EP2885926A1 - Système auditif ainsi que procédé de transmission - Google Patents

Système auditif ainsi que procédé de transmission

Info

Publication number
EP2885926A1
EP2885926A1 EP13748101.6A EP13748101A EP2885926A1 EP 2885926 A1 EP2885926 A1 EP 2885926A1 EP 13748101 A EP13748101 A EP 13748101A EP 2885926 A1 EP2885926 A1 EP 2885926A1
Authority
EP
European Patent Office
Prior art keywords
signal
acoustic information
hearing system
electrical signals
hearing
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Withdrawn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
EP13748101.6A
Other languages
German (de)
English (en)
Inventor
Patrick Bauer
Rosa-Linde FISCHER
Henning Puder
Tim Fingscheidt
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.)
Sivantos Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
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 Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2885926A1 publication Critical patent/EP2885926A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/041—Adaptation of stereophonic signal reproduction for the hearing impaired
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/55—Communication between hearing aids and external devices via a network for data exchange
    • 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

Definitions

  • the present invention relates to a hearing system for the verb ⁇ provement the intelligibility while driving a Weg ⁇ sconcechs, wherein the auditory system receiving means for receiving a first signal with a first acoustic information, and converting into electrical signals with the first audio information, a signal processing means for Processing the electrical signals with first acoustic information into electrical signals with second acoustic information and an output device for outputting a second signal with the second acoustic information. Furthermore, the invention relates to a method for improving the intelligibility in carrying a telephone conversation with a hearing system.
  • a hearing system here means any device which can be worn in or on the ear, sound or other stimuli perceivable by the hearing, in particular a hearing aid, a headset, headphones and a system comprising a device and a device provided for operating the device and the like
  • a telephone device here means any telephone device, in particular a
  • Mobile phone a cordless phone, a corded phone and the like.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • different types of hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external handset (RIC: receiver in the canal) and in-the-ear hearing aids (IDO), for example Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external handset
  • IDO in-the-ear hearing aids
  • ITE Canal hearing aids
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. help.
  • the stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. B. miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit.
  • Publication US 2005/0283263 A1 discloses a hearing aid system comprising a hearing aid and a telephone.
  • the telephone and the hearing aid are wirelessly connected via a short-range network.
  • US Pat. No. 7,248,711 B2 describes a method for frequency transposition for a hearing device or a communication device.
  • the low frequencies are shifted substantially linearly while the higher frequencies are shifted more and more. This allows higher frequencies to be pushed into lower frequency ranges.
  • the transmission range of traditional telephone systems only covers a frequency range from 300 Hz to 3400 Hz. This results in reduced voice quality in parfre ⁇ -frequency range and in particular to a severe intelligibility due to the lack of frequencies in the upper frequency range above 3400 Hz to 7000 Hz typically.
  • the object of the present invention is to provide a hearing system that improves the intelligibility in use for a common telephone connection.
  • the hearing instrument comprises a receiving ⁇ s adopted for receiving a first signal at the first acoustic information, and converting into electrical signals with the first audio information, a signal processing means for processing the electrical signals with the first audio information into electrical signals to second acoustic information and output means for Output of a second signal with the second acoustic information.
  • the signal processing means wherein said fiction, ⁇ modern hearing instrument is adapted to make an artificial bandwidth expansion of the first signal by complementing the first acoustic information based on a model of a source of the first signal by acoustic information with missing Frequenzantei ⁇ len to second acoustic information become.
  • a model of the origin of the first signal complements the first acoustic information about missing frequency components to second akusti ⁇ specific information and thus approximates the original signal is increased in an advantageous manner the course ⁇ ness.
  • a model of human chen language and the transmission characteristics of a telephone system can be used to detect certain sounds and their signal to the typical frequency components from the untransmitted frequency range above 3400 Hz to supplement and so improve the recognizability of the sounds.
  • the object is also achieved by a method according to the invention for improving the intelligibility in carrying out a telephone conversation with a hearing system.
  • the hearing system has a receiving device, a signal processing device, an output device and an energy source.
  • the method according to the invention comprises receiving a first signal with first acoustic information and converting it into electrical signals with the first acoustic information, processing the electrical signals with first acoustic information into electrical signals with second acoustic information and outputting a second signal with the second acoustic information Information.
  • the processing of the electrical signals further comprises an artificial Bandbrei ⁇ Exten- sion of the first signal by the first acoustic information is supplemented by a model about an origin of the first signal to acoustic information with missing frequency components to second acoustic information.
  • the inventive method shares the advantages presented to the erfindungsge ⁇ MAESSEN hearing.
  • the receiving device is a microphone, which converts sound into electrical signals.
  • the receiving device is a receiving device for electromagnetic fields, wherein the first signal has electromagnetic fields and the receiving device is designed to convert the electromagnetic ⁇ fields with the first acoustic information into electrical signals with the first acoustic information.
  • the receiving device is an induction coil, which is designed to receive electromagnetic signals of a telephone set with acoustic information.
  • the hearing aid By means of the induction coil, it is possible for the hearing aid to advantageous ⁇ exemplary way to receive acoustic information without ambient noise of telephone devices which are intended for use with hearing aids.
  • the receiving means is adapted to implement first signals according to the Bluetooth standard to receiving and into electrical signals with the first akusti ⁇ specific information.
  • An increasing number of telephone devices are provided with a Bluetooth interface so as not to allow hearing-impaired persons to make phone calls in the vicinity of the telephone without an inconvenient wire connection.
  • the user it is possible for the user to use such telephone devices with the hearing system.
  • the hearing system has two output devices for outputting the second signal with the second acoustic information for each ear of a wearer.
  • a binaural supply can advantageously improve the intelligibility of the telephone connection.
  • the hearing system has a transmission device for the wireless transmission of the second signal between the signal processing device and the output device.
  • wireless transmission it is possible to use a telephone connection without annoying wire connection to the output device, which is usually worn on the ear.
  • the signal processing device and the output device have separate housings and energy sources.
  • the hearing system comprises a detection device which is designed to recognize that the first signal is a signal of a Tele ⁇ foncons and outputting a detection signal
  • the signal processing is designed, in the presence the detection signal to perform the artificial bandwidth extension.
  • FIG. 1 shows a schematic diagram of a hearing device according to the prior art
  • FIG. 2 shows a schematic representation of the functional blocks of a possible embodiment of a hearing system according to the invention
  • FIG. 3 shows a schematic representation of the functional blocks of a possible embodiment of a hearing system according to the invention
  • FIG. 4 shows a schematic representation of the functional blocks of a further possible embodiment of a hearing system according to the invention.
  • FIG. 5 shows a flowchart of a possible method according to the invention.
  • FIG. 1 shows the basic structure of a behind-the-ear hearing aid from the prior art.
  • a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed.
  • a signal processing unit 3 which is also integrated into the hearing device ⁇ housing 1, processes the microphone signals and reinforces them.
  • the output of the Signal kausein ⁇ unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is transmitted gegebe ⁇ appropriate, via a sound tube which is fixed with a otoplasty in the auditory canal, to the eardrum of the wearer.
  • the energy supply of the hearing device and in particular the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery 5.
  • the hearing system 10 has as receiving ⁇ unit for sound waves a microphone 11.
  • the microphone 11 converts the incoming sound waves with first acoustic information into electrical signals.
  • the sound source may be an acoustic transmission device 40, for example a telephone with a speech decoder 41.
  • the electrical signals are digitized by an A / D converter 14 and forwarded to a signal processing device 15.
  • a signal processing device 15 examples play as signal processors can be used, but it is also possible that application-specific integrated circuits find USAGE ⁇ dung.
  • a plurality of microphones is conceivable, whose signals are combined to achieve a directivity with each other.
  • the signal processing device 15 carries out, among other things, the usual functions for hearing aids, such as signal amplification and filtering. In addition, however, an artificial bandwidth expansion (, ABWE English. "Artificial Bandwidth Extension”) are held. In an artificial Bandbreitenerweite ⁇ tion in the signal processing device 15 is a modeling function for an acoustic signal is provided. The modeling function compares the incoming signal with the first acoustic information with a predetermined one
  • Model for acoustic signals The modeling function determines a parameter set, which under one possible slight deviation by the given model simulates the first acoustic information. However, other algorithms for analyzing the first acoustic information are also conceivable. In accordance with the particular parameter set, the modeling function then generates signal components which are provided in the acoustic signal according to the given model but are not included in the incoming signal with first acoustic information. The signal processing device 15 then outputs a second electrical signal having a sum of the incoming first signal with the first acoustic information and the signal components generated by the modeling function.
  • Such modeling functions are for example intended for human speech, but can also be used by others
  • FIG. 3 shows a conceivable embodiment of a hearing instrument according to Inventive ⁇ 10.
  • the hearing instrument 10 comprises, as reception ⁇ unit for a signal with audio information to an induction coil 12.
  • the induction coil 12 is designed to ⁇ a magnetic alternating field that passes through the induction coil 12 and changes the field strength in the rhythm of an acoustic signal with first acoustic information to convert into an electrical signal, which of the
  • a / D converter 14 into a digital electrical signal for the Signal processing device 15 is converted.
  • the source of the alternating magnetic field can be a transmission device 40, such as a telephone with an induction coil ⁇ . Otherwise, the embodiment of the inventive hearing system of FIG. 3 corresponds to that of FIG. 2.
  • Fig. 4 shows a possible embodiment of a hearing instrument according to Inventive ⁇ 10.
  • the hearing instrument 10 comprises, as reception ⁇ s adopted a Bluetooth interface 13, via which the instrument 10 can receive a first signal with acoustic Informati ⁇ ones. According to the specifications of the Bluetooth interface 13, this already outputs a first electrical signal with first acoustic information in digital form to the signal processing device 15, so that an A / D converter 14 can be dispensed with in this embodiment.
  • the source of the first acoustic information signal may be a transmission device 40, for example a telephone with a Bluetooth interface.
  • the hearing system 10 has a digital transmission device which transmits the second signal between the signal processing device 15 and the output device 17 wirelessly.
  • a receiving unit 19 which is in signal communication with the signal processing device 15, and a receiving unit 19, which is connected via a D / A converter 16 in of electrical signal communication with the handset 17th
  • the wireless signal transmission makes it possible to divide the hearing instrument 10 in a remote unit 20 and an ear unit 30 wel ⁇ che each separate casing 21 having the 31st
  • the remote unit 20 and the ear unit 30 each have a separate power source, although it is conceivable that a wireless Energybergertra ⁇ supply from the remote unit 20 to ear unit 30 takes place ⁇ .
  • a wireless transmission technique is preferably a
  • Transmission performed by electromagnetic fields in the radio range can be, for example, the transmission via a digital transmitting and receiving unit 18 or 19, if necessary.
  • the Bluetooth standard (then the function blocks 18 and 19 would be replaced accordingly by Bluetooth interfaces 13), or analog via an induction coil 12 instead of the digital receiving unit 19 including subsequent D / A converter 16 in the ear unit 30 and a transmitting coil according to the corresponding D / A converter 16 instead of the digital transmitting unit 18 in the remote unit 20.
  • Also conceivable would be the transmission by means of light or ultrasound.
  • ear unit 30 is also a cochlear implant, so that the second signal is no longer converted into an acoustic signal, but directly generates a nervous stimulus by the electrical signal.
  • this has a recognition device 12, 13, which is designed to recognize that the first signal is a signal of a telephone conversation.
  • a corresponding transmission mode can be signaled by the Bluetooth interface 13. It can also be detected on the basis of a signal from induction coil 12 that a transmission takes place from a suitably equipped telephone receiver.
  • the signal processing device detects ⁇ 15 with reference to the limited spectral bandwidth or other criteria that the first signal contains akusti ⁇ specific information of a telephone call.
  • other detection mechanisms such as a magnet in telephone handset with a corresponding sensor in the hearing system 10, are possible.
  • step S10 the hearing system 10 receives a first one
  • the signal processing device 15 processes the electrical signals with first acoustic information into second electrical signals with second acoustic information. Part of this processing is the artificial bandwidth expansion by the first acoustic information is supplemented by a model of an origin of the first signal to acoustic information with missing frequency components to the second acoustic information.
  • the second electrical signals are output.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (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)
  • Telephone Function (AREA)

Abstract

La présente invention concerne un système auditif pour améliorer l'intelligibilité lors d'une conversation téléphonique, le système auditif présentant un dispositif récepteur pour recevoir un premier signal contenant des premières informations acoustiques et le convertir en signaux électriques contenant les premières informations acoustiques, un dispositif de traitement de signaux pour traiter les signaux électriques contenant les premières informations acoustiques en signaux électriques contenant des deuxièmes informations acoustiques et un dispositif émetteur pour émettre un deuxième signal contenant les deuxièmes informations acoustiques. L'invention concerne également un procédé destiné à améliorer l'intelligibilité lors d'une conversation téléphonique avec un système auditif.
EP13748101.6A 2012-09-27 2013-06-12 Système auditif ainsi que procédé de transmission Withdrawn EP2885926A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012217632 2012-09-27
PCT/IB2013/054815 WO2014049455A1 (fr) 2012-09-27 2013-06-12 Système auditif ainsi que procédé de transmission

Publications (1)

Publication Number Publication Date
EP2885926A1 true EP2885926A1 (fr) 2015-06-24

Family

ID=48980227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13748101.6A Withdrawn EP2885926A1 (fr) 2012-09-27 2013-06-12 Système auditif ainsi que procédé de transmission

Country Status (3)

Country Link
US (1) US9570089B2 (fr)
EP (1) EP2885926A1 (fr)
WO (1) WO2014049455A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217085A1 (de) 2014-08-27 2016-03-03 Sivantos Pte. Ltd. Hörhilfegerät sowie Verfahren zum Betrieb des Hörhilfegeräts mit einer Kommunikationsvorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19525944C2 (de) 1995-07-18 1999-03-25 Berndsen Klaus Juergen Dr Hörhilfe
CA2396771A1 (fr) 2000-01-20 2001-07-26 Starkey Laboratories, Inc. Systemes pour protheses auditives
DE10261682B4 (de) 2002-12-31 2014-07-17 Gabriele Lisa Trinkel System, Verfahren zur kontaktlosen Kommunikation mittels passiver, elektromechanischer Wandler
US7248711B2 (en) 2003-03-06 2007-07-24 Phonak Ag Method for frequency transposition and use of the method in a hearing device and a communication device
DE10347212B3 (de) 2003-10-10 2005-03-24 Siemens Audiologische Technik Gmbh Hörhilfevorrichtung zum automatischen Schalten in einen Telefonbetrieb und entsprechendes Verfahren
DE102007030961B3 (de) 2007-07-04 2009-02-05 Siemens Medical Instruments Pte. Ltd. Hörgerät mit mehrstufiger Aktivierungsschaltung und Verfahren zu seinem Betrieb
DE102008055726A1 (de) 2008-11-04 2010-05-12 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit Positionskompensation des Mikrofonsignals und Signalverarbeitungsverfahren
EP2211339B1 (fr) 2009-01-23 2017-05-31 Oticon A/s Système d'écoute

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2014049455A1 *

Also Published As

Publication number Publication date
US20150243298A1 (en) 2015-08-27
US9570089B2 (en) 2017-02-14
WO2014049455A1 (fr) 2014-04-03

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