DE68926324D1 - Mehrfachband-programmierbares verdichtungssystem - Google Patents

Mehrfachband-programmierbares verdichtungssystem

Info

Publication number
DE68926324D1
DE68926324D1 DE68926324T DE68926324T DE68926324D1 DE 68926324 D1 DE68926324 D1 DE 68926324D1 DE 68926324 T DE68926324 T DE 68926324T DE 68926324 T DE68926324 T DE 68926324T DE 68926324 D1 DE68926324 D1 DE 68926324D1
Authority
DE
Germany
Prior art keywords
compressors
compressor
band
compression system
frequency bands
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
DE68926324T
Other languages
English (en)
Other versions
DE68926324T2 (de
Inventor
Fred Waldhauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GN Hearing Care Corp
Original Assignee
GN Hearing Care Corp
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 GN Hearing Care Corp filed Critical GN Hearing Care Corp
Application granted granted Critical
Publication of DE68926324D1 publication Critical patent/DE68926324D1/de
Publication of DE68926324T2 publication Critical patent/DE68926324T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • 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
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Neurosurgery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DE68926324T 1988-02-23 1989-02-23 Mehrfachband-programmierbares verdichtungssystem Expired - Lifetime DE68926324T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/160,023 US4882762A (en) 1988-02-23 1988-02-23 Multi-band programmable compression system
PCT/US1989/000738 WO1989008353A1 (en) 1988-02-23 1989-02-23 Improved multi-band programmable compression system

Publications (2)

Publication Number Publication Date
DE68926324D1 true DE68926324D1 (de) 1996-05-30
DE68926324T2 DE68926324T2 (de) 1996-08-29

Family

ID=22575160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926324T Expired - Lifetime DE68926324T2 (de) 1988-02-23 1989-02-23 Mehrfachband-programmierbares verdichtungssystem

Country Status (9)

Country Link
US (1) US4882762A (de)
EP (1) EP0354955B1 (de)
AT (1) ATE137369T1 (de)
AU (1) AU611273B2 (de)
CA (1) CA1295044C (de)
DE (1) DE68926324T2 (de)
DK (1) DK127991D0 (de)
FI (1) FI895949A0 (de)
WO (1) WO1989008353A1 (de)

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EP0567535B1 (de) * 1991-01-17 2003-08-13 ADELMAN, Roger A. Verbessertes hörgerät
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US5247581A (en) * 1991-09-27 1993-09-21 Exar Corporation Class-d bicmos hearing aid output amplifier
US5301369A (en) * 1992-04-03 1994-04-05 Motorola, Inc. Circuit with adjustable release time
AU4380393A (en) * 1992-09-11 1994-04-12 Goldberg, Hyman Electroacoustic speech intelligibility enhancement method and apparatus
FI97758C (fi) * 1992-11-20 1997-02-10 Nokia Deutschland Gmbh Järjestelmä audiosignaalin käsittelemiseksi
US5493698A (en) * 1993-02-26 1996-02-20 Hitachi Denshi Kabushiki Kaisha Radio apparatus for simulataneously transmitting and receiving signals using a simple frequency
US5631969A (en) * 1993-03-25 1997-05-20 Ericsson Inc. System for limiting the magnitude of sampled data
US5706352A (en) * 1993-04-07 1998-01-06 K/S Himpp Adaptive gain and filtering circuit for a sound reproduction system
US5404115A (en) * 1993-09-01 1995-04-04 Threepenny Electronics Corporation Variable gain amplifier
US5485515A (en) * 1993-12-29 1996-01-16 At&T Corp. Background noise compensation in a telephone network
US5526419A (en) * 1993-12-29 1996-06-11 At&T Corp. Background noise compensation in a telephone set
US6885752B1 (en) * 1994-07-08 2005-04-26 Brigham Young University Hearing aid device incorporating signal processing techniques
US5500902A (en) * 1994-07-08 1996-03-19 Stockham, Jr.; Thomas G. Hearing aid device incorporating signal processing techniques
US8085959B2 (en) 1994-07-08 2011-12-27 Brigham Young University Hearing compensation system incorporating signal processing techniques
US6072885A (en) * 1994-07-08 2000-06-06 Sonic Innovations, Inc. Hearing aid device incorporating signal processing techniques
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US5512857A (en) * 1994-11-22 1996-04-30 Resound Corporation Class AB amplifier allowing quiescent current and gain to be set independently
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US5602925A (en) * 1995-01-31 1997-02-11 Etymotic Research, Inc. Hearing aid with programmable resistor
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US5949895A (en) * 1995-09-07 1999-09-07 Symphonix Devices, Inc. Disposable audio processor for use with implanted hearing devices
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US5832097A (en) * 1995-09-19 1998-11-03 Gennum Corporation Multi-channel synchronous companding system
US5832444A (en) * 1996-09-10 1998-11-03 Schmidt; Jon C. Apparatus for dynamic range compression of an audio signal
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US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
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US7366315B2 (en) * 1999-02-05 2008-04-29 Hearworks Pty, Limited Adaptive dynamic range optimization sound processor
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US7010136B1 (en) 1999-02-17 2006-03-07 Micro Ear Technology, Inc. Resonant response matching circuit for hearing aid
US6408318B1 (en) 1999-04-05 2002-06-18 Xiaoling Fang Multiple stage decimation filter
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WO2001019130A2 (en) 1999-09-10 2001-03-15 Starkey Laboratories, Inc. Audio signal processing
US7212640B2 (en) 1999-11-29 2007-05-01 Bizjak Karl M Variable attack and release system and method
US7190292B2 (en) * 1999-11-29 2007-03-13 Bizjak Karl M Input level adjust system and method
US6445233B1 (en) 1999-12-30 2002-09-03 The Engineering Consortium, Inc. Multiple time constant rectifier apparatus and method
US6405164B1 (en) 1999-12-30 2002-06-11 Engineering Consortium, Inc. Audio compression circuit and method
CA2396771A1 (en) 2000-01-20 2001-07-26 Starkey Laboratories, Inc. Hearing aid systems
CN1470147A (zh) * 2000-08-07 2004-01-21 �µ��ǿƼ��ɷ��������޹�˾ 声音信号过滤和压缩的方法与装置
US6870830B1 (en) 2000-11-30 2005-03-22 3Com Corporation System and method for performing messaging services using a data communications channel in a data network telephone system
US7489790B2 (en) * 2000-12-05 2009-02-10 Ami Semiconductor, Inc. Digital automatic gain control
US6937738B2 (en) 2001-04-12 2005-08-30 Gennum Corporation Digital hearing aid system
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
US7031484B2 (en) * 2001-04-13 2006-04-18 Widex A/S Suppression of perceived occlusion
WO2002085063A2 (en) * 2001-04-13 2002-10-24 Widex A/S Fitting method and a hearing aid for suppression of perceived occlusion
DE60223869D1 (de) * 2001-04-18 2008-01-17 Gennum Corp Digitaler Quasi-Mittelwertdetektor
EP1251715B2 (de) * 2001-04-18 2010-12-01 Sound Design Technologies Ltd. Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen
US20020191800A1 (en) * 2001-04-19 2002-12-19 Armstrong Stephen W. In-situ transducer modeling in a digital hearing instrument
US6593802B2 (en) * 2001-08-14 2003-07-15 Stmicroelectronics, Inc. On-chip automatic tuning technique
ATE526792T1 (de) * 2001-08-15 2011-10-15 Sound Design Technologies Ltd Rekonfigurierbare hörhilfevorrichtung mit niedrigem leistungsverbrauch
US7650004B2 (en) * 2001-11-15 2010-01-19 Starkey Laboratories, Inc. Hearing aids and methods and apparatus for audio fitting thereof
US7369669B2 (en) * 2002-05-15 2008-05-06 Micro Ear Technology, Inc. Diotic presentation of second-order gradient directional hearing aid signals
US6829363B2 (en) * 2002-05-16 2004-12-07 Starkey Laboratories, Inc. Hearing aid with time-varying performance
US20040022404A1 (en) * 2002-07-30 2004-02-05 Ryuichi Negishi Sound processing apparatus and hearing aid
US8284970B2 (en) 2002-09-16 2012-10-09 Starkey Laboratories Inc. Switching structures for hearing aid
US7369671B2 (en) 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
GB0227698D0 (en) * 2002-11-28 2003-01-08 Computionics Ltd An audio distribution system
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
US20060147060A1 (en) * 2004-12-30 2006-07-06 Plantronics, Inc. A Delaware Corporation Multifunction preamplifier microphone
US9774961B2 (en) 2005-06-05 2017-09-26 Starkey Laboratories, Inc. Hearing assistance device ear-to-ear communication using an intermediate device
US8041066B2 (en) 2007-01-03 2011-10-18 Starkey Laboratories, Inc. Wireless system for hearing communication devices providing wireless stereo reception modes
JP4517974B2 (ja) * 2005-08-05 2010-08-04 株式会社日立製作所 半導体装置
CN101248703A (zh) * 2005-08-23 2008-08-20 唯听助听器公司 具有提高的声学带宽的助听器
JP4886783B2 (ja) * 2005-09-01 2012-02-29 ヴェーデクス・アクティーセルスカプ 補聴器の帯域分割コンプレッサを制御する方法および装置
US8948426B2 (en) * 2006-02-17 2015-02-03 Zounds Hearing, Inc. Method for calibrating a hearing aid
RU2417514C2 (ru) * 2006-04-27 2011-04-27 Долби Лэборетериз Лайсенсинг Корпорейшн Регулировка усиления звука с использованием основанного на конкретной громкости обнаружения акустических событий
US8208642B2 (en) 2006-07-10 2012-06-26 Starkey Laboratories, Inc. Method and apparatus for a binaural hearing assistance system using monaural audio signals
US20080069385A1 (en) * 2006-09-18 2008-03-20 Revitronix Amplifier and Method of Amplification
CA2601662A1 (en) 2006-09-18 2008-03-18 Matthias Mullenborn Wireless interface for programming hearing assistance devices
US8249271B2 (en) * 2007-01-23 2012-08-21 Karl M. Bizjak Noise analysis and extraction systems and methods
US8718288B2 (en) 2007-12-14 2014-05-06 Starkey Laboratories, Inc. System for customizing hearing assistance devices
JP5005614B2 (ja) * 2008-05-27 2012-08-22 ヒアワークス プロプライアタリー リミティド 適応ダイナミックレンジ最適化サウンドプロセッサ
KR100968401B1 (ko) * 2008-10-16 2010-07-07 한국과학기술원 디스플레이 구동장치
DE102009018812B4 (de) † 2009-04-24 2015-05-28 Siemens Medical Instruments Pte. Ltd. Verfahren zum Betrieb einer Hörvorrichtung und Hörvorrichtung mit einer Frequenzweiche
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US3784750A (en) * 1972-02-25 1974-01-08 Shalako Resource Systems Apparatus and prosthetic device for providing electronic correction of auditory deficiencies for aurally handicapped persons
JPS5154703A (de) * 1974-11-08 1976-05-14 Oki Electric Ind Co Ltd
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US4253072A (en) * 1979-07-09 1981-02-24 Fisher Charles B Compandor with sampling and equalization
GB2111356B (en) * 1981-12-01 1985-03-20 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
US4696044A (en) * 1986-09-29 1987-09-22 Waller Jr James K Dynamic noise reduction with logarithmic control

Also Published As

Publication number Publication date
CA1295044C (en) 1992-01-28
EP0354955A1 (de) 1990-02-21
FI895949A0 (fi) 1989-12-13
DK127991A (da) 1991-06-28
DE68926324T2 (de) 1996-08-29
EP0354955A4 (en) 1991-06-05
DK127991D0 (da) 1991-06-28
ATE137369T1 (de) 1996-05-15
EP0354955B1 (de) 1996-04-24
AU3215089A (en) 1989-09-22
WO1989008353A1 (en) 1989-09-08
AU611273B2 (en) 1991-06-06
US4882762A (en) 1989-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: WIESE KONNERTH FISCHER PATENTANWAELTE PARTNERSCHAF

8328 Change in the person/name/address of the agent

Representative=s name: SCHROETER LEHMANN FISCHER & NEUGEBAUER, 81479 MUEN