FI97001C - Koppling för behandling av en talsignal - Google Patents

Koppling för behandling av en talsignal

Info

Publication number
FI97001C
FI97001C FI932021A FI932021A FI97001C FI 97001 C FI97001 C FI 97001C FI 932021 A FI932021 A FI 932021A FI 932021 A FI932021 A FI 932021A FI 97001 C FI97001 C FI 97001C
Authority
FI
Finland
Prior art keywords
switching
speech signal
speech
signal
Prior art date
Application number
FI932021A
Other languages
English (en)
Finnish (fi)
Other versions
FI97001B (sv
FI932021A0 (sv
FI932021A (sv
Inventor
Jari Hagqvist
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI932021A priority Critical patent/FI97001C/sv
Publication of FI932021A0 publication Critical patent/FI932021A0/sv
Priority to GB9408187A priority patent/GB2277840B/en
Publication of FI932021A publication Critical patent/FI932021A/sv
Application granted granted Critical
Publication of FI97001B publication Critical patent/FI97001B/sv
Publication of FI97001C publication Critical patent/FI97001C/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
FI932021A 1993-05-05 1993-05-05 Koppling för behandling av en talsignal FI97001C (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI932021A FI97001C (sv) 1993-05-05 1993-05-05 Koppling för behandling av en talsignal
GB9408187A GB2277840B (en) 1993-05-05 1994-04-25 Circuit for handling a speech signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI932021 1993-05-05
FI932021A FI97001C (sv) 1993-05-05 1993-05-05 Koppling för behandling av en talsignal

Publications (4)

Publication Number Publication Date
FI932021A0 FI932021A0 (sv) 1993-05-05
FI932021A FI932021A (sv) 1994-12-01
FI97001B FI97001B (sv) 1996-06-14
FI97001C true FI97001C (sv) 1996-09-25

Family

ID=8537860

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932021A FI97001C (sv) 1993-05-05 1993-05-05 Koppling för behandling av en talsignal

Country Status (2)

Country Link
FI (1) FI97001C (sv)
GB (1) GB2277840B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606261C2 (de) * 1996-02-06 1998-04-09 Stage Tec Entwicklungsgesellsc Mikrofon mit zugeortnetem Verstärker
US6766176B1 (en) 1996-07-23 2004-07-20 Qualcomm Incorporated Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone
KR100742140B1 (ko) * 1999-03-30 2007-07-24 퀄컴 인코포레이티드 이동전화 스피커와 마이크로폰 이득을 자동으로 조정하는방법 및 장치
ATE367011T1 (de) * 1999-03-30 2007-08-15 Qualcomm Inc Verfahren und vorrichtung zum automatischen einstellen der verstärkungen des mikrophon- und sprecherverstärkers in einem tragbaren telefon
GB2407012B (en) * 2003-09-27 2008-04-23 Motorola Inc Speech communication unit and method of level adjustment therein
JP4241443B2 (ja) 2004-03-10 2009-03-18 ソニー株式会社 音声信号処理装置、音声信号処理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166612B (en) * 1982-02-22 1986-12-03 Rca Corp Television receiver with digital agc
DE3401748A1 (de) * 1984-01-19 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer eine digitale pegelregelung
DK163699C (da) * 1986-02-11 1992-08-17 Poul Richter Joergensen Fremgangsmaade til automatisk forstaerkningsstyring af et signal samt et kredsloeb til udoevelse af fremgangsmaaden
GB8610347D0 (en) * 1986-04-28 1986-06-04 Gen Electric Co Plc Agc circuit
FR2606956A1 (fr) * 1986-11-14 1988-05-20 Radiotechnique Compelec Dispositif de conversion analogique-numerique comportant un dispositif de controle automatique de gain
JPS63209209A (ja) * 1987-02-25 1988-08-30 Yamaha Corp デイジタル信号処理回路
US5083124A (en) * 1990-04-17 1992-01-21 Teleco Oilfield Services Inc. Nuclear logging tool electronics including programmable gain amplifier and peak detection circuits
JP2797712B2 (ja) * 1990-08-24 1998-09-17 モトローラ・インコーポレイテッド デュアル・モード自動利得制御

Also Published As

Publication number Publication date
GB2277840B (en) 1997-05-21
GB2277840A (en) 1994-11-09
FI97001B (sv) 1996-06-14
FI932021A0 (sv) 1993-05-05
GB9408187D0 (en) 1994-06-15
FI932021A (sv) 1994-12-01

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: NOKIA MOBILE PHONES LTD

BB Publication of examined application