ATE173866T1 - Anordnung zur anhebung der bassfrequenz eines audiosignals - Google Patents

Anordnung zur anhebung der bassfrequenz eines audiosignals

Info

Publication number
ATE173866T1
ATE173866T1 AT92113605T AT92113605T ATE173866T1 AT E173866 T1 ATE173866 T1 AT E173866T1 AT 92113605 T AT92113605 T AT 92113605T AT 92113605 T AT92113605 T AT 92113605T AT E173866 T1 ATE173866 T1 AT E173866T1
Authority
AT
Austria
Prior art keywords
bass
components
audio signal
enhancement
levels
Prior art date
Application number
AT92113605T
Other languages
English (en)
Inventor
Donn R Werrbach
Original Assignee
Aphex Systems Ltd
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 Aphex Systems Ltd filed Critical Aphex Systems Ltd
Application granted granted Critical
Publication of ATE173866T1 publication Critical patent/ATE173866T1/de

Links

Classifications

    • 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
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)
AT92113605T 1992-07-31 1992-08-10 Anordnung zur anhebung der bassfrequenz eines audiosignals ATE173866T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92337392A 1992-07-31 1992-07-31

Publications (1)

Publication Number Publication Date
ATE173866T1 true ATE173866T1 (de) 1998-12-15

Family

ID=25448580

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92113605T ATE173866T1 (de) 1992-07-31 1992-08-10 Anordnung zur anhebung der bassfrequenz eines audiosignals

Country Status (5)

Country Link
US (1) US5359665A (de)
EP (1) EP0583492B1 (de)
JP (1) JPH06164271A (de)
AT (1) ATE173866T1 (de)
DE (1) DE69227681T2 (de)

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US6023513A (en) * 1996-01-11 2000-02-08 U S West, Inc. System and method for improving clarity of low bandwidth audio systems
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US6792119B1 (en) 1997-05-05 2004-09-14 Koninklijke Philips Electronics N.V. Audio system
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US6285767B1 (en) * 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
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DE19928420A1 (de) * 1999-06-23 2000-12-28 Micronas Gmbh Verfahren zur Verarbeitung eines Audiosignals
US7466829B1 (en) 1999-08-24 2008-12-16 Logitech Europe S.A. Dynamic bass equalization with modified sallen-key high pass filter
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
DE19955696A1 (de) * 1999-11-18 2001-06-13 Micronas Gmbh Vorrichtung zur Erzeugung von Oberwellen in einem Audiosignal
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US6728721B1 (en) * 2000-06-23 2004-04-27 Microsoft Corporation System and method for maintaining a user's state within a database table
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
SE0004479D0 (sv) 2000-12-05 2000-12-05 Ericsson Telefon Ab L M Method and arrangement relating to electronic compensation
GB0105975D0 (en) * 2001-03-10 2001-04-25 Central Research Lab Ltd A method of modifying low frequency components of a digital audio signal
JP2005136647A (ja) * 2003-10-30 2005-05-26 New Japan Radio Co Ltd 低音ブースト回路
WO2005069679A2 (en) * 2004-01-13 2005-07-28 Koninklijke Philips Electronics N.V. Audio signal enhancement
US8054993B1 (en) 2004-03-13 2011-11-08 Harman International Industries, Incorporated System for automatic compensation of low frequency audio based on human loudness perceptual models
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
CN105811910B (zh) * 2007-03-20 2018-08-28 联想创新有限公司（香港) 电子设备用声音处理系统、方法以及便携电话终端
US8130980B2 (en) * 2007-06-21 2012-03-06 Creative Technology Ltd Automatic gain control circuit for volume control and corresponding method for volume control
EP2191660B1 (de) 2007-09-03 2011-08-10 Am3D A/S Verfahren und Vorrichtung zur Erweiterung der Niederfrequenzausgabe eines Lautsprechers
US8275152B2 (en) * 2007-09-21 2012-09-25 Microsoft Corporation Dynamic bass boost filter
US8992238B2 (en) 2010-07-12 2015-03-31 Ferno-Washington, Inc. Mounting system having a mounting plate with mounting studs and electrical contacts
JP6177798B2 (ja) 2011-12-27 2017-08-09 ディーティーエス・エルエルシーＤｔｓ Ｌｌｃ バスエンハンスメントシステム
US10307313B2 (en) 2013-02-11 2019-06-04 Ferno-Washington, Inc. Equipment mounting system
US9944217B2 (en) 2013-02-11 2018-04-17 Ferno-Washington, Inc. Equipment mounting system
CA2899738C (en) 2013-02-11 2019-08-06 Ferno-Washington, Inc. Equipment mounting system
US9060223B2 (en) 2013-03-07 2015-06-16 Aphex, Llc Method and circuitry for processing audio signals
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
WO2014190140A1 (en) 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system
US11083265B2 (en) 2014-02-11 2021-08-10 Ferno-Washington, Inc. Magnetic pouch attachment mechanism with crash stable locking teeth
US10398203B2 (en) 2014-02-11 2019-09-03 Ferno-Washington, Inc. Crash-ready, portable, compartmentalization device
US10912360B2 (en) 2014-02-11 2021-02-09 Ferno-Washington, Inc. Magnetic pouch attachment mechanism with crash stable locking teeth
EP3450259B1 (de) 2014-07-18 2020-12-16 Ferno-Washington, Inc. Magnetischer beutelbefestigungsmechanismus mit sturzstabilen verriegelungszähnen
US10511277B2 (en) 2016-04-29 2019-12-17 Cirrus Logic, Inc. Audio signal processing
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
US10034092B1 (en) 2016-09-22 2018-07-24 Apple Inc. Spatial headphone transparency
US11361745B2 (en) 2019-09-27 2022-06-14 Apple Inc. Headphone acoustic noise cancellation and speaker protection
US11166099B2 (en) * 2019-09-27 2021-11-02 Apple Inc. Headphone acoustic noise cancellation and speaker protection or dynamic user experience processing
US11206004B1 (en) 2020-09-16 2021-12-21 Apple Inc. Automatic equalization for consistent headphone playback
US11355096B1 (en) 2020-09-16 2022-06-07 Apple Inc. Adaptive feedback processing for consistent headphone acoustic noise cancellation
US11688383B2 (en) 2021-08-27 2023-06-27 Apple Inc. Context aware compressor for headphone audio feedback path

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US4467287A (en) * 1982-06-04 1984-08-21 Dbx, Inc. Signal expander
JPS59105707A (ja) * 1982-12-08 1984-06-19 Matsushita Electric Ind Co Ltd 音響効果装置
US4982435A (en) * 1987-04-17 1991-01-01 Sanyo Electric Co., Ltd. Automatic loudness control circuit
US5023490A (en) * 1989-06-21 1991-06-11 General Electric Company Analog signal compression circuit
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SE465144B (sv) * 1990-06-26 1991-07-29 Ericsson Ge Mobile Communicat Saett och anordning foer behandling av en analog signal

Also Published As

Publication number Publication date
DE69227681T2 (de) 1999-06-10
EP0583492B1 (de) 1998-11-25
JPH06164271A (ja) 1994-06-10
DE69227681D1 (de) 1999-01-07
EP0583492A1 (de) 1994-02-23
US5359665A (en) 1994-10-25

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