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EP0620546A3 - Energy detection procedure for noisy signals. - Google Patents

Energy detection procedure for noisy signals. Download PDF

Info

Publication number
EP0620546A3
EP0620546A3 EP94400779A EP94400779A EP0620546A3 EP 0620546 A3 EP0620546 A3 EP 0620546A3 EP 94400779 A EP94400779 A EP 94400779A EP 94400779 A EP94400779 A EP 94400779A EP 0620546 A3 EP0620546 A3 EP 0620546A3
Authority
EP
European Patent Office
Prior art keywords
energy detection
detection procedure
noisy signals
noisy
signals
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP94400779A
Other languages
German (de)
French (fr)
Other versions
EP0620546B1 (en
EP0620546A2 (en
Inventor
Dominique Pastor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Publication of EP0620546A2 publication Critical patent/EP0620546A2/en
Publication of EP0620546A3 publication Critical patent/EP0620546A3/en
Application granted granted Critical
Publication of EP0620546B1 publication Critical patent/EP0620546B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Noise Elimination (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
EP94400779A 1993-04-16 1994-04-11 Energy detection procedure for noisy signals Expired - Lifetime EP0620546B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9304519A FR2704111B1 (en) 1993-04-16 1993-04-16 Method for energetic detection of signals embedded in noise.
FR9304519 1993-04-16

Publications (3)

Publication Number Publication Date
EP0620546A2 EP0620546A2 (en) 1994-10-19
EP0620546A3 true EP0620546A3 (en) 1994-12-14
EP0620546B1 EP0620546B1 (en) 2001-09-19

Family

ID=9446150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400779A Expired - Lifetime EP0620546B1 (en) 1993-04-16 1994-04-11 Energy detection procedure for noisy signals

Country Status (5)

Country Link
US (1) US5511009A (en)
EP (1) EP0620546B1 (en)
JP (1) JPH0715363A (en)
DE (1) DE69428297T2 (en)
FR (1) FR2704111B1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731541B1 (en) * 1995-03-08 1997-08-08 Paul Bertrand ACOUSTIC INTRUSION DETECTION METHOD AND DEVICE
FR2744277B1 (en) * 1996-01-26 1998-03-06 Sextant Avionique VOICE RECOGNITION METHOD IN NOISE AMBIENCE, AND IMPLEMENTATION DEVICE
US5726658A (en) * 1996-06-03 1998-03-10 He Holdings, Inc. CDMA code generator employing mixing ergodic transformation
US5890111A (en) * 1996-12-24 1999-03-30 Technology Research Association Of Medical Welfare Apparatus Enhancement of esophageal speech by injection noise rejection
US5946649A (en) * 1997-04-16 1999-08-31 Technology Research Association Of Medical Welfare Apparatus Esophageal speech injection noise detection and rejection
FR2765715B1 (en) 1997-07-04 1999-09-17 Sextant Avionique METHOD FOR SEARCHING FOR A NOISE MODEL IN NOISE SOUND SIGNALS
US6349278B1 (en) * 1999-08-04 2002-02-19 Ericsson Inc. Soft decision signal estimation
FR2799601B1 (en) * 1999-10-08 2002-08-02 Schlumberger Systems & Service NOISE CANCELLATION DEVICE AND METHOD
US6535641B1 (en) * 1999-10-28 2003-03-18 The United States Of America As Represented By The Secretary Of The Navy Class specific classifier
US7508944B1 (en) * 2000-06-02 2009-03-24 Digimarc Corporation Using classification techniques in digital watermarking
US6754569B2 (en) * 2001-05-24 2004-06-22 Simmonds Precision Products, Inc. Method and apparatus for normalizing condition indicators
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) * 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
EP1845520A4 (en) * 2005-02-02 2011-08-10 Fujitsu Ltd SIGNAL PROCESSING METHOD AND SIGNAL PROCESSING DEVICE
EP2585227B1 (en) 2010-06-24 2022-02-09 CVR Global, Inc. Sensor, sensor pad and sensor array for detecting infrasonic acoustic signals
US11413653B2 (en) 2010-06-24 2022-08-16 Cvr Global, Inc. Sensor, sensor pad and sensor array for detecting infrasonic acoustic signals
JP6239294B2 (en) * 2013-07-18 2017-11-29 株式会社日立ハイテクノロジーズ Plasma processing apparatus and method of operating plasma processing apparatus
US11569135B2 (en) 2019-12-23 2023-01-31 Hitachi High-Tech Corporation Plasma processing method and wavelength selection method used in plasma processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0451796A1 (en) * 1990-04-09 1991-10-16 Kabushiki Kaisha Toshiba Speech detection apparatus with influence of input level and noise reduced
EP0518742A1 (en) * 1991-06-14 1992-12-16 Sextant Avionique Method for detecting a noisy wanted signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630304A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
GB8608289D0 (en) * 1986-04-04 1986-05-08 Pa Consulting Services Noise compensation in speech recognition
US4984275A (en) * 1987-03-13 1991-01-08 Matsushita Electric Industrial Co., Ltd. Method and apparatus for speech recognition
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0451796A1 (en) * 1990-04-09 1991-10-16 Kabushiki Kaisha Toshiba Speech detection apparatus with influence of input level and noise reduced
EP0518742A1 (en) * 1991-06-14 1992-12-16 Sextant Avionique Method for detecting a noisy wanted signal

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BOLL ET AL.: "Supression of acoustic noise in speech using spectral subtraction", IEEE TRANSACTIONS ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, vol. 27, no. 2, April 1979 (1979-04-01), NEW YORK, US, pages 113 - 120 *
KAY ET AL.: "Spectrum analysis - A modern perspective", PROCEEDINGS OF THE IEEE, vol. 69, no. 11, November 1981 (1981-11-01), NEW YORK, US, pages 1380 - 1419, XP001053647 *
MERHAV: "Universal classification for Hidden Markov Models", IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 37, no. 6, November 1991 (1991-11-01), NEW YORK, US, pages 1586 - 1594, XP000235396, DOI: doi:10.1109/18.104319 *
SIMS ET AL.: "A speech to noise ratio measurement algorithm", THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, vol. 78, no. 5, November 1985 (1985-11-01), NEW YORK, US, pages 1671 - 1674 *

Also Published As

Publication number Publication date
JPH0715363A (en) 1995-01-17
DE69428297T2 (en) 2002-07-04
DE69428297D1 (en) 2001-10-25
US5511009A (en) 1996-04-23
EP0620546B1 (en) 2001-09-19
FR2704111B1 (en) 1995-05-24
EP0620546A2 (en) 1994-10-19
FR2704111A1 (en) 1994-10-21

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