An electronic device is provided. The electronic device includes a housing including a microphone hole, a support member connected to the housing, wherein the support member includes an antenna structure facing at least a part of the housing and a microphone chamber configured to receive external sound of the electronic device from the microphone hole, and a microphone module connected to the support member and configured to receive external sound of the electronic device through the microphone hole and the microphone chamber.

A contact sensor for monitoring breathing of a subject, comprising: a microphone housing defining a first acoustic cavity, a MEMS microphone disposed within the first acoustic cavity; a second acoustic cavity separated from the first acoustic cavity by a cavity wall having a front surface and a rear surface, the second acoustic cavity at least partially defined by the front surface of the cavity wall; an acoustic conduit formed between the first acoustic cavity and the second acoustic cavity through the cavity wall; and a pressure relief vent having a first end terminating at the second acoustic cavity and a second end terminating outside of the second acoustic cavity.

An electronic device according to various embodiments may include: a housing, an acoustic hole formed in a first direction of the housing, an instrument installed in the housing in a second direction perpendicular to the first direction, a mic, and a mic holder including a body installed in the housing, a seat formed in the body part to receive the mic, a first opening formed in one surface of the body and connected to the seat, a second opening formed in another surface of the body, and a third opening formed in the body and connected to the acoustic hole. As the second opening of the mic holder is closed by an instrument of the electronic device closely attached to the other surface of the body part, an acoustic channel in which a sound introduced into the third opening is delivered to a mic hole of the mic may be formed.

The present disclosure relates to an acoustic output device including an earphone core, a controller, a Bluetooth module, and a button module. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and at least one high-frequency acoustic driver configured to output sounds from at least two second guiding holes. The controller may be configured to direct the at least one low-frequency acoustic driver to output the sounds in a first frequency range and direct the at least one high-frequency acoustic driver to output the sounds in a second frequency range. The Bluetooth module may be configured to connect the acoustic output device with at least one terminal device. The button module may be configured to implement an interaction between a user of the acoustic output device and the acoustic output device.

A sound collection apparatus includes a substantially spherical base on which at least a predetermined number of recess portions are provided in a surface thereof with a predetermined interval therebetween; and a predetermined number of microphones. The predetermined number is an integer of 2 or greater. The microphones are installed on an inner bottom surface side of the recess portions one by one. Intervals between sound collecting portions of adjacent microphones are substantially equal to each other.

The sound detection device comprises a substrate, an array of sound detectors in or on a surface of the substrate, a processing circuit coupled to the sound detectors, the processing circuit being configured to sum signals from the sound detectors with relative time delays or phase shifts that compensate for propagation delay of sound along the array in a sound propagation mode that is bound to said surface. In an embodiment the sound in said sound propagation mode is bound to the surface using an acoustic waveguide, wherein the surface of the substrate forms a part of the acoustic waveguide, the sound detection device comprising a wall facing the array of sound detectors, with a space between the surface of the substrate and the wall, the sound detection device comprising an opening that provides incoming sound from outside the device access to said space, for excitation of the wave in the bound propagation mode in the acoustic waveguide by sound from outside the device.

A unidirectional microphone includes: a case having a shape of a bottomed cylinder and including a sound hole in a bottom thereof; a ring-shaped diaphragm fixed to the bottom in the case; a vibrating membrane stretched on the diaphragm; a backplate which has a shape of a bottomed cylinder and is housed in the case in a nested manner such that an air gap to serve as a sound propagation path is formed between the backplate and an inner surface of the case, the backplate including an aperture serving as a sound propagation path in a side face thereof; a spacer positioned between the diaphragm and the backplate to fix the diaphragm and the backplate, and including a notch serving as a sound propagation path in a portion thereof; and a base plate covering a top opening of the case and including a hole serving as a sound propagation path.

Embodiments of the present disclosure provide a microphone and an intelligent voice device. The microphone includes a housing, a diaphragm, a primary sound pickup component, and a secondary sound pickup component. The diaphragm is configured to output an electric signal according to a sound pressure acting on the first sound pickup surface and the second sound pickup surface. The primary sound pickup component is formed on the housing, and configured to transmit a sound wave from outside of the housing to the first sound pickup surface through a primary sound pickup channel at a first sound pressure. The secondary sound pickup component is formed on the housing, and configured to transmit the sound wave to the second sound pickup surface through a secondary sound pickup channel at a second sound pressure, the secondary sound pickup channel being different from the first sound pressure.

A method for controlling a sound box, includes: in response to the sound box being in a standby state, emitting an ultrasonic signal, and receiving a reflected ultrasonic signal reflected by an external object; acquiring a moving trajectory of the external object according to the reflected ultrasonic signal; and determining a target operation instruction to be executed according to the moving trajectory of the external object.

Embodiments include a wearable electronic device including a housing having an internal wall separating an internal chamber from an external chamber, an outer shell defining a port that connects the external chamber to an external environment, a membrane positioned at an opening in the internal wall and configured to equalize a pressure within the internal chamber with a pressure of the external environment, a first pressure-sensing device positioned in the internal chamber and configured to produce a first output, a second pressure-sensing device positioned in the external chamber and configured to produce a second output, and a processing unit configured to estimate the pressure of the external environment using the second output in accordance with a determination an accuracy condition satisfies a criteria and estimate the pressure of the external environment using the first output in accordance with a determination the accuracy condition does not satisfy the criteria.