IL154397A0 - Voice enhancement system - Google Patents

Voice enhancement system

Info

Publication number
IL154397A0
IL154397A0 IL15439701A IL15439701A IL154397A0 IL 154397 A0 IL154397 A0 IL 154397A0 IL 15439701 A IL15439701 A IL 15439701A IL 15439701 A IL15439701 A IL 15439701A IL 154397 A0 IL154397 A0 IL 154397A0
Authority
IL
Israel
Prior art keywords
audio signal
frequency component
enhancement system
voice enhancement
measure
Prior art date
Application number
IL15439701A
Other languages
English (en)
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
Publication of IL154397A0 publication Critical patent/IL154397A0/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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)
  • Telephone Function (AREA)
  • Selective Calling Equipment (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Traffic Control Systems (AREA)
  • Control Of Amplification And Gain Control (AREA)
IL15439701A 2000-08-14 2001-08-14 Voice enhancement system IL154397A0 (en)

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
IL154397A0 true IL154397A0 (en) 2003-09-17

Family

ID=26918789

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15439701A IL154397A0 (en) 2000-08-14 2001-08-14 Voice enhancement system

Country Status (10)

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

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Also Published As

Publication number Publication date
DE60108401T2 (de) 2006-04-06
EP1526639A2 (en) 2005-04-27
JP2004507141A (ja) 2004-03-04
EP1312162A1 (en) 2003-05-21
KR20030040399A (ko) 2003-05-22
EP1526639A3 (en) 2006-03-01
CN100397781C (zh) 2008-06-25
EP1312162B1 (en) 2005-01-12
ATE287141T1 (de) 2005-01-15
US20040057586A1 (en) 2004-03-25
DE60108401D1 (de) 2005-02-17
KR100860805B1 (ko) 2008-09-30
WO2002015395A1 (en) 2002-02-21
AU2001282454A1 (en) 2002-02-25
CN1620751A (zh) 2005-05-25

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