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JP2002526983A - ノイズのある状態で主体的信号効果を高める手段を有する電話機 - Google Patents

ノイズのある状態で主体的信号効果を高める手段を有する電話機

Info

Publication number
JP2002526983A
JP2002526983A JP2000573062A JP2000573062A JP2002526983A JP 2002526983 A JP2002526983 A JP 2002526983A JP 2000573062 A JP2000573062 A JP 2000573062A JP 2000573062 A JP2000573062 A JP 2000573062A JP 2002526983 A JP2002526983 A JP 2002526983A
Authority
JP
Japan
Prior art keywords
noise
compression
function
signal
gain
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2000573062A
Other languages
English (en)
Japanese (ja)
Inventor
エヌ カルカニ・エル・ハッサーニ，アハメド
パライル−ミツォヴァ，ダニエラ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2002526983A publication Critical patent/JP2002526983A/ja
Pending legal-status Critical Current

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
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
JP2000573062A 1998-09-29 1999-09-14 ノイズのある状態で主体的信号効果を高める手段を有する電話機 Pending JP2002526983A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9812159A FR2783991A1 (fr) 1998-09-29 1998-09-29 Telephone avec moyens de rehaussement de l'impression subjective du signal en presence de bruit
FR98/12159 1998-09-29
PCT/EP1999/006787 WO2000019686A1 (fr) 1998-09-29 1999-09-14 Telephone avec dispositif permettant d'ameliorer l'impression de signal subjective en presence de bruit

Publications (1)

Publication Number Publication Date
JP2002526983A true JP2002526983A (ja) 2002-08-20

Family

ID=9530961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000573062A Pending JP2002526983A (ja) 1998-09-29 1999-09-14 ノイズのある状態で主体的信号効果を高める手段を有する電話機

Country Status (7)

Country Link
EP (1) EP1044549A1 (fr)
JP (1) JP2002526983A (fr)
KR (1) KR20010032522A (fr)
CN (1) CN1289500A (fr)
FR (1) FR2783991A1 (fr)
TW (1) TW444488B (fr)
WO (1) WO2000019686A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007511793A (ja) * 2003-11-14 2007-05-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号処理システム及び方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6892177B2 (en) * 2001-02-26 2005-05-10 Qualcomm Incorporated Method and system for adjusting the dynamic range of a digital-to-analog converter in a wireless communications device
CN1811911B (zh) * 2005-01-28 2010-06-23 北京捷通华声语音技术有限公司 自适应的语音变换处理方法
US8964997B2 (en) 2005-05-18 2015-02-24 Bose Corporation Adapted audio masking
US20060262938A1 (en) 2005-05-18 2006-11-23 Gauger Daniel M Jr Adapted audio response
US8218783B2 (en) 2008-12-23 2012-07-10 Bose Corporation Masking based gain control
US8229125B2 (en) 2009-02-06 2012-07-24 Bose Corporation Adjusting dynamic range of an audio system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061874A (en) * 1976-06-03 1977-12-06 Fricke J P System for reproducing sound information
US4381488A (en) * 1981-02-18 1983-04-26 Fricke Jobst P Dynamic volume expander varying as a function of ambient noise level
JP3193032B2 (ja) * 1989-12-05 2001-07-30 パイオニア株式会社 車載用自動音量調整装置
US5357567A (en) * 1992-08-14 1994-10-18 Motorola, Inc. Method and apparatus for volume switched gain control
US5526419A (en) * 1993-12-29 1996-06-11 At&T Corp. Background noise compensation in a telephone set
DE19533260A1 (de) * 1995-09-08 1997-03-13 Siemens Ag Verfahren zur Dynamikregelung niederfrequenter, von Umweltgeräuschen beeinflußter Signale

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007511793A (ja) * 2003-11-14 2007-05-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号処理システム及び方法

Also Published As

Publication number Publication date
WO2000019686A1 (fr) 2000-04-06
EP1044549A1 (fr) 2000-10-18
TW444488B (en) 2001-07-01
CN1289500A (zh) 2001-03-28
FR2783991A1 (fr) 2000-03-31
KR20010032522A (ko) 2001-04-25

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