CA2439427A1 - Method for determining an acoustic environment situation, application of the method and hearing aid - Google Patents

Method for determining an acoustic environment situation, application of the method and hearing aid Download PDF

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Publication number
CA2439427A1
CA2439427A1 CA002439427A CA2439427A CA2439427A1 CA 2439427 A1 CA2439427 A1 CA 2439427A1 CA 002439427 A CA002439427 A CA 002439427A CA 2439427 A CA2439427 A CA 2439427A CA 2439427 A1 CA2439427 A1 CA 2439427A1
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kin
class information
processing stage
processing
unit
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CA002439427A
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French (fr)
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CA2439427C (en
Inventor
Silvia Allegro
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Sonova Holding AG
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Individual
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Publication of CA2439427A1 publication Critical patent/CA2439427A1/en
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Publication of CA2439427C publication Critical patent/CA2439427C/en
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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
    • 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
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/41—Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest
    • 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
    • H04R25/407—Circuits for combining signals of a plurality of transducers

Abstract

The invention relates to a method and a device for determining an acoustic environment situation. The method consists of processing an acoustic input signal (IN) that is preferably picked up with the help of at least one microphone in at least two processing stages (S1, ..., Sn). At least one of the two processing stages (S1, ..., Sn) comprises an extraction phase in which characteristic features are extracted from the input signal (IN) and each of the processing stages (S1, ..., Sn) comprises an identification phase in which extracted characteristic features are classified. Class information (KI1, ..., KIn; KI1', ..., KIn') characterising or identifying the acoustic environment situation is generated based on the classification of said features in at least one processing stage (S1, ..., Sn). The invention also relates to applications of the inventive method in hearing aids and to a hearing aid.

Claims (21)

1. Method for identifying an acoustic scene, whereas the method comprises the steps that an acoustic input signal (IN) preferably recorded by at least one microphone is processed in at least two processing stages (S1, ..., Sn) in such a manner - that an extraction phase is provided in at least one of the at least two processing stages (S1, ..., Sn), in which extraction phase characteristic features are extracted from the input signal (IN), and - that an identification phase is provided in each processing stage (S1, ..., Sn), in which identification phase the extracted characteristic features are classified, whereby class information (KI1, ..., Kin; KI1', ..., KIn') is generated according to the classification of the features in at least one of the processing stages(S1, ..., Sn), which class information (KI1, ..., Kin; KI1', ..., KIn') characterizes or identifies the acoustic scene.
2. Method according to claim 1, characterized in that an extraction phase is provided in each processing stage (S1, ..., Sn), in which extraction phase characteristic features are extracted from the input signal (IN).
3. Method according to claim 1 or 2, characterized in that a manner of processing in a processing stage (S1, ..., Sn) is selected according to the class information (KI1, ..., Kin; KI1', ..., KIn') obtained in another processing stage (S1, ..., Sn).
4. Method according to claim 2 or 3, characterized in that the class information (KI1, ..., KIn; KI1', ..., KIn') obtained in the identification phase of a processing stage i (S1, ..., Sn) determines a processing manner in one of the following, inferior processing stages i+1 (S1, ..., Sn).
5. Method according to claim 4, characterized in that, according to class information (KI1, ..., KIn; KI1', ..., KIn') obtained in the processing stage i (S1, ..., Sn), specific features are selected in the extraction phase of the following, inferior processing stage i+1 (S1, ..., Sn) and/or specific classification methods are selected in the identification phase of the following, inferior processing stage i+1 (S1, ..., Sn).
6. Method according to one of the preceding claims, characterized in that one of the following classification methods is used in the identification phase:
- Hidden Markov Models;
- Fuzzy Logic;

-Bayes Classifier;
-Rule-based Classifier -Neuronal Networks;
-Minimal Distance.
7. Method according to one of the preceding claims, characterized in that technical- and/or auditory-based features are extracted in the extraction phase.
8. Method according to one of the preceding claims, characterized in that a post-processing phase is provided in at least one processing stage (S1, ..., Sn) subsequent to the extraction phase, in which post-processing stage the class information (KI1, ..., KIn) are revised in order to generate revised class information (KI1', ..., KIn').
9. Use of the method according to one of the claims 1 to 8 for the adjustment of at least one hearing device to a momentary acoustic scene.
10. Use according to claim 9, characterized in that a hearing program or a transfer function between at least one microphone and a speaker in a hearing device is selected according to a determined acoustic scene.
11. Use of the method according to one of the claims 1 to 8 for speech recognition.
12. Device for identifying an acoustic scene with a feature extraction unit (M) which is operatively connected to a classification unit (C) in order to process an input signal (IN), characterized in that at least two processing stages (S1, ..., Sn) are provided, a feature extraction unit (F1, ..., Fn) being contained in at least one of the at least two processing stages (S1, ..., Sn), and a classification unit (C1, ..., Cn) being contained in each processing stage (S1, ..., Sn), that the input signal (IN) is fed to the feature extraction units (F1, ..., Fn) and that class information (KI1, ..., KIn) is generated by the classification units (C1, ..., Cn).
13. Device according to claim 12, characterized in that a feature extraction unit (F1, ..., Fn) is provided in each processing stage (S1, ..., Sn).
14. Device according to claim 12 or 13, characterized in that the class information (KI1, ..., KIn; KI1', ..., KIn') is fed to other processing stages (S1, ..., Sn).
15. Device according to one of the claims 12 to 14, characterized in that the class information (KI1, ..., KIn;
KI1', ..., KIn') of a processing stage i (S1, ..., Sn) is fed to a following, inferior processing stage i+1 (S1, ..., Sn).
16. Device according to claim 15, characterized in that the class information (KI1, ..., KIn; KI1', ..., KIn') of a processing stage i (S1, ..., Sn) is fed to a feature extraction unit (F1, ..., Fn) of a following, inferior processing stage i+1 (S1, ..., Sn), and/or that the class information (KI1, ..., KIn; KI1', ..., KIn') of a processing stage i (S1, ..., Sn) is fed to a classification unit (C1, ..., Cn) of a following, inferior processing stage i+1 (S1, ..., Sn).
17. Device according to one of the claims 12 to 16, characterized in that the class information (KI1, ..., KIn) obtained in at least one processing stage (S1, ..., Sn) is fed to a post-processing unit (P1, ..., Pn) in order to generate revised class information (KI1', ..., KIn').
18. Device according to claim 12 or 13, characterized in that the class information (KI1, ..., KIn) of all processing stages (S1, ..., Sn) is fed to a decision unit (ED).
19. Device according to claim 18, characterized in that the decision unit (ED) is operatively connected to at least one of the feature extraction units (F1, ..., Fn) and/or to at least one of the classification units (C1, ..., Cn).
20. Hearing device with a transfer unit (200) which is, on its input side, operatively connected to at least one microphone and, on its output side, to a converter unit, in particular to a speaker, and with a device according to one of the claims 12 to 17 for generating class information (KI1, ..., KIn; KI1', ..., KIn'), whereas the class information (KI1, ..., KIn; KI1', ..., KIn') is fed to the transfer unit (200).
21. Hearing device according to claim 20, characterized in that an input unit (300) is provided which is operatively connected to the transfer unit (200) and/or to the device according to one of the claims 12 to 17.
CA2439427A 2002-01-28 2002-01-28 Method for determining an acoustic environment situation, application of the method and hearing aid Expired - Lifetime CA2439427C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2002/000049 WO2002032208A2 (en) 2002-01-28 2002-01-28 Method for determining an acoustic environment situation, application of the method and hearing aid

Publications (2)

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CA2439427A1 true CA2439427A1 (en) 2002-04-25
CA2439427C CA2439427C (en) 2011-03-29

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Family Applications (1)

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CA2439427A Expired - Lifetime CA2439427C (en) 2002-01-28 2002-01-28 Method for determining an acoustic environment situation, application of the method and hearing aid

Country Status (5)

Country Link
EP (1) EP1470735B1 (en)
JP (1) JP3987429B2 (en)
AU (2) AU2002224722B2 (en)
CA (1) CA2439427C (en)
WO (1) WO2002032208A2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835785A2 (en) * 2006-03-14 2007-09-19 Starkey Laboratories, Inc. Environment detection and adaptation in hearing assistance devices
US7738665B2 (en) 2006-02-13 2010-06-15 Phonak Communications Ag Method and system for providing hearing assistance to a user
US7738666B2 (en) 2006-06-01 2010-06-15 Phonak Ag Method for adjusting a system for providing hearing assistance to a user
US7986790B2 (en) 2006-03-14 2011-07-26 Starkey Laboratories, Inc. System for evaluating hearing assistance device settings using detected sound environment
US8068627B2 (en) 2006-03-14 2011-11-29 Starkey Laboratories, Inc. System for automatic reception enhancement of hearing assistance devices
US8958586B2 (en) 2012-12-21 2015-02-17 Starkey Laboratories, Inc. Sound environment classification by coordinated sensing using hearing assistance devices

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AUPS247002A0 (en) * 2002-05-21 2002-06-13 Hearworks Pty Ltd Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions
US7889879B2 (en) 2002-05-21 2011-02-15 Cochlear Limited Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions
EP2254350A3 (en) * 2003-03-03 2014-07-23 Phonak AG Method for manufacturing acoustical devices and for reducing wind disturbances
US8027495B2 (en) 2003-03-07 2011-09-27 Phonak Ag Binaural hearing device and method for controlling a hearing device system
EP1320281B1 (en) 2003-03-07 2013-08-07 Phonak Ag Binaural hearing device and method for controlling such a hearing device
DK1326478T3 (en) 2003-03-07 2014-12-08 Phonak Ag Method for producing control signals and binaural hearing device system
US20040175008A1 (en) 2003-03-07 2004-09-09 Hans-Ueli Roeck Method for producing control signals, method of controlling signal and a hearing device
ATE527829T1 (en) * 2003-06-24 2011-10-15 Gn Resound As BINAURAL HEARING AID SYSTEM WITH COORDINATED SOUND PROCESSING
US6912289B2 (en) 2003-10-09 2005-06-28 Unitron Hearing Ltd. Hearing aid and processes for adaptively processing signals therein
DE10356093B3 (en) * 2003-12-01 2005-06-02 Siemens Audiologische Technik Gmbh Hearing aid with adaptive signal processing of received sound waves dependent on identified signal source direction and signal classification
US20060182295A1 (en) 2005-02-11 2006-08-17 Phonak Ag Dynamic hearing assistance system and method therefore
US7957548B2 (en) 2006-05-16 2011-06-07 Phonak Ag Hearing device with transfer function adjusted according to predetermined acoustic environments
WO2007131815A1 (en) * 2006-05-16 2007-11-22 Phonak Ag Hearing device and method for operating a hearing device
DK1858292T4 (en) 2006-05-16 2022-04-11 Phonak Ag Hearing device and method of operating a hearing device
US8249284B2 (en) 2006-05-16 2012-08-21 Phonak Ag Hearing system and method for deriving information on an acoustic scene
US8605923B2 (en) 2007-06-20 2013-12-10 Cochlear Limited Optimizing operational control of a hearing prosthesis
EP2192794B1 (en) 2008-11-26 2017-10-04 Oticon A/S Improvements in hearing aid algorithms
EP2569955B1 (en) 2010-05-12 2014-12-03 Phonak AG Hearing system and method for operating the same
EP2596647B1 (en) 2010-07-23 2016-01-06 Sonova AG Hearing system and method for operating a hearing system
WO2010133703A2 (en) 2010-09-15 2010-11-25 Phonak Ag Method and system for providing hearing assistance to a user
JP2012083746A (en) * 2010-09-17 2012-04-26 Kinki Univ Sound processing device
US20150139468A1 (en) * 2012-05-15 2015-05-21 Phonak Ag Method for operating a hearing device as well as a hearing device
CN112954569B (en) * 2021-02-20 2022-10-25 深圳市智听科技有限公司 Multi-core hearing aid chip, hearing aid method and hearing aid

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DE60120949T2 (en) * 2000-04-04 2007-07-12 Gn Resound A/S A HEARING PROSTHESIS WITH AUTOMATIC HEARING CLASSIFICATION
WO2001020965A2 (en) * 2001-01-05 2001-03-29 Phonak Ag Method for determining a current acoustic environment, use of said method and a hearing-aid

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7738665B2 (en) 2006-02-13 2010-06-15 Phonak Communications Ag Method and system for providing hearing assistance to a user
EP1835785A2 (en) * 2006-03-14 2007-09-19 Starkey Laboratories, Inc. Environment detection and adaptation in hearing assistance devices
US7986790B2 (en) 2006-03-14 2011-07-26 Starkey Laboratories, Inc. System for evaluating hearing assistance device settings using detected sound environment
US8068627B2 (en) 2006-03-14 2011-11-29 Starkey Laboratories, Inc. System for automatic reception enhancement of hearing assistance devices
US8494193B2 (en) 2006-03-14 2013-07-23 Starkey Laboratories, Inc. Environment detection and adaptation in hearing assistance devices
US9264822B2 (en) 2006-03-14 2016-02-16 Starkey Laboratories, Inc. System for automatic reception enhancement of hearing assistance devices
US7738666B2 (en) 2006-06-01 2010-06-15 Phonak Ag Method for adjusting a system for providing hearing assistance to a user
US8958586B2 (en) 2012-12-21 2015-02-17 Starkey Laboratories, Inc. Sound environment classification by coordinated sensing using hearing assistance devices
US9584930B2 (en) 2012-12-21 2017-02-28 Starkey Laboratories, Inc. Sound environment classification by coordinated sensing using hearing assistance devices

Also Published As

Publication number Publication date
WO2002032208A3 (en) 2002-12-05
EP1470735A2 (en) 2004-10-27
JP2005504325A (en) 2005-02-10
AU2472202A (en) 2002-04-29
JP3987429B2 (en) 2007-10-10
WO2002032208A2 (en) 2002-04-25
CA2439427C (en) 2011-03-29
EP1470735B1 (en) 2019-08-21
AU2002224722B2 (en) 2008-04-03

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Effective date: 20220128