ATE287141T1 - System zur erhöhung der sprachqualität - Google Patents

System zur erhöhung der sprachqualität

Info

Publication number
ATE287141T1
ATE287141T1 AT01961076T AT01961076T ATE287141T1 AT E287141 T1 ATE287141 T1 AT E287141T1 AT 01961076 T AT01961076 T AT 01961076T AT 01961076 T AT01961076 T AT 01961076T AT E287141 T1 ATE287141 T1 AT E287141T1
Authority
AT
Austria
Prior art keywords
audio signal
frequency component
measure
language quality
increasing
Prior art date
Application number
AT01961076T
Other languages
English (en)
Inventor
Zvi Licht
Original Assignee
Clear Audio 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 Clear Audio Ltd filed Critical Clear Audio Ltd
Application granted granted Critical
Publication of ATE287141T1 publication Critical patent/ATE287141T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Selective Calling Equipment (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Telephone Function (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Traffic Control Systems (AREA)
AT01961076T 2000-08-14 2001-08-14 System zur erhöhung der sprachqualität ATE287141T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22451300P 2000-08-14 2000-08-14
US23672100P 2000-10-02 2000-10-02
PCT/IL2001/000759 WO2002015395A1 (en) 2000-07-27 2001-08-14 Voice enhancement system

Publications (1)

Publication Number Publication Date
ATE287141T1 true ATE287141T1 (de) 2005-01-15

Family

ID=26918789

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01961076T ATE287141T1 (de) 2000-08-14 2001-08-14 System zur erhöhung der sprachqualität

Country Status (10)

Country Link
US (1) US20040057586A1 (de)
EP (2) EP1312162B1 (de)
JP (1) JP2004507141A (de)
KR (1) KR100860805B1 (de)
CN (1) CN100397781C (de)
AT (1) ATE287141T1 (de)
AU (1) AU2001282454A1 (de)
DE (1) DE60108401T2 (de)
IL (1) IL154397A0 (de)
WO (1) WO2002015395A1 (de)

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Also Published As

Publication number Publication date
DE60108401T2 (de) 2006-04-06
EP1312162B1 (de) 2005-01-12
JP2004507141A (ja) 2004-03-04
EP1526639A3 (de) 2006-03-01
EP1312162A1 (de) 2003-05-21
DE60108401D1 (de) 2005-02-17
KR100860805B1 (ko) 2008-09-30
AU2001282454A1 (en) 2002-02-25
EP1526639A2 (de) 2005-04-27
US20040057586A1 (en) 2004-03-25
WO2002015395A1 (en) 2002-02-21
IL154397A0 (en) 2003-09-17
CN1620751A (zh) 2005-05-25
KR20030040399A (ko) 2003-05-22
CN100397781C (zh) 2008-06-25

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