IN157200B - - Google Patents

Info

Publication number
IN157200B
IN157200B IN1242/CAL/82A IN1242CA1982A IN157200B IN 157200 B IN157200 B IN 157200B IN 1242CA1982 A IN1242CA1982 A IN 1242CA1982A IN 157200 B IN157200 B IN 157200B
Authority
IN
India
Prior art keywords
supplied
dynamic range
vowels
channel
filters
Prior art date
Application number
IN1242/CAL/82A
Other languages
English (en)
Inventor
Roger Frederick Laurence
Original Assignee
Craigwell Ind Ltd
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 Craigwell Ind Ltd filed Critical Craigwell Ind Ltd
Publication of IN157200B publication Critical patent/IN157200B/en

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
    • H03G9/02—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
    • H04R25/35—Electric hearing aids 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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

  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
IN1242/CAL/82A 1981-10-20 1982-10-20 IN157200B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8131600 1981-10-20

Publications (1)

Publication Number Publication Date
IN157200B true IN157200B (fr) 1986-02-08

Family

ID=10525277

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1242/CAL/82A IN157200B (fr) 1981-10-20 1982-10-20

Country Status (11)

Country Link
US (1) US4517415A (fr)
EP (1) EP0077688B1 (fr)
JP (1) JPS59196700A (fr)
AT (1) ATE14361T1 (fr)
AU (1) AU559786B2 (fr)
CA (1) CA1202111A (fr)
DE (1) DE3264784D1 (fr)
DK (1) DK153350B (fr)
GB (1) GB2108805B (fr)
IN (1) IN157200B (fr)
ZA (1) ZA827685B (fr)

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DE3333776A1 (de) * 1983-09-19 1985-04-18 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur uebertragung akustischer informationen als fuehlbare vibrationen
EP0160054A1 (fr) * 1983-10-25 1985-11-06 The Commonwealth Of Australia Appareil et procede d'amplification pour prothese auditive
AU569591B2 (en) * 1983-10-25 1988-02-11 Australian Hearing Services Hearing aid amplification method and apparatus
DE3509358A1 (de) * 1984-03-27 1985-11-14 Head Stereo GmbH Kopfbezogene Aufnahme- und Wiedergabetechnik, 8000 München Simulationsverfahren und vorrichtung (elektronischer kunstkopf) zur nachbildung der uebertragungseigenschaften des menschlichen aussenohrs bei freifeldbeschallung
FR2566658A1 (fr) * 1984-06-28 1986-01-03 Inst Nat Sante Rech Med Prothese auditive multivoie
US4928311A (en) * 1986-01-03 1990-05-22 Trompler Lyle D Noise limiting circuit for earmuffs
US4922131A (en) * 1986-03-12 1990-05-01 Beltone Electronics Corporation Differential voltage threshold detector
US4934770A (en) * 1986-03-12 1990-06-19 Beltone Electronics Electronic compression system
US4912393A (en) * 1986-03-12 1990-03-27 Beltone Electronics Corporation Voltage regulator with variable reference outputs for a hearing aid
US4952867A (en) * 1986-03-12 1990-08-28 Beltone Electronics Corporation Base bias current compensator
US4829270A (en) * 1986-03-12 1989-05-09 Beltone Electronics Corporation Compansion system
US4792977A (en) * 1986-03-12 1988-12-20 Beltone Electronics Corporation Hearing aid circuit
US4750207A (en) * 1986-03-31 1988-06-07 Siemens Hearing Instruments, Inc. Hearing aid noise suppression system
GB2192511B (en) * 1986-07-11 1990-02-21 Roger Frederick Laurence Hearing aid
JP2935266B2 (ja) * 1987-05-11 1999-08-16 ジャンポルスキー、アーサー 逆説的補聴器
US4837832A (en) * 1987-10-20 1989-06-06 Sol Fanshel Electronic hearing aid with gain control means for eliminating low frequency noise
GB8806434D0 (en) * 1988-03-18 1988-04-20 Pieters L A Current-driving amplifiers
GB2230158A (en) * 1989-02-01 1990-10-10 James Robert Joseph Rutherford Balanced-hearing hearing aids
US5111506A (en) * 1989-03-02 1992-05-05 Ensonig Corporation Power efficient hearing aid
US5083312A (en) * 1989-08-01 1992-01-21 Argosy Electronics, Inc. Programmable multichannel hearing aid with adaptive filter
GB8919591D0 (en) * 1989-08-30 1989-10-11 Gn Davavox As Hearing aid having compensation for acoustic feedback
US5131046A (en) * 1989-11-03 1992-07-14 Etymotic Research Inc. High fidelity hearing aid amplifier
ATE118928T1 (de) * 1990-07-25 1995-03-15 Siemens Audiologische Technik Hörgeräteschaltung mit einer endstufe mit einer begrenzungseinrichtung.
US5247581A (en) * 1991-09-27 1993-09-21 Exar Corporation Class-d bicmos hearing aid output amplifier
US5844984A (en) * 1992-03-19 1998-12-01 Pan Communications, Inc. Two-way communications earset with filter
US5537477A (en) * 1994-02-07 1996-07-16 Ensoniq Corporation Frequency characteristic shaping circuitry and method
US6072885A (en) * 1994-07-08 2000-06-06 Sonic Innovations, Inc. 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
CA2219325A1 (fr) * 1995-04-24 1996-10-31 Minnesota Mining And Manufacturing Company Adhesifs autocollants pour surfaces polyolefiniques
JP2872624B2 (ja) * 1995-11-21 1999-03-17 リオン株式会社 補聴器
US5825898A (en) * 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
US6178248B1 (en) 1997-04-14 2001-01-23 Andrea Electronics Corporation Dual-processing interference cancelling system and method
US6272360B1 (en) 1997-07-03 2001-08-07 Pan Communications, Inc. Remotely installed transmitter and a hands-free two-way voice terminal device using same
US6353671B1 (en) * 1998-02-05 2002-03-05 Bioinstco Corp. Signal processing circuit and method for increasing speech intelligibility
US6529607B1 (en) 1998-12-11 2003-03-04 Siemens Audiologische Technik Gmbh Method for producing a constant sound pressure level in hearing aids and corresponding hearing aid
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
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6408318B1 (en) 1999-04-05 2002-06-18 Xiaoling Fang Multiple stage decimation filter
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
US20020075965A1 (en) * 2000-12-20 2002-06-20 Octiv, Inc. Digital signal processing techniques for improving audio clarity and intelligibility
EP1289137A1 (fr) * 2001-08-06 2003-03-05 Semiconductor Ideas to The Market (ItoM) BV Filtre RC integré
US8565449B2 (en) * 2006-02-07 2013-10-22 Bongiovi Acoustics Llc. System and method for digital signal processing
US8462963B2 (en) * 2004-08-10 2013-06-11 Bongiovi Acoustics, LLCC System and method for processing audio signal
US9413321B2 (en) 2004-08-10 2016-08-09 Bongiovi Acoustics Llc System and method for digital signal processing
US7254243B2 (en) * 2004-08-10 2007-08-07 Anthony Bongiovi Processing of an audio signal for presentation in a high noise environment
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US9281794B1 (en) 2004-08-10 2016-03-08 Bongiovi Acoustics Llc. System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US9348904B2 (en) 2006-02-07 2016-05-24 Bongiovi Acoustics Llc. System and method for digital signal processing
US9195433B2 (en) 2006-02-07 2015-11-24 Bongiovi Acoustics Llc In-line signal processor
US8705765B2 (en) 2006-02-07 2014-04-22 Bongiovi Acoustics Llc. Ringtone enhancement systems and methods
EP1998592A4 (fr) * 2006-03-22 2011-11-02 Nec Corp Circuit audio
US8284971B2 (en) * 2008-11-21 2012-10-09 Envoy Medical Corporation Logarithmic compression systems and methods for hearing amplification
US9344828B2 (en) 2012-12-21 2016-05-17 Bongiovi Acoustics Llc. System and method for digital signal processing
US10045133B2 (en) 2013-03-15 2018-08-07 Natan Bauman Variable sound attenuator with hearing aid
US9521480B2 (en) 2013-07-31 2016-12-13 Natan Bauman Variable noise attenuator with adjustable attenuation
US9333116B2 (en) 2013-03-15 2016-05-10 Natan Bauman Variable sound attenuator
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9398394B2 (en) 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US9397629B2 (en) 2013-10-22 2016-07-19 Bongiovi Acoustics Llc System and method for digital signal processing
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
WO2017087495A1 (fr) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Transducteur acoustique de surface
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US10884696B1 (en) 2016-09-15 2021-01-05 Human, Incorporated Dynamic modification of audio signals
AU2019252524A1 (en) 2018-04-11 2020-11-05 Bongiovi Acoustics Llc Audio enhanced hearing protection system
US10959035B2 (en) 2018-08-02 2021-03-23 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316939C3 (de) * 1973-04-04 1987-09-10 Siemens AG, 1000 Berlin und 8000 München Elektrische Hörhilfeschaltung
US3818149A (en) * 1973-04-12 1974-06-18 Shalako Int Prosthetic device for providing corrections of auditory deficiencies in aurally handicapped persons
JPS5034405A (fr) * 1973-07-30 1975-04-02
US3894195A (en) * 1974-06-12 1975-07-08 Karl D Kryter Method of and apparatus for aiding hearing and the like
DE2613513A1 (de) * 1976-03-30 1977-10-06 Albert Dipl Ing Kremer Hoerhilfe insbesondere hoergeraet
DE2641675A1 (de) * 1976-09-16 1978-03-23 Bosch Gmbh Robert Schwerhoerigengeraet mit einem tonfrequenzverstaerker
JPS5737886Y2 (fr) * 1977-07-08 1982-08-20
DE3027952A1 (de) * 1980-07-23 1982-02-25 Zuch, Erhard H., 4930 Detmold Elektroakustisches hoergeraet
DE3027953A1 (de) * 1980-07-23 1982-02-25 Zuch, Erhard H., 4930 Detmold Elektro-akustisches hoergeraet mit adaptiver filterschaltung

Also Published As

Publication number Publication date
GB2108805B (en) 1985-06-19
DK463982A (da) 1983-04-21
EP0077688A1 (fr) 1983-04-27
DE3264784D1 (en) 1985-08-22
AU8947982A (en) 1983-04-28
ZA827685B (en) 1983-08-31
DK153350B (da) 1988-07-04
CA1202111A (fr) 1986-03-18
US4517415A (en) 1985-05-14
GB2108805A (en) 1983-05-18
JPS59196700A (ja) 1984-11-08
ATE14361T1 (de) 1985-08-15
AU559786B2 (en) 1987-03-19
EP0077688B1 (fr) 1985-07-17

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