Hearing device with own-voice detection and related method

1. A hearing device comprising:

a first microphone and a second microphone for provision of a first microphone input signal and a second microphone input signal, respectively;

a voice detector module configured to process the first microphone input signal and the second microphone input signal, the voice detector module configured to detect own-voice of a user of the hearing device;

a processor configured to process the first microphone input signal and the second microphone input signal for provision of an electrical output signal based on the first microphone input signal and the second microphone input signal; and

a receiver configured to convert the electrical output signal to an audio output signal;

wherein the voice detector module is configured to notify a detection of the own-voice to the processor if at least two criteria are satisfied, wherein the at least two criteria comprise a first voice criterion and a second voice criterion;

wherein the first microphone is a front microphone of a behind-the-ear part, and the second microphone is a rear microphone of the behind-the ear part.

2. The hearing device according to claim 1 , wherein the voice detector module comprises a power analyzer for provision of a power parameter based on one or more input signals including the first microphone input signal, and wherein the first voice criterion involves the power parameter.

3. The hearing device according to claim 1 , wherein the voice detector module comprises an adaptive filter for filtering the second microphone input signal, and wherein the second voice criterion involves one or more filter coefficients of the adaptive filter.

4. The hearing device according to claim 2 , wherein the first voice criterion also involves a power of an error signal, the error signal being based on (1) the first microphone input signal and (2) the second microphone input signal or a filtered signal obtained by filtering the second microphone input signal.

5. The hearing device according to claim 4 , wherein the first voice criterion is satisfied if the power of the error signal is less than the power parameter.

6. The hearing device according to claim 4 , wherein the first voice criterion is satisfied if P_1−P_E>TH_P, wherein P_1 represents the power parameter, P_E represents the power of the error signal, and TH_P represents a threshold.

7. A hearing device comprising:

a first microphone and a second microphone for provision of a first microphone input signal and a second microphone input signal, respectively;

a voice detector module configured to process the first microphone input signal and the second microphone input signal, the voice detector module configured to detect own-voice of a user of the hearing device;

a processor configured to process the first microphone input signal and the second microphone input signal for provision of an electrical output signal based on the first microphone input signal and the second microphone input signal; and

a receiver configured to convert the electrical output signal to an audio output signal;

wherein the voice detector module is configured to notify a detection of the own-voice to the processor if at least two criteria are satisfied;

wherein the voice detector module comprises a spectrum analyzer for provision of a first spectrum parameter based on the first microphone input signal, and a second spectrum parameter based on the second microphone input signal, and wherein one of the at least two criteria involves the first spectrum parameter and the second spectrum parameter.

8. The hearing device according to claim 7 , wherein the hearing device comprises a behind-the-ear part, wherein the first microphone is a front microphone of the behind-the-ear part.

9. The hearing device according to claim 7 , wherein the hearing device comprises an ear part configured for placement at least partly in an ear canal of a user, wherein the second microphone is in the ear part.

10. The hearing device according to claim 7 , wherein the first microphone is a front microphone of a behind-the-ear (BTE) unit, and the second microphone is a rear microphone of the BTE unit; and

wherein the one of the at least two criteria is satisfied if the first spectrum parameter is less than the second spectrum parameter.

11. The hearing device according to claim 7 , wherein the first microphone is an in-the-canal microphone, and the second microphone is an outer-ear microphone; and

wherein the one of the at least two criteria is satisfied if the first spectrum parameter is greater than the second spectrum parameter.

12. The hearing device according to claim 7 , wherein the hearing device comprises a wireless transceiver connected to the voice detector module for receiving one or more contralateral own-voice parameters from a contralateral hearing device.

13. The hearing device according to claim 12 ,

wherein the one or more contralateral own-voice parameters comprise a first contralateral own-voice parameter having a first logical value.

14. The hearing device according to claim 13 , wherein the one or more contralateral own-voice parameters comprise a second contralateral own-voice parameter with a second logical value.

15. The hearing device according to claim 13 , wherein the logical value is a Boolean data having one of two possible values.

16. A hearing device comprising:

a first microphone and a second microphone for provision of a first microphone input signal and a second microphone input signal, respectively;

a voice detector module configured to process the first microphone input signal and the second microphone input signal, the voice detector module configured to detect own-voice of a user of the hearing device;

a processor configured to process the first microphone input signal and the second microphone input signal for provision of an electrical output signal based on the first microphone input signal and the second microphone input signal; and

a receiver configured to convert the electrical output signal to an audio output signal;

wherein the voice detector module is configured to notify a detection of the own-voice to the processor if at least two criteria are satisfied, wherein the at least two criteria comprise a first voice criterion and a second voice criterion;

wherein the first microphone is an in-the-canal microphone, and the second microphone is an outer-ear microphone.

17. The hearing device according to claim 16 , wherein the voice detector module comprises a power analyzer for provision of a power parameter based on one or more input signals including the first microphone input signal, and wherein the first voice criterion involves the power parameter.

18. The hearing device according to claim 17 , wherein the first voice criterion also involves a power of an error signal, the error signal being based on (1) the first microphone input signal and (2) the second microphone input signal or a filtered signal obtained by filtering the second microphone input signal.

19. The hearing device according to claim 18 , wherein the first voice criterion is satisfied if the power of the error signal is less than the power parameter.

20. The hearing device according to claim 18 , wherein the first voice criterion is satisfied if P_1−P_E>TH_P, wherein P_1 represents the power parameter, P_E represents the power of the error signal, and TH_P represents a threshold.

21. The hearing device according to claim 16 , wherein the voice detector module comprises an adaptive filter for filtering the second microphone input signal, and wherein the second voice criterion involves one or more filter coefficients of the adaptive filter.