An apparatus comprising a first part, the first part having: at least one camera configured to capture images, and at least two microphones configured to capture at least two audio signals; and a second part having at least one microphone configured to capture at least one audio signal, wherein one of the first part or the second part is configured to perform a move relative to the other part, wherein the apparatus is configured to: determine a parameter associated with the move; select at least one of: the at least two audio signals, or the at least one audio signal based, at least partially, on the determined parameter; and generate at least one output audio signal based on the parameter associated with the move and the selected at least one of: the at least two audio signals or, the at least one audio signal.

The present disclosure discloses an acoustic output apparatus including at least one acoustic driver, a controller, and a supporting structure. The at least one acoustic driver may be configured to output sounds through at least two sound guiding holes. The at least two sound guiding holes may include a first sound guiding hole and a second sound guiding hole. The controller may be configured to control a phase and an amplitude of the sounds generated by the at least one acoustic driver using a control signal such that the sounds output by the at least one acoustic driver through the first and second sound guiding holes have opposite phases. The supporting structure may be provided with a baffle and configured to support the at least one acoustic driver such that the first and second sound guiding holes are located on both sides of the baffle.

A speaker includes a housing having a receiving space, a speaker unit and a cavity received in the receiving space, sound-absorbing particles filled in the filling cavity, a filling hole opened in the housing and communicating with the filling cavity for filling the sound-absorbing particles into the filling cavity, a hole cover covering the filling hole and a resilient member filled in the filling hole. The resilient member can deform in the height direction of the filling hole, and the resilient member is sandwiched in a compressed state between the hole cover and the sound-absorbing particles. Compared with the related art, the sound-absorbing particles of the speaker disclosed by the present disclosure are not easily damaged.

The application relates to a vibration sounding device including: a housing body with a containment cavity and a sounding unit arranged in the containment cavity. The sounding unit includes a vibration system and a magnetic circuit system. The magnetic circuit system includes a main magnet and a secondary magnet assembly. The vibration sounding device also includes an elastic assembly, a weight assembly, and a drive coil. The second direction is perpendicular to the first direction. By virtue of the configuration, it is beneficial to simplify the forming process of the weight assembly, reduce the production cost, and also facilitate the replacement of the drive coil.

Provided is a speaker box, including a housing having a receiving space and a speaker unit received therein. The housing extends into the receiving space to form a support wall. The speaker unit is supported by and fixed to the support wall. The housing has a sound output hole. The speaker unit includes a frame, a vibration system and magnetic circuit unit fixed to the frame, and a front cover covering the frame. The front cover is supported by and fixed to the support wall. The front cover includes a main body portion located above the vibration system, a side edge portion and a fixed portion covering the frame. The fixed portion is supported by and fixed to the support wall. The front cover has a through hole running through both the main body portion and the side edge portion. The speaker box has excellent sound quality.

An electronic device having a speaker includes: a housing having a front wall member; a cover member detachably attached to the front wall member; a fastening member arranged behind the cover member and fastened to the housing; and a first elastic member provided between the cover member and the fastening member. The cover member, the fastening member, and the first elastic member are arranged inside the housing. The speaker is arranged between the front wall member and the cover member. The front wall member and the cover member are formed so that a closed space is defined by a back surface of a vibration plate, the front wall member, and the cover member. The front wall member is provided with an opening communicating from outside of the housing to the front surface of the vibration plate. The first elastic member contacts the cover member and the fastening member.

Aspects of the subject technology relate to electronic devices having microphones. An electronic device may include a microphone and a resonator for the microphone. The resonator may be formed in a device structure that is spatially separated from the microphone. The resonator may be formed in an interior wall of a housing of the electronic device, or in a support structure within an enclosure of the electronic device. A resonator and/or one or more damping features, may reduce a resonance effect, on the microphone, of a resonant cavity within the enclosure of the electronic device and adjacent the microphone.

Aspects of the subject technology relate to electronic devices having microphones. An electronic device may include a microphone and a resonator for the microphone. The resonator may be formed in a device structure that is spatially separated from the microphone. The resonator may be formed in an interior wall of a housing of the electronic device, or in a support structure within an enclosure of the electronic device. A resonator and/or one or more damping features, may reduce a resonance effect, on the microphone, of a resonant cavity within the enclosure of the electronic device and adjacent the microphone.

Devices for preventing unintended conversation from being recorded by a voice activated assistant device/application (VAD) are disclosed. The device is contoured to fit over a functional surface of a VAD that typically includes a plurality of microphones and control buttons. The device covers the microphones and uses its own microphones to monitor for an authorization input signal. In an embodiment, the devices uses speakers aligned with and opposing each VAD microphone. The device emits interfering audible signals during this mode of operation. Once the device senses an authorization input, the device decouples its speakers from the interfering audible signal and instead allows the device microphones to pass through to the VAD. During this mode, the VAD is in normal operation.

Provided is a sound-absorbing material, including an adsorbent material and a thermal conductive material. The thermal conductive material is uniformly dispersed in the sound-absorbing material. The thermal conductive material includes a carbon fiber material, and a weight ratio of the carbon fiber material in the sound-absorbing material is within a range of 0.05% to 10%. Further provided are a preparation method of the sound-absorbing material and a speaker using the sound-absorbing material. The sound-absorbing material has higher thermal conductivity and can be added to a rear cavity of the speaker to effectively conduct heat generated when the speaker is working, thereby improving the heat dissipation performance of the speaker.