JP4764995B2 - 雑音を含む音響信号の高品質化 - Google Patents

雑音を含む音響信号の高品質化 Download PDF

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JP4764995B2
JP4764995B2 JP2001517379A JP2001517379A JP4764995B2 JP 4764995 B2 JP4764995 B2 JP 4764995B2 JP 2001517379 A JP2001517379 A JP 2001517379A JP 2001517379 A JP2001517379 A JP 2001517379A JP 4764995 B2 JP4764995 B2 JP 4764995B2
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signal
noise
template
low noise
processor
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JP2003507764A (ja
JP2003507764A5 (enExample
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ザカロスカス，ピエール
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キューエヌエックス ソフトウェア システムズ コーポレイション
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    • 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

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  • 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)
JP2001517379A 1999-08-16 2000-08-11 雑音を含む音響信号の高品質化 Expired - Lifetime JP4764995B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/375,309 US6910011B1 (en) 1999-08-16 1999-08-16 Noisy acoustic signal enhancement
US09/375,309 1999-08-16
PCT/US2000/022201 WO2001013364A1 (en) 1999-08-16 2000-08-11 Method for enhancement of acoustic signal in noise

Publications (3)

Publication Number Publication Date
JP2003507764A JP2003507764A (ja) 2003-02-25
JP2003507764A5 JP2003507764A5 (enExample) 2007-09-20
JP4764995B2 true JP4764995B2 (ja) 2011-09-07

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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
EP1208563B1 (en) 2006-04-19
JP2003507764A (ja) 2003-02-25
ATE323937T1 (de) 2006-05-15
AU6769600A (en) 2001-03-13
DE60027438D1 (de) 2006-05-24

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