CA2462634A1 - System and method for detecting the insertion or removal of a hearing instrument from the ear canal - Google Patents
System and method for detecting the insertion or removal of a hearing instrument from the ear canal Download PDFInfo
- Publication number
- CA2462634A1 CA2462634A1 CA002462634A CA2462634A CA2462634A1 CA 2462634 A1 CA2462634 A1 CA 2462634A1 CA 002462634 A CA002462634 A CA 002462634A CA 2462634 A CA2462634 A CA 2462634A CA 2462634 A1 CA2462634 A1 CA 2462634A1
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- CA
- Canada
- Prior art keywords
- hearing instrument
- acoustic energy
- level
- space
- frequency band
- 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.)
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Classifications
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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
- H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
- H04R25/305—Self-monitoring or self-testing
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- 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
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- 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
- 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
- H04R2460/05—Electronic compensation of the occlusion effect
-
- 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
- H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices
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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
- H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
- H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
Abstract
A hearing instrument system detects the insertion or removal of a hearing instrument into a space and includes first and second acoustic transducers, first and second level detection circuitry, and signal processing circuitry. The first acoustic transducer is configured to receive a first electrical signal and in response radiate acoustic energy, and the second acoustic transducer is configured to receive radiated acoustic energy and in response generate a second electrical signal. The first level detection circuitry is operable to receive the first electrical signal and generate a first intensity signal, and the second level detection circuitry is operable to receive the second electrical signal and generate a second intensity signal. The signal processing circuitry is operable to receive the first and second intensity signals and compare the first and second intensity signals and determine whether the hearing instrument is inserted into the space or removed from the space based on the comparison.
Claims (31)
1. A hearing instrument system for detecting the insertion or removal of a hearing instrument into a space, comprising:
a first acoustic transducer configured to receive a first electrical signal and in response radiate acoustic energy;
first level detection circuitry coupled to the first acoustic transducer and operable to receive the first electrical signal and generate a first intensity signal;
a second acoustic transducer configured to receive radiated acoustic energy and in response generate a second electrical signal;
second level detection circuitry coupled to the second acoustic transducer and operable to receive the second electrical signal and generate a second intensity signal;
and signal processing circuitry coupled to the first and second level detection circuitry and operable to receive the first and second intensity signals and compare the first and second intensity signals and determine whether the hearing instrument is inserted into the space or removed from the space based on the comparison.
a first acoustic transducer configured to receive a first electrical signal and in response radiate acoustic energy;
first level detection circuitry coupled to the first acoustic transducer and operable to receive the first electrical signal and generate a first intensity signal;
a second acoustic transducer configured to receive radiated acoustic energy and in response generate a second electrical signal;
second level detection circuitry coupled to the second acoustic transducer and operable to receive the second electrical signal and generate a second intensity signal;
and signal processing circuitry coupled to the first and second level detection circuitry and operable to receive the first and second intensity signals and compare the first and second intensity signals and determine whether the hearing instrument is inserted into the space or removed from the space based on the comparison.
2. The hearing instrument system of claim 1, wherein the first and second electrical signals received by the first and second level detection circuitry correspond to a stable band differential.
3. The hearing instrument system of claim 2, wherein the stable band differential corresponds to a frequency band defining a lower frequency and an upper frequency, the upper frequency less than or equal to 10 kilohertz.
4. The hearing instrument system of claim 1, wherein the signal processing circuitry is further operable to reduce a gain associated with the first acoustic transducer upon detection that the hearing instrument is removed from the space.
5. The hearing instrument system of claim 4, wherein the signal processing circuitry is further operable to power off the hearing instrument if the signal processing circuitry does not detect an insertion into the space within a specified time period after the detection that the hearing instrument has been removed from the space.
6. The hearing instrument system of claim 4, wherein the signal processing circuitry is further operable to increase the gain associated with the first acoustic transducer upon detection that the hearing instrument is inserts into the space.
7. The hearing instrument system of claim 4, wherein the signal processing circuitry is further operable to increase the gain associated with the first acoustic transducer after a specified time period after the detection that the hearing instrument is inserted into the space.
8. The hearing instrument system of claim 1, wherein the signal processing circuitry is further operable to:
monitor the level of acoustic energy radiated by the first transducer over a frequency band;
monitor the level of acoustic energy received by the second acoustic transducer over a frequency band in response to the acoustic energy radiated by the first acoustic transducer when the hearing instrument is inserted into the space;
compare the level of acoustic energy received by the second acoustic transducer over a frequency band in response to the acoustic energy radiated by the first acoustic transducer to obtain first comparison data;
monitor the level of acoustic energy received by the second acoustic transducer over the frequency band in response to the acoustic energy radiated by the first acoustic transducer when the hearing instrument is removed from the space;
compare the level of acoustic energy radiated by the second acoustic transducer to the level of acoustic energy received by the first acoustic transducer over the frequency band when the hearing instrument is removed from the space to obtain second comparison data; and identify stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events.
monitor the level of acoustic energy radiated by the first transducer over a frequency band;
monitor the level of acoustic energy received by the second acoustic transducer over a frequency band in response to the acoustic energy radiated by the first acoustic transducer when the hearing instrument is inserted into the space;
compare the level of acoustic energy received by the second acoustic transducer over a frequency band in response to the acoustic energy radiated by the first acoustic transducer to obtain first comparison data;
monitor the level of acoustic energy received by the second acoustic transducer over the frequency band in response to the acoustic energy radiated by the first acoustic transducer when the hearing instrument is removed from the space;
compare the level of acoustic energy radiated by the second acoustic transducer to the level of acoustic energy received by the first acoustic transducer over the frequency band when the hearing instrument is removed from the space to obtain second comparison data; and identify stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events.
9. The hearing instrument system of claim 1, wherein the hearing instrument is a hearing aid.
10. The hearing instrument system of claim 1, wherein the hearing instrument is a communications device.
11. The hearing instrument system of claim 1, wherein the first and second level detection circuitry comprises first and second bandpass filters, respectively, and first and second level detectors, respectively.
12. An electronically-implemented method of determining whether a hearing instrument is removed from or inserted into a space, comprising:
monitoring the level of acoustic energy radiated by the hearing instrument;
monitoring the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument; and determining whether the hearing instrument is inserted into the space or removed from the space based on the comparison.
monitoring the level of acoustic energy radiated by the hearing instrument;
monitoring the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument; and determining whether the hearing instrument is inserted into the space or removed from the space based on the comparison.
13. The method of claim 12, wherein the monitoring steps comprise monitoring over a stable band differential.
14. The method of claim 13, wherein the stable band differential corresponds to a frequency band defining a lower frequency and an upper frequency, the upper frequency less than or equal to 10 kilohertz.
15. The method of claim 12, further comprising reducing a gain associated with the acoustic energy radiated by the hearing instrument upon detection that the hearing instrument is removed from the space.
16. The method of claim 15, further comprising powering off the hearing instrument if a determination that an insertion into the space does not occur within a specified time period after the detection that the hearing instrument has been removed from the space.
17. The method of claim 15, further comprising increasing the gain associated with acoustic energy radiated by the hearing instrument upon detection that the hearing instrument is inserted into the space.
18. The method of claim 15, further comprising increasing the gain associated with acoustic energy radiated by the hearing instrument after a specified time period after the detection that the hearing instrument is inserted into the space.
19. The method of claim 12, further comprising:
monitoring the level of acoustic energy radiated by the hearing instrument over a frequency band;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is inserted into the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is inserted into the space to obtain first comparison data;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is removed from the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is removed from the space to obtain second comparison data; and identifying stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events.
monitoring the level of acoustic energy radiated by the hearing instrument over a frequency band;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is inserted into the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is inserted into the space to obtain first comparison data;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is removed from the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is removed from the space to obtain second comparison data; and identifying stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events.
20. A hearing instrument, comprising:
means for monitoring the level of acoustic energy radiated by the hearing instrument;
means for monitoring the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument; and means for comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument and for determining whether the hearing instrument system is inserted into the space or removed from the space based on the comparison.
means for monitoring the level of acoustic energy radiated by the hearing instrument;
means for monitoring the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument; and means for comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument in response to the acoustic energy radiated by the hearing instrument and for determining whether the hearing instrument system is inserted into the space or removed from the space based on the comparison.
21. A method of determining whether a hearing instrument is removed from or inserted into a space, comprising:
monitoring the level of acoustic energy radiated by the hearing instrument over a frequency band;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is inserted into the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is inserted into the space to obtain first comparison data;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is removed from the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is removed from the space to obtain second comparison data; and identifying stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events.
monitoring the level of acoustic energy radiated by the hearing instrument over a frequency band;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is inserted into the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is inserted into the space to obtain first comparison data;
monitoring the level of acoustic energy received by the hearing instrument over the frequency band in response to the acoustic energy radiated by the hearing instrument when the hearing instrument is removed from the space;
comparing the level of acoustic energy radiated by the hearing instrument to the level of acoustic energy received by the hearing instrument over the frequency band when the hearing instrument is removed from the space to obtain second comparison data; and identifying stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events.
22. The method of claim 21, wherein identifying stable band differentials between the first comparison data and the second comparison data for the monitoring insertion and removal events comprises:
obtaining a ratio of the first comparison data to the second comparison data;
and determining if the change in ratio over a bandwidth is within a defined range.
obtaining a ratio of the first comparison data to the second comparison data;
and determining if the change in ratio over a bandwidth is within a defined range.
23. The method of claim 21, wherein the frequency band defines a lower frequency and an upper frequency, the upper frequency less than or equal to 10 kilohertz.
24. A hearing instrument system for determining a hearing instrument seal with a user's ear, comprising:
a first acoustic transducer configured to receive a first electrical signal and in response radiate acoustic energy;
first level detection circuitry coupled to the first acoustic transducer and operable to receive the first electrical signal and generate a first intensity signal;
a second acoustic transducer configured to receive radiated acoustic energy and in response generate a second electrical signal;
second level detection circuitry coupled to the second acoustic transducer and operable to receive the second electrical signal and generate a second intensity signal;
and signal processing circuitry coupled to the first and second level detection circuitry and operable to receive the first and second intensity signals and compare a ratio of the first and second intensity signals to a baseline ratio of the first and second intensity signals to determine whether the hearing instrument has formed an acceptable seal with the user's ear.
a first acoustic transducer configured to receive a first electrical signal and in response radiate acoustic energy;
first level detection circuitry coupled to the first acoustic transducer and operable to receive the first electrical signal and generate a first intensity signal;
a second acoustic transducer configured to receive radiated acoustic energy and in response generate a second electrical signal;
second level detection circuitry coupled to the second acoustic transducer and operable to receive the second electrical signal and generate a second intensity signal;
and signal processing circuitry coupled to the first and second level detection circuitry and operable to receive the first and second intensity signals and compare a ratio of the first and second intensity signals to a baseline ratio of the first and second intensity signals to determine whether the hearing instrument has formed an acceptable seal with the user's ear.
25. The hearing instrument system of claim 24, wherein the signal processing circuitry is operable to determine whether the hearing instrument has formed an acceptable seal with the user's ear by determining whether the ratio of the first and second intensity signals is within a threshold level of the baseline ratio over a frequency band.
25. The hearing instrument system of claim 24, wherein the threshold level is constant over the frequency band.
25. The hearing instrument system of claim 24, wherein the threshold level is constant over the frequency band.
26. The hearing instrument system of claim 24, wherein the threshold level varies over the frequency band.
27. The hearing instrument system of claim 24, wherein the signal processing circuitry is operable to cause the first acoustic transducer to periodically radiate a notification tone upon determining that the hearing instrument has not formed an acceptable seal with the user's ear.
28. The hearing instrument system of claim 24, wherein the hearing instrument is a hearing aid.
29. A method of determining whether a hearing instrument forms an acceptable seal with a user's ear, comprising:
obtaining a baseline frequency response of the hearing instrument configured in an acceptable seal;
obtaining a actual frequency response of the hearing instrument configured with the user's ear;
comparing the baseline frequency response to the actual frequency response over a low frequency band;
determining whether the actual frequency response is within a threshold level of the baseline frequency response over the low frequency band;
associating an acceptable seal with a determination that the actual frequency response is within a threshold level of the baseline frequency response over the low frequency band; and associating an unacceptable seal with a determination that the actual frequency response is not within a threshold level of the baseline frequency response over the low frequency band.
obtaining a baseline frequency response of the hearing instrument configured in an acceptable seal;
obtaining a actual frequency response of the hearing instrument configured with the user's ear;
comparing the baseline frequency response to the actual frequency response over a low frequency band;
determining whether the actual frequency response is within a threshold level of the baseline frequency response over the low frequency band;
associating an acceptable seal with a determination that the actual frequency response is within a threshold level of the baseline frequency response over the low frequency band; and associating an unacceptable seal with a determination that the actual frequency response is not within a threshold level of the baseline frequency response over the low frequency band.
30. The method of claim 29, wherein the threshold level is constant over the low frequency band.
31. The method of claim 29, wherein the threshold level varies over the low frequency band.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45956503P | 2003-04-01 | 2003-04-01 | |
US60/459,565 | 2003-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2462634A1 true CA2462634A1 (en) | 2004-10-01 |
CA2462634C CA2462634C (en) | 2010-07-06 |
Family
ID=32851075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2462634A Expired - Lifetime CA2462634C (en) | 2003-04-01 | 2004-03-31 | System and method for detecting the insertion or removal of a hearing instrument from the ear canal |
Country Status (5)
Country | Link |
---|---|
US (1) | US7406179B2 (en) |
EP (1) | EP1465454B1 (en) |
AT (1) | ATE410902T1 (en) |
CA (1) | CA2462634C (en) |
DE (1) | DE602004016904D1 (en) |
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US7406179B2 (en) | 2008-07-29 |
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