EP1596362A1 - Conversion de texte en parole dans les prothèses auditives - Google Patents

Conversion de texte en parole dans les prothèses auditives Download PDF

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Publication number
EP1596362A1
EP1596362A1 EP04011107A EP04011107A EP1596362A1 EP 1596362 A1 EP1596362 A1 EP 1596362A1 EP 04011107 A EP04011107 A EP 04011107A EP 04011107 A EP04011107 A EP 04011107A EP 1596362 A1 EP1596362 A1 EP 1596362A1
Authority
EP
European Patent Office
Prior art keywords
hearing system
text
digital text
hearing
audio signals
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Withdrawn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
EP04011107A
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German (de)
English (en)
Inventor
Christian Berg
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
Priority to EP04011107A priority Critical patent/EP1596362A1/fr
Publication of EP1596362A1 publication Critical patent/EP1596362A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • G10L13/00—Speech synthesis; Text to speech systems

Definitions

  • the present invention relates to a hearing system for a person, comprising input means for providing electric signals, signal processing means for processing the electrical signals for producing audio signals and output transducer means for converting audio signals into a stimulation of the person's hearing.
  • the invention also relates to a method for operating a hearing system.
  • a hearing system which comprises a microphone, a microprocessor for signal processing and a cochlear electrode array disposed adjacent to the basilar membrane. These components may be integrated within an implanted housing or the microphone and the microprocessor may be integrated within a separate external unit which is connected to the electrode array via a wireless link.
  • the system further includes an external remote control keypad connected to the microprocessor via a wireless link. The keypad serves to enter commands for controlling operation of the hearing system.
  • the system further includes a message source consisting of a message memory and a speech synthesizer for transmitting messages to the user of the system. The messages are entered into the system via the microphone and are processed by a speech processor prior to being stored in the message memory.
  • US 5,721,783 discloses a hearing system comprising an ear piece which is to be arranged in the ear canal and a remote processor unit which can be concealed under clothing and which communicates with the ear piece via a wireless link.
  • the ear piece comprises a microphone, a transmitter and a speaker, while the remote processor unit provides for processing of audio signals.
  • the remote processor unit may be connected to a remote-site computer via a secondary wireless link for exchanging both digital data and speech signals.
  • the hearing system facilitates text-to-speech translation of electronic mail messages and faxes where information is received via the secondary link and processed by the digital signal processor of the remote processor unit.
  • US 2002/0012438 Al relates to a hearing system comprising a speech recognition module and a speech synthesis module as the signal processing unit between the input transducer and the output transducer, with the output of the speech recognition module being input into the speech synthesis module, whereby an effective reduction of noise is achieved.
  • a hearing system as defined in claim 1 and a method as defined in claim 33 are achieved by a hearing system as defined in claim 1 and a method as defined in claim 33.
  • This solution is beneficial in that by inputting and storing information as digital text in the hearing system prior to converting the digital text into audio signals, text information to be provided to the person using the hearing system is handled and stored in a very compact manner, so that in particular the storing means only need to have a significantly reduced capacity compared to storage of information as audio signals.
  • the functionality of conventional hearing systems can be significantly enhanced without the need of a significantly increased system complexity.
  • the input means may be a microphone.
  • the input means may be an input receiver means for receiving electrical signals from an external signal source, such as an external microphone, preferably via a wireless link.
  • the source of digital text may be external to the hearing system, with hearing system comprising an interface for communication with the external source of digital text.
  • the source of digital text may be internal to the hearing system and comprises means for converting speech to digital text.
  • also combined embodiments are perceivable, wherein the digital text to be stored is provided both from an external source and from an internal source.
  • the signal processing means may be adapted to provide for a hearing aid function of the hearing system, e.g. by amplifying the electrical signals.
  • the signal processing means may be adapted to provide for an active hearing protection function of the hearing system.
  • the hearing system may comprise means for recognizing specific pre-defined non-speech sounds, means for associating a specific digital text stored in the text storage means to each of the pre-defined non-speech sounds, and means for retrieving a specific digital text associated to the recognized pre-defined non-speech sound form the text storage means and providing it to said means for converting digital text into audio signals.
  • the pre-defined non-speech sounds comprise alarm signals, with the associated specific digital text comprising alarm messages.
  • the text converting means comprise a programmable digital signal processor and a program memory with a speech synthesis software which may be input into the hearing system from a programming unit via the interface.
  • the interface may be adapted for wireless communication based on the Bluetooth standard.
  • the source of digital text is a Personal Digital Assistant (PDA), a portable computer (i.e. a notebook or a laptop), a personal computer or a mobile phone.
  • PDA Personal Digital Assistant
  • portable computer i.e. a notebook or a laptop
  • personal computer i.e. a personal computer or a mobile phone.
  • the hearing system is adapted for communication with external fitting means designed for performing at least one of the following functions: determining the language and/or the speaker of the audio signals converted from the digital text; adjusting the loudness of the audio signals produced by the digital text converting means; activation or deactivation of the digital text converting means; controlling mixing of the audio signals produced by the digital text converting means with the audio signals produced by the signal processing means from the input electrical signals.
  • the fitting means may be implemented in the text source or in the programming unit or in a separate device, such as a personal computer or a Personal Digital Assistant.
  • a hearing system 10 comprises input transducer means 12 for converting ambient sounds into an electrical signal, signal processing means 14 for processing the electrical signals of the input transducer means 12 for producing audio signals and output transducer means 16 for converting audio signals into a stimulation of a person's hearing 18.
  • the input transducer means is a microphone 12.
  • the output transducer means is preferably an electro-acoustic transducer, i.e. a speaker, which is located in the ear canal.
  • the output transducer means may be, for example, a cochlear electrode array disposed adjacent the basilar membrane for direct electrical stimulation of the cochlear nerve of the person's ear 18 or an electromechanical transducer for stimulation of the middle ear or the inner ear of the person.
  • the hearing system 10 is designed to be worn in the person's ear canal ("in-the-ear") or behind the person's ear ("behind-the-ear"). In the other cases, the hearing system 10 will be at least partially implanted in the person's skull, with at least the output transducer means 16 being implanted.
  • the hearing system 10 further includes a power supply 20, i.e. a rechargeable or non-rechargeable battery.
  • a power supply 20 i.e. a rechargeable or non-rechargeable battery.
  • the signal processing means 14 includes a programmable digital signal processor (DSP) 22 and a program memory 24 wherein a control program for the DSP 22 is stored.
  • a data memory 26 is provided wherein person-specific data needed by the control program for operating the hearing system 10 is stored.
  • the hearing system 10 further includes an interface 28 for wireless communication with an external programming unit 30 which serves to individually adapt the hearing system 10 to the person by inputting person-specific data into the data memory 26.
  • the programming unit 30 may serve to update the control software in the program memory 24.
  • the interface 28 is adapted for wireless communication based on the so-called “Bluetooth” standard, for example a standard available under the trademark "NOAHLink”.
  • the interface 28 is also adapted for wireless communication not only with the programming unit 30 but also with a source 32 of digital text which preferably is a Personal Digital Assistant (PDA), a portable computer such as a laptop or a notebook, a non-portable personal computer or a mobile phone.
  • a source 32 of digital text which preferably is a Personal Digital Assistant (PDA), a portable computer such as a laptop or a notebook, a non-portable personal computer or a mobile phone.
  • PDA Personal Digital Assistant
  • communication between the text source 32 and the interface 28 uses the same standard as the communication between the programming unit 30 and the interface 28. This can be achieved, for example, by providing the text source 32 with an appropriate added device 34, such as a plug-in USB device or personal computer card device.
  • Digital text received from the text source 32 is stored in a non-volatile text memory 36.
  • the signal processing means 14 includes means 38 for converting digital text received from the text memory 36 into audio signals which are converted by the output transducer means 16 into a stimulation of the person's ear 18.
  • the text converting means 38 are represented by a speech synthesis function provided by the DSP 22 in combination with a corresponding speech synthesis software stored in the program memory 24.
  • the digital text output from the text memory 36 is controlled by activation means 40 which, in turn, may be controlled or activated by a timer 42 or operating means 44 to be operated by the person.
  • the operating means may be represented, for example, by a manual switch or a voice control module.
  • the audio signals produced by speech synthesis may be mixed with the audio signals produced from the signals of the microphone 12, or may be provided to the output transducer 16 alternately with the audio signals produced from the signals of the microphone 12.As indicated by a dashed line in Fig. 1, the text converting means 38 also my be capable of receiving and converting the digital text input received directly from the interface 28 and not stored in the text memory 36.
  • the hearing system 10 is adapted for communication with external fitting means designed for performing at least one of the following functions: determining the language and/or the speaker of the audio signals converted from the digital text, adjusting the loudness of the audio signals produced by the digital text converting means 38, activation or deactivation of the digital text converting means 38, and controlling the mixing of the audio signals produced by the digital text converting means 38 with the audio signals produced by the signal processing means 14 from the input electrical signals (e.g. controlling the loudness ratio of the two signals).
  • the fitting means may implemented in the text source 32 or in the programming unit 38. Alternatively , the fitting means may be implemented in a separate device 48, such as a personal computer, a Personal Digital Assistant or a mobile phone, which communicates with hearing system 10 via the interface 28, preferably via a wireless link.
  • the signal processing means 14 may include means 46 for voice and/speech recognition in order to achieve a significantly improved signal to noise ratio by converting the electrical signal from the microphone 12 into text by the speech recognition means 46 and recreating speech (i.e. an audio signal corresponding to speech) by the speech synthesis function 38.
  • the digital text provided by the text source 32 may be all kind of messages and information, such as telephone numbers, addresses, shopping lists, agenda information etc.
  • timer 42 such information may be provided by the hearing system 10 the person's ear 18 at a given time as a reminder.
  • desired text information may be retrieved by the person from the text memory 36 by acting on the operating means 44.
  • a separate interface may be provided for the text source 32 and the speech synthesis function 38 may be provided separate from the signal processing means 14.
  • Fig. 2 shows an alternative embodiment which differs from the embodiment of Fig. 1 in that the microphone 12 internal to the hearing system 10 is replaced by an input receiver means 50 for receiving electrical input signals from an external signal source 52, such as an external microphone, via a wireless link, such as a RF link.
  • an external signal source 52 such as an external microphone
  • Such a configuration may be employed, for example, for the wireless communication between persons in a noisy environment, such as in an air plane or on a boat.
  • the external signal source 52 is a microphone worn by another person.
  • the hearing system 10 may be integrated within a noise protection device worn at or within the user's ear.
  • the external digital text source 32 may be supplemented of replaced by an internal digital text source formed by the speech recognition means 46 where selected speech signals received from the microphone 12 or the input receiver means 50 are converted to digital text which can be stored in the text memory 36 for later, e.g. upon request by the user, being retrieved by the activation means 40 and reconverted to audio signals by the speech synthesis function 38.
  • the hearing system 10 includes a hearing aid function, in particular for use by persons having an impaired hearing.
  • the signal processing means 14 is adapted to provide for a hearing aid function, e.g. by amplifying and person-specifically modifying the electrical signals provided by the microphone 12 or the input receiver means 50.
  • the hearing system 10 may include an active hearing protection function.
  • the signal processing means 14 may be adapted to attenuate the electrical signals provided the microphone 12 .
  • the signal processing means 14 may include a sound analyzing processor for controlling the active hearing protection function depending on the analyzed auditory scene. For example, in a silent environment no attenuation will take place, while in a noisy environment attenuation will be applied with an appropriate level depending on the noise level.
  • the signal processing means 14 may be adapted to invert the electrical signals provided by the microphone 12 in phase for producing "anti-noise" in order to reduce the noise level.
  • signal processing means 14 system may comprise means for recognizing specific pre-defined non-speech sounds, means for associating a specific digital text stored in the text memory 36 to each of the pre-defined non-speech sounds, and means for retrieving a specific digital text associated to the recognized pre-defined non-speech sound from the text memory 36 and providing it to the means 38 for converting digital text into audio signals.
  • the pre-defined non-speech sounds may comprise alarm signals, with the associated specific digital text comprising corresponding alarm messages. Thereby the user may be safely provided, for example, with an alarm message while protected from a noisy auditory scene. This feature is particularly beneficial for being used together with the active hearing protection function, but may also be used together with the hearing aid function.
  • the signal processing means 14 is adapted to mix the audio signals produced from the associated specific digital text with audio signals produced from electrical signals of microphone 12 or the input receiver means 50.
  • the hearing system may include means 54 for storing pre-defined non-speech sounds which are pre-recorded.
  • the signal processing means 14 may include means for controlling operation of the hearing system 10 according to pre-defined speech commands detected by the speech recognition means 46, thereby enabling voice control of the hearing system 10.
  • signal processing means 14 may include means for recognizing specific pre-defined non-speech sound commands and means for controlling operation of the hearing system according to the pre-defined non-speech sound commands when detected.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
EP04011107A 2004-05-10 2004-05-10 Conversion de texte en parole dans les prothèses auditives Withdrawn EP1596362A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04011107A EP1596362A1 (fr) 2004-05-10 2004-05-10 Conversion de texte en parole dans les prothèses auditives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04011107A EP1596362A1 (fr) 2004-05-10 2004-05-10 Conversion de texte en parole dans les prothèses auditives

Publications (1)

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EP1596362A1 true EP1596362A1 (fr) 2005-11-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011095229A1 (fr) * 2010-02-08 2011-08-11 Advanced Bionics Ag Aide auditive entièrement implantable
US9788128B2 (en) 2013-06-14 2017-10-10 Gn Hearing A/S Hearing instrument with off-line speech messages
EP3291580A1 (fr) * 2016-08-29 2018-03-07 Oticon A/s Dispositif d'aide auditive ayant une fonctionnalite de commande vocale
US11153472B2 (en) 2005-10-17 2021-10-19 Cutting Edge Vision, LLC Automatic upload of pictures from a camera

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041498A1 (fr) 1995-06-07 1996-12-19 Anderson James C Appareil auditif comprenant un processeur sans fil situe a distance
EP1173044A2 (fr) * 2000-06-30 2002-01-16 Cochlear Limited Système implantable de réhabilitation d'un trouble auditif
US20020029146A1 (en) 2000-09-05 2002-03-07 Nir Einat H. Language acquisition aide
US6377925B1 (en) 1999-12-16 2002-04-23 Interactive Solutions, Inc. Electronic translator for assisting communications

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041498A1 (fr) 1995-06-07 1996-12-19 Anderson James C Appareil auditif comprenant un processeur sans fil situe a distance
US6377925B1 (en) 1999-12-16 2002-04-23 Interactive Solutions, Inc. Electronic translator for assisting communications
EP1173044A2 (fr) * 2000-06-30 2002-01-16 Cochlear Limited Système implantable de réhabilitation d'un trouble auditif
US20020029146A1 (en) 2000-09-05 2002-03-07 Nir Einat H. Language acquisition aide

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11153472B2 (en) 2005-10-17 2021-10-19 Cutting Edge Vision, LLC Automatic upload of pictures from a camera
US11818458B2 (en) 2005-10-17 2023-11-14 Cutting Edge Vision, LLC Camera touchpad
WO2011095229A1 (fr) * 2010-02-08 2011-08-11 Advanced Bionics Ag Aide auditive entièrement implantable
US9788128B2 (en) 2013-06-14 2017-10-10 Gn Hearing A/S Hearing instrument with off-line speech messages
EP3291580A1 (fr) * 2016-08-29 2018-03-07 Oticon A/s Dispositif d'aide auditive ayant une fonctionnalite de commande vocale
CN107801138A (zh) * 2016-08-29 2018-03-13 奥迪康有限公司 具有语音控制功能的助听器装置
US10510345B2 (en) 2016-08-29 2019-12-17 Oticon A/S Hearing aid device with speech control functionality
EP3799446A1 (fr) * 2016-08-29 2021-03-31 Oticon A/s Dispositif d'aide auditive ayant une fonctionnalité de commande vocale
US11348580B2 (en) 2016-08-29 2022-05-31 Oticon A/S Hearing aid device with speech control functionality
US12051414B2 (en) 2016-08-29 2024-07-30 Oticon A/S Hearing aid device with speech control functionality

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