Ear canal noise reduction compensation system, ear canal noise reduction compensation method thereof and computer program product

TWI935779BActive Publication Date: 2026-08-11REHEAR AUDIOLOGY CO LTD
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Patent Information

Application Number
TW114116403
Authority / Receiving Office
TW · TW
Patent Type
Patents
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-08-11
Estimated Expiration
2045-04-29

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Abstract

This invention provides an ear canal noise reduction compensation system, comprising: a speaker driven by an audio signal to transmit sound into a user's ear canal; an in-ear microphone that receives reflected sound from the user's ear canal and converts the reflected sound into an electrical signal; a wireless transmission and reception module that receives the electrical signal converted from the in-ear microphone; and an electronic device that receives the electrical signal transmitted from the wireless transmission and reception module via a wireless transmission network. The electronic device calculates the sound wave energy difference between the in-ear microphone and the eardrum based on the electrical signal and using artificial intelligence technology. Based on this sound wave energy difference, it generates compensation filter parameters associated with the user's ear canal. These compensation filter parameters are then transmitted to a feedback filter via the wireless transmission network and the wireless transmission and reception module, thereby generating compensation energy in the frequency response of the reflected wave within the ear canal. Additionally, this invention also provides an ear canal noise reduction compensation method and a computer program product.
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Claims

1. An ear canal noise reduction compensation system, comprising: A loudspeaker is driven by an audio signal to transmit sound into the user's ear canal, wherein the audio signal is a frequency below 3kHz; an in-ear microphone receives reflected sound from the user's ear canal and converts the reflected sound into an electrical signal; a wireless transmission and reception module receives the electrical signal converted from the in-ear microphone; and an electronic device receives the electrical signal transmitted from the wireless transmission and reception module via a wireless transmission network. The electronic device calculates the sound wave energy difference between the in-ear microphone and the eardrum based on the electrical signal and using artificial intelligence technology. Based on this sound wave energy difference, it generates compensating filter parameters associated with the user's ear canal. These compensating filter parameters are then transmitted to a feedback filter via the wireless transmission network and the wireless transmission and reception module, thereby generating compensating energy in the frequency response of the reflected wave within the ear canal.

2. The ear canal noise reduction compensation system as described in claim 1, wherein, This message is either transparent or streaming.

3. The ear canal noise reduction compensation system as described in claim 1, wherein, The feedback filter includes a storage module, wherein the compensated filter parameters are stored in the storage module.

4. The ear canal noise reduction compensation system as described in claim 1, wherein, This feedback filter is a feedback filter module for active noise reduction.

5. The ear canal noise reduction compensation system as described in claim 1, wherein, The compensated filter parameters are transmitted and stored through the wireless transmission network to a device or equipment with audio source processing capabilities, and the device or equipment generates the compensated energy in the frequency response of the reverse wave in the ear canal through the compensated filter parameters.

6. The ear canal noise reduction compensation system as described in claim 1, wherein, The ear canal noise reduction compensation system uses a combination of the headphone device and the application of the electronic device to perform real-time and / or synchronous processing with wireless communication technology.

7. A method for noise reduction compensation in the ear canal, comprising: Sound is transmitted to the user's ear canal via a speaker driven by an audio signal, wherein the audio signal is a frequency below 3kHz. An in-ear microphone receives reflected sound from the user's ear canal and converts the reflected sound into an electrical signal. A wireless transmission / reception module connected to the in-ear microphone receives the electrical signal converted from the in-ear microphone. An electronic device receives the electrical signal transmitted from the wireless transmission / reception module via a wireless transmission network. The electronic device calculates the sound wave energy difference between the in-ear microphone and the eardrum based on the electrical signal and using artificial intelligence technology. Based on this sound wave energy difference, it generates compensating filter parameters associated with the user's ear canal. These compensating filter parameters are then transmitted to a feedback filter via the wireless transmission network and the wireless transmission / reception module. The compensating filter parameters then generate compensating energy in the frequency response of the reflected wave within the ear canal.

8. The ear canal noise reduction compensation method as described in claim 7, wherein, This message is either transparent or streaming.

9. The ear canal noise reduction compensation method as described in claim 7, wherein, The feedback filter includes a storage module, wherein the compensated filter parameters are stored in the storage module.

10. The ear canal noise reduction compensation method as described in claim 7, wherein, This feedback filter is a feedback filter module for active noise reduction.

11. The ear canal noise reduction compensation method as described in claim 7, wherein, The compensated filter parameters are transmitted and stored through the wireless transmission network to a device or equipment with audio source processing capabilities, and the device or equipment generates the compensated energy in the frequency response of the reverse wave in the ear canal through the compensated filter parameters.

12. The ear canal noise reduction compensation method as described in claim 7, wherein, The ear canal noise reduction compensation system uses the application of the electronic device in conjunction with wireless communication technology for real-time and / or synchronous processing.

13. A computer program product that performs the ear canal noise reduction compensation method as described in any one of claims 7 to 12.

Citation Information

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