DE19943875A1 - System zur Sprachsteuerung mit einem Mikrofonarray - Google Patents

System zur Sprachsteuerung mit einem Mikrofonarray

Info

Publication number
DE19943875A1
DE19943875A1 DE19943875A DE19943875A DE19943875A1 DE 19943875 A1 DE19943875 A1 DE 19943875A1 DE 19943875 A DE19943875 A DE 19943875A DE 19943875 A DE19943875 A DE 19943875A DE 19943875 A1 DE19943875 A1 DE 19943875A1
Authority
DE
Germany
Prior art keywords
microphones
voice control
microphone array
speech recognition
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.)
Withdrawn
Application number
DE19943875A
Other languages
German (de)
English (en)
Inventor
Ernst F Schroeder
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Priority to DE19943875A priority Critical patent/DE19943875A1/de
Priority to CNB001234986A priority patent/CN1162837C/zh
Priority to EP00119085A priority patent/EP1085782A3/en
Priority to US09/660,381 priority patent/US6868045B1/en
Priority to JP2000277687A priority patent/JP4792156B2/ja
Publication of DE19943875A1 publication Critical patent/DE19943875A1/de
Withdrawn legal-status Critical Current

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
    • G10L15/00—Speech recognition
    • G10L15/26—Speech to text systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Otolaryngology (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)
  • Selective Calling Equipment (AREA)
DE19943875A 1999-09-14 1999-09-14 System zur Sprachsteuerung mit einem Mikrofonarray Withdrawn DE19943875A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19943875A DE19943875A1 (de) 1999-09-14 1999-09-14 System zur Sprachsteuerung mit einem Mikrofonarray
CNB001234986A CN1162837C (zh) 1999-09-14 2000-08-18 具有麦克风阵列的语音控制系统
EP00119085A EP1085782A3 (en) 1999-09-14 2000-09-02 Voice control system with a microphone array
US09/660,381 US6868045B1 (en) 1999-09-14 2000-09-12 Voice control system with a microphone array
JP2000277687A JP4792156B2 (ja) 1999-09-14 2000-09-13 マイクロホンアレイを有するボイス制御システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19943875A DE19943875A1 (de) 1999-09-14 1999-09-14 System zur Sprachsteuerung mit einem Mikrofonarray

Publications (1)

Publication Number Publication Date
DE19943875A1 true DE19943875A1 (de) 2001-03-15

Family

ID=7921899

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19943875A Withdrawn DE19943875A1 (de) 1999-09-14 1999-09-14 System zur Sprachsteuerung mit einem Mikrofonarray

Country Status (5)

Country Link
US (1) US6868045B1 (enExample)
EP (1) EP1085782A3 (enExample)
JP (1) JP4792156B2 (enExample)
CN (1) CN1162837C (enExample)
DE (1) DE19943875A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7162424B2 (en) 2001-04-26 2007-01-09 Siemens Aktiengesellschaft Method and system for defining a sequence of sound modules for synthesis of a speech signal in a tonal language

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EP1085782A2 (en) 2001-03-21
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JP4792156B2 (ja) 2011-10-12
US6868045B1 (en) 2005-03-15
CN1162837C (zh) 2004-08-18

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