Acoustic dampening compensation system
At least one exemplary embodiment is directed to a communication device that includes a microphone configured to detect an acoustic signal from an acoustic environment, and a processor, configured to detect an acoustical dampening between the acoustic environment and the microphone, based on a change in a characteristic of the acoustic signal and, responsive to the acoustical dampening, apply a compensation filter to the acoustic signal to form a compensated acoustic signal that is reproduced. Other embodiments are disclosed.
1. A device, comprising:
a processor that performs operations, the operations comprising:
detecting, based on a change in a characteristic of an acoustic signal occurring in an acoustic environment, an acoustical dampening of the acoustic signal between the acoustic environment and a microphone, wherein the acoustical dampening of the acoustic signal results in a damped acoustic signal, wherein the acoustical dampening is facilitated by an acoustic dampening element in a path between the acoustic environment and the microphone of the device; and
applying a compensation filter to the damped acoustic signal to form a compensated acoustic signal that is reproduced.
2. The device of claim 1 , wherein the operations further comprise approximating, by utilizing the compensation filter, an inverse of the acoustical dampening between the acoustic environment and the microphone.
3. The device of claim 1 , wherein the operations further comprise detecting a presence of headwear communicatively coupled to the microphone.
4. The device of claim 3 , wherein the operations further comprise detecting the presence of the headwear based on an analysis of the change in the characteristic of the acoustic signal.
5. The device of claim 1 , wherein the operations further comprise determining an acoustic transmission index of headwear communicatively coupled to the microphone.
6. The device of claim 1 , wherein the operations further comprise obtaining an impulse response from headwear communicatively coupled to the microphone, wherein the impulse response is generated in response to a test signal emitted from a receiver of the device.
7. The device of claim 6 , wherein the operations further comprise comparing the impulse response with measured impulse responses stored in a database to match the impulse response with at least one of the impulse responses stored in the database.
8. The device of claim 1 , wherein the operations further comprise applying the compensation filter based on a transfer function between the damped acoustic signal and a reference signal.
9. The device of claim 8 , wherein the operations further comprise determining that headwear is worn if the transfer function indicates that high-frequency content is attenuated in a voice spectral profile.
10. The device of claim 1 , wherein the operations further comprise not applying the compensation filter if headwear communicatively coupled to the microphone is determined to not be worn.
11. The device of claim 1 , wherein the operations further comprise predicting if headwear communicatively coupled to the microphone is worn.
12. The device of claim 1 , wherein the operations further comprise detecting when headwear coupled to the device is adjusted.
13. A method, comprising:
detecting, by utilizing a processor and based on a change in a characteristic of an acoustic signal occurring in an acoustic environment, an acoustical dampening of the acoustic signal between the acoustic environment and a microphone of a device, wherein the acoustical dampening of the acoustic signal results in a damped acoustic signal, wherein the acoustical dampening is facilitated by an acoustic dampening element in a path between the acoustic environment and the microphone of the device; and
applying, by utilizing the processor, a compensation filter to the damped acoustic signal to form a compensated acoustic signal that is reproduced.
14. The method of claim 13 , further comprising detecting an onset of the acoustical dampening.
15. The method of claim 14 , further comprising applying the compensation filter in response to the onset of the acoustical dampening.
16. The method of claim 13 , further comprising updating an acoustic transmission index of headwear communicatively coupled to the microphone continuously or intermittently.
17. The method of claim 16 , further comprising terminating the updating if the acoustic transmission index is calculated once.
18. The method of claim 13 , further comprising emitting a test signal from a receiver associated with the device.
19. The method of claim 18 , further comprising receiving an impulse response from headwear communicatively coupled to the device in response to the test signal.
20. A method, comprising:
detecting, by utilizing a processor and based on a change in a characteristic of an acoustic signal occurring in an acoustic environment, an acoustical dampening of the acoustic signal between the acoustic environment and a microphone of a device, wherein the acoustical dampening of the acoustic signal results in a damped acoustic signal, wherein the acoustical dampening is facilitated by an acoustic dampening element in a path between the acoustic environment and the microphone of the device; and
applying, by utilizing the processor, a compensation filter to the damped acoustic signal to form a compensated acoustic signal that is reproduced, wherein the compensation filter approximates an inverse of the acoustical dampening.