At least a system or a method is provided for remote delivery or collection of a device such as an audio collection device. For example, a device comprising an aperture collection and retrieval pin is provided. An apparatus is provided having an aperture receiver, an aperture drive gear and a drive motor. The drive motor is configured to drive the aperture drive gear to open or close the aperture receiver of the apparatus for retrieving or releasing the device comprising the aperture collection pin.

A method of autonomously preventing fouling of a submerged vessel, the method comprising: activating, by one or more computing devices, a at least one transducer and at least one sensor at a first area; generating, by one or more computing devices, a predetermined sound wave from the at least one transducer; monitoring, by one or more computing devices, data collected by the at least one sensor; altering, by one or more computing devices, the at least one transducer, wherein the alteration is based on the data collected by the at least one sensor; and autonomously adjusting, by one or more computing devices, at least one of the at least one transducer, wherein at least one of the transducers is activated.

A method of autonomously preventing fouling of a submerged vessel, the method comprising: activating, by one or more computing devices, a at least one transducer and at least one sensor at a first area; generating, by one or more computing devices, a predetermined sound wave from the at least one transducer; monitoring, by one or more computing devices, data collected by the at least one sensor; altering, by one or more computing devices, the at least one transducer, wherein the alteration is based on the data collected by the at least one sensor; and autonomously adjusting, by one or more computing devices, at least one of the at least one transducer, wherein at least one of the transducers is activated.

A signal processor for a sound reproduction system which is arranged to perform processing of a sound recording so as to provide input signals for an array of distributed loudspeakers, such that the sound field generated by the loudspeakers results in cross-talk cancellation in respect of multiple listener positions at substantially all frequencies reproduced by the loudspeakers, and wherein the sound field so generated is an approximation of a sound field produced by an Optimal Source Distribution, OSD.

A signal processor for a sound reproduction system which is arranged to perform processing of a sound recording so as to provide input signals for an array of distributed loudspeakers, such that the sound field generated by the loudspeakers results in cross-talk cancellation in respect of multiple listener positions at substantially all frequencies reproduced by the loudspeakers, and wherein the sound field so generated is an approximation of a sound field produced by an Optimal Source Distribution, OSD.

Methods and systems for estimating diffraction effects during sound propagation in a scene, which include generating, for each distance value from distance values, a subpath between a first point of the scene and a second point of the scene passing through a third point of the scene which is at a distance from a path between the first point and the second point equal to the distance value. Furthermore, for each generated subpath, a transmission value related to a degree of occlusion of the subpath by objects in the scene is determined. Also, a diffraction amplitude response is determined using a first transmission value determined for a first subpath generated for a first distance value from the distance values and a second transmission value determined for a second subpath generated for a second distance value from the distance values.

Methods and systems for estimating diffraction effects during sound propagation in a scene, which include generating, for each distance value from distance values, a subpath between a first point of the scene and a second point of the scene passing through a third point of the scene which is at a distance from a path between the first point and the second point equal to the distance value. Furthermore, for each generated subpath, a transmission value related to a degree of occlusion of the subpath by objects in the scene is determined. Also, a diffraction amplitude response is determined using a first transmission value determined for a first subpath generated for a first distance value from the distance values and a second transmission value determined for a second subpath generated for a second distance value from the distance values.

Provided is an electronic apparatus (100). The electronic apparatus (100) includes a housing assembly (10), a flexible screen module (20), and an electroacoustic device (40). The housing assembly (10) includes a first housing (12) and a second housing (14) movably disposed on the first housing (12). The flexible screen module (20) is disposed on the housing assembly. The electroacoustic device (40) is disposed in the housing assembly (10) and has a sound cavity (41a) defined therein. During a movement of the second housing (14) relative to the first housing (12), at least part of the flexible screen module (20) moves into or out of the housing assembly (10) and a volume of the sound cavity (41a) is variable.

One embodiment provides a microphone device with advanced functionalities. The microphone device comprises one or more microphone units, one or more sensor units, and an automatic control system. The one or more sensor units are configured for capturing contextual information indicative of one or more real-time conditions of an environment of the microphone device. The automatic control system is configured for detecting one or more real-time changes to the environment of the microphone device based on the contextual information, invoking display of a graphical user interface (GUI) comprising information indicative of the one or more real-time changes, and adjusting one or more settings for the microphone device in response to the one or more real-time changes.

At least one of the present exemplary embodiments and methods introduces a unique Audio Collection System comprised of self-contained Audio Collection Devices (ACDs), Audio Distribution Devices (ADDs), and Audio Control Analysis (ACA) components/functions. The system may be used to gather audio signals from environments in ways that are not presently available with the intention being to gather audio, analyze, and learn what may be understood about a given environment or situation. One exemplary feature of this system is that it introduces a set of standardized modular components that can be scaled from a small configuration to larger systems. For example, systems that may manage large numbers of audio input streams, broadcast audio streams, modify audio streams, combine and track sounds, and present sound as immersive experience. Additional features will provide other various controls and statistical capabilities, as described herewith.