Abstract: A computer implemented system and method for performing a quantitative balance assessment on a subject are described. The method comprises instructing the subject to perform an assessment task with at least a first kinematic sensor mounted on the subject's head; collecting kinematic sensor measurements, comparing the measurements to a threshold value; summing the total number of kinematic sensor measurements that exceed the threshold value to generate a numerical score indicative of the subject's postural stability. The system makes use of only kinematic data collected from the wireless sensors to quantify BESS, and generate a BESS score, without any other physiological variables such as forward sway.

Abstract: According to an aspect of an embodiment, a stereophonic sound reproduction apparatus includes: an input unit for receiving an acoustic signal; a control unit for acquiring an output acoustic signal for generating a virtual sound source for the received acoustic signal; and an output unit for outputting the acquired output acoustic signal by using a front speaker and a side speaker, wherein the control unit generates an attenuation signal that is a signal for attenuating or cancelling an inflow acoustic signal to be directly transferred to an audience in the output acoustic signal output from the side speaker, and the generated output acoustic signal includes the attenuation signal.

Abstract: A method comprising: receiving a reference time delay between a first reference signal emitted by a first speaker and a second reference signal emitted by a second speaker, each recorded by a microphone having a target position; using the microphone positioned at an actual position, recording a first sound signal emitted by the first speaker and a second sound signal emitted by the second speaker; determining an actual time delay between the first and second sound signals; comparing the actual time delay to the reference time delay; determining a match or a mismatch between the actual position and the target position for the given microphone; and outputting an indication of the match/mismatch.

Abstract: A sound output apparatus is provided, which includes an outer case having an upper portion with an opening formed upward, and a lower portion with sound holes formed therethrough, a first sound output unit provided at an upper side within the outer case and capable of outputting sounds of a first frequency band, a second sound output unit provided at a lower side within the outer case and capable of outputting sounds of a second frequency band, and a conveying device provided below the first sound output unit and capable of moving the first sound output unit up and down, wherein the conveying device allows the first sound output unit to protrude upwardly such that sounds are output between the outer case and the first sound output unit.

Abstract: An environment detection node supports dynamic audio optimization by receiving data from sensors and analyzing the received data to detect objects such as furniture and/or humans within an environment. Based on locations within the environment of the detected objects, the environment detection node determines an optimized target location and adjusts audio output to be optimized when heard at the target location.

Abstract: Systems and methods are disclosed herein that may be implemented to use multiple light sources to visually display non-graphics positional audio information based on multi-channel audio information produced by a computer application executing on a processor of an information handling system. The multiple light sources may be operated separately and independently from a user's computer display device, and the non-graphics positional audio information may be separate and different from any visual graphics data that is generated by the computer application or information handling system.

Abstract: An engaging structure is used for installation of a loudspeaker into an installation hole of a partition. The installation hole extends through first and second faces of the partition. The engaging structure includes a receiving portion and a plurality of clamping units. The receiving portion has a receiving hole for receiving the loudspeaker. The clamping units are coupled with the receiving portion and surround the receiving hole. Each clamping unit includes first and second clamping members. The first clamping member includes a first end connected to a first end of the second clamping member, and a second end connected to a first wheel. The first wheel abuts with an inner periphery of the partition. The second clamping member includes a second end connected to a second wheel, and the second wheel abuts with one of the first and second faces of the partition.

Abstract: A playback device including: a housing: an attachment portion to a first position on an attachment surface; a speaker that plays back sound in a predetermined direction in accordance with a first audio signal having a first band; and a vibration portion that vibrates in accordance with a second audio signal having a second band that is lower than the first band, the vibration portion having an abutment surface that abuts at a second position on the attachment surface. The attachment member, the speaker, and the vibration portion are attached to the housing.

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.

Abstract: A transparent ultrasonic audio speaker includes an emitter and a driver. The emitter can include first and second transparent conductive sheets. The conductive sheets can comprise a base layer and a conductive layer, and can be transparent. The transparent ultrasonic audio speaker can be configured to be positioned on or in place of the display screen of a content device.

Abstract: Embodiments of the invention include a micro speaker assembly that has two drivers, each having a separate yoke, set of magnets, voice coil, and acoustic diaphragms. One driver may produce high frequency (HF) sound while the other produces low frequency (LF) sound. The two drivers may be packaged, side-by-side, within the same micro speaker acoustic enclosure. The drivers may have their respective magnet systems physically connected to each other, in order to enhance heat transfer from one to the other. In particular, a thermally conductive portion or bridge may be used to directly join or thermally connect adjacent edges of the yoke portions of the two magnet systems, in order to enhance heat transfer between the first and second micro speaker drivers. Thus, the assembly can handle more power without overheating. Other embodiments are also described and claimed.

Abstract: Provided is a sound reproduction device including: a first loudspeaker having directionality utilizing a parametric effect; a second loudspeaker having directionality broader than that of the first loudspeaker; an orientation adjustment unit configured to change an orientation of the first loudspeaker; an information obtaining device configured to obtain positional information of a listener; and a drive controller electrically connected to the first loudspeaker, the second loudspeaker, the orientation adjustment unit, and the information obtaining device, and configured to control the orientation of the first loudspeaker based on the positional information of the listener.

Abstract: Provided is an electronic machine that is provided with a speaker and that enables a direction of the speaker to be appropriately and arbitrarily changed. The electronic machine includes a speaker unit, housings, and a rotating device. The speaker unit is supported by the housing. The rotating device includes a first rotating device configured to rotate the speaker unit with respect to the housings about a direction intersecting with an axis of the housings serving as a rotational axis, and a second rotating device configured to rotate the speaker unit with respect to the housings about the axis of the housings serving as a rotational axis.

Abstract: A loudspeaker includes a base, a sound-reflecting member located at a side of the base, a sound generator mounted to the sound-reflecting member, an adjusting member including a number of magnetic pieces and located at an opposite side of the base, a connecting member connected between the sound-reflecting member and the adjusting member, a supporting member, and a controlling apparatus. The supporting member includes a number of first electromagnets mounted to the magnetic pieces. The controlling apparatus is electrically coupled to the first electromagnets. The controlling apparatus controls the first electromagnets to attract the magnetic pieces, to allow the adjusting member to swing, and the adjusting member drives the connecting member to rotate, thereby swinging the sound-reflecting member.

Abstract: A protective case for housing a wireless communication device is provided. The protective case may include integral wireless communication circuitry independent of the wireless communication device. The wireless communication circuitry may be configured to enable communication between the protective case and one or more remote communication devices via a short range network. The protective case may further include an integral speaker configured to reproduce audio signals received by the integral wireless communication circuitry and an integral power source configured to provide power to at least the integral wireless communication circuitry and the integral speaker. The integral wireless communication circuitry and the integral speaker may be capable of functioning independently of the wireless communication device.

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: An annular diaphragm compression driver for electro-acoustic conversion has an annular diaphragm, which bears a moving coil, and a compression driver housing with a closed housing base. Opposite the housing base is a sound wave routing element having a sound discharge channel. The compression driver also has an annular magnet system unit, which has an annular magnet gap (M) and a compression chamber, adjoining the magnet gap (M), for the annular diaphragm. The open exit end of the sound discharge channel is in slot form and its entry start is annular. The sound path between the compression chamber and the entry start contains an annular collecting space. The collecting space and the sound discharge channel contain a central sound guidance body having a portion which merges to match the slot-like exit end. The sound discharge channel is formed between the sound guidance body and the sound wave routing element.

Abstract: A docking station includes a main body, a supporting arm projecting from the main body, and a rotating member rotatably coupled to the supporting arm and retaining the electronic device. The rotating member is capable of rotating from a first position to a second position different from the first position, when the rotating member rotates to the first position, the electronic device is supported in a first orientation, and when the rotating member rotates to the second position, the electronic device is supported in a second orientation.

Abstract: A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis.

Abstract: A speaker comprises a housing that defines an internal cavity and includes a front panel, a first side, a second side, and a third side. The speaker also includes a controller, an actuator, and a sound generating member that are disposed within the internal cavity. The controller is in communication with the actuator, and the actuator is configured for causing the sound generating member to vibrate, and thereby generate sound waves, as instructed by the controller. The front panel is configured to transmit the sound waves. The speaker has a center of mass that is affected by a position of the controller and the actuator, and the controller and the actuator are arranged and positioned so that the center of mass of the speaker is positioned along an axis that extends from, and is perpendicular to, the first side.

Abstract: An audio speaker assembly for providing a 360° all around audio output. A speaker rod includes an upper audio output portion and a lower extending insertion tube portion. A holder includes a longitudinally extending inner passageway for receiving the rod in inserting fashion, with an electrical output signal representative of a succeeding audio output being communicated to the holder and rod.

Abstract: A speaker cabinet pole mount includes a socket body and an attachment element. The socket body defines a pole socket comprising a first socket part and a second socket part extending generally from one end of the first socket part. The first socket part has a first diameter and the second socket part having a second, smaller diameter. The second socket part has an internal wall which is provided with at least one coupling element adapted to engage with a threaded pole. The attachment element is coupled to the socket body generally at the other end of the first socket part, the attachment element being adapted for connection to a wall of a speaker cabinet.

Abstract: An object of this invention is to provide a canal-type receiver capable of reproducing sound fields spanning front-to-rear and/or top-to-bottom. Thus, an ear piece of the canal-type receiver has a substantially cylindrical shape and includes a cylindrical portion including a sound guiding tube emitting a sound wave, radiated from a sound-emission unit in a receiver, to the inside of the external auditory canal, the sound guiding tube is configured so that a directional sound wave radiation axis of the sound wave faces a predetermined position of a wall of the external auditory canal in such a state that a cylindrical portion of the ear piece is mounted at a predetermined position in the external auditory canal, whereby the sound wave radiated from the sound guiding tube is reflected by a portion of the external auditory canal wall to arrive at the eardrum.

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: 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 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 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: 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: 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: 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: 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 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 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.