ATA488976A - Verstaerkeranordnung fuer eine hoerhilfe mit einem mikrophon - Google Patents
Verstaerkeranordnung fuer eine hoerhilfe mit einem mikrophonInfo
- Publication number
- ATA488976A ATA488976A AT488976A AT488976A ATA488976A AT A488976 A ATA488976 A AT A488976A AT 488976 A AT488976 A AT 488976A AT 488976 A AT488976 A AT 488976A AT A488976 A ATA488976 A AT A488976A
- Authority
- AT
- Austria
- Prior art keywords
- microphone
- amplifier arrangement
- healing aid
- healing
- aid
- Prior art date
Links
Classifications
-
- 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
- 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; 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
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/593,306 US4025723A (en) | 1975-07-07 | 1975-07-07 | Real time amplitude control of electrical waves |
Publications (1)
Publication Number | Publication Date |
---|---|
ATA488976A true ATA488976A (de) | 1980-01-15 |
Family
ID=24374229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT488976A ATA488976A (de) | 1975-07-07 | 1976-07-05 | Verstaerkeranordnung fuer eine hoerhilfe mit einem mikrophon |
Country Status (9)
Country | Link |
---|---|
US (1) | US4025723A (de) |
JP (1) | JPS5210014A (de) |
AT (1) | ATA488976A (de) |
CA (1) | CA1061255A (de) |
CH (1) | CH607449A5 (de) |
DE (1) | DE2628626A1 (de) |
DK (1) | DK305676A (de) |
GB (1) | GB1553277A (de) |
NL (1) | NL7607515A (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099035A (en) * | 1976-07-20 | 1978-07-04 | Paul Yanick | Hearing aid with recruitment compensation |
US4114115A (en) * | 1976-11-04 | 1978-09-12 | California Microwave, Inc. | Compandor apparatus |
US4177356A (en) * | 1977-10-20 | 1979-12-04 | Dbx Inc. | Signal enhancement system |
US4400583A (en) * | 1979-07-20 | 1983-08-23 | Metme Communications | Complete audio processing system |
US4409435A (en) * | 1980-10-03 | 1983-10-11 | Gen Engineering Co., Ltd. | Hearing aid suitable for use under noisy circumstance |
US4457014A (en) * | 1980-10-03 | 1984-06-26 | Metme Communications | Signal transfer and system utilizing transmission lines |
US4400590A (en) * | 1980-12-22 | 1983-08-23 | The Regents Of The University Of California | Apparatus for multichannel cochlear implant hearing aid system |
DE3131193A1 (de) * | 1981-08-06 | 1983-02-24 | Siemens AG, 1000 Berlin und 8000 München | Geraet zur kompensation von gehoerschaeden |
US4536888A (en) * | 1981-08-21 | 1985-08-20 | Plantronics, Inc. | Voice communication instrument system with line-powered receiver conditioning circuit |
GB2118408B (en) * | 1981-08-26 | 1985-06-19 | Eberhardt Alfred F | System for maximum efficiency transfer of modulated signals utilizing line systems |
DE3268189D1 (en) * | 1981-12-11 | 1986-02-06 | Burroughs Corp | Improvements in and relating to differential signal decoders |
JPS59500644A (ja) * | 1982-01-26 | 1984-04-12 | ブロイ、グラハム フイリップ | 変調エネルギ−を最大効率で伝送するためのシステム |
US4539526A (en) * | 1983-01-31 | 1985-09-03 | Dbx, Inc. | Adaptive signal weighting system |
US4803732A (en) * | 1983-10-25 | 1989-02-07 | Dillon Harvey A | Hearing aid amplification method and apparatus |
AU569591B2 (en) * | 1983-10-25 | 1988-02-11 | Australian Hearing Services | Hearing aid amplification method and apparatus |
US4837832A (en) * | 1987-10-20 | 1989-06-06 | Sol Fanshel | Electronic hearing aid with gain control means for eliminating low frequency noise |
US4879746A (en) * | 1987-12-30 | 1989-11-07 | Plantronics, Inc. | Voice communication link interface apparatus |
US5014319A (en) * | 1988-02-15 | 1991-05-07 | Avr Communications Ltd. | Frequency transposing hearing aid |
US5603726A (en) * | 1989-09-22 | 1997-02-18 | Alfred E. Mann Foundation For Scientific Research | Multichannel cochlear implant system including wearable speech processor |
US5876425A (en) * | 1989-09-22 | 1999-03-02 | Advanced Bionics Corporation | Power control loop for implantable tissue stimulator |
DE4238882A1 (de) * | 1992-11-19 | 1994-05-26 | Thomson Brandt Gmbh | Rundfunkempfänger |
US8085959B2 (en) * | 1994-07-08 | 2011-12-27 | Brigham Young University | Hearing compensation system incorporating signal processing techniques |
US5500902A (en) * | 1994-07-08 | 1996-03-19 | Stockham, Jr.; Thomas G. | Hearing aid device incorporating signal processing techniques |
US6072885A (en) * | 1994-07-08 | 2000-06-06 | Sonic Innovations, Inc. | Hearing aid device incorporating signal processing techniques |
AU7118696A (en) * | 1995-10-10 | 1997-04-30 | Audiologic, Inc. | Digital signal processing hearing aid with processing strategy selection |
US7010491B1 (en) * | 1999-12-09 | 2006-03-07 | Roland Corporation | Method and system for waveform compression and expansion with time axis |
US20040125962A1 (en) * | 2000-04-14 | 2004-07-01 | Markus Christoph | Method and apparatus for dynamic sound optimization |
DE10018666A1 (de) | 2000-04-14 | 2001-10-18 | Harman Audio Electronic Sys | Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals |
US7787640B2 (en) * | 2003-04-24 | 2010-08-31 | Massachusetts Institute Of Technology | System and method for spectral enhancement employing compression and expansion |
DE102005004766B4 (de) * | 2004-02-04 | 2009-06-25 | Gedo Lienemann | Verfahren zum Aufbereiten von Schallsignalen, insbesondere für das Zurverfügungstellen von aufzubereitenden Schallsignalen für schwerhörige Personen, und Vorrichtung zum Aufbereiten von Schallsignalen |
EP1580882B1 (de) * | 2004-03-19 | 2007-01-10 | Harman Becker Automotive Systems GmbH | System und Verfahren zur Verbesserung eines Audiosignals |
EP1619793B1 (de) * | 2004-07-20 | 2015-06-17 | Harman Becker Automotive Systems GmbH | Audioverbesserungssystem und -verfahren |
US8170221B2 (en) * | 2005-03-21 | 2012-05-01 | Harman Becker Automotive Systems Gmbh | Audio enhancement system and method |
DE602005015426D1 (de) | 2005-05-04 | 2009-08-27 | Harman Becker Automotive Sys | System und Verfahren zur Intensivierung von Audiosignalen |
US7672842B2 (en) * | 2006-07-26 | 2010-03-02 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for FFT-based companding for automatic speech recognition |
MX2010011053A (es) * | 2008-04-10 | 2010-11-12 | Sharp Kk | Dispositivo de procesamiento de señal de audio y metodo de procesamiento de señal de audio. |
CN103650041B (zh) | 2011-09-15 | 2015-11-25 | 三菱电机株式会社 | 动态范围控制装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1550684A (en) * | 1924-09-19 | 1925-08-25 | American Telephone & Telegraph | Prevention of overloading in speech circuits |
US2287077A (en) * | 1941-07-19 | 1942-06-23 | Bell Telephone Labor Inc | Volume range control in signal transmission systems |
US2340364A (en) * | 1942-08-22 | 1944-02-01 | Rca Corp | Audio transmission circuit |
US3229049A (en) * | 1960-08-04 | 1966-01-11 | Goldberg Hyman | Hearing aid |
US3180936A (en) * | 1960-12-01 | 1965-04-27 | Bell Telephone Labor Inc | Apparatus for suppressing noise and distortion in communication signals |
US3769611A (en) * | 1971-08-25 | 1973-10-30 | Cmx Systems Inc | Noise reduction system |
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 |
-
1975
- 1975-07-07 US US05/593,306 patent/US4025723A/en not_active Expired - Lifetime
-
1976
- 1976-06-25 DE DE19762628626 patent/DE2628626A1/de not_active Withdrawn
- 1976-07-05 AT AT488976A patent/ATA488976A/de not_active Application Discontinuation
- 1976-07-05 CH CH856076A patent/CH607449A5/xx not_active IP Right Cessation
- 1976-07-06 CA CA256,379A patent/CA1061255A/en not_active Expired
- 1976-07-06 JP JP8030876A patent/JPS5210014A/ja active Pending
- 1976-07-06 DK DK305676A patent/DK305676A/da unknown
- 1976-07-07 GB GB28324/76A patent/GB1553277A/en not_active Expired
- 1976-07-07 NL NL7607515A patent/NL7607515A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7607515A (nl) | 1977-01-11 |
CH607449A5 (de) | 1978-12-15 |
JPS5210014A (en) | 1977-01-26 |
US4025723A (en) | 1977-05-24 |
CA1061255A (en) | 1979-08-28 |
DK305676A (da) | 1977-01-08 |
DE2628626A1 (de) | 1977-01-27 |
GB1553277A (en) | 1979-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1Z | Withdrawn |