SG22584G - A circuit for compression or expansion of an electrical signal - Google Patents

A circuit for compression or expansion of an electrical signal

Info

Publication number
SG22584G
SG22584G SG225/84A SG22584A SG22584G SG 22584 G SG22584 G SG 22584G SG 225/84 A SG225/84 A SG 225/84A SG 22584 A SG22584 A SG 22584A SG 22584 G SG22584 G SG 22584G
Authority
SG
Singapore
Prior art keywords
expansion
compression
circuit
electrical signal
electrical
Prior art date
Application number
SG225/84A
Other languages
English (en)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of SG22584G publication Critical patent/SG22584G/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
SG225/84A 1979-05-12 1984-03-12 A circuit for compression or expansion of an electrical signal SG22584G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792919280 DE2919280A1 (de) 1979-05-12 1979-05-12 Schaltung zur wahlweisen automatischen dynamik-kompression oder -expansion

Publications (1)

Publication Number Publication Date
SG22584G true SG22584G (en) 1985-03-08

Family

ID=6070625

Family Applications (1)

Application Number Title Priority Date Filing Date
SG225/84A SG22584G (en) 1979-05-12 1984-03-12 A circuit for compression or expansion of an electrical signal

Country Status (10)

Country Link
US (1) US4353035A (de)
JP (1) JPS55163920A (de)
AU (1) AU5815280A (de)
DE (1) DE2919280A1 (de)
GB (1) GB2050773B (de)
HK (1) HK68984A (de)
IT (1) IT1130715B (de)
MY (1) MY8500649A (de)
NZ (1) NZ193676A (de)
SG (1) SG22584G (de)

Families Citing this family (44)

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JPS5744338A (en) * 1980-08-29 1982-03-12 Victor Co Of Japan Ltd Noise reduction device
US4449106A (en) * 1981-03-10 1984-05-15 Victor Company Of Japan, Ltd. Noise reducing apparatus
US4600902A (en) * 1983-07-01 1986-07-15 Wegener Communications, Inc. Compandor noise reduction circuit
US4630302A (en) * 1985-08-02 1986-12-16 Acousis Company Hearing aid method and apparatus
US4704727A (en) * 1985-11-27 1987-11-03 Beard Terry D Low noise and distortion FM transmission system and method
JP2547549B2 (ja) * 1986-10-04 1996-10-23 株式会社河合楽器製作所 電子楽器
US4882762A (en) * 1988-02-23 1989-11-21 Resound Corporation Multi-band programmable compression system
US5058138A (en) * 1990-01-16 1991-10-15 Pacesetter Electronics, Inc. Modular receiver for signals having multiple channels and multiple formats
US6928170B1 (en) 2000-11-02 2005-08-09 Audio Technica, Inc. Wireless microphone having a split-band audio frequency companding system that provides improved noise reduction and sound quality
AU2005274099B2 (en) * 2004-08-10 2010-07-01 Anthony Bongiovi System for and method of audio signal processing for presentation in a high-noise environment
US8565449B2 (en) * 2006-02-07 2013-10-22 Bongiovi Acoustics Llc. System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 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
US9281794B1 (en) 2004-08-10 2016-03-08 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
US11431312B2 (en) 2004-08-10 2022-08-30 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
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
US8705765B2 (en) 2006-02-07 2014-04-22 Bongiovi Acoustics Llc. Ringtone enhancement systems and methods
US9195433B2 (en) 2006-02-07 2015-11-24 Bongiovi Acoustics Llc In-line signal processor
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
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
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
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
US20090086996A1 (en) * 2007-06-18 2009-04-02 Anthony Bongiovi System and method for processing audio signal
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
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
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
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
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
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
JP2018537910A (ja) 2015-11-16 2018-12-20 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー 表面音響変換器
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
CN112236812A (zh) 2018-04-11 2021-01-15 邦吉欧维声学有限公司 音频增强听力保护系统
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
USD995390S1 (en) 2021-11-24 2023-08-15 Thermoflex Corp. Vehicle floor mat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287077A (en) * 1941-07-19 1942-06-23 Bell Telephone Labor Inc Volume range control in signal transmission systems
GB1253031A (de) * 1968-01-10 1971-11-10
US4114115A (en) * 1976-11-04 1978-09-12 California Microwave, Inc. Compandor apparatus
GB2002204B (en) * 1977-08-06 1982-01-27 Licentia Gmbh Dynamic compression or expansion circuits

Also Published As

Publication number Publication date
DE2919280A1 (de) 1980-11-20
NZ193676A (en) 1984-02-03
GB2050773A (en) 1981-01-07
MY8500649A (en) 1985-12-31
HK68984A (en) 1984-09-14
IT1130715B (it) 1986-06-18
IT8021800A0 (it) 1980-05-05
US4353035A (en) 1982-10-05
DE2919280C2 (de) 1989-01-26
AU5815280A (en) 1980-11-20
GB2050773B (en) 1983-10-19
JPS55163920A (en) 1980-12-20

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