Hearing device
AssigneeShanghai United Imaging Microelectronics Technology Co., Ltd.
InventorFa Wang
Life of this patent
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Abstract
A hearing device, including: a device body; a receiver, configured to emit an audio signal, the audio signal being reflected to form a feedback signal, and the proximal end of the device body being proximate to an ear canal; an in-ear microphone, arranged at a proximal end of the device body and configured to receive the feedback signal; and a signal analyzing module, connected to the in-ear microphone and configured to analyze the feedback signal to obtain an analysis result.
Claims15
A hearing device, comprising:
- a device body;
- an over-ear microphone;
- a receiver, configured to emit an audio signal, the audio signal comprising an audio signal of a second preset frequency;
- the audio signal being reflected to form a feedback signal comprising:
- the audio signal of the second preset frequency, when being transmitted to an in-ear microphone through an ear canal, generating a second feedback signal;
- and the audio signal of the second preset frequency, when being transmitted to the over-ear microphone through the ear canal, generating a sound feedback signal;
- the over-ear microphone being configured to receive the sound feedback signal;
- the in-ear microphone, arranged at a proximal end of the device body and configured to receive the feedback signal, the proximal end of the device body being proximate to the ear canal;
- and
- a signal analyzing module, comprising a feedback control unit and connected to the in-ear microphone;
- and the signal analyzing module being configured to analyze the feedback signal to obtain an analysis result comprising:
- the feedback control unit being configured to estimate and determine a transfer function of a feedback path based on the second feedback signal received by the in-ear microphone and the sound feedback signal received by the over-ear microphone.
A hearing device, comprising:
- a device body;
- a receiver, configured to emit an audio signal, the audio signal comprising a frequency-sweep signal;
- the frequency-sweep signal comprising scanning signals in multiple directions;
- the frequency-sweep signal being emitted when the receiver is placed in an ear for the first time;
- and the audio signal being reflected to form a feedback signal comprising:
- the frequency-sweep signal being reflected by an ear canal to form a third feedback signal;
- an in-ear microphone, arranged at a proximal end of the device body and configured to receive the feedback signal, the proximal end of the device body being proximate to the ear canal;
- and
- a signal analyzing module, connected to the in-ear microphone and comprising an ear canal feature detecting unit;
- and the signal analyzing module being configured to analyze the feedback signal to obtain an analysis result comprising:
- the ear canal feature detecting unit being configured to obtain ear canal feature information based on the third feedback signal.
A hearing device, comprising:
- a device body;
- a receiver, configured to emit an audio signal, the audio signal being reflected to form a feedback signal comprising:
- the audio signal, when being transmitted to the in-ear microphone through the ear canal, generating fourth feedback signals;
- an in-ear microphone, arranged at a proximal end of the device body and configured to receive the feedback signal, the proximal end of the device body being proximate to an ear canal;
- and
- a signal analyzing module, comprising a receiver validity analyzing unit and connected to the in-ear microphone, and the signal analyzing module being configured to analyze the feedback signal to obtain an analysis result comprising:
- the receiver validity analyzing unit being configured to obtain at least a first frequency response curve and a second frequency response curve according to a fourth feedback signal corresponding to a first time and a fourth feedback signal corresponding to a second time, respectively, to analyze the first frequency response curve and the second frequency response curve, and to determine whether the receiver is valid according to the analysis result.
A hearing device, comprising:
- a device body;
- a receiver, configured to emit an audio signal, the audio signal being reflected to form a feedback signal comprising:
- the audio signal, when being transmitted to an in-ear microphone through an ear canal, generating a fourth feedback signal;
- the in-ear microphone, arranged at a proximal end of the device body and configured to receive the feedback signal, the proximal end of the device body being proximate to the ear canal;
- and
- a signal analyzing module, comprising a receiver validity analyzing unit and connected to the in-ear microphone;
- and the signal analyzing module being configured to analyze the feedback signal to obtain an analysis result comprising:
- the receiver validity analyzing unit being configured to obtain a frequency response curve according to the fourth feedback signal and compare the frequency response curve with a standard frequency response curve to determine whether the receiver is valid.
A hearing device, comprising:
- a device body;
- a receiver, configured to emit an audio signal, the audio signal being reflected to form a feedback signal;
- an in-ear microphone, arranged at a proximal end of the device body and configured to receive the feedback signal and comprising a side-opened silicon microphone, the proximal end of the device body being proximate to an ear canal;
- the side-opened silicon microphone being fixed at a side of the receiver;
- a facing direction of a sound hole of the side-opened silicon microphone and a facing direction of a sound hole of the receiver being identical;
- an acoustic tube, the in-ear microphone and the receiver being both connected to the acoustic tube;
- the in-ear microphone and the receiver being both encapsulated in an encapsulating structure;
- the encapsulating structure having an opening, and the sound hole of the side-opened silicon microphone and the sound hole of the receiver both facing the opening;
- and
- a signal analyzing module, connected to the in-ear microphone and configured to analyze the feedback signal to obtain an analysis result.
Dependencies are inferred from the claim text.