Abstract: A bone conduction device, including a transducer and a housing, wherein the housing is directly flexibly connected to the transducer at a dynamic component of the bone conduction device and directly flexibly connected to a static component of the bone conduction device. In an exemplary embodiment, the bone conduction device is a percutaneous bone conduction device.

Abstract: An active sound effect generating device includes a tone adjusting unit for setting a plurality of different sub-fundamental frequencies by multiplying a fundamental frequency by coefficients, a first tone signal generating unit, a second tone signal generating unit, a third tone signal generating unit, and a fourth tone signal generating unit for generating tone signals corresponding to the respective sub-fundamental frequencies, and a sound effect signal generating unit for generating a sound effect signal for outputting sound effects from a speaker based on the tone signals.

Abstract: A display apparatus includes a display panel configured to display an image and a vibration generating device configured to vibrate the display panel. The vibration generating device includes a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions disposed between the plurality of first portions to have flexibility.

Abstract: A microelectromechanical (MEMS) microphone with membrane trench reinforcements and method of fabrication is provided. The MEMS microphone includes a flexible plate and a rigid plate mechanically coupled to the flexible plate. The MEMS microphone includes a stoppage member affixed to the rigid plate and extending perpendicular relative to a surface of the rigid plate opposite the surface of the flexible plate. The stoppage member limits motion of the flexible plate. The rigid plate includes a reverse bending edge that include a first lateral etch stop that includes a first corner radius and a second lateral etch stop that includes a second corner radius. The first corner radius is more than 100 nanometers and the second corner radius is more than 25 nanometers. Further, a lateral step width between the first corner radius and the second corner radius is less than around 4 micrometers.

Abstract: One form of an in-vehicle sound emitting device includes a front case and a rear case. The front case is partitioned from the rear case by a partition plate made from a metal plate. Rear space inside the rear case is sealed, and an electronic circuit is disposed in the rear space. A loudspeaker is mounted in front space inside the front case. By using two of the partition plates having the same structure, the front case having the incorporated loudspeaker and the rear case having the incorporated electronic circuit can be disposed separately.

Abstract: A method of increasing an ability of a recipient of a hearing prosthesis' ability to hear with the hearing prosthesis, including obtaining data indicative of a first characteristic of content, wherein the content is an audio or an audio-visual content, obtaining data indicative of a second characteristic of the content, identifying, based on the first and second characteristics, specific content and using at least one item of the specific content with the hearing prosthesis such that a hearing percept in the recipient is evoked based on the at least one item of specific content.

Abstract: An integrated circuit connectable to a sensor includes a transconductance element and a current-input analog-to-digital converter (I-ADC). The transconductance element is connectable to the sensor and is configured to generate a current signal representative of an output of the sensor. The I-ADC is configured to sample and quantize the current signal to generate a corresponding digital sensor signal. The I-ADC includes a continuous-time (CT) integrator stage, a discrete-time (DT) integrator stage, and a feedback digital-to-analog converter (FB-DAC). The CT integrator stage is configured to receive the current output and the I-ADC is configured to generate the digital sensor signal based on an output of the CT integrator stage and an output of the DT integrator stage. The FB-DAC is configured to provide a feedback signal based on the digital sensor signal for adding to the current signal.

Abstract: A loudspeaker diaphragm (12) comprising a woven fibre body supports damping material (25), for example PVA polymer, on a rearward-facing surface (24). The woven fibre body may be formed of lengths (14) non-metallic fibre material (for example glass fibre) coating with a thin metal coating (32). The mass of the layer of damping material (25) may be less than the mass of the woven fibre body. An attractive sparkly looking loudspeaker diaphragm (12) may thus be provided which damps undesirable vibration whilst providing a flatter frequency-response curve (50).

Abstract: According to various embodiments, disclosed is a headphone stand including a support base; a vertical beam coupled to the support base; and at least one arm rotationally coupled to the vertical beam, the arm being configured to rotate a full 360 degrees about the vertical beam. In some embodiments, the headphone stand may comprise two arms which rotate independently from one another.

Abstract: A speaker horn with rotatable radiation characteristics has a base body in the form of an opening funnel with a rotationally symmetrical inner wall in the radiation area and an insert mounted so that it can rotate relative to the base body. The insert covers part of the rotationally symmetrical inner wall acoustically and causes the rotatable radiation characteristic of the speaker horn.

Abstract: An acoustic waveguide in accordance with one or more embodiments of the present technology that comprises a housing having a proximal end with an inlet aperture and a distal end with an outlet aperture, and a mounting flange positioned at the proximal end and configured to acoustically couple a driver to inlet aperture. A plurality of sound channels extend through the housing and acoustically couple the inlet aperture to the outlet aperture. Each sound channel at least partially defining a sound path has an acoustic length, wherein at least one of the sound paths of the plurality of sound channels has a bend angle that exceeds 180 degrees.

Abstract: The present document describes a textile-assembly toolkit for reversible assembly of a textile to an electronic-speaker device. The toolkit includes multiple attachment features, including rigid features with matched purposefully-designed knit types that can be combined to enable repeatable, mass-producible, reversible assembly of the textile to the electronic-speaker device. The techniques described herein enable accurate alignment of the textile on the electronic-speaker device without distorting the textile's cosmetic pattern and in a manner that results in no visible edges of the textile or visible attachment features on the exterior of the electronic-speaker device. Also, the textile-assembly toolkit includes attachment features that secure the textile with sufficient tension to avoid acoustic distortion such as rub and buzz.

Abstract: Disclosed herein is a sound output apparatus including a case including a hole, and a speaker unit including a first speaker unit and a second speaker unit, wherein the first speaker unit and the second speaker unit are mounted on the case through the hole, spaced apart from each other by a preset distance, and symmetrically arranged, wherein the first speaker unit and the second speaker unit output sound in opposite directions.

Abstract: Devices and methods to reduce ear wax clogging of acoustic ports, hearing aid systems, and feedback reduction systems are provided. A conformal hearing aid includes a hearing aid body, where the hearing aid body houses a microphone and a receiver, where the microphone is positioned within the hearing aid body to measure acoustic signals from an ambient environment, and where the receiver is positioned within the hearing aid body to emit acoustic signals toward a tympanic membrane of a user; an expandable element, where the expandable element is operatively connected to the hearing aid body, and where the expandable element is configured to encompass a circumferential portion of the hearing aid body when expanded; and an inflation management system, where the inflation management system is configured to expand the expandable element when actuated.

Abstract: A two-way receiver includes a cylindrical frame, a yoke dividing an internal space of the frame and including a cylindrical portion, a first flange portion formed at an outer periphery of the cylindrical portion, a connection wall bent downward from the first flange portion, a second flange portion formed at an outer periphery of the connection wall, and a communication hole formed by deleting a portion of the connection wall and second flange portion. A first speaker unit is installed above the yoke, and a second speaker unit below the yoke. A protector coupled to a lower portion of the frame protects the second speaker. A bass duct formed on an outer periphery of the first speaker unit has a sound emission hole for emitting a sound of the first speaker unit emitted to the communication hole of the yoke to a position spaced apart from the communication hole.

Abstract: A speaker device of the present disclosure includes a speaker unit, a first passive radiator disposed adjacent to a vibrating plate of the speaker unit, a second passive radiator located in a first direction with respect to the first passive radiator and disposed to be opposed to the first passive radiator, a first cabinet including a first wall section and forming a sealed acoustic space, and a second cabinet including a second wall section, including an opening section adjacent to the first passive radiator, and forming an opened acoustic space. The second passive radiator is located in a second direction with respect to a first imaginary surface passing the first wall section of the first cabinet. The second wall section of the second cabinet does not project in the first direction with respect to the first wall section.

Abstract: An electronic device can include a housing at least partially defining an internal volume and an aperture in communication with the internal volume and an ambient environment. A speaker module can be positioned at the aperture and sealed to the housing to define a liquid barrier. The speaker module can include a metallic support member partially defining the internal volume and a flat mounting surface, a magnet affixed to the flat surface, a speaker module enclosure affixed to the metallic support member, and a diaphragm carried by the speaker module enclosure and positioned opposite the magnet.

Abstract: A device, system, and a method for adjusting audio parameters for a user are disclosed. The method comprises performing a hearing test of the user. The hearing test comprises playing an audio and capturing an auditory response of the user towards the audio. A hearing profile of the user is generated based on one or more results of the hearing test. A playing speed of the audio is adjusted based on the hearing profile, thereby adjusting the audio parameters for the user.

Abstract: A personal acoustic system and flexible mount for the same are disclosed. The flexible mount is comprised of an elastomeric material. The personal acoustic system further includes a band comprising a first mount and an earpiece comprising a second mount. An acoustic element is housed within the earpiece. The elastomeric mount is positioned intermediate the first mount and the second mount to flexibly connect the band to the earpiece.

Abstract: A small-sized onboard device that includes a speaker and a microphone and is configured to reduce noise caused by an echo is provided. The speaker is provided inside a housing that forms a cavity inside so that a sound emission surface of the speaker faces a direction substantially orthogonal to a front surface, and a first opening is formed in a front surface of the housing. A microphone case and a sound guide member are juxtaposed on the front surface of the housing. A microphone is housed inside the microphone case. The microphone case has a sound pickup hole in a front surface of the microphone case. The sound guide member has a sound guide hole that passes through the sound guide member. The first opening is provided in a vicinity of a top surface or a bottom surface of the housing.