ATE339757T1 - Verfahren und vorrichtung zur sprachaktivitätsdetektion - Google Patents

Verfahren und vorrichtung zur sprachaktivitätsdetektion

Info

Publication number
ATE339757T1
ATE339757T1 AT03445076T AT03445076T ATE339757T1 AT E339757 T1 ATE339757 T1 AT E339757T1 AT 03445076 T AT03445076 T AT 03445076T AT 03445076 T AT03445076 T AT 03445076T AT E339757 T1 ATE339757 T1 AT E339757T1
Authority
AT
Austria
Prior art keywords
microphone system
activity detection
voice activity
sound signal
emanating
Prior art date
Application number
AT03445076T
Other languages
English (en)
Inventor
Stefan Gustavsson
Original Assignee
Sony Ericsson Mobile Comm Ab
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 Sony Ericsson Mobile Comm Ab filed Critical Sony Ericsson Mobile Comm Ab
Application granted granted Critical
Publication of ATE339757T1 publication Critical patent/ATE339757T1/de

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers 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
    • 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
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
    • 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
    • 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
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
AT03445076T 2003-06-17 2003-06-17 Verfahren und vorrichtung zur sprachaktivitätsdetektion ATE339757T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03445076A EP1489596B1 (de) 2003-06-17 2003-06-17 Verfahren und Vorrichtung zur Sprachaktivitätsdetektion

Publications (1)

Publication Number Publication Date
ATE339757T1 true ATE339757T1 (de) 2006-10-15

Family

ID=33396142

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03445076T ATE339757T1 (de) 2003-06-17 2003-06-17 Verfahren und vorrichtung zur sprachaktivitätsdetektion

Country Status (6)

Country Link
US (1) US7966178B2 (de)
EP (1) EP1489596B1 (de)
CN (1) CN100559461C (de)
AT (1) ATE339757T1 (de)
DE (1) DE60308342T2 (de)
WO (1) WO2004111995A1 (de)

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Also Published As

Publication number Publication date
EP1489596A1 (de) 2004-12-22
EP1489596B1 (de) 2006-09-13
DE60308342D1 (de) 2006-10-26
DE60308342T2 (de) 2007-09-06
CN1813284A (zh) 2006-08-02
CN100559461C (zh) 2009-11-11
US7966178B2 (en) 2011-06-21
US20080091421A1 (en) 2008-04-17
WO2004111995A1 (en) 2004-12-23

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