Sound-output device

1. A sound-output device, comprising:

a vibration speaker configured to generate a bone-conducted sound wave;

an air-conducted speaker configured to generate an air-conducted sound wave; and

a signal processing module configured to generate a control signal,

wherein the vibration speaker includes a vibration assembly electrically connected to the signal processing module to receive the control signal, and generate the bone-conducted sound wave based on the control signal, and

the air-conducted speaker includes a housing coupled to the vibration assembly to generate the air-conducted sound wave under an actuation of the vibration assembly,

wherein the vibration assembly includes:

a magnetic circuit system configured to generate a first magnetic field; and

a vibration plate connected to the housing via an elastic member;

the air-conducted speaker further includes:

a membrane connected to the housing; and

a coil connected to the membrane and electrically connected to the signal processing module to receive the control signal and generate a second magnetic field based on the control signal, the first magnetic field interacting with the second magnetic field to cause the vibration plate to generate the bone-conducted sound wave and cause the membrane to generate the air-conducted sound wave;

wherein the sound-output device is configured to output a sound wave within a target frequency range, the bone-conducted sound wave includes at least a portion of a high frequency portion of the target frequency range, and the air-conducted sound wave includes at least a portion of a low frequency portion of the target frequency range.

2. The sound-output device according to claim 1 , wherein

the vibration speaker is further configured to generate a low frequency vibration wave that is perceivable by a user's skin.

3. The sound-output device according to claim 1 , wherein

the bone-conducted sound wave includes at least a portion of a medium frequency portion of the target frequency range; and

the air-conducted sound wave includes at least a portion of the medium frequency portion of the target frequency range.

4. The sound-output device according to claim 3 , wherein

the bone-conducted sound wave includes at least a portion of the low frequency portion of the target frequency range; and

the bone-conducted sound wave is superimposed with the air-conducted sound wave such that an output of the sound-output device at a medium-low frequency is greater than an output of the sound-output device at a medium-high frequency.

5. The sound-output device according to claim 1 , wherein

the air-conducted sound wave includes at least a portion of a medium frequency portion of the target frequency range;

the bone-conducted sound wave includes at least a portion of the low frequency portion and at least a portion of the medium frequency portion of the target frequency range; and

the bone-conducted sound wave covers a wider frequency range than the air-conducted sound wave.

6. The sound-output device according to claim 1 , wherein

the air-conducted sound wave includes at least a portion of a medium frequency portion and at least a portion of the high frequency portion in the target frequency range;

the bone-conducted sound wave includes at least a portion of the medium frequency portion of the target frequency range; and

the air-conducted sound wave covers a wider frequency range than the bone-conducted sound wave.

7. The sound-output device according to claim 1 , wherein

the air-conducted sound wave and the bone-conducted sound wave include a common silencing frequency sound wave.

8. The sound-output device according to claim 1 , wherein the vibration speaker is coupled to the air-conducted speaker through a mechanical structure; and the air-conducted speaker generates the air-conducted sound wave based on the bone-conducted sound wave.

9. The sound-output device according to claim 1 , wherein

the air-conducted speaker includes the housing coupled to the vibration assembly to generate the air-conducted sound wave based on the bone-conducted sound wave.

10. The sound-output device according to claim 9 , wherein the housing is coupled to the vibration assembly via a rigid connection.

11. The sound-output device according to claim 9 , wherein the housing is coupled to the vibration assembly via an elastic member.

12. The sound-output device according to claim 9 , wherein the sound-output device is a headphone.

13. The sound-output device according to claim 9 , wherein the housing includes a sound hole through which the air-conducted sound wave is output from inside the housing to outside the housing.

14. The sound-output device according to claim 13 , wherein the air-conducted speaker includes a tuning mesh that covers the sound hole to adjust a frequency of the air-conducted sound wave.

15. The sound-output device according to claim 13 , wherein the sound hole is oriented to face away from a temple of a user when the sound-output device is worn by the user on the temple.

16. The sound-output device according to claim 13 , wherein the sound hole is oriented to face an external auditory canal of a user when the sound-output device is worn by the user on a temple of the user.

17. The sound-output device according to claim 13 , wherein the sound hole is oriented to face a rea side of an ear of a user when the sound-output device is worn by the user on a temple of the user.

18. The sound-output device according to claim 13 , wherein the sound hole is oriented to face a top portion of the head of a user when the sound-output device is worn by the user on a temple of the user.