ATE455431T1 - Hörbarkeitsverbesserung - Google Patents

Hörbarkeitsverbesserung

Info

Publication number
ATE455431T1
ATE455431T1 AT04714539T AT04714539T ATE455431T1 AT E455431 T1 ATE455431 T1 AT E455431T1 AT 04714539 T AT04714539 T AT 04714539T AT 04714539 T AT04714539 T AT 04714539T AT E455431 T1 ATE455431 T1 AT E455431T1
Authority
AT
Austria
Prior art keywords
end user
far
hearability
improvement
speech signal
Prior art date
Application number
AT04714539T
Other languages
English (en)
Inventor
Toenu Trump
Anders Eriksson
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 ATE455431T1 publication Critical patent/ATE455431T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/32Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Noise Elimination (AREA)
  • Measuring Volume Flow (AREA)
  • Superheterodyne Receivers (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Circuits Of Receivers In General (AREA)
AT04714539T 2003-02-27 2004-02-25 Hörbarkeitsverbesserung ATE455431T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44987903P 2003-02-27 2003-02-27
PCT/SE2004/000261 WO2004077806A1 (en) 2003-02-27 2004-02-25 Audibility enhancement

Publications (1)

Publication Number Publication Date
ATE455431T1 true ATE455431T1 (de) 2010-01-15

Family

ID=32927588

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04714539T ATE455431T1 (de) 2003-02-27 2004-02-25 Hörbarkeitsverbesserung

Country Status (7)

Country Link
US (1) US7092514B2 (de)
EP (1) EP1599992B1 (de)
JP (1) JP4699988B2 (de)
AT (1) ATE455431T1 (de)
DE (1) DE602004025089D1 (de)
HK (1) HK1086412A1 (de)
WO (1) WO2004077806A1 (de)

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Also Published As

Publication number Publication date
US20050004796A1 (en) 2005-01-06
EP1599992A1 (de) 2005-11-30
HK1086412A1 (en) 2006-09-15
US7092514B2 (en) 2006-08-15
WO2004077806A1 (en) 2004-09-10
DE602004025089D1 (de) 2010-03-04
EP1599992B1 (de) 2010-01-13
JP4699988B2 (ja) 2011-06-15
JP2006519554A (ja) 2006-08-24

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