Hearing aid devices
The present disclosure discloses a hearing aid device. The hearing aid device may comprise at least one sound transmitter configured to collect a sound signal and convert the sound signal into an electrical signal, a signal processing circuit configured to generate a control signal by processing the electrical signal, at least one vibration loudspeaker configured to convert the control signal into a vibration signal, and a housing structure configured to accommodate at least one of the at least one sound transmitter, the signal processing circuit, or the at least one vibration loudspeaker, wherein the control signal may include an original signal and an air-conducted sound leakage signal generated from the at least one vibration loudspeaker, and a difference between the air-conducted sound leakage signal received by the at least one sound transmitter and the original signal may not be larger than −33 dB.
1 . A hearing aid device, comprising:
at least one sound transmitter configured to collect a sound signal and convert the sound signal into an electrical signal;
a signal processing circuit configured to generate a control signal by processing the electrical signal; and
at least one vibration loudspeaker configured to convert the control signal into a vibration signal, wherein a distance between any one of the at least one sound transmitter and any one of the at least one vibration loudspeaker is not less than 7 mm;
a housing structure configured to accommodate at least one of: the at least one sound transmitter, the signal processing circuit, or the at least one vibration loudspeaker;
the at least one vibration loudspeaker includes a first housing structure connected to the housing structure, the first housing structure includes at least one hole; and
the at least one hole is arranged on a side wall of the first housing structure of the at least one vibration loudspeaker, the side wall facing away from the at least one sound transmitter.
2 . The hearing aid device of claim 1 , wherein a distance between any one of the at least one sound transmitter and any one of the at least one vibration loudspeaker is not less than 20 mm.
3 . The hearing aid device of claim 1 , wherein a distance between any one of the at least one sound transmitter and any one of the at least one vibration loudspeaker is not less than 36 mm.
4 . A hearing aid device, comprising:
at least one sound transmitter configured to collect a sound signal and convert the sound signal into an electrical signal;
a signal processing circuit configured to generate a control signal by processing the electrical signal; and
at least one vibration loudspeaker configured to convert the control signal into a vibration signal, wherein a distance between any one of the at least one sound transmitter and any one of the at least one vibration loudspeaker is not less than 7 mm;
a housing structure configured to accommodate at least one of: the at least one sound transmitter, the signal processing circuit, or the at least one vibration loudspeaker;
wherein the at least one vibration loudspeaker includes a first housing structure connected to the housing structure, the first housing structure includes at least one hole, and the at least one hole is in communication with an inside of the first housing structure;
wherein the at least one hole is arranged on a bottom side wall of the first housing structure of the at least one vibration loudspeaker, the bottom side wall facing the at least one sound transmitter and the at least one vibration loudspeaker.
5 . The hearing aid device of claim 4 , wherein the at least one hole is arranged on a side wall of the first housing structure of the at least one vibration loudspeaker, the side wall facing away from the at least one sound transmitter.
6 . The hearing aid device of claim 5 , wherein the at least one hole is arranged on a side wall of the first housing structure of the at least one vibration loudspeaker, the side wall facing the at least one sound transmitter.
7 . The hearing aid device of claim 4 , wherein a mesh structure is arranged on the at least one hole, and the mesh structure covers the at least one hole.
8 . The hearing aid device of claim 7 , wherein an acoustic impedance of the mesh structure is not larger than 260 MKS Rayls.
9 . The hearing aid device of claim 1 , wherein the at least one sound transmitter and the at least one vibration loudspeaker are arranged on a same side or different sides of an auricle of a user.
10 . The hearing aid device of claim 1 , wherein the control signal includes an original signal and an air-conducted sound leakage signal, the air-conducted sound leakage signal is generated from the at least one vibration loudspeaker, and a value of the air-conducted sound leakage signal is different from a value of the original signal.
11 . The hearing aid device of claim 10 , wherein a difference between the air-conducted sound leakage signal and the original signal is not larger than −33 dB.
12 . The hearing aid device of claim 10 , wherein in a frequency range of 100 Hz-2000 Hz, a difference between the air-conducted sound leakage signal and the original signal is not larger than −40 dB.
13 . The hearing aid device of claim 10 , wherein in a frequency range of 2000 Hz-8000 Hz, a difference between the air-conducted sound leakage signal and the original signal is not larger than −33 dB.
14 . The hearing aid device of claim 1 , further comprising a power amplifier, wherein the power amplifier is configured to amplify an amplitude of the control signal.
15 . The hearing aid device of claim 1 , wherein a vibration loudspeaker of the at least one vibration loudspeaker includes:
a vibration component, wherein the vibration component is electrically connected to the signal processing circuit and is configured to receive the control signal and generate bone-conducted sound waves based on the control signal.
16 . The hearing aid device of claim 1 , further comprising:
a mesh structure arranged on the at least one hole.