NZ502883A - Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers - Google Patents

Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers

Info

Publication number
NZ502883A
NZ502883A NZ502883A NZ50288398A NZ502883A NZ 502883 A NZ502883 A NZ 502883A NZ 502883 A NZ502883 A NZ 502883A NZ 50288398 A NZ50288398 A NZ 50288398A NZ 502883 A NZ502883 A NZ 502883A
Authority
NZ
New Zealand
Prior art keywords
transducers
amplification
twin
accordance
reception delay
Prior art date
Application number
NZ502883A
Inventor
Joseph Maisano
Werner Hottinger
Original Assignee
Phonak Ag
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 Phonak Ag filed Critical Phonak Ag
Publication of NZ502883A publication Critical patent/NZ502883A/en

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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

A predetermined characteristic of amplification in dependency of the direction (q) from which acoustical signals are received at two spaced-apart acoustical/electrical transducers (1, 2) is formed in that repetitively a mutual delay signal (A10) is determined from the output signals of the transducers and according to the reception delay at the transducers, one (S1) of the output signals is filtered, thereby the filtering transfer characteristic is controlled in dependency of the mutual delay signal (A12). The output signal of the filtering (14) is exploited as electrical reception signal (Sr).
NZ502883A 1997-08-20 1998-06-08 Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers NZ502883A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97114413A EP0820210A3 (en) 1997-08-20 1997-08-20 A method for elctronically beam forming acoustical signals and acoustical sensorapparatus
PCT/IB1998/000889 WO1999009786A1 (en) 1997-08-20 1998-06-08 A method for electronically beam forming acoustical signals and acoustical sensor apparatus

Publications (1)

Publication Number Publication Date
NZ502883A true NZ502883A (en) 2002-10-25

Family

ID=8227250

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ502883A NZ502883A (en) 1997-08-20 1998-06-08 Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers

Country Status (14)

Country Link
EP (2) EP0820210A3 (en)
JP (1) JP2001516196A (en)
KR (1) KR20010023076A (en)
CN (1) CN1267445A (en)
AT (1) ATE213581T1 (en)
AU (1) AU746584B2 (en)
CA (1) CA2301216C (en)
DE (1) DE69803933T2 (en)
DK (1) DK1005783T3 (en)
IL (1) IL134435A (en)
NZ (1) NZ502883A (en)
RU (1) RU2185710C2 (en)
TR (1) TR200000457T2 (en)
WO (1) WO1999009786A1 (en)

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DK2262285T3 (en) 2009-06-02 2017-02-27 Oticon As Listening device providing improved location ready signals, its use and method
EP2457384B1 (en) * 2009-07-24 2020-09-09 MediaTek Inc. Audio beamforming
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EP2352312B1 (en) 2009-12-03 2013-07-31 Oticon A/S A method for dynamic suppression of surrounding acoustic noise when listening to electrical inputs
EP2360943B1 (en) 2009-12-29 2013-04-17 GN Resound A/S Beamforming in hearing aids
EP2372700A1 (en) 2010-03-11 2011-10-05 Oticon A/S A speech intelligibility predictor and applications thereof
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EP2528358A1 (en) 2011-05-23 2012-11-28 Oticon A/S A method of identifying a wireless communication channel in a sound system
EP2541973B1 (en) 2011-06-27 2014-04-23 Oticon A/s Feedback control in a listening device
EP2560410B1 (en) 2011-08-15 2019-06-19 Oticon A/s Control of output modulation in a hearing instrument
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Also Published As

Publication number Publication date
EP1005783A1 (en) 2000-06-07
CA2301216A1 (en) 1999-02-25
EP0820210A2 (en) 1998-01-21
IL134435A0 (en) 2001-04-30
DK1005783T3 (en) 2002-05-21
EP0820210A3 (en) 1998-04-01
CN1267445A (en) 2000-09-20
AU7544198A (en) 1999-03-08
RU2185710C2 (en) 2002-07-20
TR200000457T2 (en) 2000-05-22
DE69803933D1 (en) 2002-03-28
CA2301216C (en) 2004-07-13
WO1999009786A1 (en) 1999-02-25
ATE213581T1 (en) 2002-03-15
JP2001516196A (en) 2001-09-25
EP1005783B1 (en) 2002-02-20
AU746584B2 (en) 2002-05-02
IL134435A (en) 2004-03-28
DE69803933T2 (en) 2002-10-10
KR20010023076A (en) 2001-03-26

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