DK2211339T3 - Lyttesystem - Google Patents

Lyttesystem Download PDF

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Publication number
DK2211339T3
DK2211339T3 DK09151253.3T DK09151253T DK2211339T3 DK 2211339 T3 DK2211339 T3 DK 2211339T3 DK 09151253 T DK09151253 T DK 09151253T DK 2211339 T3 DK2211339 T3 DK 2211339T3
Authority
DK
Denmark
Prior art keywords
signal
bandwidth
frequency
low frequency
audio signal
Prior art date
Application number
DK09151253.3T
Other languages
English (en)
Inventor
Lars Skovby
Thomas Kaulberg
Original Assignee
Oticon As
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 Oticon As filed Critical Oticon As
Application granted granted Critical
Publication of DK2211339T3 publication Critical patent/DK2211339T3/da

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Classifications

    • 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
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
    • G10L2021/065—Aids for the handicapped in understanding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/03—Aspects of the reduction of energy consumption in hearing devices
    • 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • 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
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Circuit For Audible Band Transducer (AREA)

Claims (2)

  1. Lyttesystem
    1. Lyttesystem, der omfatter en første og en anden anordning, hvor den første anordning er et bærbart høreapparat, der er indrettet til at præsentere et elektrisk udgangsaudiosignal til en bruger af den første anordning, hvor det elektriske udgangsaudiosignal har en fuld båndbredde Affuii, der omfatter en lavfrekvent del og en højfrekvent del, hvor den anden anordning omfatter en sender til trådløs overførsel af et lavfrekvent signal, og den første anordning omfatter a) en modtager til modtagelse af det lavfrekvente signal og b) en båndbreddeforlængerenhed til at konstruere eller frembringe den højfrekvente del af udgangsaudiosignalet, der har en HF-båndbredde AfHF og danner det elektriske udgangsaudiosignal, der har en fuld båndbredde Affuii, som er baseret på det lavfrekvente signal, der har en LF-båndbredde AfLF, og den højfrekvente del har en FIF-båndbredde AfHF, og c) en signalprocessor, der er indrettet til at behandle det lavfrekvente signal og tilvejebringe et behandlet lavfrekvent signal til båndbreddeforlængerenheden, og hvor den anden anordning yderligere omfatter en indgangstransducer til at konvertere en indgangslyd til et elektrisk indgangssignal og en frekvensbegrænsende enhed til at frembringe det lavfrekvente signal, der har en LF-båndbredde AfLF til at blive trådløst overført til den første anordning.
  2. 2. Lyttesystem ifølge krav 1, hvor senderen og modtageren er indrettet til at tilvejebringe en induktiv kobling mellem den første og anden anordning, på hvilken overførslen af det lavfrekvente signal kan være baseret, når den første og anden anordning er placeret i en betjeningsafstand fra hinanden.
DK09151253.3T 2009-01-23 2009-01-23 Lyttesystem DK2211339T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09151253.3A EP2211339B1 (en) 2009-01-23 2009-01-23 Listening system

Publications (1)

Publication Number Publication Date
DK2211339T3 true DK2211339T3 (da) 2017-08-28

Family

ID=40377905

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09151253.3T DK2211339T3 (da) 2009-01-23 2009-01-23 Lyttesystem

Country Status (5)

Country Link
US (1) US8929566B2 (da)
EP (1) EP2211339B1 (da)
CN (1) CN101789239B (da)
AU (1) AU2010200097A1 (da)
DK (1) DK2211339T3 (da)

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Also Published As

Publication number Publication date
US8929566B2 (en) 2015-01-06
AU2010200097A1 (en) 2010-08-12
CN101789239B (zh) 2014-05-07
CN101789239A (zh) 2010-07-28
EP2211339A1 (en) 2010-07-28
EP2211339B1 (en) 2017-05-31
US20110019838A1 (en) 2011-01-27

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