EP2273800A1 - Appareil de correction auditive avec une source sonore virtuelle - Google Patents

Appareil de correction auditive avec une source sonore virtuelle Download PDF

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Publication number
EP2273800A1
EP2273800A1 EP10178795A EP10178795A EP2273800A1 EP 2273800 A1 EP2273800 A1 EP 2273800A1 EP 10178795 A EP10178795 A EP 10178795A EP 10178795 A EP10178795 A EP 10178795A EP 2273800 A1 EP2273800 A1 EP 2273800A1
Authority
EP
European Patent Office
Prior art keywords
signals
audio signals
hearing
user
generated audio
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.)
Withdrawn
Application number
EP10178795A
Other languages
German (de)
English (en)
Inventor
Raoul Glatt
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.)
Sonova Holding AG
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 EP2273800A1 publication Critical patent/EP2273800A1/fr
Withdrawn legal-status Critical Current

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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
    • 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

Definitions

  • One object of the invention is to provide for a hearing system and a method of operating a hearing system, which provide for a good distinguishability between different system-generated signals.
  • Said providing of said system-generated audio signals with said spatial information can also be called or considered a providing of said system-generated audio signals with spaciousness
  • Said audio analysis unit is typically a software-implemented signal processing algorithm. From the received input signals, information on where in space the input audio signals or a part or different parts of the input signals come from (localization information) is extracted.
  • localization information may be obtained from a time delay (time-of-reception difference) and/or the loudness difference (level difference) between the two audio streams.
  • time-of-reception difference time-of-reception difference
  • level difference loudness difference
  • audio analysis units are also known as localizers and used in conjunction with beam formers.
  • Classifiers which are also known in the art, may also be used, since they may allow to distinguish between different sound sources if more than one principal sound sources exist.
  • said localization information can be decided, where to arrange said virtual location. If, e.g., only one principal sound source is detected, which comprises a lot of reverberation or is located far away, the virtual location could be arranged close to the user. If the one principal sound source is located to the very right of the user, the virtual location could be arranged to the very left of the user. If, on the other hand, e.g., a principal sound source is located in front of the user, and a major noise source is located far away on the right behind the user, the virtual sound source could be arranged on the left behind and close to the user. In a generally loud environment, the virtual location could be arranged within the user's head.
  • Said system-generated audio signals may be provided with at least one of interaural time differences, interaural level differences, and different spectral coloration of output signals to be perceived by each of the user's two ears as spatial information.
  • the according method of operating a hearing system comprising at least one hearing device may be considered a method for indicating an operational condition of a hearing system. It comprises the steps of:
  • the hearing system comprises
  • Said first, second and third aspects of the invention may be pairwise combined or combined altogether, which can lead to particularly advantageous embodiments.
  • combining the third aspect with the second aspect results in an improved distinguishability between different output signals.
  • different output signals may differ in terms of frequency and spectral content, and in time structure and so on.
  • the purpose for which signal-generated sounds are generated can be indicated.
  • the invention can well be used, when speech signals or more complex sounds are to be generated and presented to the user.
  • the complexity of a sound may manifest in its (large) spectral content, its structure in time or rhythmic or percussive structure.
  • Speech sounds may be used for guiding the user, informing the user and acknowledging events in the hearing system.
  • simple "whistle sounds" typically sine-waves
  • Such more complex sounds can be better localized and more effectively be provided with spatial information. Accordingly, the virtual-sound-source effect is more realistic and therefore of greater use to the user in case of more complex sounds.
  • the simple "whistle sounds" often used as acknowledge sounds are hardly susceptible to a realistic spatialization.
  • Said localization information 40 may comprise data about the distance between the origin of said incoming acoustic waves 5 and the hearing system 1 (or, more precisely, the microphone), and it may comprise data about the direction from which said incoming acoustic waves 5 originate.
  • Said directional information requires the existence of at least two microphones. This may be accomplished by providing said input unit 11 of the hearing device 10 with two microphones, or by providing two hearing devices 10 (typically equally or similarly designed as the hearing device 10 shown in Fig. 1 ) in the hearing system 1 with at least one microphone each.
  • Said second aspect of the invention is, that a certain system-generated sound does not only occur at a fixed location, but describes a path (or moves), wherein that path indicates a specific operational condition of the hearing system 1, e.g., that an energy supply of the hearing system is unstable.
  • a corresponding path 51 or virtual movement 51 is indicated in Fig. 2 .

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)
  • Stereophonic System (AREA)
EP10178795A 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle Withdrawn EP2273800A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05026707A EP1796427A1 (fr) 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP05026707.9 Division 2005-12-07

Publications (1)

Publication Number Publication Date
EP2273800A1 true EP2273800A1 (fr) 2011-01-12

Family

ID=36698788

Family Applications (3)

Application Number Title Priority Date Filing Date
EP05026707A Withdrawn EP1796427A1 (fr) 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle
EP10178795A Withdrawn EP2273800A1 (fr) 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle
EP10178809A Withdrawn EP2271136A1 (fr) 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05026707A Withdrawn EP1796427A1 (fr) 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10178809A Withdrawn EP2271136A1 (fr) 2005-12-07 2005-12-07 Appareil de correction auditive avec une source sonore virtuelle

Country Status (1)

Country Link
EP (3) EP1796427A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9031242B2 (en) 2007-11-06 2015-05-12 Starkey Laboratories, Inc. Simulated surround sound hearing aid fitting system
US9185500B2 (en) 2008-06-02 2015-11-10 Starkey Laboratories, Inc. Compression of spaced sources for hearing assistance devices
US8705751B2 (en) 2008-06-02 2014-04-22 Starkey Laboratories, Inc. Compression and mixing for hearing assistance devices
US9485589B2 (en) 2008-06-02 2016-11-01 Starkey Laboratories, Inc. Enhanced dynamics processing of streaming audio by source separation and remixing
CN113556660B (zh) * 2021-08-01 2022-07-19 武汉左点科技有限公司 一种基于虚拟环绕立体声技术的助听方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005004534A1 (fr) * 2003-07-04 2005-01-13 Vast Audio Pty Ltd Production audio a realite augmentee
US20050152567A1 (en) 2004-01-09 2005-07-14 Siemens Audiologische Technik Gmbh Hearing aid
DE102004035046A1 (de) 2004-07-20 2005-07-21 Siemens Audiologische Technik Gmbh Hörhilfe-oder Kommunikationssystem mit virtuellen Signalquellen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005004534A1 (fr) * 2003-07-04 2005-01-13 Vast Audio Pty Ltd Production audio a realite augmentee
US20050152567A1 (en) 2004-01-09 2005-07-14 Siemens Audiologische Technik Gmbh Hearing aid
DE102004035046A1 (de) 2004-07-20 2005-07-21 Siemens Audiologische Technik Gmbh Hörhilfe-oder Kommunikationssystem mit virtuellen Signalquellen

Also Published As

Publication number Publication date
EP1796427A1 (fr) 2007-06-13
EP2271136A1 (fr) 2011-01-05

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