JP5337865B2 - 音声トランスデューサに対する駆動信号の生成 - Google Patents

音声トランスデューサに対する駆動信号の生成 Download PDF

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Publication number
JP5337865B2
JP5337865B2 JP2011503527A JP2011503527A JP5337865B2 JP 5337865 B2 JP5337865 B2 JP 5337865B2 JP 2011503527 A JP2011503527 A JP 2011503527A JP 2011503527 A JP2011503527 A JP 2011503527A JP 5337865 B2 JP5337865 B2 JP 5337865B2
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signal
frequency
low frequency
amplitude
frequency signal
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Japanese (ja)
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JP2011517909A (ja
JP2011517909A5 (enExample
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ロナルダス エム アーツ
トーマス ピー ジェイ ピータース
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NXP BV
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NXP BV
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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
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2011503527A 2008-04-09 2009-04-03 音声トランスデューサに対する駆動信号の生成 Expired - Fee Related JP5337865B2 (ja)

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 (3)

Publication Number Publication Date
JP2011517909A JP2011517909A (ja) 2011-06-16
JP2011517909A5 JP2011517909A5 (enExample) 2012-05-24
JP5337865B2 true JP5337865B2 (ja) 2013-11-06

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JP2011503527A Expired - Fee Related JP5337865B2 (ja) 2008-04-09 2009-04-03 音声トランスデューサに対する駆動信号の生成

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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)

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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

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US5706356A (en) * 1996-05-01 1998-01-06 Walden; Gaylord K. Audio processor
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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
WO2005027568A1 (en) 2003-09-16 2005-03-24 Koninklijke Philips Electronics N.V. Audio frequency range adaptation
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
ATE392116T1 (de) * 2004-01-13 2008-04-15 Koninkl Philips Electronics Nv Audiosignal-verbesserung
JP4161983B2 (ja) * 2005-06-06 2008-10-08 ヤマハ株式会社 音質調整装置
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
JP5627852B2 (ja) * 2005-11-10 2014-11-19 コーニンクレッカ フィリップス エヌ ヴェ 振動源駆動信号の発生装置及び発生方法
US20100226508A1 (en) * 2006-01-27 2010-09-09 Koninklijke Philips Electronics N.V. Device and method for adapting an audio signal to a transducer unit
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KR101310231B1 (ko) * 2007-01-18 2013-09-25 삼성전자주식회사 저음 증강 장치 및 방법

Also Published As

Publication number Publication date
CN102007777A (zh) 2011-04-06
CN102007777B (zh) 2014-08-20
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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