN1877988A (zh) * | 2005-06-06 | 2006-12-13 | 雅马哈株式会社 | 声音质量调节装置 |
| WO2007054888A2 (en) * | 2005-11-10 | 2007-05-18 | Koninklijke Philips Electronics N.V. | Device for and method of generating a vibration source-driving-signal |
| CN101061744A (zh) * | 2004-01-13 | 2007-10-24 | 皇家飞利浦电子股份有限公司 | 音频信号的增强 |
| CN101375629A (zh) * | 2006-01-27 | 2009-02-25 | 皇家飞利浦电子股份有限公司 | 用于使音频信号适配于换能器单元的设备和方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8300468A (nl) * | 1983-02-08 | 1984-09-03 | Philips Nv | Digitale dynamiek omzetter. |
| US5706356A (en) * | 1996-05-01 | 1998-01-06 | Walden; Gaylord K. | Audio processor |
| TW343417B (en) * | 1996-05-08 | 1998-10-21 | Philips Eloctronics N V | Circuit, audio system and method for processing signals, and a harmonics generator |
| US6868163B1 (en) * | 1998-09-22 | 2005-03-15 | Becs Technology, Inc. | Hearing aids based on models of cochlear compression |
| US20020126861A1 (en) * | 2001-03-12 | 2002-09-12 | Chester Colby | Audio expander |
| JP2004166033A (ja) * | 2002-11-14 | 2004-06-10 | Victor Co Of Japan Ltd | オーディオ・エフェクタ回路 |
| JP2005175674A (ja) * | 2003-12-09 | 2005-06-30 | Nec Corp | 信号圧縮伸張装置および携帯通信端末装置 |
| US8045731B2 (en) * | 2005-06-06 | 2011-10-25 | Yamaha Corporation | Sound quality adjustment device |
| CN101297588A (zh) | 2005-10-24 | 2008-10-29 | 皇家飞利浦电子股份有限公司 | 音频数据处理装置和方法 |
| US20080069385A1 (en) * | 2006-09-18 | 2008-03-20 | Revitronix | Amplifier and Method of Amplification |
| JP2008085412A (ja) * | 2006-09-26 | 2008-04-10 | Sony Corp | オーディオ再生装置 |
| JP4923939B2 (ja) * | 2006-10-18 | 2012-04-25 | ソニー株式会社 | オーディオ再生装置 |
| KR101310231B1 (ko) * | 2007-01-18 | 2013-09-25 | 삼성전자주식회사 | 저음 증강 장치 및 방법 |
-
2009
- 2009-04-03 JP JP2011503527A patent/JP5337865B2/ja not_active Expired - Fee Related
- 2009-04-03 CN CN200980112640.9A patent/CN102007777B/zh not_active Expired - Fee Related
- 2009-04-03 EP EP09730978.5A patent/EP2266326B1/en not_active Not-in-force
- 2009-04-03 KR KR1020107024885A patent/KR101542731B1/ko not_active Expired - Fee Related
- 2009-04-03 WO PCT/IB2009/051406 patent/WO2009125326A1/en not_active Ceased
- 2009-04-03 US US12/935,955 patent/US8934643B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853442A (zh) * | 2003-09-16 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 音频频率范围的自适应 |
| CN101061744A (zh) * | 2004-01-13 | 2007-10-24 | 皇家飞利浦电子股份有限公司 | 音频信号的增强 |
| CN1877988A (zh) * | 2005-06-06 | 2006-12-13 | 雅马哈株式会社 | 声音质量调节装置 |
| WO2007054888A2 (en) * | 2005-11-10 | 2007-05-18 | Koninklijke Philips Electronics N.V. | Device for and method of generating a vibration source-driving-signal |
| CN101375629A (zh) * | 2006-01-27 | 2009-02-25 | 皇家飞利浦电子股份有限公司 | 用于使音频信号适配于换能器单元的设备和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102007777A (zh) | 2011-04-06 |
| JP5337865B2 (ja) | 2013-11-06 |
| EP2266326A1 (en) | 2010-12-29 |
| JP2011517909A (ja) | 2011-06-16 |
| KR20110002469A (ko) | 2011-01-07 |
| WO2009125326A1 (en) | 2009-10-15 |
| KR101542731B1 (ko) | 2015-08-07 |
| EP2266326B1 (en) | 2017-08-16 |
| US8934643B2 (en) | 2015-01-13 |
| US20110044471A1 (en) | 2011-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20190403 |