ATE450934T1 - ßMEHRKANAL-ECHOLÖSCHVERFAHREN, MEHRKANAL- KLANGTRANSFERVERFAHREN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG UND ÜBERTRAGUNGSFUNKTIONSBERECHNUNGSVORRICHTUNGß - Google Patents

ßMEHRKANAL-ECHOLÖSCHVERFAHREN, MEHRKANAL- KLANGTRANSFERVERFAHREN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG UND ÜBERTRAGUNGSFUNKTIONSBERECHNUNGSVORRICHTUNGß

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Publication number
ATE450934T1
ATE450934T1 AT02745884T AT02745884T ATE450934T1 AT E450934 T1 ATE450934 T1 AT E450934T1 AT 02745884 T AT02745884 T AT 02745884T AT 02745884 T AT02745884 T AT 02745884T AT E450934 T1 ATE450934 T1 AT E450934T1
Authority
AT
Austria
Prior art keywords
stereo
channel
sound transfer
echo
transmission function
Prior art date
Application number
AT02745884T
Other languages
English (en)
Inventor
Toru Hirai
Hiraku Okumura
Mikio Tohyama
Yoshikazu Honji
Hiroshi Iriyama
Koji Niimi
Original Assignee
Yamaha Corp
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 Yamaha Corp filed Critical Yamaha Corp
Application granted granted Critical
Publication of ATE450934T1 publication Critical patent/ATE450934T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Telephonic Communication Services (AREA)
  • Toys (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Telephone Function (AREA)
AT02745884T 2001-07-11 2002-07-10 ßMEHRKANAL-ECHOLÖSCHVERFAHREN, MEHRKANAL- KLANGTRANSFERVERFAHREN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG UND ÜBERTRAGUNGSFUNKTIONSBERECHNUNGSVORRICHTUNGß ATE450934T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001211279 2001-07-11
JP2002179722A JP3506138B2 (ja) 2001-07-11 2002-06-20 複数チャンネルエコーキャンセル方法、複数チャンネル音声伝送方法、ステレオエコーキャンセラ、ステレオ音声伝送装置および伝達関数演算装置
PCT/JP2002/006968 WO2003007500A1 (fr) 2001-07-11 2002-07-10 Procede de suppression d'echo multivoies, procede de transfert de son multivoies, dispositif de suppression d'echo stereo, appareil de transfert d'echo stereo, et appareil de calcul de fonction de transfert

Publications (1)

Publication Number Publication Date
ATE450934T1 true ATE450934T1 (de) 2009-12-15

Family

ID=26618550

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02745884T ATE450934T1 (de) 2001-07-11 2002-07-10 ßMEHRKANAL-ECHOLÖSCHVERFAHREN, MEHRKANAL- KLANGTRANSFERVERFAHREN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG UND ÜBERTRAGUNGSFUNKTIONSBERECHNUNGSVORRICHTUNGß

Country Status (7)

Country Link
US (3) US7403609B2 (de)
EP (1) EP1406397B1 (de)
JP (1) JP3506138B2 (de)
CN (1) CN100488072C (de)
AT (1) ATE450934T1 (de)
DE (1) DE60234600D1 (de)
WO (1) WO2003007500A1 (de)

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Also Published As

Publication number Publication date
US20070258579A1 (en) 2007-11-08
EP1406397B1 (de) 2009-12-02
JP2003102085A (ja) 2003-04-04
DE60234600D1 (de) 2010-01-14
EP1406397A4 (de) 2007-01-03
US20040174991A1 (en) 2004-09-09
US20070258578A1 (en) 2007-11-08
CN1541456A (zh) 2004-10-27
EP1406397A1 (de) 2004-04-07
US7925008B2 (en) 2011-04-12
CN100488072C (zh) 2009-05-13
WO2003007500A1 (fr) 2003-01-23
US7925006B2 (en) 2011-04-12
US7403609B2 (en) 2008-07-22
JP3506138B2 (ja) 2004-03-15

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