DE602005024720D1 - Vorrichtung und verfahren zum entfernen von umgebungsgeräuschen und mit der vorrichtung ausgestattetes mobilkommunikationsendgerät - Google Patents

Vorrichtung und verfahren zum entfernen von umgebungsgeräuschen und mit der vorrichtung ausgestattetes mobilkommunikationsendgerät

Info

Publication number
DE602005024720D1
DE602005024720D1 DE602005024720T DE602005024720T DE602005024720D1 DE 602005024720 D1 DE602005024720 D1 DE 602005024720D1 DE 602005024720 T DE602005024720 T DE 602005024720T DE 602005024720 T DE602005024720 T DE 602005024720T DE 602005024720 D1 DE602005024720 D1 DE 602005024720D1
Authority
DE
Germany
Prior art keywords
mobile communication
communication terminal
tone source
ambient noise
reference current
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.)
Active
Application number
DE602005024720T
Other languages
English (en)
Inventor
Hyun-Kook Ahn
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.)
Pishon Anc Co Ltd
Original Assignee
Pishon Anc Co 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 Pishon Anc Co Ltd filed Critical Pishon Anc Co Ltd
Publication of DE602005024720D1 publication Critical patent/DE602005024720D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
DE602005024720T 2005-09-05 2005-09-13 Vorrichtung und verfahren zum entfernen von umgebungsgeräuschen und mit der vorrichtung ausgestattetes mobilkommunikationsendgerät Active DE602005024720D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050082380A KR100638337B1 (ko) 2005-09-05 2005-09-05 주변소음 제거장치 및 방법과 이를 구비한 이동통신 단말기
PCT/KR2005/003011 WO2007029899A1 (en) 2005-09-05 2005-09-13 Apparatus and method for removing ambient noise and mobile communication terminal equipped with the apparatus

Publications (1)

Publication Number Publication Date
DE602005024720D1 true DE602005024720D1 (de) 2010-12-23

Family

ID=37621855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005024720T Active DE602005024720D1 (de) 2005-09-05 2005-09-13 Vorrichtung und verfahren zum entfernen von umgebungsgeräuschen und mit der vorrichtung ausgestattetes mobilkommunikationsendgerät

Country Status (13)

Country Link
US (1) US20080130909A1 (de)
EP (1) EP1922820B1 (de)
JP (1) JP2009507416A (de)
KR (1) KR100638337B1 (de)
CN (1) CN101103544A (de)
AT (1) ATE488048T1 (de)
AU (1) AU2005336165B2 (de)
BR (1) BRPI0520494A2 (de)
DE (1) DE602005024720D1 (de)
IL (1) IL189676A0 (de)
MA (1) MA29782B1 (de)
WO (1) WO2007029899A1 (de)
ZA (1) ZA200801771B (de)

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KR100857822B1 (ko) * 2007-03-27 2008-09-10 에스케이 텔레콤주식회사 음성 통신 장치에서의 주변 잡음신호 레벨에 따른 출력신호레벨 자동 조절 방법과 이를 위한 음성 통신 장치
CN104581516A (zh) * 2013-10-15 2015-04-29 清华大学 一种医学声信号的双麦克风消噪方法及装置
JP5869617B2 (ja) * 2014-05-12 2016-02-24 京セラ株式会社 携帯通信端末
CN106328157A (zh) * 2016-08-22 2017-01-11 维沃移动通信有限公司 一种语音处理电路、移动终端及语音处理方法
CN111899749B (zh) * 2020-07-14 2023-08-29 上海建工集团股份有限公司 一种监听混凝土泵送管道作业声音的降噪方法

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Also Published As

Publication number Publication date
AU2005336165A1 (en) 2007-03-15
EP1922820A4 (de) 2009-02-25
EP1922820B1 (de) 2010-11-10
KR100638337B1 (ko) 2006-10-24
ZA200801771B (en) 2009-01-28
AU2005336165B2 (en) 2010-06-10
JP2009507416A (ja) 2009-02-19
BRPI0520494A2 (pt) 2010-07-13
EP1922820A1 (de) 2008-05-21
ATE488048T1 (de) 2010-11-15
IL189676A0 (en) 2008-06-05
CN101103544A (zh) 2008-01-09
MA29782B1 (fr) 2008-09-01
WO2007029899A1 (en) 2007-03-15
US20080130909A1 (en) 2008-06-05

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