Abstract: A push-pull type speaker device and a method of manufacturing the same are provided. The speaker device includes a frame, a permanent magnet installed within the frame using a fixing device, a first diaphragm and a second diaphragm installed in opposite end portions of the frame, a pair of electromagnets, respectively corresponding to the first and second diaphragm, each installed at a distance from the permanent magnet, and a power source driver for supplying current to the pair of electromagnets, wherein a winding direction of each electromagnet is formed such that, when current is provided from the power source driver to each of the electromagnets, the pair of electromagnets have an opposite magnetic flux direction.

Abstract: A microphone unit is disposed in the inside of a first housing of a voice input apparatus. The microphone unit includes: a second housing; a diaphragm which is disposed in the inside of the second housing; and an electric circuit portion which processes an electric signal that is generated based on a vibration of the diaphragm. In the voice input apparatus, a first sound guide space which guides a sound outside the first housing to a first surface of the diaphragm and a second sound guide space which guides a sound outside the first housing to a second surface of the diaphragm are formed. The electric circuit portion is disposed in either one of the first sound guide space and the second sound guide space; and an acoustic resistance portion which adjusts at least one of a frequency characteristic of the first sound guide space and a frequency characteristic of the second sound guide space is formed.

Abstract: A method for producing a microphone module includes arranging a MEMS microphone structure on a first surface of a first substrate, the first substrate further including a second surface, which is opposite to the first surface. Furthermore, a cap is arranging on the first surface of the first substrate such that the cap and the first surface enclose the MEMS microphone structure. A readout device for the MEMS microphone structure is arranged on a first surface of a second substrate which further includes a second surface, which is opposite to the first surface. The second surface of the first substrate is attached to the second surface of the second substrate.

Abstract: An audio speaker assembly is provided with a grill which twist locks with the speaker housing for assembly and disassembly. The housing includes a perimeter edge with a plurality of slots and tab retainers. The grill includes a perimeter edge with a plurality of tabs. The tabs of the grill align with the slots of the housing, and the grill is then rotated so that the tabs under lay the tab retainers so as to lock the grill into securement with the speaker housing. The grill is rotated in the opposite direction to unlock the grill for disassembly.

Abstract: For reducing the influence of interference fields on hearing aids, a hearing aid is provided with an electronic component into which a first and a second electromagnetic disturbance component can be injected by providing a predetermined electromagnetic interference field. The electrical component is formed asymmetric and/or a compensation component is arranged on the electrical component such that the first and the second interference components largely compensate for one another. A compensation plate or an element which is provided in any case, such as a microphone, may be used as the compensation component. If the electrical component is a coil, then its core may, for example, be conical or configured such that its winding density varies.

Abstract: A portable electronic device that provides audio sound output from multiple internal speakers to a common output audio opening in a housing of the portable electronic device is disclosed. In one embodiment, the multiple internal speakers are provided in close proximity to one another, such as adjacent to one another, and serve to produce audio sound pertaining to different audio channels. The sound (i.e., pressure waves) produced by each of the internal speakers is directed into a respective acoustic chamber and output via the output audio opening in the housing. Accordingly, the acoustic chambers for the multiple internal speakers can each direct their audio sound output to the same output audio opening in the housing. The respective acoustic chambers can be formed adjacent to one another with a structural barrier serving to separate the distinct acoustic chambers.

Abstract: A hearing aid includes a shell for accommodation of a signal processor for processing an audio signal into a processed audio signal, and a receiver that is connected to an output of the signal processor for converting the processed audio signal into an acoustic sound signal, and a flexible elongated member with a first end attached to the shell, and a second free end, wherein the flexible elongated member comprises a lumen for housing a wire that is for providing current to an electronic device, the flexible elongated member having a shape for stabilizing the shell relative to a user's ear.

Abstract: A piezoelectric speaker that includes an electrode formed on opposing main surfaces of a piezoelectric sheet having a predetermined stretching axis and made of a chiral polymer. The electrode is divided into four electrode portions by a plurality of dividing lines extending in a radiation direction. The four electrode portions are distributed along the outer peripheral portion except for the central portion of a vibration region. Voltage is applied to the respective four electrode portions in such a manner that electric field vectors generated in the thickness direction of the piezoelectric sheet direct in opposite directions between the adjacent ones of four sheet portions of the piezoelectric sheet to which voltage is applied by the electrode portions.

Abstract: A loudspeaker includes a frame coupled to a magnetic circuit, a cone diaphragm coupled to an outer periphery of the frame, a voice coil coupled to the cone diaphragm, the voice coil having a portion placed in a magnetic gap of the magnetic circuit, a tubular port having an end coupled to the voice coil, and a diameter of another end of the tubular port is larger than a diameter of a connecting portion at which the end of the tubular port is coupled to the voice coil, and a dome covering an upper end of the tubular port. A center axis of the tubular port inclines at least by 5° with respect to a center axis of the voice coil.

Abstract: An earphone comprises two earbuds, a plug assembly, and a wire connected to the earbuds and the plug assembly. The plug assembly comprises a first insulation shell, a second insulation shell, an adjusting wheel located between the first insulation shell and the second insulation shell, a plug fixed in the inside of the first insulation shell, two stopping blocks fixed to one side of the first insulation shell away from the wire, and a resetting element received in the second insulation shell. The plug comprises a plug core and a sleeve set on the outside of the plug core.

Abstract: A headphone having reduced-tangling potential includes an audio plug for receive electrical signals from an audio device, coupled via wires to ear buds, wherein the ear buds are for receiving electrical signals and outputting audio, wires coupled to the audio plug and to the pair of ear buds, wherein the coupling wire is configured to provide the electrical signals from the audio plug to at least the pair of ear buds, and a restraint device having a pliable material body having an interior channel, wherein the channel restrains movement of the separate ear buds a first resistance, when the audio plug is inserted into the channel, and wherein the channel restrains movement the separate ear buds by a second resistance, when the audio portion is separated from the channel, wherein the first resistance amount exceeds the second resistance amount.

Abstract: The present invention relates to a new type of hearing aid with a housing that is adapted for positioning in the ear canal of a user and attached to an elongate member that is adapted for positioning in the pinna outside the ear canal of the user. The elongate member is adapted for removable interconnection with the hearing aid the housing of which is adapted for positioning in the ear canal of a user and accommodates a signal processor for processing an audio signal into an audio signal compensating a hearing loss and a receiver that is connected to an output of the signal processor for converting the processed compensated audio signal into a sound signal.

Abstract: A system and a method for moving a microphone 100 in relation to a sound source 160 including: a microphone 140; moving the microphone in a dimension X-Y axis 110 or adding a third dimension 190; and an input system 150 operationally attached for adjusting the microphone in relation to the sound source and returning to desired locations. Features may further include: computer driven movement in the two or three dimension fields; a computer system 200 may retain locations and when requested return the microphone 140 to retained locations; the input system for control movement may be remote; and wherein the computer system 200 may position the microphone 140 for desired tones and effects.

Abstract: A microphone includes: a needle-like electrode; an opposite electrode facing the needle-like electrode; a discharge section formed between the needle-like electrode and the opposite electrode; a high-frequency oscillating circuit including the discharge section and producing a high-frequency discharge at the discharge section; a sound wave introduction section through which a sound wave is introduced to the discharge section; and a modulated signal extracting unit that extracts a signal modulated, according to the sound wave oscillated by the high-frequency oscillating circuit and introduced to the discharge section. The high-frequency discharge is produced at the discharge section as the high-frequency oscillating circuit performs high-frequency oscillation with the discharge section between the needle-like electrode and the opposite electrode as a return path, and a frequency modulation is performed as an equivalent impedance of the discharge section changes according to the sound wave.

Abstract: The invention relates to a method of operating an audio processing device. The invention further relates to an audio processing device, to a software program and to a medium having instructions stored thereon. The object of the present invention is to provide improvements in the processing of sounds in listening devices. The problem is solved by a method comprising a) receiving an electric input signal representing an audio signal; b) providing an event-control parameter indicative of changes related to the electric input signal and for controlling the processing of the electric input signal; c) storing a representation of the electric input signal or a part thereof; d) providing a processed electric output signal with a configurable delay based on the stored representation of the electric input signal or a part thereof and controlled by the event-control parameter. The invention may e.g. be used in hearing instruments, headphones or headsets or active ear plugs.

Abstract: A variable directional microphone assembly and method of manufacturing the variable directional microphone assembly which includes a substrate, a semiconductor integrated circuit device, two microphone devices, a microphone body, and a case.

Abstract: The circuit complexity or the filter order, respectively, of an analysis/synthesis filter bank system especially for hearing aids is to be reduced. For this reason, the stop-band attenuation of at least one of the transfer functions of the analysis filter bank is composed of a separately configurable, frequency-independent analysis basic attenuation component and a separately configurable frequency-dependent analysis attenuation component. Furthermore, the stop-band attenuation of at least one of the transfer functions of the synthesis filter bank is composed of a separately configurable, frequency-independent synthesis basic attenuation component, a separately configurable, frequency-dependent first synthesis attenuation component and a separately configurable, frequency-dependent second synthesis attenuation component which is also dependent on the manipulation of the sub-band signals.

Abstract: A combination of a hearing aid (1) and an adapter shoe (13), wherein the hearing aid has a pivotable battery compartment (6), and wherein the adapter shoe has engagement means (14, 15) for engaging the exterior of the hearing aid housing, blocking means (21) for blocking pivoting of the pivotable wall, and engagement means (23) for engaging the pivotable wall. The invention also provides an adapter shoe and a method of attaching an adapter shoe.

Abstract: A method of and system for managing a conference call among participants and a moderator provides a control mode in which only one participant can speak at time. All participants other than the speaker are muted. The system maintains a talk queue. When a participant requests to speak, the system places the participant in the talk queue. The system may announce to the moderator that the participant has registered to speak. The system may also announce to the moderator the participant's position in the talk queue. When a speaking participant relinquishes, or is preempted from, the speaking position, the system mutes the speaking participant. The system informs the participant at the top of the talk queue that it is his or her turn to speak and unmutes that participant, whereby that participant becomes the new speaking participant. The system removes the new speaking participant from the talk queue. The system may announce their respective positions to the other participants in the talk queue.

Abstract: An electrodynamic transducer with a membrane includes an electrodynamic motor in a carcass in which a coil held by a mandrel connected to the membrane is capable of movement. The mandrel has a shape generated by an essentially linear generatrix, the coil being arranged in an air gap of a vertical free space where it is capable of movement and defined, towards the center of the transducer, by an inner magnetic structure and, towards the periphery of the transducer, by an outer magnetic structure, at least one of the magnetic structures generating a static magnetic field, wherein the transducer does not include any peripheral nor inner suspension and the guiding of the mobile equipment and the pneumatic tightness between the front and rear faces of the membrane being ensured by a ferrofluid. The mandrel is maintained in the air gap by the ferrofluid applied on at least one of the two faces of the mandrel and entirely filling the air gap.