JP4082712B2 - ダイナミックバスブースト装置および方法 - Google Patents

ダイナミックバスブースト装置および方法 Download PDF

Info

Publication number
JP4082712B2
JP4082712B2 JP2006526075A JP2006526075A JP4082712B2 JP 4082712 B2 JP4082712 B2 JP 4082712B2 JP 2006526075 A JP2006526075 A JP 2006526075A JP 2006526075 A JP2006526075 A JP 2006526075A JP 4082712 B2 JP4082712 B2 JP 4082712B2
Authority
JP
Japan
Prior art keywords
signal
filter
variable
band
signal level
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 - Lifetime
Application number
JP2006526075A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007505557A (ja
JP2007505557A5 (enExample
Inventor
ステファン， エル． マーティン，
グレゴリー， ビー． バーリンガム，
ジョン， アール． デヴィッド，
グレン， ジー． ロッジ，
Original Assignee
ボストン アコースティックス， インコーポレーティッド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ボストン アコースティックス， インコーポレーティッド filed Critical ボストン アコースティックス， インコーポレーティッド
Publication of JP2007505557A publication Critical patent/JP2007505557A/ja
Publication of JP2007505557A5 publication Critical patent/JP2007505557A5/ja
Application granted granted Critical
Publication of JP4082712B2 publication Critical patent/JP4082712B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/14—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
    • H03G9/16—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control incorporating negative feedback

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP2006526075A 2003-09-11 2004-07-29 ダイナミックバスブースト装置および方法 Expired - Lifetime JP4082712B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/660,447 US7171010B2 (en) 2003-09-11 2003-09-11 Dynamic bass boost apparatus and method
PCT/US2004/024532 WO2005036740A1 (en) 2003-09-11 2004-07-29 Dynamic bass boost apparatus and method

Publications (3)

Publication Number Publication Date
JP2007505557A JP2007505557A (ja) 2007-03-08
JP2007505557A5 JP2007505557A5 (enExample) 2007-08-30
JP4082712B2 true JP4082712B2 (ja) 2008-04-30

Family

ID=34273661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006526075A Expired - Lifetime JP4082712B2 (ja) 2003-09-11 2004-07-29 ダイナミックバスブースト装置および方法

Country Status (7)

Country Link
US (1) US7171010B2 (enExample)
EP (1) EP1665524B1 (enExample)
JP (1) JP4082712B2 (enExample)
CN (1) CN1879298A (enExample)
AT (1) ATE535054T1 (enExample)
CA (1) CA2538809C (enExample)
WO (1) WO2005036740A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7744143B2 (en) 2007-01-10 2010-06-29 Federal Mogul Powertrain Nonwoven panel and method of construction thereof

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7668321B2 (en) * 2003-06-17 2010-02-23 Texas Instruments Incorporated Automatic power foldback for audio applications
US7333618B2 (en) * 2003-09-24 2008-02-19 Harman International Industries, Incorporated Ambient noise sound level compensation
JP2005136647A (ja) * 2003-10-30 2005-05-26 New Japan Radio Co Ltd 低音ブースト回路
US20050213779A1 (en) * 2004-03-26 2005-09-29 Coats Elon R Methods and apparatus for audio signal equalization
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
US8788080B1 (en) 2006-09-12 2014-07-22 Sonos, Inc. Multi-channel pairing in a media system
US12167216B2 (en) 2006-09-12 2024-12-10 Sonos, Inc. Playback device pairing
US8483853B1 (en) 2006-09-12 2013-07-09 Sonos, Inc. Controlling and manipulating groupings in a multi-zone media system
US9202509B2 (en) 2006-09-12 2015-12-01 Sonos, Inc. Controlling and grouping in a multi-zone media system
US8189812B2 (en) * 2007-03-01 2012-05-29 Microsoft Corporation Bass boost filtering techniques
US8275152B2 (en) * 2007-09-21 2012-09-25 Microsoft Corporation Dynamic bass boost filter
US9319789B1 (en) * 2008-02-26 2016-04-19 Tc Group A/S Bass enhancement
US8204258B2 (en) * 2008-12-17 2012-06-19 Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America Multiband audio dynamics processor
US8194887B2 (en) * 2008-12-23 2012-06-05 Creative Technology Ltd. System and method for dynamic bass frequency control in association with a dynamic low frequency control circuit having compression control
CN101561635B (zh) * 2009-05-19 2012-07-25 上海微电子装备有限公司 双边驱动装置的定位控制系统与方法
US9818394B2 (en) * 2009-11-30 2017-11-14 Graeme Colin Fuller Realisation of controller transfer function for active noise cancellation
US20120051558A1 (en) * 2010-09-01 2012-03-01 Samsung Electronics Co., Ltd. Method and apparatus for reproducing audio signal by adaptively controlling filter coefficient
US8923997B2 (en) 2010-10-13 2014-12-30 Sonos, Inc Method and apparatus for adjusting a speaker system
JP5707963B2 (ja) * 2011-01-20 2015-04-30 ヤマハ株式会社 オーディオアンプ
US11429343B2 (en) 2011-01-25 2022-08-30 Sonos, Inc. Stereo playback configuration and control
US11265652B2 (en) 2011-01-25 2022-03-01 Sonos, Inc. Playback device pairing
US8791732B2 (en) * 2011-05-09 2014-07-29 Mediatek Inc. Phase locked loop
US9236837B2 (en) * 2011-08-25 2016-01-12 Infineon Technologies Ag System and method for low distortion capacitive signal source amplifier
US8811630B2 (en) 2011-12-21 2014-08-19 Sonos, Inc. Systems, methods, and apparatus to filter audio
US8638249B2 (en) 2012-04-16 2014-01-28 Infineon Technologies Ag System and method for high input capacitive signal amplifier
US9729115B2 (en) 2012-04-27 2017-08-08 Sonos, Inc. Intelligently increasing the sound level of player
US9008330B2 (en) 2012-09-28 2015-04-14 Sonos, Inc. Crossover frequency adjustments for audio speakers
CN103051301B (zh) * 2012-11-30 2015-07-29 青岛歌尔声学科技有限公司 一种低音增强器、低音增强方法以及发声设备
KR101573577B1 (ko) * 2013-10-08 2015-12-01 현대자동차주식회사 음원 출력 제어 장치 및 방법
US9226087B2 (en) 2014-02-06 2015-12-29 Sonos, Inc. Audio output balancing during synchronized playback
US9226073B2 (en) 2014-02-06 2015-12-29 Sonos, Inc. Audio output balancing during synchronized playback
US10248376B2 (en) 2015-06-11 2019-04-02 Sonos, Inc. Multiple groupings in a playback system
US9590580B1 (en) * 2015-09-13 2017-03-07 Guoguang Electric Company Limited Loudness-based audio-signal compensation
CN105491478A (zh) * 2015-12-30 2016-04-13 东莞爱乐电子科技有限公司 由电视声音的包络线控制音量的低音炮
WO2018026799A1 (en) 2016-08-01 2018-02-08 D&M Holdings, Inc. Soundbar having single interchangeable mounting surface and multi-directional audio output
US10034092B1 (en) 2016-09-22 2018-07-24 Apple Inc. Spatial headphone transparency
US10712997B2 (en) 2016-10-17 2020-07-14 Sonos, Inc. Room association based on name
WO2018075967A1 (en) * 2016-10-21 2018-04-26 Dts, Inc. Distortion sensing, prevention, and distortion-aware bass enhancement
CN107894943B (zh) * 2017-12-05 2021-02-26 深圳市东微智能科技股份有限公司 处理器中数据处理监听方法、装置、存储介质及其计算机设备
US10862446B2 (en) * 2018-04-02 2020-12-08 Sonos, Inc. Systems and methods of volume limiting
GB2583954A (en) * 2019-05-15 2020-11-18 Helm Audio Ltd Amplifier assembly and method of amplification particularly for portable device
US11166099B2 (en) * 2019-09-27 2021-11-02 Apple Inc. Headphone acoustic noise cancellation and speaker protection or dynamic user experience processing
US11361745B2 (en) 2019-09-27 2022-06-14 Apple Inc. Headphone acoustic noise cancellation and speaker protection
US11218805B2 (en) 2019-11-01 2022-01-04 Roku, Inc. Managing low frequencies of an output signal
US11355096B1 (en) 2020-09-16 2022-06-07 Apple Inc. Adaptive feedback processing for consistent headphone acoustic noise cancellation
US11206004B1 (en) 2020-09-16 2021-12-21 Apple Inc. Automatic equalization for consistent headphone playback
US11282382B1 (en) * 2020-12-22 2022-03-22 Waymo Llc Phase lock loop siren detection
US11688383B2 (en) 2021-08-27 2023-06-27 Apple Inc. Context aware compressor for headphone audio feedback path

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789313A (en) * 1972-05-23 1974-01-29 Inventronics Active filter circuits
DE2231647C3 (de) * 1972-06-23 1981-08-13 Hans-Heinz Dipl.-Ing. 1000 Berlin Dorsch Verstärkerschaltungsanordnung für Tonfrequenzen
US4327250A (en) * 1979-05-03 1982-04-27 Electro Audio Dynamics Inc. Dynamic speaker equalizer
US4429181A (en) * 1981-09-28 1984-01-31 David Dohan Audio system
US4490843A (en) * 1982-06-14 1984-12-25 Bose Corporation Dynamic equalizing
JPS6020609A (ja) * 1983-07-14 1985-02-01 Sanyo Electric Co Ltd 増幅器
US4750207A (en) * 1986-03-31 1988-06-07 Siemens Hearing Instruments, Inc. Hearing aid noise suppression system
US4696044A (en) * 1986-09-29 1987-09-22 Waller Jr James K Dynamic noise reduction with logarithmic control
US4739514A (en) * 1986-12-22 1988-04-19 Bose Corporation Automatic dynamic equalizing
US4829299A (en) * 1987-09-25 1989-05-09 Dolby Laboratories Licensing Corporation Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
US5170434A (en) * 1988-08-30 1992-12-08 Beltone Electronics Corporation Hearing aid with improved noise discrimination
JPH02118322U (enExample) * 1989-03-08 1990-09-21
US5331299A (en) * 1990-02-23 1994-07-19 Massachusetts Institute Of Technology Adaptive tracking notch filter system
JP2811928B2 (ja) * 1990-07-17 1998-10-15 日本電気株式会社 自動調整フィルタ
US5371803A (en) * 1990-08-31 1994-12-06 Bellsouth Corporation Tone reduction circuit for headsets
US5550925A (en) * 1991-01-07 1996-08-27 Canon Kabushiki Kaisha Sound processing device
US5285502A (en) * 1992-03-31 1994-02-08 Auditory System Technologies, Inc. Aid to hearing speech in a noisy environment
JP3295480B2 (ja) * 1992-04-24 2002-06-24 パイオニア株式会社 周波数コントロール装置および方法
JP3072003B2 (ja) * 1994-08-01 2000-07-31 株式会社東芝 アクティブバンドパスフィルタ
US5907623A (en) * 1995-11-22 1999-05-25 Sony Corporation Of Japan Audio noise reduction system implemented through digital signal processing
JPH09261007A (ja) * 1996-03-27 1997-10-03 Sony Corp デジタルフィルタ装置
DE19624362A1 (de) * 1996-06-19 1998-01-02 Philips Patentverwaltung Schaltungsanordnung zur Frequenzgangbeeinflussung eines digitalen Audiosignals
US6965676B1 (en) * 1999-10-19 2005-11-15 Texas Instruments Incorporated Volume-responsive loudness compensation circuits, systems, and methods
US7016509B1 (en) * 2000-09-08 2006-03-21 Harman International Industries, Inc. System and method for varying low audio frequencies inversely with audio signal level

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7744143B2 (en) 2007-01-10 2010-06-29 Federal Mogul Powertrain Nonwoven panel and method of construction thereof

Also Published As

Publication number Publication date
CA2538809A1 (en) 2005-04-21
CN1879298A (zh) 2006-12-13
ATE535054T1 (de) 2011-12-15
JP2007505557A (ja) 2007-03-08
CA2538809C (en) 2013-01-29
EP1665524A4 (en) 2007-03-21
EP1665524B1 (en) 2011-11-23
US20050058303A1 (en) 2005-03-17
EP1665524A1 (en) 2006-06-07
WO2005036740A1 (en) 2005-04-21
US7171010B2 (en) 2007-01-30

Similar Documents

Publication Publication Date Title
JP4082712B2 (ja) ダイナミックバスブースト装置および方法
US9281795B2 (en) Acoustic signal processing apparatus
US8565448B2 (en) Dynamic bass equalization with modified Sallen-Key high pass filter
US9060223B2 (en) Method and circuitry for processing audio signals
JP5602309B2 (ja) 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
US20080152168A1 (en) Audio signal frequency range boost circuits
JP2007509558A (ja) 適応型音声再生
US7317800B1 (en) Apparatus and method for processing an audio signal to compensate for the frequency response of loudspeakers
US6914987B2 (en) Audio amplifier with voltage limiting in response to spectral content
JPS62180700A (ja) 信号プロセツサ及び補聴器
US20090060209A1 (en) Audio-signal processing apparatus and method
US6792115B1 (en) Apparatus for generating harmonics in an audio signal
EP1580884B1 (en) Dynamic equalizing
EP0841836A2 (en) Dynamic equalizing/filtering device
JPH11215587A (ja) Ｍｆｂ型オーディオ再生装置
JP2005184154A (ja) 自動利得制御装置及び自動利得制御方法
JP4803193B2 (ja) オーディオ信号の利得制御装置および利得制御方法
JP2875409B2 (ja) 音声信号再生装置
TWI778724B (zh) 等化第一輸入訊號以產生等化器輸出訊號的方法以及調平等化器
JP2522936B2 (ja) 自動ラウドネス制御回路
JPH09130182A (ja) 音声処理回路
JPH10284964A (ja) 音量調節装置
JPH0334244B2 (enExample)
JPH04109799A (ja) 音響信号再生装置
JP2019522441A (ja) 音楽の低周波数の分散を改善する新しい方法

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20070221

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20070202

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070712

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070712

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20070712

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20070820

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071001

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071221

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080208

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080208

R150 Certificate of patent or registration of utility model

Ref document number: 4082712

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110222

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110222

Year of fee payment: 3

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: R3D02

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110222

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120222

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130222

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130222

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140222

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term