AU4996296A - Systems for feedback cancellation in an audio interface garment - Google Patents

Systems for feedback cancellation in an audio interface garment

Info

Publication number
AU4996296A
AU4996296A AU49962/96A AU4996296A AU4996296A AU 4996296 A AU4996296 A AU 4996296A AU 49962/96 A AU49962/96 A AU 49962/96A AU 4996296 A AU4996296 A AU 4996296A AU 4996296 A AU4996296 A AU 4996296A
Authority
AU
Australia
Prior art keywords
systems
audio interface
feedback cancellation
interface garment
garment
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.)
Abandoned
Application number
AU49962/96A
Inventor
James H Boyden
Weijia Wang
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.)
Interval Research Corp
Original Assignee
Interval Research 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 Interval Research Corp filed Critical Interval Research Corp
Publication of AU4996296A publication Critical patent/AU4996296A/en
Abandoned 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
    • 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
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/023—Transducers incorporated in garment, rucksacks or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AU49962/96A 1996-02-26 1996-02-26 Systems for feedback cancellation in an audio interface garment Abandoned AU4996296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1996/002573 WO1997031439A1 (en) 1996-02-26 1996-02-26 Systems for feedback cancellation in an audio interface garment

Publications (1)

Publication Number Publication Date
AU4996296A true AU4996296A (en) 1997-09-10

Family

ID=22254761

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49962/96A Abandoned AU4996296A (en) 1996-02-26 1996-02-26 Systems for feedback cancellation in an audio interface garment

Country Status (4)

Country Link
EP (1) EP0873606A1 (en)
JP (1) JP2000505260A (en)
AU (1) AU4996296A (en)
WO (1) WO1997031439A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10153188C2 (en) * 2001-10-27 2003-08-21 Grundig Ag I Ins Device and method for multi-channel acoustic echo cancellation with a variable number of channels

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683590A (en) * 1985-03-18 1987-07-28 Nippon Telegraph And Telphone Corporation Inverse control system
JPH01114150A (en) * 1987-10-27 1989-05-02 Nec Corp Voice conference equipment for multi-channel
JPH01319360A (en) * 1988-06-20 1989-12-25 Nec Corp Voice conference equipment
DE3840433A1 (en) * 1988-12-01 1990-06-07 Philips Patentverwaltung Echo compensator
JP2792252B2 (en) * 1991-03-14 1998-09-03 日本電気株式会社 Method and apparatus for removing multi-channel echo
JP2792311B2 (en) * 1992-01-31 1998-09-03 日本電気株式会社 Method and apparatus for removing multi-channel echo
JP2508574B2 (en) * 1992-11-10 1996-06-19 日本電気株式会社 Multi-channel eco-removal device
US5323458A (en) * 1993-10-25 1994-06-21 Motorola Inc. Echo cancellation in a full-duplex speakerphone

Also Published As

Publication number Publication date
JP2000505260A (en) 2000-04-25
WO1997031439A1 (en) 1997-08-28
EP0873606A1 (en) 1998-10-28

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