MX162841B - Mejoras a un sistema ponderador de senales autoadaptable - Google Patents

Mejoras a un sistema ponderador de senales autoadaptable

Info

Publication number
MX162841B
MX162841B MX200165A MX20016584A MX162841B MX 162841 B MX162841 B MX 162841B MX 200165 A MX200165 A MX 200165A MX 20016584 A MX20016584 A MX 20016584A MX 162841 B MX162841 B MX 162841B
Authority
MX
Mexico
Prior art keywords
self
weighing system
signal weighing
adaptable signal
adaptable
Prior art date
Application number
MX200165A
Other languages
English (en)
Inventor
Mark F Davis
Original Assignee
Bsr North America 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 Bsr North America Ltd filed Critical Bsr North America Ltd
Publication of MX162841B publication Critical patent/MX162841B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
MX200165A 1983-01-31 1984-01-27 Mejoras a un sistema ponderador de senales autoadaptable MX162841B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/462,372 US4539526A (en) 1983-01-31 1983-01-31 Adaptive signal weighting system

Publications (1)

Publication Number Publication Date
MX162841B true MX162841B (es) 1991-06-28

Family

ID=23836205

Family Applications (1)

Application Number Title Priority Date Filing Date
MX200165A MX162841B (es) 1983-01-31 1984-01-27 Mejoras a un sistema ponderador de senales autoadaptable

Country Status (11)

Country Link
US (1) US4539526A (es)
JP (1) JPH0697753B2 (es)
KR (1) KR900008595B1 (es)
AU (1) AU566512B2 (es)
BR (1) BR8400387A (es)
CA (1) CA1201070A (es)
DE (1) DE3403321C2 (es)
FR (1) FR2540313B1 (es)
GB (1) GB2134357B (es)
MX (1) MX162841B (es)
NL (1) NL190533C (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160394B (en) * 1984-05-02 1988-03-16 Pioneer Electronic Corp Noise reduction system
WO1988003695A1 (en) * 1986-11-04 1988-05-19 H.F.C. Sas Di Menetti & Zagni Analogical system for noise reduction in magnetic recordings
AU613010B2 (en) * 1987-08-28 1991-07-25 Motorola, Inc. Fm communications system with improved response to rayleigh-faded received signals
US5225836A (en) * 1988-03-23 1993-07-06 Central Institute For The Deaf Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods
EP0345365B1 (de) * 1988-06-07 1993-12-29 Deutsche ITT Industries GmbH Digitale Deemphasisschaltung
US5329062A (en) * 1990-07-31 1994-07-12 Casio Computer Co., Ltd. Method of recording/reproducing waveform and apparatus for reproducing waveform
JP3295480B2 (ja) * 1992-04-24 2002-06-24 パイオニア株式会社 周波数コントロール装置および方法
US5451949A (en) * 1993-02-16 1995-09-19 Dolby Laboratories Licensing Corporation One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation
JP3436777B2 (ja) * 1993-08-11 2003-08-18 パイオニア株式会社 ノイズリダクションシステムにおける再生ポジション選択方法および装置
US5666430A (en) * 1995-01-09 1997-09-09 Matsushita Electric Corporation Of America Method and apparatus for leveling audio output
KR100457840B1 (ko) * 1995-12-22 2005-04-06 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오증폭기
US8908872B2 (en) * 1996-06-07 2014-12-09 That Corporation BTSC encoder
US5796842A (en) * 1996-06-07 1998-08-18 That Corporation BTSC encoder
US6037993A (en) * 1997-03-17 2000-03-14 Antec Corporation Digital BTSC compander system
US6259482B1 (en) 1998-03-11 2001-07-10 Matthew F. Easley Digital BTSC compander system
JP2001127660A (ja) * 1999-10-28 2001-05-11 Fujitsu Ltd 無線通信機及び受信系統の利得制御方法
DE10116358A1 (de) * 2001-04-02 2002-11-07 Micronas Gmbh Vorrichtung und Verfahren zur Erfassung und Unterdrückung von Störungen
US7046750B1 (en) 2001-04-09 2006-05-16 Micronas Gmbh Adaptive signal weighting system
DE10122922A1 (de) * 2001-05-11 2002-11-14 Mgp Instr Gmbh Verfahren und Filtereinrichtung zur Fluktuatiuonsunterdrückung bei Meßdaten
DE10124699C1 (de) * 2001-05-18 2002-12-19 Micronas Gmbh Schaltungsanordnung zur Verbesserung der Verständlichkeit von Sprache enthaltenden Audiosignalen
US7242784B2 (en) * 2001-09-04 2007-07-10 Motorola Inc. Dynamic gain control of audio in a communication device
KR100841096B1 (ko) * 2002-10-14 2008-06-25 리얼네트웍스아시아퍼시픽 주식회사 음성 코덱에 대한 디지털 오디오 신호의 전처리 방법
TWI237971B (en) * 2002-11-18 2005-08-11 Ind Tech Res Inst Automatically adjusting gain/bandwidth loop filter
WO2004093316A2 (en) * 2003-04-17 2004-10-28 Koninklijke Philips Electronics N.V. Adaptive filtering
US9324337B2 (en) * 2009-11-17 2016-04-26 Dolby Laboratories Licensing Corporation Method and system for dialog enhancement
TWI456914B (zh) 2010-09-16 2014-10-11 Ind Tech Res Inst 能量偵測方法及應用其之能量偵測電路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789143A (en) * 1971-03-29 1974-01-29 D Blackmer Compander with control signal logarithmically related to the instantaneous rms value of the input signal
US3735290A (en) * 1972-04-18 1973-05-22 Victor Company Of Japan Compressing and/or expanding system comprising fixed and variable frequency characteristic changing circuits
US3848091A (en) * 1973-04-12 1974-11-12 Holmes J Method of fitting a prosthetic device for providing corrections of auditory deficiencies in aurally handicapped persons
US4025723A (en) * 1975-07-07 1977-05-24 Hearing Health Group, Inc. Real time amplitude control of electrical waves
US4101849A (en) * 1976-11-08 1978-07-18 Dbx, Inc. Adaptive filter
JPS5390808A (en) * 1977-01-21 1978-08-10 Nec Corp Moise reduction system
JPS53144607A (en) * 1977-05-23 1978-12-16 Sanyo Electric Co Ltd Noise reducing circuit
JPS5439516A (en) * 1977-09-02 1979-03-27 Sanyo Electric Co Ltd Noise reduction unit
JPS56152337A (en) * 1980-04-24 1981-11-25 Victor Co Of Japan Ltd Noise reduction system
JPS5744338A (en) * 1980-08-29 1982-03-12 Victor Co Of Japan Ltd Noise reduction device
JPS5760714A (en) * 1980-09-29 1982-04-12 Toshiba Corp Adjusting device for frequency characteristic

Also Published As

Publication number Publication date
GB2134357B (en) 1987-04-29
AU2368584A (en) 1984-08-02
AU566512B2 (en) 1987-10-22
KR900008595B1 (ko) 1990-11-26
DE3403321C2 (de) 1994-07-28
GB2134357A (en) 1984-08-08
BR8400387A (pt) 1984-09-04
FR2540313A1 (fr) 1984-08-03
US4539526A (en) 1985-09-03
GB8400143D0 (en) 1984-02-08
NL190533C (nl) 1994-04-05
NL8400273A (nl) 1984-08-16
DE3403321A1 (de) 1984-08-09
JPH0697753B2 (ja) 1994-11-30
NL190533B (nl) 1993-11-01
FR2540313B1 (fr) 1988-09-16
CA1201070A (en) 1986-02-25
KR840007330A (ko) 1984-12-06
JPS59146230A (ja) 1984-08-22

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