DE69433662D1 - Adaptive verstärkung und filterschaltung für tonwiedergabesystem - Google Patents

Adaptive verstärkung und filterschaltung für tonwiedergabesystem

Info

Publication number
DE69433662D1
DE69433662D1 DE69433662T DE69433662T DE69433662D1 DE 69433662 D1 DE69433662 D1 DE 69433662D1 DE 69433662 T DE69433662 T DE 69433662T DE 69433662 T DE69433662 T DE 69433662T DE 69433662 D1 DE69433662 D1 DE 69433662D1
Authority
DE
Germany
Prior art keywords
filter circuit
play system
adaptive gain
sound play
sound
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.)
Expired - Lifetime
Application number
DE69433662T
Other languages
English (en)
Other versions
DE69433662T2 (de
Inventor
A Engebretson
P O'connell
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.)
K S HIMPP VAERLOESE
Original Assignee
K S HIMPP VAERLOESE
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 K S HIMPP VAERLOESE filed Critical K S HIMPP VAERLOESE
Application granted granted Critical
Publication of DE69433662D1 publication Critical patent/DE69433662D1/de
Publication of DE69433662T2 publication Critical patent/DE69433662T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
    • 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

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69433662T 1993-04-07 1994-04-06 Adaptive verstärkung und filterschaltung für tonwiedergabesystem Expired - Lifetime DE69433662T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44246 1993-04-07
US08/044,246 US5706352A (en) 1993-04-07 1993-04-07 Adaptive gain and filtering circuit for a sound reproduction system
PCT/US1994/004004 WO1994023548A1 (en) 1993-04-07 1994-04-06 Adaptive gain and filtering circuit for a sound reproduction system

Publications (2)

Publication Number Publication Date
DE69433662D1 true DE69433662D1 (de) 2004-05-06
DE69433662T2 DE69433662T2 (de) 2005-02-10

Family

ID=21931306

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69435259T Expired - Lifetime DE69435259D1 (de) 1993-04-07 1994-04-06 Adaptive Verstärkung und Filterschaltung für Schallwiedergabesystem
DE69433662T Expired - Lifetime DE69433662T2 (de) 1993-04-07 1994-04-06 Adaptive verstärkung und filterschaltung für tonwiedergabesystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69435259T Expired - Lifetime DE69435259D1 (de) 1993-04-07 1994-04-06 Adaptive Verstärkung und Filterschaltung für Schallwiedergabesystem

Country Status (6)

Country Link
US (2) US5706352A (de)
EP (2) EP1175125B1 (de)
JP (1) JP2931101B2 (de)
CA (1) CA2160133C (de)
DE (2) DE69435259D1 (de)
WO (1) WO1994023548A1 (de)

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Also Published As

Publication number Publication date
JPH08508626A (ja) 1996-09-10
CA2160133C (en) 2000-06-06
DE69433662T2 (de) 2005-02-10
EP1175125A3 (de) 2002-11-06
EP1175125B1 (de) 2009-12-16
US5706352A (en) 1998-01-06
CA2160133A1 (en) 1994-10-13
EP1175125A2 (de) 2002-01-23
DE69435259D1 (de) 2010-01-28
US5724433A (en) 1998-03-03
JP2931101B2 (ja) 1999-08-09
EP0693249A1 (de) 1996-01-24
WO1994023548A1 (en) 1994-10-13
EP0693249B1 (de) 2004-03-31
EP0693249A4 (de) 1996-03-13

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