FR2948484B1 - Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile - Google Patents

Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile

Info

Publication number
FR2948484B1
FR2948484B1 FR0955133A FR0955133A FR2948484B1 FR 2948484 B1 FR2948484 B1 FR 2948484B1 FR 0955133 A FR0955133 A FR 0955133A FR 0955133 A FR0955133 A FR 0955133A FR 2948484 B1 FR2948484 B1 FR 2948484B1
Authority
FR
France
Prior art keywords
transients
hands
free
motor vehicle
stationary side
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.)
Expired - Fee Related
Application number
FR0955133A
Other languages
English (en)
Other versions
FR2948484A1 (fr
Inventor
Guillaume Vitte
Julie Seris
Guillaume Pinto
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.)
Parrot SA
Original Assignee
Parrot SA
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 Parrot SA filed Critical Parrot SA
Priority to FR0955133A priority Critical patent/FR2948484B1/fr
Priority to AT10166119T priority patent/ATE532345T1/de
Priority to EP10166119A priority patent/EP2293594B1/fr
Priority to ES10166119T priority patent/ES2377056T3/es
Priority to US12/829,115 priority patent/US8370140B2/en
Publication of FR2948484A1 publication Critical patent/FR2948484A1/fr
Application granted granted Critical
Publication of FR2948484B1 publication Critical patent/FR2948484B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • G10L2021/02087—Noise filtering the noise being separate speech, e.g. cocktail party
    • 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
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166—Microphone arrays; Beamforming
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
FR0955133A 2009-07-23 2009-07-23 Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile Expired - Fee Related FR2948484B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0955133A FR2948484B1 (fr) 2009-07-23 2009-07-23 Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
AT10166119T ATE532345T1 (de) 2009-07-23 2010-06-16 Verfahren zur filterung von seitlichem nichtstationärem rauschen für ein multimikrofon- audiogerät
EP10166119A EP2293594B1 (fr) 2009-07-23 2010-06-16 Procédé de filtrage des bruits latéraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif téléphonique "mains libres" pour véhicule automobile
ES10166119T ES2377056T3 (es) 2009-07-23 2010-06-16 Procedimiento de filtrado de los ruidos laterales no estacionarios para un dispositivo de audio multimicrófono, en particular un dispositivo telefónico "manos libres" para vehículo automóvil
US12/829,115 US8370140B2 (en) 2009-07-23 2010-07-01 Method of filtering non-steady lateral noise for a multi-microphone audio device, in particular a “hands-free” telephone device for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0955133A FR2948484B1 (fr) 2009-07-23 2009-07-23 Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile

Publications (2)

Publication Number Publication Date
FR2948484A1 FR2948484A1 (fr) 2011-01-28
FR2948484B1 true FR2948484B1 (fr) 2011-07-29

Family

ID=41683233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0955133A Expired - Fee Related FR2948484B1 (fr) 2009-07-23 2009-07-23 Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile

Country Status (5)

Country Link
US (1) US8370140B2 (fr)
EP (1) EP2293594B1 (fr)
AT (1) ATE532345T1 (fr)
ES (1) ES2377056T3 (fr)
FR (1) FR2948484B1 (fr)

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FR2950461B1 (fr) * 2009-09-22 2011-10-21 Parrot Procede de filtrage optimise des bruits non stationnaires captes par un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile

Also Published As

Publication number Publication date
EP2293594A1 (fr) 2011-03-09
US8370140B2 (en) 2013-02-05
EP2293594B1 (fr) 2011-11-02
ES2377056T3 (es) 2012-03-22
FR2948484A1 (fr) 2011-01-28
US20110054891A1 (en) 2011-03-03
ATE532345T1 (de) 2011-11-15

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