DE60100502D1 - 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
DE60100502D1
DE60100502D1 DE60100502T DE60100502T DE60100502D1 DE 60100502 D1 DE60100502 D1 DE 60100502D1 DE 60100502 T DE60100502 T DE 60100502T DE 60100502 T DE60100502 T DE 60100502T DE 60100502 D1 DE60100502 D1 DE 60100502D1
Authority
DE
Germany
Prior art keywords
spectral subtraction
mouth
microphone
noise
background noise
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.)
Expired - Lifetime
Application number
DE60100502T
Other languages
English (en)
Inventor
Ingvar Claesson
Sven Nordholm
Ulf Lindgren
Harald Gustavsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60100502D1 publication Critical patent/DE60100502D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE60100502T 2000-01-28 2001-01-16 System und verfahren zur rauschverminderung im mikrofonpaarsignal mittels spektraler subtraktion Expired - Lifetime DE60100502D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/493,265 US6717991B1 (en) 1998-05-27 2000-01-28 System and method for dual microphone signal noise reduction using spectral subtraction
PCT/EP2001/000468 WO2001056328A1 (en) 2000-01-28 2001-01-16 System and method for dual microphone signal noise reduction using spectral subtraction

Publications (1)

Publication Number Publication Date
DE60100502D1 true DE60100502D1 (de) 2003-08-28

Family

ID=23959535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60100502T Expired - Lifetime DE60100502D1 (de) 2000-01-28 2001-01-16 System und verfahren zur rauschverminderung im mikrofonpaarsignal mittels spektraler subtraktion

Country Status (8)

Country Link
US (1) US6717991B1 (de)
EP (1) EP1252796B1 (de)
CN (1) CN1193644C (de)
AT (1) ATE245884T1 (de)
AU (1) AU2001225171A1 (de)
DE (1) DE60100502D1 (de)
MY (1) MY124883A (de)
WO (1) WO2001056328A1 (de)

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Also Published As

Publication number Publication date
WO2001056328A1 (en) 2001-08-02
AU2001225171A1 (en) 2001-08-07
MY124883A (en) 2006-07-31
CN1419794A (zh) 2003-05-21
EP1252796B1 (de) 2003-07-23
US6717991B1 (en) 2004-04-06
CN1193644C (zh) 2005-03-16
EP1252796A1 (de) 2002-10-30
ATE245884T1 (de) 2003-08-15

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