Abstract: An audio device incorporates first acoustic driver at least partially overlain by a first acoustic reflector to define a first effective direction of maximum acoustic radiation and a second acoustic driver at least partially overlain by a second acoustic reflector to define a second effective direction of maximum acoustic radiation, wherein when the audio device is positioned in a room such that the direction of maximum acoustic radiation of the first acoustic driver is substantially perpendicular to the direction of the force of gravity, the first effective direction of maximum acoustic radiation is bent more towards a listening position at which a listener is expected to be located than the first direction of maximum acoustic radiation and away from a floor, and the second effective direction of maximum acoustic radiation is bent more towards the listening position than the second direction of maximum acoustic radiation and away from a wall.

Abstract: A computationally implemented system and method that is designed to, but is not limited to: electronically modulating two or more acoustic ultrasonic signals according to output information to be transmitted as two or more acoustic ultrasonic signals from two or more portable electronic device emitters of a portable electronic device; and electronically projecting said two or more acoustic ultrasonic signals from said portable electronic device emitters to produce a first set of one or more acoustic audio signals from a first set of said two or more acoustic ultrasonic signals at a first location and to produce a second set of one or more second acoustic audio signals from of a second set of said two or more acoustic ultrasonic signals at a second location. In addition to the foregoing, other method aspects are described in the claims, drawings, and text forming a part of the present disclosure.

Abstract: A suspended audio performance system including a first electroacoustic device and a first base structure secured to the first electroacoustic device. The first base structure is configured to be suspended between a first suspended position and a second suspended position.

Abstract: An apparatus comprising a flexible substrate material (901) configured to operate in at least two shapes and at least one transducer (801) located within the flexible substrate material (901) configured to produce a transducer output, wherein the flexible substrate (901) is configured to affect the transducer output.

Abstract: A speaker apparatus selects a path which emits a speaker sound. The speaker apparatus includes a speaker unit for outputting the sound generated from voice data, a body including at least one or more emission paths for guiding and emitting the sound output from the speaker unit, and a member for opening or shutting out at least one emission path.

Abstract: A sound apparatus is disclosed. The sound apparatus includes a body, a bracket coupled to a lower portion of a rear surface of the body, a plurality of upper links, one end of each of the upper links being hinge-coupled to the bracket, a middle frame hinge-coupled to the other end of each of the upper links, a plurality of lower links, one end of each of the lower links being hinge-coupled to the middle frame, and at least one speaker module hinge-coupled to the other end of each of the lower links to vertically move according to rotational movement of the upper links and the lower links, wherein a direction of rotation of the upper link is opposite to a direction of rotation of the lower links, and the middle frame moves in a lateral direction during the rotational movement of the upper links and the lower links.

Abstract: An electronic device includes a main unit having a first housing with a groove and a speaker having a second housing and an adjusting rod. The groove has a limiting section and a stop portion receiving section, a minimum width of which is greater than that of the limiting section. The adjusting rod has a rod body extending through the limiting section, and a stop portion received in and rotatable relative to the stop portion receiving section and having an outer diameter greater than the minimum width of the limiting section. Through the cooperation of the adjusting rod and the groove, the speaker is multi-directionally adjustable relative to the main unit.

Abstract: A sub woofer for in-ground installation and a method of installation. The sub woofer has a cylindrical enclosure or housing having a driver, electronics and a band pass filter. The driver cone is coaxial with the axis of the cylindrical housing. A port tube assembly having a tuned port tube and a resilient elbow interface is attached to an end wall of the housing in an eccentric position with the port tube projecting vertically and terminating at a canopy. The installation requires placing the enclosure in an excavation and positioning the housing and port assembly so a predetermined above ground spacing exists between the upper end of the above ground port tube and grade.

Abstract: A speaker arrangement comprises a first sound transducer (101) for reproducing sound in a lower frequency range and having a first on-axis direction and a first center point. The arrangement further comprises a second sound transducer (103) for reproducing sound in a higher frequency range, the second sound transducer (103) being mounted in front of the first sound transducer and having a second on-axis direction and a second center point. The transducers are positioned such that an angle between the first on-axis direction and the second on-axis direction is between 45° and 135°, and such that the distance between the first center point and the second center point is not higher than a cross-over wavelength corresponding to the cross-over frequency. The cross-over frequency between the lower frequency range and the higher frequency range is selected to be within the interval from 1.5 kHz to 3 kHz. An improved point source approximation may be achieved.

Abstract: Aspects of the present invention may provide audio devices, which may be included in protective covers, suited for use with tablet computers and the like. Embodiments may include audio devices including a substantially tablet-shaped rigid housing. The housing may include a top surface, a bottom surface, and a recess in the top surface. A relatively flat audio speaker may be received in the recess of the housing, and may be pivotally mounted to the housing such that a free end of the speaker is movable between a closed position and an open position.

Abstract: A sound reproduction device includes a superdirective speaker having a first surface, and an attachment part having a second surface opposed to the first surface. The first surface has a convex face, and the second surface has a concave face which can come into contact with the convex face. A curvature of the convex face is set larger than that of the concave face. A direction of emitting a sound wave of the superdirective speaker can be adjusted by making the convex face move along the concave face.

Abstract: A speaker module is capable of adjusting an outputting direction of an audio signal. The speaker module includes a base, a supporter, a speaker and a lifting mechanism. The supporter is disposed on the base. The speaker includes a speaker unit and an arm. The speaker unit is suspended above the base for generating the audio signal. A first end of the arm is connected to a lateral side of the speaker unit, and a second end of the arm is movably disposed on the supporter. The lifting mechanism includes a first lifting component disposed on the speaker unit, a body disposed on the base, and a second lifting component disposed on the body. The second lifting component can adjust a height of the first lifting component, so as to rotate the speaker unit relative to the supporter.

Abstract: The invention relates to a loudspeaker and to a loudspeaker housing for accommodating a loudspeaker module, wherein the loudspeaker housing has a sound output side having a sound output opening and a casing, wherein the sound output side is the side of the loudspeaker housing that is intended to output the sound of the loudspeaker module through the sound output side when the loudspeaker module is arranged in the loudspeaker housing, wherein the sound output direction is perpendicular to the sound output side, and wherein the casing is arranged radially around the sound output direction and laterally around the sound output side, and wherein the loudspeaker housing has a rear side opposite the sound output side, and wherein the rear side is open or has an opening, wherein between the sound output side and the rear side, the casing varies in the cross-section thereof perpendicular to the distance line between the sound output side and the rear side.

Abstract: Various inventive features are disclosed for efficiently generating regulation-compliant audible alerts, including but not limited to 520 Hz square wave alert/alarm signals, using an audio speaker. One such feature involves the use of a non-linear amplifier in combination with a voltage boost regulator to efficiently drive the audio speaker. Another feature involves speaker enclosure designs that effectively boost the output of the audio speaker, particularly at relatively low frequencies. Some of the disclosed speaker enclosure designs rely on an interference effect and/or a resonance effect to transfer energy from higher-order harmonics downward to the fundamental frequency and lower-order harmonics. These and other features may be used individually or combination in a given alarm-generation device or system to enable regulation-compliant audible alerts to be generated using conventional batteries, such as AA alkaline batteries.

Abstract: A loudspeaker box (300) has a loudspeaker housing (1) and a sound source (3a) with a non-rotationally symmetrical radiation characteristic. The sound path of the sound source (3a) contains an acoustic element (4) which dilates or constricts the radiation of sound in at least one radiation plane. The loudspeaker box (300) comprises a mechanism which can be used to position the sound source (3a) and the acoustic element (4) in different rotational positions relative to one another.

Abstract: Embodiments relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and wearable computing devices, audio devices, and communication devices for facilitating the presentation of personal audio. More specifically, disclosed are an apparatus and method to form directional audio personal to a user in a non-occluded manner. In one embodiment, a personal audio and communication devices can include a first directional speaker disposed at a first mounting region of a first support member. The first support member is configured to position the first directional speaker adjacent a first ear in substantial alignment with the first ear. Also included is a second directional speaker disposed at a second mounting region of a second support member. The second support member is configured to position the second directional speaker adjacent a second ear in substantial alignment with the second ear.

Abstract: A sound amplifying device includes a base part and an amplifying part. The amplifying part is mounted on the base part. The amplifying part includes a reflecting wall and a bracket. The reflecting wall has a hollow semi-ellipse shape with a semi major axis and a minor axis. The bracket is mounted on the reflecting wall and has one end positioned on the semi major axis. An electronic product using the sound amplifying device includes the sound amplifying device and an electronic device removably mounted on the sound amplifying device. The sound amplifying device generates a maximum loudness effect.

Abstract: Disclosed herein, among other things, are methods and apparatus for improving speech intelligibility for speech-in-noise in audio processing and hearing assistance devices. The present subject matter includes a method for improving speech intelligibility for speech-in-noise for audio processing and hearing assistance devices. The method includes receiving an audio signal using a microphone array and processing the received signal to improve speech intelligibility in noise. A barrier-type beamforming process is used to improve signal-to-noise ratio at the output of the microphone array. The beamforming process includes convex optimization using a logarithmic barrier function, according to various embodiments.

Abstract: The present invention provides a removable speaker structure for electronic device, which uses the space for the optical disk drives in electronic devices such as notebook computers or in docking stations. After removing the optical disk drive, the removable speaker can be placed. The removable speaker comprises a main module and a speaker module. The speaker module can be removed form the main module for playing multimedia data and enhancing its sound effects.

Abstract: A loudspeaker system including a top firing, 360 degree, time aligned, powered loudspeaker system that comprises a cylindrical body, having a top end and a bottom end, and an upper interior compartment and a lower interior compartment; a first speaker driver and a second speaker driver, each being positioned within the upper interior compartment, and each being oriented to face towards the top end of the cylindrical body; at least one subwoofer having an upper end and a lower end, the at least one subwoofer being positioned within the lower interior compartment and oriented to face towards the bottom end of the cylindrical body; and a narrow band of multiple openings on the cylindrical body, proximate the bottom end of the cylindrical body, and adjacent to the lower end of the at least one subwoofer, the narrow band of multiple openings spanning 360 degrees around the cylindrical body. The first and second speaker drivers are outwardly angled from the vertical.

Abstract: A speaker unit used for a musical instrument and configured to generate music sounds based on a performance operation in a main body of the musical instrument, including: an electrostatic speaker; and a stationary portion which is a portion fixed to the main body of the musical instrument or which is a member attachable to the main body of the musical instrument, wherein the electrostatic speaker is supported by the stationary portion such that at least one of a position and a posture of the electrostatic speaker with respect to the stationary portion is variable.

Abstract: A speaker assembly rigging system is provided with a first frame and a second frame that is adapted to couple to the first frame. The system includes a cam and a link. The cam is pivotally connected to the first frame about a pivot point. The cam includes at least two cam surfaces, and each of the at least two cam surfaces are offset at a different radial distance from the pivot point corresponding to a splay angle. The link has a proximal end that is pivotally connected to the second frame and a distal end having a contact surface. The link extends from the second frame in a deployed position such that the contact surface engages one of the cam surfaces.

Abstract: Provided is an electronic device including a plurality of oscillators (12) each of which outputs a modulated wave of a parametric speaker, a display (40) that displays image data, a recognition unit (30) that recognizes positions of a plurality of users, and a control unit (20) that controls the oscillator (12) to reproduce audio data associated with the image data, the control unit (20) controls the oscillator (12) to reproduce the audio data, according to a volume or a quality which are set for each user, toward the position of each user which is recognized by the recognition unit (30).

Abstract: An audio device includes a casing configured for operation in a first orientation and a second orientation different from the first orientation, an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the force of gravity, and a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each of which is associated with one of a plurality of audio channels. The acoustic drivers of the audio device operate in a first frequency range and modify at least one of the acoustic interference arrays in response to a change in the orientation detected by the orientation input device.

Abstract: An electronic device includes an earphone driving unit, a loudspeaker driving unit, a first switch, an audio playing unit, a second switch, a detecting unit, and a processing unit. The second switch is turned on when the audio playing unit is received in a housing or turned off when the audio playing unit is taken out from the housing. The detecting unit generates a detecting signal associated with the operational state of the second switch. The processing unit controls the first switch to connect the earphone driving unit or the loudspeaker driving unit to the processing unit according to the detecting signal. In addition, transmits audio signal to the earphone driving unit or the loudspeaker driving unit, triggering the earphone driving unit or the loudspeaker driving unit to drive the audio playing unit to play the audio signal with an adjusted playing power.

Abstract: A speaker device for a mobile terminal enlarges resonance space of a speaker while decreasing a size of the mobile terminal. The speaker device for a mobile terminal includes at least one speaker installed within a main body of the mobile terminal and a speaker bracket installed at one surface of an electronic circuit board mounted within the main body. In addition, the speaker bracket fixes the at least one speaker in place and has housing space to enclose the at least one speaker therein. At least one resonance groove is formed in a portion enclosed by the speaker bracket in one surface of the electronic circuit board. Because resonance space can be enlarged without increasing a size of the speaker bracket, an entire thickness of the mobile terminal can be reduced and thus a size and thickness of the mobile terminal can be decreased.

Abstract: A method of configuring an array of speaker elements is disclosed. The method computes a sound that pressure level at various points in the venue and is evaluated by various objective functions. The configuration of a candidate array is changed, for example by the orientation or position of the speakers and the sound field is recalculated. The process is then iterated until an acceptable configuration is found. The real physical array of speakers is then configured in that manner. The method also provides a 3D plot of the sound pressure level displayed against freguency and position in the venue.

Abstract: Provided is a sound reproduction device including a loudspeaker and a superdirective speaker. The loudspeaker is configured so that a sound pressure of audible sound produced therefrom decreases as the sound travels farther away from the loudspeaker. The superdirective speaker is configured so that a sound pressure of audible sound produced therefrom has a peak at a predetermined distance from the superdirective speaker, and is configured to use an ultrasonic wave as a carrier wave. The loudspeaker and the superdirective speaker are positioned such that a loudspeaker sound field of the audible sound produced from the loudspeaker and a superdirective speaker sound field of the audible sound produced from the superdirective speaker overlap with each other at a position of a listener.

Abstract: Provided are a speaker and a speaker system. The speaker includes a main unit and a sub unit. The main unit emits a sound in a first direction. The sub unit is formed integrally with the main unit and emits a sound in a second direction different from the first direction.

Abstract: An audio output device including a casing, a first speaker component, a second speaker component and a sound-guiding board, and a video/audio output device using the same are disclosed. The first speaker component is a circular speaker, and is disposed at the casing. The first speaker component faces towards a first direction. The second speaker component is disposed at the casing, and faces towards a second direction which is different from the first direction. The sound-guiding board is a square plate body, located above the first speaker component, and is separated at a predetermined distance from the first speaker component.

Abstract: Provided is a hidden speaker apparatus used as a sound apparatus in a digital TV. The hidden speaker apparatus includes a high range speaker that is disposed such that a sound output direction and a direction to a front side where a listener is present form an acute angle. The high range speaker mitigates high range sound attenuation of the hidden speaker apparatus.

Abstract: An apparatus for mounting a loudspeaker unit to a structure is disclosed. A primary mounting bracket is defined by an arcuate center section and a pair of opposed arms extending therefrom. There is at least one open groove and at least one substantially coextensive track spanning the arcuate center section. Each of the arms include a circular planar bearing structure rotatably engageable to a corresponding one of bracket coupling platforms on an enclosure of the loudspeaker unit. A tab defining at least one mounting hardware hole in axial alignment with open groove substantially throughout its length is in a guided sliding engagement with the track. The enclosure of the loudspeaker unit is rotatable about a first axis extending between the arms of the primary mounting bracket and about a second axis defined by a radial center of an arc corresponding to a travel path of the tab along the track.

Abstract: A mounting apparatus for an audio module includes an enclosure base and an enclosure cover. The audio module is pivotally mounted in the enclosure base. A first rotating rod is positioned on the sides of the audio module. An elastic member is mounted on and a plurality of first teeth protrude from one side of the first rotating rod. A gear is pivotally mounted in the enclosure base. A plurality of second teeth protrude from the gear corresponding to the plurality of first teeth. The elastic member is elastically deformed in its original state, and the audio module is received in the enclosure base. When the enclosure cover is rotated away from the enclosure base, the elastic member rotates the first rotating rod, the first rotating rod rotates the gear, and the audio module extends to outside of the enclosure base.

Abstract: This invention pertains to a recordable LED fridge magnet which can not only emit light and sound but also have the recording function. Designed with a casing cover for the recordable LED fridge magnet, there is a permanent magnet pad at the bottom. The electronic components, set between the casing cover and the bottom, are mounted on the printed circuit board. The electronic components comprises: laminated LED light, loudspeaker and electronic sound chip, microphone, play key, flash key and extended power outlet. The invention makes the conventional fridge magnet more functional and adds much more fun to cooking in the kitchen. It can also be used or developed as a voice memo on the fridge for grocery reminder. It is a great gift for every family to take home a recorded memorable moment captured at the sight-seeing spot. Most of all, it is reusable and recordable.

Abstract: The invention provides in some aspects a loudspeaker, for example, configured in a band-like shape and suitable, for example, for wearing as a wristband, armband, legband or the like. A related aspect of the invention is to provide such a wearable loudspeaker comprising a band-shaped enclosure, a driver that is mounted in the enclosure, and an active diaphragm that is coupled to the driver to generate sound waves directed outwardly from the enclosure (referred to below as “outwardly directed waves,” “outward waves” and, more often, by analogy to a conventional, non-wearable loudspeaker “frontward-directed sound waves” or, more simply, “front waves”) and backward-directed sound waves (“back waves”) directed inwardly into the enclosure (referred to below as “inwardly directed waves,” “inward waves” and, more often, by analogy to a conventional loudspeaker “backward-directed waves” or, more simply, “back waves”).

Abstract: A speaker module capable of adjusting an outputting direction of an audio signal is disclosed in the present invention. The speaker module includes a base, a supporter, a speaker and a lifting mechanism. The supporter is disposed on the base. The speaker includes a speaker unit and an arm. The speaker unit is suspended above the base for generating the audio signal. A first end of the arm is connected to a lateral side of the speaker unit, and a second end of the arm is movably disposed on the supporter. The lifting mechanism includes a first lifting component disposed on the speaker unit, a body disposed on the base, and a second lifting component disposed on the body. The second lifting component can adjust a height of the first lifting component, so as to rotate the speaker unit relative to the supporter.

Abstract: A sound reproducing device includes parametric speakers disposed to a display, a loudspeaker, drivers, a human-body sensor, and a controller. The loudspeaker has a wider directivity than the parametric speakers. The drivers change directions of the parametric speakers, respectively. The parametric speakers and the drivers constitute at least two parametric speaker units each composed of respective one of the parametric speakers and respective one of the drivers. The controller reproduces sound information based the number of persons in front of the display detected from an output from the human-body senor. The sound reproducing device reduces the possibility for a number of persons to hear the sound noisily, and allows drawing more attention to the content, e.g. an advertisement.

Abstract: A loudspeaker includes a housing, a conducting sound element, a rotating element, and a modulating element slidably mounted to the rotating element. The housing defines an insertion chamber and a notch. The conducting sound element is mounted in a front of the insertion chamber. The rotating element is rotatablely mounted in a rear of the insertion chamber. A rear end of the rotating element defines a holding groove. A portion of the rear surface of the rotating element is recessed forward to form a sliding groove. A front surface of the modulating element is equipped with an audio plug and defines a sliding element slidably located in the sliding groove. The audio plug is capable of being inserted into the holding groove or projecting out of the holding groove and the notch under a rotation of the modulating element together with the rotating element with respect to the housing.

Abstract: According to one embodiment, an electronic apparatus includes a speaker and a matching section. The speaker includes an output section configured to output sound and an opening which exposes the output section. The matching section closes the opening and includes a slit which partially exposes the output section.

Abstract: An array speaker structure with pop-up mechanisms includes: an array speaker unit; a first conductive connector positioned at an upper end of the array speaker unit; a second conductive connector positioned at a lower end of the array speaker unit, the array speaker unit being rotatably electrical-signal connected between the first and second conductive connectors; two pop-up mechanism installed in the first and second conductive connectors in electrical contact therewith; and a pushbutton switch for hooking or releasing the first conductive connector. When the pushbutton switch is moved away from the first conductive connector, the array speaker unit is bounced out under elastic restoring force of the pop-up mechanisms. Then the array speaker unit can be rotated to a desired position.

Abstract: An articulating speaker assembly includes a first member pivotally connected to a second member for selectively changing the profile of the speaker assembly. A central driver is positioned between the first member and the second member. The first member includes a first enclosure with a cavity shaped and dimensioned for receiving a first driver, the first driver being secured within the first enclosure. The second member includes a second enclosure with a cavity shaped and dimensioned for receiving a second driver, the second driver being secured within the second enclosure. Each of the first member and the second member includes a central driver aperture and the central driver is mounted within the central driver apertures of the first member and the second member.

Abstract: A speaker mounting system comprising a speaker housing configured to house a speaker, a wall mount configured to be mechanically fastened to a wall, and one or more adjustment pieces actuatably connecting the speaker housing to the wall mount. The adjustment pieces may comprise a first adjustment piece fixed to the wall mount and a second adjustment piece slidably and rotatably attached to the first adjustment piece and pivotally attached to the speaker housing. The second adjustment piece may be configured to laterally slide toward and away from the wall mount and to rotate about a first axis and the speaker housing may be configured to rotate or pivot relative to the second adjustment piece about a second axis perpendicular to the first axis. The speaker mounting system may also comprise a biasing member and locking mechanism for selectively allowing and preventing rotation about the first and second axes.

Abstract: A portable electronic device includes a housing. An opening is formed on the housing and a containing space is formed inside the housing. The portable electronic device further includes a speaker installed inside the containing space in a rotatable manner, a first magnetic component installed on a side of the speaker, a second magnetic component installed inside the housing and disposed on a side of the containing space for attracting the first magnetic component so as to position the first magnetic component on a first location, and a restoring component connected to the speaker for driving the speaker to rotate to a second location so as to expose the speaker outside the opening on the housing when magnetic attractive force between the first magnetic component and the second magnetic component disappears.

Abstract: A portable terminal device (100) includes a plurality of operation units (for example, a plurality of operation keys (11)) that are operated by a user; a detection unit that detects which operation unit of the plurality of operation units is operated; and a directional speaker (for example, a parametric speaker (30)). The portable terminal device (100) further includes an audio control unit that controls the directional speaker so that an audio image is formed at a position corresponding to the position of the operation unit operated by the user among the plurality of operation units.

Abstract: A suspended audio performance system including a first electroacoustic device and a first base structure secured to the first electroacoustic device. The first base structure is configured to be suspended between a first suspended position and a second suspended position.

Abstract: Improved approaches to providing a sealed acoustic chamber (e.g., a back volume) for an acoustic component (e.g., speaker) resident in a compact portable electronic device are disclosed. In one embodiment, a compact portable electronic device includes an internal module (or housing), such as an optical camera module that includes optical components, which contains a module volume. The module volume can be provided with a port (e.g., opening) but is otherwise a substantially enclosed (e.g., at least substantially sealed) volume. By acoustically coupling the acoustic component to the port, the module volume can be used as some or all of the back volume for the acoustic component. Advantageously, a compact portable electronic can provide quality acoustic audio output while requiring only a limited amount of dedicated space.

Abstract: An apparatus for mounting a loudspeaker unit to a structure is disclosed. A primary mounting bracket is defined by an arcuate center section and a pair of opposed arms extending therefrom. There is at least one open groove and at least one substantially coextensive track spanning the arcuate center section. Each of the arms include a circular planar bearing structure rotatably engageable to a corresponding one of bracket coupling platforms on an enclosure of the loudspeaker unit. A tab defining at least one mounting hardware hole in axial alignment with open groove substantially throughout its length is in a guided sliding engagement with the track. The enclosure of the loudspeaker unit is rotatable about a first axis extending between the arms of the primary mounting bracket and about a second axis defined by a radial center of an arc corresponding to a travel path of the tab along the track.

Abstract: An articulating speaker assembly for a sound system of a vehicle includes a speaker that is mounted in a trim panel of the vehicle and is movable from a first stowed position corresponding to a typical vehicle speaker location to a deployed position wherein the speaker is configured to direct sound towards an exterior of the vehicle. In one embodiment, the articulating speaker is generally flush with the trim panel when it is in the stowed position, and when it is in the deployed position, is rotated approximately 90° and spaced apart from the trim panel.

Abstract: A microphone unit includes: a housing; a diaphragm which is disposed in the inside of the housing; and an electric circuit portion which processes an electric signal that is generated based on a vibration of the diaphragm. In the housing, a first sound guide space which guides a sound outside the housing to a first surface of the diaphragm via a first sound hole and a second sound guide space which guides a sound outside the housing to a second surface, that is, an opposite surface of the diaphragm via a second sound hole 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: An articulating speaker assembly includes a first member including a first driver and a second member including second driver. The first member and the second member are pivotally connected for selectively changing the profile of the speaker assembly. A central housing member is pivotally connected to each of the first member and the second member, wherein the central housing member supports a third driver.