CA2653922A1 - Methods and apparatus for processing audio signals - Google Patents
Methods and apparatus for processing audio signals Download PDFInfo
- Publication number
- CA2653922A1 CA2653922A1 CA002653922A CA2653922A CA2653922A1 CA 2653922 A1 CA2653922 A1 CA 2653922A1 CA 002653922 A CA002653922 A CA 002653922A CA 2653922 A CA2653922 A CA 2653922A CA 2653922 A1 CA2653922 A1 CA 2653922A1
- Authority
- CA
- Canada
- Prior art keywords
- audio signal
- receiving
- signal
- user
- microphone
- 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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
- H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0093—Features of implants not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0093—Features of implants not otherwise provided for
- A61C8/0098—Immediate loaded implants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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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
- H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
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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
- H04R25/55—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
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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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/602—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of batteries
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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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
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/31—Aspects of the use of accumulators in hearing aids, e.g. rechargeable batteries or fuel cells
-
- 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
- H04R2225/67—Implantable hearing aids or parts thereof not covered by H04R25/606
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- 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
- H04R2460/01—Hearing devices using active noise cancellation
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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
- 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
- H04R2460/13—Hearing devices using bone conduction transducers
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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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
Abstract
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a removable oral appliance to form a hearing aid assembly. Such an oral appliance may be a custom-made device which can enhance and/or optimize received audio signals for vibrational conduction to the user. Received audio signals may be processed to cancel acoustic echo such that undesired sounds received by one or more intra-buccal and/or extra-buccal microphones are eliminated or mitigated. Additionally, a multiband actuation system may be used where two or more transducers each deliver sounds within certain frequencies. Also, the assembly may also utilize the sensation of directionality via the conducted vibrations to emulate directional perception of audio signals received by the user. Another feature may include the ability to vibrationally conduct ancillary audio signals to the user along with primary audio signals.
Claims (48)
1. An apparatus for transmitting vibrations to facilitate hearing in a patient, comprising:
a first transducer disposed within or upon a first housing and in vibratory communication with a surface of at least a first tooth;
a first microphone disposed within or upon the first housing and adapted to receive an audio signal; and a first processor disposed within or upon the first housing and in electrical communication with the first transducer and first microphone.
a first transducer disposed within or upon a first housing and in vibratory communication with a surface of at least a first tooth;
a first microphone disposed within or upon the first housing and adapted to receive an audio signal; and a first processor disposed within or upon the first housing and in electrical communication with the first transducer and first microphone.
2. The apparatus of claim 1 wherein the first housing has a shape which is conformable to at least a portion of at least the first tooth.
3. The apparatus of claim 1 further comprising a second transducer in vibratory communication with a surface of at least a second tooth.
4. The apparatus of claim 3 wherein the second transducer is disposed within or upon a second housing disposed upon the second tooth, wherein a location of the second tooth is distanced from a location of the first tooth.
5. The apparatus of claim 3 wherein the first transducer is configured to vibrate over a first frequency range and the second transducer is configured to vibrate over a second frequency range which is different from the first frequency range.
6. The apparatus of claim 3 wherein the first and/or second transducers are configured to vibrate at a shifted phase and/or amplitude relative to one another.
7. The apparatus of claim 1 further comprising a second microphone in electrical communication with at least the first processor.
8. The apparatus of claim 7 wherein the first microphone is positioned along a buccal surface of at least the first tooth and the second microphone is positioned along a lingual surface of at least a second tooth.
9. The apparatus of claim 1 further comprising at least a second processor in electrical communication with the processor.
10. The apparatus of claim 1 further comprising a wireless receiver in communication with at least the first processor.
11. A method of mitigating or cancelling an undesired audio signal from a desired audio signal, comprising:
receiving a first signal via a first microphone;
receiving at least a second audio signal via at least a second microphone;
shifting a phase and/or amplitude and/or delay of the second audio signal such that a summation of the first and second audio signal mitigates or cancels the second audio signal resulting in a final signal; and vibrating the final signal through one or more transducers through a bone of a user to facilitate hearing via conduction.
receiving a first signal via a first microphone;
receiving at least a second audio signal via at least a second microphone;
shifting a phase and/or amplitude and/or delay of the second audio signal such that a summation of the first and second audio signal mitigates or cancels the second audio signal resulting in a final signal; and vibrating the final signal through one or more transducers through a bone of a user to facilitate hearing via conduction.
12. The method of claim 11 further comprising positioning the first microphone intra-buccal and/or extra-buccal to the user prior to receiving a first audio signal.
13. The method of claim 11 further comprising placing the first microphone along a buccal surface of a first tooth prior to receiving a first audio signal.
14. The method of claim 11 further comprising placing the second microphone along a lingual surface of a second tooth prior to receiving a second audio signal.
15. The method of claim 11 wherein receiving a first audio signal comprises receiving a desired audio signal.
16. The method of claim 11 wherein receiving at least a second audio signal comprises receiving an undesired audio signal.
17. The method of claim 16 further comprising receiving reverberations from the first audio signal via at least the second microphone.
18. The method of claim 11 wherein shifting comprises shifting the second audio signal such that the second audio signal is mitigated or canceled compared to the first audio signal.
19. The method of claim 11 wherein shifting comprises shifting the second audio signal 180° out of phase relative to the first audio signal.
20. The method of claim 11 wherein shifting further comprises shifting a phase and/or amplitude and/or delay of the first audio signal.
21. The method of claim 11 wherein vibrating the final signal comprises vibrating the one or more transducers through at least one tooth of the user.
22. A method of transmitting an audio signal via two or more transducers through bone, comprising:
receiving an audio signal via at least a first microphone;
filtering the audio signal into at least a first frequency range and a second frequency range;
vibrating a first transducer to transmit the first frequency range through the bone of a user; and vibrating a second transducer to transmit the second frequency range through the bone of the user.
receiving an audio signal via at least a first microphone;
filtering the audio signal into at least a first frequency range and a second frequency range;
vibrating a first transducer to transmit the first frequency range through the bone of a user; and vibrating a second transducer to transmit the second frequency range through the bone of the user.
23. The method of claim 22 wherein receiving comprises receiving the audio signal via the first microphone positioned intra-buccal to the user.
24. The method of claim 22 wherein filtering comprises filtering the first and second frequency ranges such that each range overlaps with respect to one another.
25. The method of claim 22 wherein filtering comprises filtering the first and second frequency ranges such that each range is separate from one another.
26. The method of claim 22 wherein filtering comprises filtering the audio signal into a plurality of additional frequency ranges.
27. The method of claim 22 wherein filtering comprises filtering the first frequency range to have a lower relative frequency range compared to the second frequency range having a higher relative frequency.
28. The method of claim 22 wherein filtering comprises filtering the audio signal such that the first frequency range is from 200 Hz to 2000 Hz.
29. The method of claim 28 wherein filtering comprising filtering the audio signal such that the second frequency range is from 2000 Hz to 10,000 Hz.
30. The method of claim 22 wherein filtering comprises altering the first and/or second frequency ranges.
31. The method of claim 22 further comprising shutting off the first and/or second transducer.
32. The method of claim 22 further comprising modifying a signal level of the first and/or second transducer.
33. A method of emulating directionality of received auditory signals through conducted vibrations, comprising:
receiving an auditory signal via at least two microphones worn by a user;
estimating a direction of arrival of the auditory signal relative to the at least two microphones;
applying a phase and/or amplitude and/or delay shift to the auditory signal based upon the estimated direction of arrival; and vibrating at least a first and a second transducer to transmit the auditory signal through the bone of the user, wherein at least one of the first and second transducers vibrates a signal having the phase and/or amplitude and/or delay shift.
receiving an auditory signal via at least two microphones worn by a user;
estimating a direction of arrival of the auditory signal relative to the at least two microphones;
applying a phase and/or amplitude and/or delay shift to the auditory signal based upon the estimated direction of arrival; and vibrating at least a first and a second transducer to transmit the auditory signal through the bone of the user, wherein at least one of the first and second transducers vibrates a signal having the phase and/or amplitude and/or delay shift.
34. The method of claim 33 wherein the at least two microphones are intra-buccal to the user.
35. The method of claim 33 further comprising positioning the at least two microphones relative to the user such that the microphones are positioned on either side of the user prior to receiving an audio signal.
36. The method of claim 35 further comprising compensating for an orientation of the at least two microphones relative to the user when applying a phase and/or amplitude and/or delay shift.
37. The method of claim 33 wherein applying comprises applying the phase and/or amplitude and/or delay shift to a first portion of the auditory signal.
38. The method of claim 33 wherein vibrating comprises vibrating at least a first and a second tooth via the first and the second transducer, respectively.
39. The method of claim 38 wherein vibrating comprises vibrating the first tooth and the second tooth on either side of the user.
40. A method of transmitting two or more auditory signals through conducted vibrations, comprising:
receiving a first auditory signal via at least one microphone;
receiving a second auditory signal via the at least one microphone;
multiplexing the first and second auditory signals into a combined signal; and transmitting the combined signal through the bone of a user via at least one transducer.
receiving a first auditory signal via at least one microphone;
receiving a second auditory signal via the at least one microphone;
multiplexing the first and second auditory signals into a combined signal; and transmitting the combined signal through the bone of a user via at least one transducer.
41. The method of claim 40 wherein receiving a first auditory signal comprises receiving a primary auditory signal via an intra-buccal microphone.
42. The method of claim 41 wherein receiving a second auditory signal comprises receiving one or more ancillary auditory signals.
43. The method of claim 40 wherein receiving a second auditory signal comprises receiving the second auditory signal wirelessly via a receiver.
44. The method of claim 40 wherein multiplexing further comprises adjusting a parameter of the first and/or second auditory signals.
45. The method of claim 40 wherein transmitting comprises transmitting the combined signal such that the first and second auditory signals are conducted in parallel relative to one another to the user.
46. The method of claim 40 wherein transmitting comprises transmitting the combined signal such that the first and second auditory signals are conducted in series relative to one another to the user.
47. The method of claim 40 wherein transmitting comprises transmitting the combined signal such that the first and second auditory signals are conducted in both parallel and series relative to one another to the user.
48. The method of claim 40wherein transmitting comprises vibrating the at least one transducer along at least one tooth of the user.
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
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US80924406P | 2006-05-30 | 2006-05-30 | |
US60/809,244 | 2006-05-30 | ||
US82022306P | 2006-07-24 | 2006-07-24 | |
US60/820,223 | 2006-07-24 | ||
US11/672,250 | 2007-02-07 | ||
US11/672,264 US7876906B2 (en) | 2006-05-30 | 2007-02-07 | Methods and apparatus for processing audio signals |
US11/672,271 | 2007-02-07 | ||
US11/672,239 | 2007-02-07 | ||
US11/672,264 | 2007-02-07 | ||
US11/672,271 US7801319B2 (en) | 2006-05-30 | 2007-02-07 | Methods and apparatus for processing audio signals |
US11/672,250 US7844070B2 (en) | 2006-05-30 | 2007-02-07 | Methods and apparatus for processing audio signals |
US11/672,239 US7796769B2 (en) | 2006-05-30 | 2007-02-07 | Methods and apparatus for processing audio signals |
PCT/US2007/069886 WO2007140368A2 (en) | 2006-05-30 | 2007-05-29 | Methods and apparatus for processing audio signals |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2653922A1 true CA2653922A1 (en) | 2007-12-06 |
CA2653922C CA2653922C (en) | 2011-11-01 |
Family
ID=38779406
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2653922A Expired - Fee Related CA2653922C (en) | 2006-05-30 | 2007-05-29 | Methods and apparatus for processing audio signals |
CA2653945A Expired - Fee Related CA2653945C (en) | 2006-05-30 | 2007-05-29 | Methods and apparatus for transmitting vibrations |
CA2654134A Expired - Fee Related CA2654134C (en) | 2006-05-30 | 2007-05-29 | Bone conduction hearing aid devices and methods |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2653945A Expired - Fee Related CA2653945C (en) | 2006-05-30 | 2007-05-29 | Methods and apparatus for transmitting vibrations |
CA2654134A Expired - Fee Related CA2654134C (en) | 2006-05-30 | 2007-05-29 | Bone conduction hearing aid devices and methods |
Country Status (11)
Country | Link |
---|---|
US (33) | US7796769B2 (en) |
EP (4) | EP2039219B1 (en) |
JP (5) | JP5230615B2 (en) |
CN (1) | CN103124393B (en) |
AT (1) | ATE524024T1 (en) |
AU (3) | AU2007266517B9 (en) |
BR (1) | BRPI0711232A2 (en) |
CA (3) | CA2653922C (en) |
DK (1) | DK2030477T3 (en) |
PL (1) | PL2030477T3 (en) |
WO (2) | WO2007143453A2 (en) |
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