FI895949A0 - Foerbaettrat programmerbart flerbandskompressionssystem. - Google Patents

Foerbaettrat programmerbart flerbandskompressionssystem.

Info

Publication number
FI895949A0
FI895949A0 FI895949A FI895949A FI895949A0 FI 895949 A0 FI895949 A0 FI 895949A0 FI 895949 A FI895949 A FI 895949A FI 895949 A FI895949 A FI 895949A FI 895949 A0 FI895949 A0 FI 895949A0
Authority
FI
Finland
Prior art keywords
compressors
compressor
frequency bands
band
compression ratio
Prior art date
Application number
FI895949A
Other languages
English (en)
Finnish (fi)
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 FI895949A0 publication Critical patent/FI895949A0/fi

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)
FI895949A 1988-02-23 1989-12-13 Foerbaettrat programmerbart flerbandskompressionssystem. FI895949A0 (fi)

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 (1)

Publication Number Publication Date
FI895949A0 true FI895949A0 (fi) 1989-12-13

Family

ID=22575160

Family Applications (1)

Application Number Title Priority Date Filing Date
FI895949A FI895949A0 (fi) 1988-02-23 1989-12-13 Foerbaettrat programmerbart flerbandskompressionssystem.

Country Status (9)

Country Link
US (1) US4882762A (da)
EP (1) EP0354955B1 (da)
AT (1) ATE137369T1 (da)
AU (1) AU611273B2 (da)
CA (1) CA1295044C (da)
DE (1) DE68926324T2 (da)
DK (1) DK127991A (da)
FI (1) FI895949A0 (da)
WO (1) WO1989008353A1 (da)

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
DE59008542D1 (de) * 1990-07-25 1995-03-30 Siemens Audiologische Technik Hörgeräteschaltung mit einer Endstufe mit einer Begrenzungseinrichtung.
CA2100773A1 (en) * 1991-01-17 1992-07-18 Roger A. Adelman Hearing apparatus
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
WO1994007341A1 (en) * 1992-09-11 1994-03-31 Hyman Goldberg 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
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
US6072885A (en) * 1994-07-08 2000-06-06 Sonic Innovations, Inc. Hearing aid device incorporating signal processing techniques
EP0712262A1 (de) * 1994-11-10 1996-05-15 Siemens Audiologische Technik GmbH Hörgerät
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 (en) * 1995-05-11 1996-11-14 Ericsson Inc. Power control circuit for a battery operated device
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
US6449662B1 (en) * 1997-01-13 2002-09-10 Micro Ear Technology, Inc. System for programming hearing aids
US6424722B1 (en) 1997-01-13 2002-07-23 Micro Ear Technology, Inc. Portable 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
WO2000002418A1 (en) * 1998-07-02 2000-01-13 Beltone Netherlands B.V. Hearing instrument
US6718301B1 (en) 1998-11-11 2004-04-06 Starkey Laboratories, Inc. System for measuring speech content in sound
AU761865B2 (en) * 1999-02-05 2003-06-12 Hearworks Pty Ltd Adaptive dynamic range optimisation sound processor
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
AU4278300A (en) * 1999-04-26 2000-11-10 Dspfactory Ltd. Loudness normalization control for a digital hearing aid
DE10082334D2 (de) * 1999-08-06 2002-01-03 Siemens Ag Dynamikkompressor als Teil einer Signalverarbeitenden Schaltungsanordnung in der Audio-, Regelungs- und/oder Telefontechnik
CA2384629A1 (en) 1999-09-10 2001-03-15 Starkey Laboratories, Inc. Audio signal processing
US7190292B2 (en) * 1999-11-29 2007-03-13 Bizjak Karl M Input level adjust system and method
US6675125B2 (en) 1999-11-29 2004-01-06 Syfx Statistics generator 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
DK1252799T3 (da) 2000-01-20 2012-01-23 Starkey Lab Inc Fremgangsmåde og apparat til tilpasning af høreapparater
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
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
US6937738B2 (en) 2001-04-12 2005-08-30 Gennum Corporation Digital hearing aid system
AU2002338609B2 (en) * 2001-04-13 2006-09-21 Widex A/S Fitting method and a hearing aid for suppression of perceived occlusion
EP1250027A1 (en) * 2001-04-13 2002-10-16 Widex A/S Suspression of perceived occlusion
ATE318062T1 (de) * 2001-04-18 2006-03-15 Gennum Corp Mehrkanal hörgerät mit übertragungsmöglichkeiten zwischen den kanälen
CA2382358C (en) * 2001-04-18 2007-01-09 Gennum Corporation Digital quasi-rms detector
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
DK1284587T3 (da) * 2001-08-15 2011-10-31 Sound Design Technologies Ltd Rekonfigurerbar lavenergi-høreindretning
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
ATE520264T1 (de) * 2005-08-23 2011-08-15 Widex As Hörgerät mit vergrösserter akustischer bandbreite
WO2007025569A1 (en) * 2005-09-01 2007-03-08 Widex A/S Method and apparatus for controlling band split compressors in a hearing aid
US8948426B2 (en) * 2006-02-17 2015-02-03 Zounds Hearing, Inc. Method for calibrating a hearing aid
DE602007011594D1 (de) 2006-04-27 2011-02-10 Dolby Lab Licensing Corp Tonverstärkungsregelung mit erfassung von publikumsereignissen auf der basis von spezifischer lautstärke
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 (en) 2006-09-18 2008-03-18 Matthias Mullenborn Wireless interface for programming hearing assistance devices
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
EP2487791A1 (en) * 2009-10-07 2012-08-15 Nec Corporation Multiband compressor and adjustment method of same
US8924220B2 (en) * 2009-10-20 2014-12-30 Lenovo Innovations Limited (Hong Kong) Multiband compressor
US8737653B2 (en) 2009-12-30 2014-05-27 Starkey Laboratories, Inc. Noise reduction system for hearing assistance devices
JP6441796B2 (ja) 2012-08-06 2018-12-19 ファーザー フラナガンズ ボーイズ ホーム ドゥーイング ビジネス アズ ボーイズ タウン ナショナル リサーチ ホスピタル マルチバンドの音声圧縮システムと方法
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
EP3420740B1 (en) 2016-02-24 2021-06-23 Widex A/S A method of operating a hearing aid system and a hearing aid system
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 (da) * 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
AU611273B2 (en) 1991-06-06
WO1989008353A1 (en) 1989-09-08
EP0354955A4 (en) 1991-06-05
EP0354955B1 (en) 1996-04-24
DE68926324D1 (de) 1996-05-30
EP0354955A1 (en) 1990-02-21
DK127991D0 (da) 1991-06-28
CA1295044C (en) 1992-01-28
DK127991A (da) 1991-06-28
ATE137369T1 (de) 1996-05-15
AU3215089A (en) 1989-09-22
US4882762A (en) 1989-11-21
DE68926324T2 (de) 1996-08-29

Similar Documents

Publication Publication Date Title
FI895949A0 (fi) Foerbaettrat programmerbart flerbandskompressionssystem.
DK0591441T3 (da) Forbedret programmerbart flerbåndskompressionssystem
CA1061255A (en) Real time amplitude control of electrical waves
ES2140530T3 (es) Aparato, metodo y sistema para comprimir una señal digital de entrada en mas de un modo de compresion.
SE8501743D0 (sv) Differential hearing aid with programmable frequency response
AU7365898A (en) Continuous frequency dynamic range audio compressor
EP0701344A4 (en) ADAPTIVE SPECTRUM SPREAD RECEIVER
US4177356A (en) Signal enhancement system
WO2002025886A8 (en) Digital signal processing techniques for improving audio clarity and intelligibility
CA2360970C (en) A wireless microphone having a split-band audio frequency companding system that provides improved noise reduction and sound quality
JPS6468009A (en) Active filter type signal adjusting circuit
JPS5627507A (en) Loop antenna unit
JPS5666918A (en) Automatic corrector for sound field
JPS6436275A (en) Sound signal processor
EP0052415A3 (en) Frequency characteristic adjusting apparatus
JPS5714211A (en) Dynamic range varying circuit
FR2303434A1 (fr) Installation d'ecoute electronique pour le conditionnement de l'oreille interne
SU1078587A1 (ru) Устройство дл усилени
GB1499976A (en) Hearing aids
JPS57188162A (en) Signal receiver
JPS5738010A (en) Power amplifier
JPS54160226A (en) Multiway speaker system
JPS5583400A (en) Noise reduction unit
SU1524160A1 (ru) Многоканальное широкополосное усилительное устройство
JPS6230080Y2 (da)

Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: RESOUND CORPORATION