DE69839260T2 - Verfahren und gerät zum gebrauchen von zustandsbestimmung zum steuern von funktionsteilen in digitalen telefonsystemen - Google Patents

Verfahren und gerät zum gebrauchen von zustandsbestimmung zum steuern von funktionsteilen in digitalen telefonsystemen Download PDF

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Publication number
DE69839260T2
DE69839260T2 DE69839260T DE69839260T DE69839260T2 DE 69839260 T2 DE69839260 T2 DE 69839260T2 DE 69839260 T DE69839260 T DE 69839260T DE 69839260 T DE69839260 T DE 69839260T DE 69839260 T2 DE69839260 T2 DE 69839260T2
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Prior art keywords
signal
speech
echo
state information
information signal
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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
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DE69839260T
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English (en)
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DE69839260D1 (de
Inventor
Gilbert C. San Diego SIH
Anthony P. San Diego MAURO
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Facsimile Transmission Control (AREA)
DE69839260T 1997-01-31 1998-01-27 Verfahren und gerät zum gebrauchen von zustandsbestimmung zum steuern von funktionsteilen in digitalen telefonsystemen Expired - Lifetime DE69839260T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/834,397 US5920834A (en) 1997-01-31 1997-01-31 Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system
US834397 1997-01-31
PCT/US1998/001057 WO1998034354A1 (en) 1997-01-31 1998-01-27 Method and apparatus for using state determination to control functional elements in digital telephone systems

Publications (2)

Publication Number Publication Date
DE69839260D1 DE69839260D1 (de) 2008-04-30
DE69839260T2 true DE69839260T2 (de) 2009-04-16

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DE69839260T Expired - Lifetime DE69839260T2 (de) 1997-01-31 1998-01-27 Verfahren und gerät zum gebrauchen von zustandsbestimmung zum steuern von funktionsteilen in digitalen telefonsystemen

Country Status (12)

Country Link
US (1) US5920834A (enExample)
EP (1) EP0956658B1 (enExample)
JP (1) JP4522497B2 (enExample)
KR (1) KR20000070686A (enExample)
CN (1) CN1218506C (enExample)
AT (1) ATE389977T1 (enExample)
AU (1) AU5962498A (enExample)
CA (1) CA2278928A1 (enExample)
DE (1) DE69839260T2 (enExample)
TW (1) TW370747B (enExample)
WO (1) WO1998034354A1 (enExample)
ZA (1) ZA98761B (enExample)

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Also Published As

Publication number Publication date
US5920834A (en) 1999-07-06
TW370747B (en) 1999-09-21
EP0956658A1 (en) 1999-11-17
JP2001510655A (ja) 2001-07-31
KR20000070686A (ko) 2000-11-25
EP0956658B1 (en) 2008-03-19
CN1218506C (zh) 2005-09-07
CA2278928A1 (en) 1998-08-06
WO1998034354A1 (en) 1998-08-06
HK1025196A1 (en) 2000-11-03
AU5962498A (en) 1998-08-25
CN1249869A (zh) 2000-04-05
JP4522497B2 (ja) 2010-08-11
DE69839260D1 (de) 2008-04-30
ZA98761B (en) 1998-08-17
ATE389977T1 (de) 2008-04-15

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