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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Japan
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signal
frequency
low frequency
amplitude
frequency signal
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JP2011503527A
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Japanese (ja)
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JP2011517909A5 (enExample
JP2011517909A (ja
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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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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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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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CN104025192B (zh) * 2012-01-06 2018-12-18 索尼移动通信株式会社 智能自动音频录制调平器
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
EP3671430A4 (en) * 2017-08-18 2020-08-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. VOLUME ADJUSTMENT METHOD AND APPARATUS, TERMINAL DEVICE AND INFORMATION CARRIER
US10225654B1 (en) * 2017-09-07 2019-03-05 Cirrus Logic, Inc. Speaker distortion reduction
CN113812170B (zh) * 2019-04-01 2024-10-22 伯斯有限公司 动态余量管理
CN115567831B (zh) 2021-06-30 2026-03-20 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
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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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
JP4682137B2 (ja) * 2003-09-16 2011-05-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ周波数レンジ適応
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
EP1707027B1 (en) * 2004-01-13 2008-04-09 Koninklijke Philips Electronics N.V. Audio signal enhancement
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
RU2008120641A (ru) 2005-10-24 2009-12-10 Конинклейке Филипс Электроникс Н.В. (Nl) Устройство и способ для обработки звуковых данных
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
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

Also Published As

Publication number Publication date
EP2266326A1 (en) 2010-12-29
KR20110002469A (ko) 2011-01-07
KR101542731B1 (ko) 2015-08-07
JP2011517909A (ja) 2011-06-16
US20110044471A1 (en) 2011-02-24
US8934643B2 (en) 2015-01-13
WO2009125326A1 (en) 2009-10-15
EP2266326B1 (en) 2017-08-16
CN102007777A (zh) 2011-04-06
CN102007777B (zh) 2014-08-20

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