ATE323937T1 - Verbesserung eines verrauschten akustischen signals - Google Patents

Verbesserung eines verrauschten akustischen signals

Info

Publication number
ATE323937T1
ATE323937T1 AT00955497T AT00955497T ATE323937T1 AT E323937 T1 ATE323937 T1 AT E323937T1 AT 00955497 T AT00955497 T AT 00955497T AT 00955497 T AT00955497 T AT 00955497T AT E323937 T1 ATE323937 T1 AT E323937T1
Authority
AT
Austria
Prior art keywords
signal
input signal
low noise
improvement
acoustic signal
Prior art date
Application number
AT00955497T
Other languages
German (de)
English (en)
Inventor
Pierre Zakarauskas
Original Assignee
Harman Becker Automotive Sys
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 Harman Becker Automotive Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE323937T1 publication Critical patent/ATE323937T1/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
    • G10L21/0208—Noise filtering
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Noise Elimination (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Amplifiers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AT00955497T 1999-08-16 2000-08-11 Verbesserung eines verrauschten akustischen signals ATE323937T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/375,309 US6910011B1 (en) 1999-08-16 1999-08-16 Noisy acoustic signal enhancement

Publications (1)

Publication Number Publication Date
ATE323937T1 true ATE323937T1 (de) 2006-05-15

Family

ID=23480366

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00955497T ATE323937T1 (de) 1999-08-16 2000-08-11 Verbesserung eines verrauschten akustischen signals

Country Status (8)

Country Link
US (2) US6910011B1 (enExample)
EP (1) EP1208563B1 (enExample)
JP (1) JP4764995B2 (enExample)
AT (1) ATE323937T1 (enExample)
AU (1) AU6769600A (enExample)
CA (1) CA2382175C (enExample)
DE (1) DE60027438T2 (enExample)
WO (1) WO2001013364A1 (enExample)

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Also Published As

Publication number Publication date
US6910011B1 (en) 2005-06-21
US20050222842A1 (en) 2005-10-06
DE60027438T2 (de) 2006-08-31
CA2382175C (en) 2010-02-23
EP1208563A1 (en) 2002-05-29
WO2001013364A1 (en) 2001-02-22
US7231347B2 (en) 2007-06-12
CA2382175A1 (en) 2001-02-22
JP4764995B2 (ja) 2011-09-07
EP1208563B1 (en) 2006-04-19
JP2003507764A (ja) 2003-02-25
AU6769600A (en) 2001-03-13
DE60027438D1 (de) 2006-05-24

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