ATE356405T1 - System und verfahren zur signalverarbeitung - Google Patents

System und verfahren zur signalverarbeitung

Info

Publication number
ATE356405T1
ATE356405T1 AT04744486T AT04744486T ATE356405T1 AT E356405 T1 ATE356405 T1 AT E356405T1 AT 04744486 T AT04744486 T AT 04744486T AT 04744486 T AT04744486 T AT 04744486T AT E356405 T1 ATE356405 T1 AT E356405T1
Authority
AT
Austria
Prior art keywords
signal
frequency
pass filter
khz
digital audio
Prior art date
Application number
AT04744486T
Other languages
English (en)
Inventor
Bruno K R Tourwe
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 ATE356405T1 publication Critical patent/ATE356405T1/de

Links

Classifications

    • 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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital 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
    • H03G9/025—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Selective Calling Equipment (AREA)
AT04744486T 2003-07-07 2004-07-05 System und verfahren zur signalverarbeitung ATE356405T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03102031 2003-07-07
EP04100148 2004-01-19

Publications (1)

Publication Number Publication Date
ATE356405T1 true ATE356405T1 (de) 2007-03-15

Family

ID=33566327

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04744486T ATE356405T1 (de) 2003-07-07 2004-07-05 System und verfahren zur signalverarbeitung

Country Status (7)

Country Link
US (1) US20070136050A1 (de)
EP (1) EP1680781B1 (de)
AT (1) ATE356405T1 (de)
DE (1) DE602004005234T2 (de)
ES (1) ES2281816T3 (de)
RU (1) RU2347282C2 (de)
WO (1) WO2005004114A1 (de)

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JP2010244602A (ja) * 2009-04-03 2010-10-28 Sony Corp 信号処理装置及び方法、並びにプログラム
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ES2392306B1 (es) * 2010-02-03 2013-10-02 Sergio CÓRDOBA SOLANO Gestión psicoacústica del sonido para su optimización en sistemas de audio de instalaciones fijas y eventuales.
EP2355542B1 (de) 2010-02-04 2012-09-12 Nxp B.V. Steuerung einer Lautsprecherausgabe
WO2011105365A1 (ja) * 2010-02-26 2011-09-01 シャープ株式会社 画像処理装置およびこれを備えた表示装置並びに画像処理方法
DE102010040689A1 (de) * 2010-09-14 2012-03-15 Bayerische Motoren Werke Aktiengesellschaft Audiosystem und Verfahren zum Durchführen eines Audioquellenwechsels
KR102185941B1 (ko) 2011-07-01 2020-12-03 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성， 코딩 및 렌더링을 위한 시스템 및 방법
US9517366B2 (en) 2013-02-01 2016-12-13 3M Innovative Properties Company Respirator mask speech enhancement apparatus and method
US9498658B2 (en) * 2013-02-01 2016-11-22 3M Innovative Properties Company Respirator mask speech enhancement apparatus and method
RU2559710C2 (ru) * 2013-02-04 2015-08-10 Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук Способ обработки функции автокорреляции для измерения основного тона речевого сигнала
PL2981963T3 (pl) * 2013-04-05 2017-06-30 Dolby Int Ab Urządzenie kompandujące i sposób redukcji szumu kwantyzacji stosujący zaawansowane rozszerzenie spektralne
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US9525953B2 (en) * 2013-10-03 2016-12-20 Russell Louis Storms, Sr. Method and apparatus for transit system annunciators
US9560139B2 (en) 2014-04-11 2017-01-31 Electro-Motive Diesel, Inc. Train communication network
US9744979B2 (en) 2014-04-11 2017-08-29 Electro-Motive Diesel, Inc. Train communication network
FI3311379T3 (fi) 2015-06-17 2023-02-28 Äänenvoimakkuuden ohjaus käyttäjän interaktiivisuuta varten audio-koodausjärjestelmissä
CN107277683B (zh) * 2016-04-07 2023-07-04 深圳市三诺数字科技有限公司 一种音频放大系统及方法
US9980028B2 (en) * 2016-06-22 2018-05-22 Plantronics, Inc. Sound exposure limiter
RU2676022C1 (ru) * 2016-07-13 2018-12-25 Общество с ограниченной ответственностью "Речевая аппаратура "Унитон" Способ повышения разборчивости речи
US10614790B2 (en) * 2017-03-30 2020-04-07 Bose Corporation Automatic gain control in an active noise reduction (ANR) signal flow path
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US10580398B2 (en) 2017-03-30 2020-03-03 Bose Corporation Parallel compensation in active noise reduction devices
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CN110265042B (zh) * 2019-05-31 2021-07-23 歌尔科技有限公司 声音信号处理方法、装置及设备
CN111885460B (zh) * 2020-07-29 2022-09-13 歌尔科技有限公司 一种无线耳机的通透模式调节装置、方法及无线耳机
CN115967371B (zh) * 2021-10-13 2025-10-10 上海艾为电子技术股份有限公司 一种滤波方法及装置

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Also Published As

Publication number Publication date
ES2281816T3 (es) 2007-10-01
EP1680781B1 (de) 2007-03-07
RU2006122948A (ru) 2008-01-10
DE602004005234D1 (de) 2007-04-19
DE602004005234T2 (de) 2007-11-08
RU2347282C2 (ru) 2009-02-20
US20070136050A1 (en) 2007-06-14
EP1680781A1 (de) 2006-07-19
WO2005004114A1 (en) 2005-01-13

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