CH607449A5 - - Google Patents
Info
- Publication number
- CH607449A5 CH607449A5 CH856076A CH856076A CH607449A5 CH 607449 A5 CH607449 A5 CH 607449A5 CH 856076 A CH856076 A CH 856076A CH 856076 A CH856076 A CH 856076A CH 607449 A5 CH607449 A5 CH 607449A5
- Authority
- CH
- Switzerland
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 |
|---|---|
| CH607449A5 true CH607449A5 (US06277897-20010821-C00009.png) | 1978-12-15 |
Family
ID=24374229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH856076A CH607449A5 (US06277897-20010821-C00009.png) | 1975-07-07 | 1976-07-05 |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (36)
| 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 |
| JPS59500297A (ja) * | 1981-08-26 | 1984-02-23 | ブロイ、グラハム フイリップ | 線路方式を用いた変調信号の転送を最大効率で行なわせるためのシステム |
| DE3268189D1 (en) * | 1981-12-11 | 1986-02-06 | Burroughs Corp | Improvements in and relating to differential signal decoders |
| GB2124456A (en) * | 1982-01-26 | 1984-02-15 | Bloy Graham P | System for maximum efficient transfer of modulated energy |
| US4539526A (en) * | 1983-01-31 | 1985-09-03 | Dbx, Inc. | Adaptive signal weighting system |
| AU569591B2 (en) * | 1983-10-25 | 1988-02-11 | Australian Hearing Services | Hearing aid amplification method and apparatus |
| US4803732A (en) * | 1983-10-25 | 1989-02-07 | Dillon Harvey A | 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 |
| 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 |
| US8085959B2 (en) * | 1994-07-08 | 2011-12-27 | Brigham Young University | Hearing compensation system incorporating signal processing techniques |
| WO1997014266A2 (en) * | 1995-10-10 | 1997-04-17 | 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 |
| DE10018666A1 (de) | 2000-04-14 | 2001-10-18 | Harman Audio Electronic Sys | Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals |
| US20040125962A1 (en) * | 2000-04-14 | 2004-07-01 | Markus Christoph | Method and apparatus for dynamic sound optimization |
| US7787640B2 (en) * | 2003-04-24 | 2010-08-31 | Massachusetts Institute Of Technology | System and method for spectral enhancement employing compression and expansion |
| DE602004004242T2 (de) * | 2004-03-19 | 2008-06-05 | Harman Becker Automotive Systems Gmbh | System und Verfahren zur Verbesserung eines Audiosignals |
| EP1833163B1 (en) * | 2004-07-20 | 2019-12-18 | Harman Becker Automotive Systems GmbH | Audio enhancement system and method |
| 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 |
| JPWO2009125840A1 (ja) * | 2008-04-10 | 2011-08-04 | シャープ株式会社 | 音声信号処理装置及び音声信号処理方法 |
| US9178479B2 (en) | 2011-09-15 | 2015-11-03 | Mitsubishi Electric Corporation | Dynamic range control apparatus |
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 DK DK305676A patent/DK305676A/da unknown
- 1976-07-06 JP JP8030876A patent/JPS5210014A/ja active Pending
- 1976-07-07 GB GB28324/76A patent/GB1553277A/en not_active Expired
- 1976-07-07 NL NL7607515A patent/NL7607515A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7607515A (nl) | 1977-01-11 |
| CA1061255A (en) | 1979-08-28 |
| DE2628626A1 (de) | 1977-01-27 |
| US4025723A (en) | 1977-05-24 |
| ATA488976A (de) | 1980-01-15 |
| JPS5210014A (en) | 1977-01-26 |
| GB1553277A (en) | 1979-09-26 |
| DK305676A (da) | 1977-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |