NL190533C - Adaptief signaalweegsysteem. - Google Patents
Adaptief signaalweegsysteem.Info
- Publication number
- NL190533C NL190533C NLAANVRAGE8400273,A NL8400273A NL190533C NL 190533 C NL190533 C NL 190533C NL 8400273 A NL8400273 A NL 8400273A NL 190533 C NL190533 C NL 190533C
- Authority
- NL
- Netherlands
- Prior art keywords
- weighing system
- adaptive signal
- signal weighing
- adaptive
- weighing
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000005303 weighing Methods 0.000 title 1
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
-
- 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
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46237283 | 1983-01-31 | ||
US06/462,372 US4539526A (en) | 1983-01-31 | 1983-01-31 | Adaptive signal weighting system |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8400273A NL8400273A (nl) | 1984-08-16 |
NL190533B NL190533B (nl) | 1993-11-01 |
NL190533C true NL190533C (nl) | 1994-04-05 |
Family
ID=23836205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE8400273,A NL190533C (nl) | 1983-01-31 | 1984-01-30 | Adaptief signaalweegsysteem. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4539526A (nl) |
JP (1) | JPH0697753B2 (nl) |
KR (1) | KR900008595B1 (nl) |
AU (1) | AU566512B2 (nl) |
BR (1) | BR8400387A (nl) |
CA (1) | CA1201070A (nl) |
DE (1) | DE3403321C2 (nl) |
FR (1) | FR2540313B1 (nl) |
GB (1) | GB2134357B (nl) |
MX (1) | MX162841B (nl) |
NL (1) | NL190533C (nl) |
Families Citing this family (26)
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)
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 |
-
1983
- 1983-01-31 US US06/462,372 patent/US4539526A/en not_active Expired - Lifetime
-
1984
- 1984-01-05 GB GB08400143A patent/GB2134357B/en not_active Expired
- 1984-01-18 CA CA000445562A patent/CA1201070A/en not_active Expired
- 1984-01-23 AU AU23685/84A patent/AU566512B2/en not_active Expired
- 1984-01-27 MX MX200165A patent/MX162841B/es unknown
- 1984-01-30 FR FR8401361A patent/FR2540313B1/fr not_active Expired
- 1984-01-30 JP JP59014981A patent/JPH0697753B2/ja not_active Expired - Lifetime
- 1984-01-30 NL NLAANVRAGE8400273,A patent/NL190533C/nl not_active IP Right Cessation
- 1984-01-30 BR BR8400387A patent/BR8400387A/pt not_active IP Right Cessation
- 1984-01-31 KR KR1019840000488A patent/KR900008595B1/ko not_active IP Right Cessation
- 1984-01-31 DE DE3403321A patent/DE3403321C2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
MX162841B (es) | 1991-06-28 |
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 |
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: B.S.R. (U.S.A.) LTD. |
|
CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: CAPETRONIC (N.Y.), INC. |
|
DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: BSR NORTH AMERICA LTD. |
|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: MILLS-RALSTON, INC. |
|
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: THAT CORPORATION |
|
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Effective date: 20040130 |