DE602006005228D1 - System und Verfahren zur Mehrkanal-Echokompensation - Google Patents

System und Verfahren zur Mehrkanal-Echokompensation

Info

Publication number
DE602006005228D1
DE602006005228D1 DE602006005228T DE602006005228T DE602006005228D1 DE 602006005228 D1 DE602006005228 D1 DE 602006005228D1 DE 602006005228 T DE602006005228 T DE 602006005228T DE 602006005228 T DE602006005228 T DE 602006005228T DE 602006005228 D1 DE602006005228 D1 DE 602006005228D1
Authority
DE
Germany
Prior art keywords
channel
compensation
microphone
loudspeaker
loudspeaker input
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.)
Active
Application number
DE602006005228T
Other languages
English (en)
Inventor
Markus Dr Buck
Tim Haulick
Martin Roessler
Gerhard Schmidt
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems 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 Harman Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of DE602006005228D1 publication Critical patent/DE602006005228D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DE602006005228T 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation Active DE602006005228D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06008006A EP1848243B1 (de) 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation

Publications (1)

Publication Number Publication Date
DE602006005228D1 true DE602006005228D1 (de) 2009-04-02

Family

ID=37232931

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006005228T Active DE602006005228D1 (de) 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation

Country Status (5)

Country Link
US (1) US8130969B2 (de)
EP (1) EP1848243B1 (de)
JP (1) JP5371197B2 (de)
AT (1) ATE423433T1 (de)
DE (1) DE602006005228D1 (de)

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Also Published As

Publication number Publication date
JP5371197B2 (ja) 2013-12-18
EP1848243B1 (de) 2009-02-18
JP2007288775A (ja) 2007-11-01
EP1848243A1 (de) 2007-10-24
US8130969B2 (en) 2012-03-06
ATE423433T1 (de) 2009-03-15
US20080031466A1 (en) 2008-02-07

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