DK127991A - Programmerbart multibaand-signalkomprimeringskredsloeb, isaer til hoereapparater - Google Patents

Programmerbart multibaand-signalkomprimeringskredsloeb, isaer til hoereapparater Download PDF

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Publication number
DK127991A
DK127991A DK127991A DK127991A DK127991A DK 127991 A DK127991 A DK 127991A DK 127991 A DK127991 A DK 127991A DK 127991 A DK127991 A DK 127991A DK 127991 A DK127991 A DK 127991A
Authority
DK
Denmark
Prior art keywords
compressors
compressor
isair
band signal
compression circuit
Prior art date
Application number
DK127991A
Other languages
Danish (da)
English (en)
Other versions
DK127991D0 (da
Inventor
Fred Donald Waldhauer
Original Assignee
Resound 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 Resound Corp filed Critical Resound Corp
Publication of DK127991A publication Critical patent/DK127991A/da
Publication of DK127991D0 publication Critical patent/DK127991D0/da

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

  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (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)
DK911279A 1988-02-23 1991-06-28 Programmerbart multibaand-signalkomprimeringskredsloeb, isaer til hoereapparater DK127991D0 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/160,023 US4882762A (en) 1988-02-23 1988-02-23 Multi-band programmable compression system

Publications (2)

Publication Number Publication Date
DK127991A true DK127991A (da) 1991-06-28
DK127991D0 DK127991D0 (da) 1991-06-28

Family

ID=22575160

Family Applications (1)

Application Number Title Priority Date Filing Date
DK911279A DK127991D0 (da) 1988-02-23 1991-06-28 Programmerbart multibaand-signalkomprimeringskredsloeb, isaer til hoereapparater

Country Status (9)

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

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065451A (en) * 1989-06-09 1991-11-12 Amaf Industries, Inc. System and method of frequency calibration in a linked compression-expansion (lincompex) system
EP0468072B1 (fr) * 1990-07-25 1995-02-22 Siemens Audiologische Technik GmbH Aide à l'audition comportant un amplificateur de sortie avec circuit limiteur
DE69233156T2 (de) * 1991-01-17 2004-07-08 Adelman, Roger A. Verbessertes hörgerät
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
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
US6072885A (en) * 1994-07-08 2000-06-06 Sonic Innovations, Inc. 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
US6885752B1 (en) * 1994-07-08 2005-04-26 Brigham Young University 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
EP0712262A1 (fr) * 1994-11-10 1996-05-15 Siemens Audiologische Technik GmbH Prothèse auditive
US5512857A (en) * 1994-11-22 1996-04-30 Resound Corporation Class AB amplifier allowing quiescent current and gain to be set independently
US5600728A (en) * 1994-12-12 1997-02-04 Satre; Scot R. Miniaturized hearing aid circuit
US5602925A (en) * 1995-01-31 1997-02-11 Etymotic Research, Inc. Hearing aid with programmable resistor
WO1996036099A2 (fr) * 1995-05-11 1996-11-14 Ericsson Inc. Circuit de commande de puissance pour un dispositif alimente par batterie
US5949895A (en) * 1995-09-07 1999-09-07 Symphonix Devices, Inc. Disposable audio processor for use with implanted hearing devices
US5862238A (en) * 1995-09-11 1999-01-19 Starkey Laboratories, Inc. Hearing aid having input and output gain compression circuits
US5822442A (en) * 1995-09-11 1998-10-13 Starkey Labs, Inc. Gain compression amplfier providing a linear compression function
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
US6112103A (en) * 1996-12-03 2000-08-29 Puthuff; Steven H. Personal communication device
US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6424722B1 (en) 1997-01-13 2002-07-23 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6449662B1 (en) * 1997-01-13 2002-09-10 Micro Ear Technology, Inc. System for programming hearing aids
US5987146A (en) * 1997-04-03 1999-11-16 Resound Corporation Ear canal microphone
US6236731B1 (en) 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
US6366863B1 (en) 1998-01-09 2002-04-02 Micro Ear Technology Inc. Portable hearing-related analysis system
US6201875B1 (en) 1998-03-17 2001-03-13 Sonic Innovations, Inc. Hearing aid fitting system
EP1016318A1 (fr) * 1998-07-02 2000-07-05 Beltone Netherlands B.V. Appareil auditif
US6718301B1 (en) 1998-11-11 2004-04-06 Starkey Laboratories, Inc. System for measuring speech content in sound
EP1172020B1 (fr) * 1999-02-05 2006-09-06 Hearworks Pty Ltd. Processeur de son d'optimisation de plage dynamique adaptative
US7366315B2 (en) * 1999-02-05 2008-04-29 Hearworks Pty, Limited Adaptive dynamic range optimization sound processor
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
WO2000065872A1 (fr) * 1999-04-26 2000-11-02 Dspfactory Ltd. Correction physiologique d'une prothese auditive numerique
WO2001011770A1 (fr) * 1999-08-06 2001-02-15 Siemens Aktiengesellschaft Compresseur dynamique utilise en tant que partie d'un circuit de traitement de signaux dans la technique audio, de regulation et/ou de telephonie
WO2001019130A2 (fr) 1999-09-10 2001-03-15 Starkey Laboratories, Inc. Traitement de signaux audio
WO2001039370A2 (fr) * 1999-11-29 2001-05-31 Syfx Systemes et procedes pour le traitement des signaux
US7190292B2 (en) * 1999-11-29 2007-03-13 Bizjak Karl M Input level adjust system and method
US6405164B1 (en) 1999-12-30 2002-06-11 Engineering Consortium, Inc. Audio compression circuit and method
US6445233B1 (en) 1999-12-30 2002-09-03 The Engineering Consortium, Inc. Multiple time constant rectifier apparatus and method
EP1252799B2 (fr) 2000-01-20 2022-11-02 Starkey Laboratories, Inc. Procédé et appareil pour l'adaptation des prothèses auditives
WO2002013572A2 (fr) * 2000-08-07 2002-02-14 Audia Technology, Inc. Procede et appareil de filtrage et de compression de signaux sonores
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
AU2002338609B2 (en) * 2001-04-13 2006-09-21 Widex A/S Fitting method and a hearing aid for suppression of perceived occlusion
EP1250027A1 (fr) * 2001-04-13 2002-10-16 Widex A/S Suppression de l' occlusion percue
ES2258575T3 (es) * 2001-04-18 2006-09-01 Gennum Corporation Instrumento de audicion de multiples canales con comunicacion entre canales.
EP1251355B1 (fr) * 2001-04-18 2007-12-05 Gennum Corporation Détecteur numérique quasi-RMS
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
US7113589B2 (en) * 2001-08-15 2006-09-26 Gennum Corporation Low-power reconfigurable hearing instrument
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
US7369671B2 (en) 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
US8284970B2 (en) 2002-09-16 2012-10-09 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
DK1920633T3 (da) * 2005-08-23 2011-10-03 Widex As Høreapparat med forøget akustisk båndbredde
WO2007025569A1 (fr) * 2005-09-01 2007-03-08 Widex A/S Procede de dispositif de commande de compresseurs de bandes partagees pour prothese auditive
US8948426B2 (en) * 2006-02-17 2015-02-03 Zounds Hearing, Inc. Method for calibrating a hearing aid
US8144881B2 (en) 2006-04-27 2012-03-27 Dolby Laboratories Licensing Corporation Audio gain control using specific-loudness-based auditory event detection
US8208642B2 (en) 2006-07-10 2012-06-26 Starkey Laboratories, Inc. Method and apparatus for a binaural hearing assistance system using monaural audio signals
CA2601662A1 (fr) 2006-09-18 2008-03-18 Matthias Mullenborn Interface sans fil pour programmer des dispositifs d'aide auditive
US20080069385A1 (en) * 2006-09-18 2008-03-20 Revitronix Amplifier and Method of Amplification
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
US8359283B2 (en) * 2009-08-31 2013-01-22 Starkey Laboratories, Inc. Genetic algorithms with robust rank estimation for hearing assistance devices
CN102577113A (zh) * 2009-10-07 2012-07-11 日本电气株式会社 多带域压缩器及其调节方法
JPWO2011048741A1 (ja) * 2009-10-20 2013-03-07 日本電気株式会社 マルチバンドコンプレッサ
US8737653B2 (en) 2009-12-30 2014-05-27 Starkey Laboratories, Inc. Noise reduction system for hearing assistance devices
US9654876B2 (en) 2012-08-06 2017-05-16 Father Flanagan's Boys' Home Multiband audio compression system and method
US8965016B1 (en) 2013-08-02 2015-02-24 Starkey Laboratories, Inc. Automatic hearing aid adaptation over time via mobile application
US10003379B2 (en) 2014-05-06 2018-06-19 Starkey Laboratories, Inc. Wireless communication with probing bandwidth
US9462381B2 (en) * 2014-05-28 2016-10-04 Apple Inc. Intelligent dynamics processing
WO2017144253A1 (fr) 2016-02-24 2017-08-31 Widex A/S Procédé d'utilisation d'un système de prothèse auditive et système de prothèse auditive
US10291207B2 (en) 2016-07-07 2019-05-14 Analog Devices, Inc. Wide range programmable resistor for discrete logarithmic control, and tuning circuit for variable gain active filter using same
US11784731B2 (en) * 2021-03-09 2023-10-10 Apple Inc. Multi-phase-level signaling to improve data bandwidth over lossy channels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) * 1974-11-08 1976-05-14 Oki Electric Ind Co Ltd
DE2919280A1 (de) * 1979-05-12 1980-11-20 Licentia Gmbh Schaltung zur wahlweisen automatischen dynamik-kompression oder -expansion
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
FI895949A0 (fi) 1989-12-13
WO1989008353A1 (fr) 1989-09-08
US4882762A (en) 1989-11-21
CA1295044C (fr) 1992-01-28
EP0354955B1 (fr) 1996-04-24
DE68926324D1 (de) 1996-05-30
ATE137369T1 (de) 1996-05-15
EP0354955A1 (fr) 1990-02-21
EP0354955A4 (en) 1991-06-05
DK127991D0 (da) 1991-06-28
AU3215089A (en) 1989-09-22
DE68926324T2 (de) 1996-08-29
AU611273B2 (en) 1991-06-06

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment