KR870000801A - 직렬 및 병렬회로 기술을 사용하여 동적범위를 변경시키기 위한 회로장치 - Google Patents
직렬 및 병렬회로 기술을 사용하여 동적범위를 변경시키기 위한 회로장치Info
- Publication number
- KR870000801A KR870000801A KR1019860004807A KR860004807A KR870000801A KR 870000801 A KR870000801 A KR 870000801A KR 1019860004807 A KR1019860004807 A KR 1019860004807A KR 860004807 A KR860004807 A KR 860004807A KR 870000801 A KR870000801 A KR 870000801A
- Authority
- KR
- South Korea
- Prior art keywords
- serial
- dynamic range
- changing dynamic
- circuit device
- parallel circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US744,965 | 1985-06-17 | ||
| US06/744,965 US4701722A (en) | 1985-06-17 | 1985-06-17 | Circuit arrangements for modifying dynamic range using series and parallel circuit techniques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870000801A true KR870000801A (ko) | 1987-02-20 |
| KR960001039B1 KR960001039B1 (ko) | 1996-01-17 |
Family
ID=24994654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860004807A KR960001039B1 (ko) | 1985-06-17 | 1986-06-17 | 직렬 및 병렬회로 기술을 사용하여 동적범위를 변경시키기 위한 회로장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4701722A (ko) |
| EP (1) | EP0206746B1 (ko) |
| JP (1) | JPH0779278B2 (ko) |
| KR (1) | KR960001039B1 (ko) |
| DE (1) | DE3686519T2 (ko) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801890A (en) * | 1985-06-17 | 1989-01-31 | Dolby Ray Milton | Circuit arrangements for modifying dynamic range using variable combining techniques |
| US4815068A (en) * | 1987-08-07 | 1989-03-21 | Dolby Ray Milton | Audio encoder for use with more than one decoder each having different characteristics |
| JPH01181332A (ja) * | 1988-01-14 | 1989-07-19 | Sanyo Electric Co Ltd | 音声伝送システム |
| US4864162A (en) * | 1988-05-10 | 1989-09-05 | Grumman Aerospace Corporation | Voltage variable FET resistor with chosen resistance-voltage relationship |
| US4875023A (en) * | 1988-05-10 | 1989-10-17 | Grumman Aerospace Corporation | Variable attenuator having voltage variable FET resistor with chosen resistance-voltage relationship |
| JPH02214323A (ja) * | 1989-02-15 | 1990-08-27 | Mitsubishi Electric Corp | 適応型ハイパスフィルタ |
| ATE85868T1 (de) * | 1989-04-03 | 1993-03-15 | Dolby Lab Licensing Corp | Audiokompressor, expander und rauschunterdrueckungsschaltungen fuer verbraucher und semiprofessionelle anwendungen. |
| US5185806A (en) * | 1989-04-03 | 1993-02-09 | Dolby Ray Milton | Audio compressor, expander, and noise reduction circuits for consumer and semi-professional use |
| JP3229051B2 (ja) * | 1993-01-29 | 2001-11-12 | 株式会社東芝 | アナログコンパンダ回路 |
| JP3217557B2 (ja) * | 1993-10-01 | 2001-10-09 | 株式会社東芝 | 電圧利得制御回路 |
| TW295747B (ko) * | 1994-06-13 | 1997-01-11 | Sony Co Ltd | |
| US5907623A (en) * | 1995-11-22 | 1999-05-25 | Sony Corporation Of Japan | Audio noise reduction system implemented through digital signal processing |
| US6448846B2 (en) * | 1998-10-01 | 2002-09-10 | Stephen R. Schwartz | Controlled phase-canceling circuits/systems |
| US6518852B1 (en) * | 1999-04-19 | 2003-02-11 | Raymond J. Derrick | Information signal compressor and expander |
| GB2385034B (en) * | 2002-02-11 | 2005-08-17 | Nsk Steering Sys Europ Ltd | Component coupling unit for steering column |
| DE10232645A1 (de) * | 2002-07-18 | 2004-02-05 | Harman/Becker Automotive Systems Gmbh (Straubing Division) | Schaltungsanordnung zur Verringerung des Dynamikbereichs von Audiosignalen |
| JP2004235872A (ja) * | 2003-01-29 | 2004-08-19 | Nippon Hoso Kyokai <Nhk> | 音声調整回路 |
| US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US9413321B2 (en) | 2004-08-10 | 2016-08-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US11431312B2 (en) | 2004-08-10 | 2022-08-30 | 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 |
| DE102004052296A1 (de) * | 2004-10-27 | 2006-05-04 | Sennheiser Electronic Gmbh & Co. Kg | Sender und Empfänger für ein drahtloses Audio-Übertragungssystem |
| US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing 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 |
| US9195433B2 (en) | 2006-02-07 | 2015-11-24 | Bongiovi Acoustics Llc | In-line signal processor |
| US9348904B2 (en) | 2006-02-07 | 2016-05-24 | 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 |
| 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 |
| US9112508B2 (en) | 2010-06-09 | 2015-08-18 | Broadcom Corporation | Adaptive powered local oscillator generator circuit and related method |
| US8929844B2 (en) * | 2010-08-30 | 2015-01-06 | Broadcom Corporation | Variable gain control transformer and RF transmitter utilizing same |
| US8862064B2 (en) | 2010-09-24 | 2014-10-14 | Broadcom Corporation | Self-testing transceiver architecture and related method |
| US9344828B2 (en) | 2012-12-21 | 2016-05-17 | Bongiovi Acoustics Llc. | System and method for 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 |
| US9264004B2 (en) | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
| US9397629B2 (en) * | 2013-10-22 | 2016-07-19 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
| US9615813B2 (en) | 2014-04-16 | 2017-04-11 | 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 |
| US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| WO2019200119A1 (en) | 2018-04-11 | 2019-10-17 | 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 |
| US10755722B2 (en) * | 2018-08-29 | 2020-08-25 | Guoguang Electric Company Limited | Multiband audio signal dynamic range compression with overshoot suppression |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2589723A (en) * | 1948-12-09 | 1952-03-18 | Bendix Aviat Corp | Noise suppressor for audio circuits |
| US3911371A (en) * | 1971-07-24 | 1975-10-07 | Sony Corp | Signal transmission system |
| US3902131A (en) * | 1974-09-06 | 1975-08-26 | Quadracast Systems | Tandem audio dynamic range expander |
| US4101849A (en) * | 1976-11-08 | 1978-07-18 | Dbx, Inc. | Adaptive filter |
| JPS56122243A (en) * | 1980-02-29 | 1981-09-25 | Victor Co Of Japan Ltd | Noise reduction system |
| JPS56152337A (en) * | 1980-04-24 | 1981-11-25 | Victor Co Of Japan Ltd | Noise reduction system |
| CA1188384A (en) * | 1981-12-29 | 1985-06-04 | Masayuki Katakura | Noise reduction circuit |
| US4545258A (en) * | 1983-07-05 | 1985-10-08 | Rosemount Inc. | Circuit with adjustable amplitude and rolloff frequency characteristics |
-
1985
- 1985-06-17 US US06/744,965 patent/US4701722A/en not_active Expired - Lifetime
-
1986
- 1986-06-17 DE DE8686304676T patent/DE3686519T2/de not_active Expired - Lifetime
- 1986-06-17 JP JP61141215A patent/JPH0779278B2/ja not_active Expired - Lifetime
- 1986-06-17 EP EP86304676A patent/EP0206746B1/en not_active Expired - Lifetime
- 1986-06-17 KR KR1019860004807A patent/KR960001039B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0206746B1 (en) | 1992-08-26 |
| DE3686519T2 (de) | 1993-04-01 |
| US4701722A (en) | 1987-10-20 |
| EP0206746A2 (en) | 1986-12-30 |
| JPS62276930A (ja) | 1987-12-01 |
| EP0206746A3 (en) | 1988-07-13 |
| JPH0779278B2 (ja) | 1995-08-23 |
| KR960001039B1 (ko) | 1996-01-17 |
| DE3686519D1 (de) | 1992-10-01 |
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