ATE392116T1 - Audiosignal-verbesserung - Google Patents

Audiosignal-verbesserung

Info

Publication number
ATE392116T1
ATE392116T1 AT05702629T AT05702629T ATE392116T1 AT E392116 T1 ATE392116 T1 AT E392116T1 AT 05702629 T AT05702629 T AT 05702629T AT 05702629 T AT05702629 T AT 05702629T AT E392116 T1 ATE392116 T1 AT E392116T1
Authority
AT
Austria
Prior art keywords
audio signal
scaling
frequency range
selected frequency
signal improvement
Prior art date
Application number
AT05702629T
Other languages
English (en)
Inventor
Reck Kristof Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE392116T1 publication Critical patent/ATE392116T1/de

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AT05702629T 2004-01-13 2005-01-10 Audiosignal-verbesserung ATE392116T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04100092 2004-01-13

Publications (1)

Publication Number Publication Date
ATE392116T1 true ATE392116T1 (de) 2008-04-15

Family

ID=34778218

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702629T ATE392116T1 (de) 2004-01-13 2005-01-10 Audiosignal-verbesserung

Country Status (8)

Country Link
US (1) US7729497B2 (de)
EP (1) EP1707027B1 (de)
JP (1) JP4949854B2 (de)
KR (1) KR101120550B1 (de)
CN (1) CN101061744B (de)
AT (1) ATE392116T1 (de)
DE (1) DE602005005948T2 (de)
WO (1) WO2005069679A2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007133035A (ja) * 2005-11-08 2007-05-31 Sony Corp デジタル録音装置，デジタル録音方法，そのプログラムおよび記憶媒体
ES2359799T3 (es) 2006-04-27 2011-05-27 Dolby Laboratories Licensing Corporation Control de ganancia de audio usando detección de eventos auditivos basada en la sonoridad específica.
JP4666229B2 (ja) * 2006-10-18 2011-04-06 ソニー株式会社 オーディオ再生装置
SG144752A1 (en) * 2007-01-12 2008-08-28 Sony Corp Audio enhancement method and system
JP5337865B2 (ja) * 2008-04-09 2013-11-06 コーニンクレッカ フィリップス エヌ ヴェ 音声トランスデューサに対する駆動信号の生成
EP2278707B1 (de) 2009-07-03 2012-01-18 Am3D A/S Dynamische Verstärkung von Audiosignalen
ITTO20120274A1 (it) * 2012-03-27 2013-09-28 Inst Rundfunktechnik Gmbh Dispositivo per il missaggio di almeno due segnali audio.
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
US11109155B2 (en) * 2017-02-17 2021-08-31 Cirrus Logic, Inc. Bass enhancement
CN109313912B (zh) * 2017-04-24 2023-11-07 马克西姆综合产品公司 用于通过基于信号电平来禁用滤波器元件以减少音频系统的功耗的系统和方法
CN107181996A (zh) * 2017-05-08 2017-09-19 深圳市创锐实业有限公司 一种用于音箱的音频幅度限制的方法和装置
CN110858487A (zh) * 2018-08-23 2020-03-03 北京嘉楠捷思信息技术有限公司 一种音频信号缩放处理方法及装置
TWI825402B (zh) 2021-03-24 2023-12-11 瑞昱半導體股份有限公司 音訊訊號處理電路及音訊訊號處理方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398061A (en) * 1981-09-22 1983-08-09 Thomson-Csf Broadcast, Inc. Audio processing apparatus and method
EP0583492B1 (de) * 1992-07-31 1998-11-25 Aphex Systems, Ltd. Anordnung zur Anhebung der Bassfrequenz eines Audiosignals
US5509080A (en) * 1994-03-14 1996-04-16 Peavey Electronics Corporation Bass clipping circuit
JPH0830293A (ja) * 1994-07-11 1996-02-02 Olympus Optical Co Ltd 音声情報処理装置
JPH0830292A (ja) * 1994-07-20 1996-02-02 Olympus Optical Co Ltd 利得調整装置
JPH0968997A (ja) * 1995-08-30 1997-03-11 Sony Corp 音声処理方法及び装置
US5672999A (en) * 1996-01-16 1997-09-30 Motorola, Inc. Audio amplifier clipping avoidance method and apparatus
TW343417B (en) * 1996-05-08 1998-10-21 Philips Eloctronics N V Circuit, audio system and method for processing signals, and a harmonics generator
JPH10333695A (ja) * 1997-06-04 1998-12-18 Technol Res Assoc Of Medical & Welfare Apparatus 音声変換装置
AU1072099A (en) * 1997-11-17 1999-06-07 Srs Labs, Inc Low-frequency audio simulation system
US6285767B1 (en) * 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
US6845165B1 (en) * 1998-12-24 2005-01-18 Korg Incorporated Acoustic effect apparatus and method and program recorded medium therefor
US6606388B1 (en) * 2000-02-17 2003-08-12 Arboretum Systems, Inc. Method and system for enhancing audio signals
WO2003019534A1 (en) * 2001-08-31 2003-03-06 Koninklijke Philips Electronics N.V. Bandwidth extension of a sound signal
US7242779B2 (en) * 2002-05-30 2007-07-10 Peavey Electronics Corporation Methods and apparatus for sub-harmonic generation, stereo expansion and distortion
AU2004248544B2 (en) * 2003-05-28 2010-02-18 Dolby Laboratories Licensing Corporation Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal

Also Published As

Publication number Publication date
KR20060123495A (ko) 2006-12-01
JP4949854B2 (ja) 2012-06-13
US20070274538A1 (en) 2007-11-29
EP1707027A2 (de) 2006-10-04
DE602005005948T2 (de) 2009-04-16
JP2007522493A (ja) 2007-08-09
WO2005069679A3 (en) 2007-02-08
KR101120550B1 (ko) 2012-03-09
EP1707027B1 (de) 2008-04-09
DE602005005948D1 (de) 2008-05-21
US7729497B2 (en) 2010-06-01
CN101061744B (zh) 2011-05-18
CN101061744A (zh) 2007-10-24
WO2005069679A2 (en) 2005-07-28

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Legal Events

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