KR20010032522A - 잡음이 존재하는 상황에서 서브젝티브 신호 효과를향상시키기 위한 수단을 구비하는 전화기 - Google Patents

잡음이 존재하는 상황에서 서브젝티브 신호 효과를향상시키기 위한 수단을 구비하는 전화기 Download PDF

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Publication number
KR20010032522A
KR20010032522A KR1020007005764A KR20007005764A KR20010032522A KR 20010032522 A KR20010032522 A KR 20010032522A KR 1020007005764 A KR1020007005764 A KR 1020007005764A KR 20007005764 A KR20007005764 A KR 20007005764A KR 20010032522 A KR20010032522 A KR 20010032522A
Authority
KR
South Korea
Prior art keywords
noise
compression
function
audio signal
gain
Prior art date
Application number
KR1020007005764A
Other languages
English (en)
Korean (ko)
Inventor
아메드 엔. 카르카니엘하사니
다니에라 파레이레-미트조바
Original Assignee
요트.게.아. 롤페즈
코닌클리케 필립스 일렉트로닉스 엔.브이.
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 요트.게.아. 롤페즈, 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 요트.게.아. 롤페즈
Publication of KR20010032522A publication Critical patent/KR20010032522A/ko

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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
    • H04B1/38—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
    • 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
    • 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)
KR1020007005764A 1998-09-29 1999-09-14 잡음이 존재하는 상황에서 서브젝티브 신호 효과를향상시키기 위한 수단을 구비하는 전화기 KR20010032522A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR98/12159 1998-09-29
FR9812159A FR2783991A1 (fr) 1998-09-29 1998-09-29 Telephone avec moyens de rehaussement de l'impression subjective du signal en presence de bruit
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
KR20010032522A true KR20010032522A (ko) 2001-04-25

Family

ID=9530961

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007005764A KR20010032522A (ko) 1998-09-29 1999-09-14 잡음이 존재하는 상황에서 서브젝티브 신호 효과를향상시키기 위한 수단을 구비하는 전화기

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)

Families Citing this family (7)

* 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
US7539614B2 (en) * 2003-11-14 2009-05-26 Nxp B.V. System and method for audio signal processing using different gain factors for voiced and unvoiced phonemes
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
US20060262938A1 (en) 2005-05-18 2006-11-23 Gauger Daniel M Jr Adapted audio response
US8964997B2 (en) 2005-05-18 2015-02-24 Bose Corporation Adapted audio masking
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

Also Published As

Publication number Publication date
CN1289500A (zh) 2001-03-28
FR2783991A1 (fr) 2000-03-31
WO2000019686A1 (fr) 2000-04-06
EP1044549A1 (fr) 2000-10-18
JP2002526983A (ja) 2002-08-20
TW444488B (en) 2001-07-01

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