ATE226768T1 - Verfahren zum einstellen von audiosignalen in abhängigkeit von änderungen in einer versorgungsspannung und dazugehörige kommunikationsvorichtungen - Google Patents

Verfahren zum einstellen von audiosignalen in abhängigkeit von änderungen in einer versorgungsspannung und dazugehörige kommunikationsvorichtungen

Info

Publication number
ATE226768T1
ATE226768T1 AT99940872T AT99940872T ATE226768T1 AT E226768 T1 ATE226768 T1 AT E226768T1 AT 99940872 T AT99940872 T AT 99940872T AT 99940872 T AT99940872 T AT 99940872T AT E226768 T1 ATE226768 T1 AT E226768T1
Authority
AT
Austria
Prior art keywords
changes
input signal
output sound
echo
supply voltage
Prior art date
Application number
AT99940872T
Other languages
English (en)
Inventor
Eric Romesburg
Patrik Lilja
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE226768T1 publication Critical patent/ATE226768T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/007—Control dependent on the supply voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Telephone Function (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT99940872T 1998-08-25 1999-08-03 Verfahren zum einstellen von audiosignalen in abhängigkeit von änderungen in einer versorgungsspannung und dazugehörige kommunikationsvorichtungen ATE226768T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/139,825 US6173056B1 (en) 1998-08-25 1998-08-25 Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices
PCT/US1999/017625 WO2000011781A1 (en) 1998-08-25 1999-08-03 Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices

Publications (1)

Publication Number Publication Date
ATE226768T1 true ATE226768T1 (de) 2002-11-15

Family

ID=22488473

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99940872T ATE226768T1 (de) 1998-08-25 1999-08-03 Verfahren zum einstellen von audiosignalen in abhängigkeit von änderungen in einer versorgungsspannung und dazugehörige kommunikationsvorichtungen

Country Status (13)

Country Link
US (1) US6173056B1 (de)
EP (1) EP1110306B1 (de)
JP (1) JP2002523953A (de)
KR (1) KR20010072911A (de)
CN (1) CN1314025A (de)
AT (1) ATE226768T1 (de)
AU (1) AU753722B2 (de)
BR (1) BR9913165A (de)
DE (1) DE69903653T2 (de)
EE (1) EE200100108A (de)
HK (1) HK1041120A1 (de)
MY (1) MY120369A (de)
WO (1) WO2000011781A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10327228A (ja) * 1997-05-26 1998-12-08 Brother Ind Ltd 通信装置
US7120803B2 (en) * 2000-04-03 2006-10-10 Yamaha Corporation Portable appliance for reproducing a musical composition, power saving method, and storage medium therefor
US6959167B1 (en) * 2000-08-11 2005-10-25 Scansoft, Inc. Noise-level adaptive residual echo suppressor
KR20020033279A (ko) * 2000-10-30 2002-05-06 설양 휴대폰의 핸즈프리 장치
KR100386414B1 (ko) * 2001-05-24 2003-06-09 엘지전자 주식회사 이동통신 단말기의 스피커 폰 장치 및 스피커 폰장치에서의 스피커 하울링 제거방법
US6889065B2 (en) * 2001-06-25 2005-05-03 Cingular Wireless Ii, Llc System and method for providing an adapter module
US6636749B2 (en) * 2001-06-25 2003-10-21 At&T Wireless Services, Inc. Method and apparatus for providing power and wireless protocol capability to a wireless device, such as a wireless phone
US6892051B2 (en) * 2001-06-25 2005-05-10 Cingular Wireless Ii, Llc System and method for providing an adapter module
JP3862545B2 (ja) * 2001-10-22 2006-12-27 沖電気工業株式会社 エコーキャンセラ
US20040156514A1 (en) * 2003-02-07 2004-08-12 Fletcher Brian Stewart Control device for an audio communication system
US20060121955A1 (en) * 2004-12-07 2006-06-08 Mindspeed Technologies, Inc. Wireless telephone having adaptable power consumption
US20070098188A1 (en) * 2005-11-02 2007-05-03 Felder Matthew D Equalization setting determination for audio devices
US8036402B2 (en) 2005-12-15 2011-10-11 Harman International Industries, Incorporated Distortion compensation
US11284048B2 (en) * 2006-01-31 2022-03-22 Andrew Flessas Robotically controlled display
KR100764788B1 (ko) * 2006-03-16 2007-10-11 엘지전자 주식회사 이동통신 단말기 및 이동통신 단말기의 음성신호 송신방법
US8331882B1 (en) 2007-06-22 2012-12-11 Panasonic Corporation VSWR normalizing envelope modulator
US7554395B1 (en) * 2007-06-28 2009-06-30 Panasonic Corporation Automatic low battery compensation scaling across multiple power amplifier stages
JP2009010895A (ja) * 2007-06-29 2009-01-15 Victor Co Of Japan Ltd 音声再生装置
US7702300B1 (en) 2007-07-12 2010-04-20 Panasonic Corporation Envelope modulator saturation detection using a DC-DC converter
CN105120387A (zh) * 2011-01-28 2015-12-02 申斗湜 耳内传声器及耳内传声器用电压控制装置
DE102011054060B4 (de) * 2011-09-29 2017-09-21 D&B Audiotechnik Gmbh Audioverstärker
DE102014200968A1 (de) * 2014-01-21 2015-07-23 Robert Bosch Gmbh Verstärkeranordnung mit Begrenzungsmodul
CN104917474B (zh) * 2014-03-14 2020-04-24 联想(北京)有限公司 一种音频放大模块增益的设置方法、以及电子设备
WO2017039429A1 (en) * 2015-08-28 2017-03-09 Motorola Solutions, Inc. Attenuator circuit for an electronic device having a battery and method for controlling the electronic device
EP3347985B1 (de) * 2015-09-07 2023-07-19 TDK Corporation Integrierte schaltung, schaltungsanordnung und verfahren zum betrieb davon
CN109979475A (zh) 2017-12-26 2019-07-05 深圳Tcl新技术有限公司 解决回声消除失效的方法、系统及存储介质
US10285081B1 (en) 2018-07-30 2019-05-07 Motorola Solutions, Inc. Method and apparatus for rapidly and dynamically adjusting current limiting in a portable communication device
US10263415B1 (en) 2018-07-30 2019-04-16 Motorola Solutions, Inc. Method and apparatus for rapidly and dynamically adjusting current limiting in a portable communication device
US10816603B1 (en) 2019-04-15 2020-10-27 Motorola Solutions, Inc. Determining available battery current in a portable electronic device
US10901479B1 (en) 2019-04-23 2021-01-26 Motorola Solutions, Inc. Method and apparatus for managing power-up of a portable communication device
US10998867B2 (en) * 2019-05-29 2021-05-04 Cirrus Logic, Inc. Avoiding clipping in audio power delivery by predicting available power supply energy
FI20195731A1 (en) * 2019-09-04 2021-03-05 Genelec Oy Audio amplifier for use with a limited power source
CN113038345B (zh) * 2019-12-09 2023-03-14 北京君正集成电路股份有限公司 一种在采集音频过程中优化音频信号的系统
TWI783210B (zh) * 2020-02-06 2022-11-11 瑞昱半導體股份有限公司 音訊編解碼電路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5007046A (en) * 1988-12-28 1991-04-09 At&T Bell Laboratories Computer controlled adaptive speakerphone
US5253291A (en) * 1990-10-18 1993-10-12 Ag Communication Systems Corporation Hybrid balance and combination codec filter circuit
US5202918A (en) * 1991-05-21 1993-04-13 Maxcom Electronics, Inc. Duplex transducer for simultaneous voice broadcast and reception
JPH05235814A (ja) 1992-02-25 1993-09-10 Matsushita Electric Ind Co Ltd 衛星通信装置
US5357567A (en) * 1992-08-14 1994-10-18 Motorola, Inc. Method and apparatus for volume switched gain control
JPH06216811A (ja) * 1993-01-20 1994-08-05 Toshiba Corp エコーキャンセラを備えた音声通信装置
US5557672A (en) * 1993-03-10 1996-09-17 Antec Corporation Channel interface unit
US5589796A (en) 1994-11-01 1996-12-31 Motorola, Inc Method and apparatus for increasing amplifier efficiency
US5600718A (en) 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
US5680450A (en) 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones

Also Published As

Publication number Publication date
WO2000011781A1 (en) 2000-03-02
BR9913165A (pt) 2001-05-15
EP1110306B1 (de) 2002-10-23
AU753722B2 (en) 2002-10-24
KR20010072911A (ko) 2001-07-31
MY120369A (en) 2005-10-31
DE69903653T2 (de) 2003-03-27
AU5464699A (en) 2000-03-14
DE69903653D1 (de) 2002-11-28
US6173056B1 (en) 2001-01-09
HK1041120A1 (zh) 2002-06-28
CN1314025A (zh) 2001-09-19
EP1110306A1 (de) 2001-06-27
EE200100108A (et) 2002-06-17
JP2002523953A (ja) 2002-07-30

Similar Documents

Publication Publication Date Title
ATE226768T1 (de) Verfahren zum einstellen von audiosignalen in abhängigkeit von änderungen in einer versorgungsspannung und dazugehörige kommunikationsvorichtungen
DE60140381D1 (de) Verstärkersysteme und verfahren mit einer festen und modulierten spannungversorgungsschaltung und mit einem hochsetz-tiefsetzstellerschaltregler
SE9704552D0 (sv) Noise reduction method and apparatus
CA2676772C (en) Method and apparatus for conserving battery power
DK1045988T3 (da) Detektering og kontrol af svingninger i en vindmølle
WO2004012476A3 (en) Electrical impedance based audio compensation in audio devices and methods therefor
MX9602253A (es) Metodo y aparato para amplificar una señal.
AU7345591A (en) Tinnitus masking device
NO20015905D0 (no) Fremgangsmåte for deteksjon av påbegynnelsen av kulloid formasjon i svovelpresipitering
MX9700353A (es) Expancion de microfono para reduccion de ruido de fondo.
ATE339804T1 (de) Vorrichtung zur detektion einer hüllkurve von hochfrequenzleistungssignalen
ATE416591T1 (de) Feedbackkompensation für hörgeräte mit systemabstandsschätzung
SE0000699D0 (sv) Krets och förfarande för dämpning av brus i en dataomvandlare
IL109883A (en) Electronic device for the generation of acoustic spatial effects
DE60013645D1 (de) Gerät zur detektion der öffnung einer passage in einer körperhöhle
NO991578D0 (no) FremgangsmÕte og innretning for °kning av mottakerimmunitet mot st°y
DE59701276D1 (de) Busankoppler zum übertragerfreien senden
ATE43468T1 (de) Energiesparende schaltvorrichtung.
DE69826328D1 (de) Setup-verfahren für linearisierschaltung
ATE453953T1 (de) Vorbehandlung von elektrischen signalen
SE9800936D0 (sv) A method and an arrangement in a subscriber line interface circuit
EP0113588A3 (de) Verfahren und Gerät zur rauscharmen-Stromverstärkung
SE0004622D0 (sv) Handsfree adapter
TW338867B (en) Echo elimination method and equipment by the audition effect
KR870011806A (ko) 간이교환장치의 호출신호와 피호출신호의 공급방법

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties