ATE232675T1 - System und verfahren zur rauschverminderung im mikrofonpaarsignal mittels spektraler subtraktion - Google Patents

System und verfahren zur rauschverminderung im mikrofonpaarsignal mittels spektraler subtraktion

Info

Publication number
ATE232675T1
ATE232675T1 AT00925198T AT00925198T ATE232675T1 AT E232675 T1 ATE232675 T1 AT E232675T1 AT 00925198 T AT00925198 T AT 00925198T AT 00925198 T AT00925198 T AT 00925198T AT E232675 T1 ATE232675 T1 AT E232675T1
Authority
AT
Austria
Prior art keywords
spectral subtraction
mouth
microphone
noise
background noise
Prior art date
Application number
AT00925198T
Other languages
English (en)
Inventor
Harald Gustafsson
Ingvar Claesson
Sven Nordholm
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE232675T1 publication Critical patent/ATE232675T1/de

Links

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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
AT00925198T 1999-04-12 2000-04-11 System und verfahren zur rauschverminderung im mikrofonpaarsignal mittels spektraler subtraktion ATE232675T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/289,065 US6549586B2 (en) 1999-04-12 1999-04-12 System and method for dual microphone signal noise reduction using spectral subtraction
PCT/EP2000/003223 WO2000062579A1 (en) 1999-04-12 2000-04-11 System and method for dual microphone signal noise reduction using spectral subtraction

Publications (1)

Publication Number Publication Date
ATE232675T1 true ATE232675T1 (de) 2003-02-15

Family

ID=23109892

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00925198T ATE232675T1 (de) 1999-04-12 2000-04-11 System und verfahren zur rauschverminderung im mikrofonpaarsignal mittels spektraler subtraktion

Country Status (12)

Country Link
US (1) US6549586B2 (de)
EP (1) EP1169883B1 (de)
JP (1) JP2002542689A (de)
KR (1) KR20020005674A (de)
CN (1) CN1175709C (de)
AT (1) ATE232675T1 (de)
AU (1) AU4399900A (de)
BR (1) BR0009740A (de)
DE (1) DE60001398T2 (de)
HK (1) HK1047520B (de)
MY (1) MY123423A (de)
WO (1) WO2000062579A1 (de)

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Also Published As

Publication number Publication date
CN1175709C (zh) 2004-11-10
CN1356014A (zh) 2002-06-26
US20010016020A1 (en) 2001-08-23
BR0009740A (pt) 2002-01-08
MY123423A (en) 2006-05-31
DE60001398D1 (de) 2003-03-20
HK1047520B (zh) 2005-06-24
KR20020005674A (ko) 2002-01-17
JP2002542689A (ja) 2002-12-10
US6549586B2 (en) 2003-04-15
DE60001398T2 (de) 2003-09-04
WO2000062579A1 (en) 2000-10-19
AU4399900A (en) 2000-11-14
HK1047520A1 (en) 2003-02-21
EP1169883B1 (de) 2003-02-12
EP1169883A1 (de) 2002-01-09

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