Abstract: Audio is adaptively associated with speakers, depending on the speaker configuration that is present. Each speaker it receives an audio assignment based on its individual spectral characteristics. As more speakers are added, content is adaptively associated with that you speaker, and taken away from the previous.

Abstract: An apparatus and method for automatically remotely controlling an audio source providing the apparatus with audio for being audibly output to a user of the apparatus entails monitoring various sensors to determine whether or not one or more ear couplings of the apparatus are positioned in close proximity to one or both of the user's ears to determine whether the user is listening to the audibly output audio with either one or both ears, or is not listening at all. In response to changes in whether the user is listening with either one or both ears, or whether the user is listening at all, the audio source is automatically signaled with one or more commands to cease or resume providing the audio to the apparatus, perform or cease performing various alterations on the audio before providing it to the apparatus, etc.

Abstract: There is provided an audio/display apparatus including an audio unit (2) including speaker units (13L, 13R) that reproduce and output audio information, a display unit (3) including a display screen on which video information is displayed. It further includes a support frame (6) to support the display unit (3) fixedly, a carrier (7) which supports the audio unit (2) and is supported on the support frame (6) to be movable, and carrier moving mechanisms (34, 40) to move the carrier (7) in relation to the support frame (6). As the carrier (7) is moved by the carrier moving mechanisms (34, 40), the audio unit (2) is moved between a first position in which it will uncover the entire display screen of the display unit (3) and a second position in which it will overlap, and cover at least a part of, the display screen.

Abstract: A method constructs a location model for locating and tracking sources of acoustic signals. Acoustic training signals are acquired from an acoustic training source at an unknown location in an environment with an array of microphones placed at unknown positions in the environment. From each acoustic training signal, relative acoustic features are extracted to construct a location model that is trained with the relative acoustic features.

Abstract: An internal subwoofer apparatus is provided for mounting within a computer system. The computer system is a multi-media computer system that processes visual and audio recording and playback. The central processing unit box typically includes the motherboard on which is mounted the main central processing unit as well as any ancillary processing chips needed for the computer system. The computer system also includes memory modules such as short-term memory, long-term memory storage in the form of hard disk drives or removable floppy disk drive systems, as well as long-term disk storage systems, such as CD-ROM systems. User input to the computer system is provided by a keyboard and optionally a pointing device, such as a mouse or track ball. A monitor that displays video signals is provided and the audio system includes a pair of satellite speakers serving as a first channel and a second channel.

Abstract: Some embodiments of the present invention provide a system which supports a dual-purpose aperture for an electronic device. This system includes a first component configured to perform an acoustic function through the aperture and a second component configured to perform a non-acoustic function through the aperture.

Abstract: An audio device or system includes a housing which accommodates a circuit board having a micro control unit located within the housing, at least a speaker, and at least an optical trace detecting module coupled to the micro control unit. The optical trace detecting module at least has a light source and an image sensor for detecting a movement of a user's finger moving thereon so as to generate a corresponding moving signal, which is supplied to the micro control unit to cause the micro control unit to generate a control signal for adjusting a received audio signal. The micro control unit may be used in place of a rotary audio adjustment button or knob.

Abstract: A disclosed embodiment is a programmable integrated circuit such as an audio processor or a base band processor for generating a low noise and programmable microphone bias voltage or current. The programmable integrated circuit generates a programmable reference input, where the reference input is programmably generated from at least one power source, such as a on-chip audio power supply, an on-chip power supply, or an off-chip power supply, for use by a regulator. The regulator in the programmable integrated circuit receives a bias input and the programmable reference input and generates a programmable output for biasing a microphone. The bias input for the regulator can be provided by an off-chip power supply or an on-chip power supply. The reference input provided to the regulator can be appropriately filtered to reduce noise. In one embodiment, the programmable reference input and the programmable output are programmed by first and second potentiometers, respectively.

Abstract: A speaker, which includes a basket holding an exciter, a holding down ring fastened to the basket to hold down a diaphragm, which has an annular suspension and a cone fastened to the inner diameter of the annular suspension and coupled to the exciter, and a locating plate capped on an annular positioning portion of the exciter and pressed on the center area of the cone with a beveled outer bearing surface to hold down the center area of the cone against vibration in transverse direction to prevent a distortion of sound.

Abstract: A speaker includes a sound source, a rod-like member whose base end is in contact with the sound source, and a pair of flexible wing members whose ends are attached to the tip of the rod shape member, and whose other ends are free.

Abstract: An audio signal supplying device includes a connection terminal which is connected to a speaker unit and which outputs an audio signal to the speaker unit, a specifying section which specifies a type of the speaker unit connected to the connection terminal, an acquiring section which acquires a parameter corresponding to the type of the speaker unit specified by the specifying section from an outside, a storing section which stores the parameter acquired by the acquiring section, an inputting section into which the audio signal is input, an acoustic characteristic controlling section which adjusts an acoustic characteristic of the audio signal input into the inputting section based on the parameter stored in the storing section, and a supplying section which supplies the audio signal whose acoustic characteristic is adjusted by the acoustic characteristic controlling section to the connection terminal.

Abstract: An electrostatic type ultrasonic transducer of a push-pull system is constructed such that a through hole is arranged in the central portion of a fixing electrode of a circular shape. A sound wave reflecting plate is arranged on the rear face of the ultrasonic transducer and an ultrasonic wave radiated from the rear face of the ultrasonic transducer is reflected by the sound wave reflecting plate and is radiated to the front face of the ultrasonic transducer through the through hole.

Abstract: Disclosed is a wireless headset phone. The wireless headset phone includes: a body housing; at least one hinge support rotatably mounted to the body housing, for attaching the headset phone to the left or right ear of a user; an earpiece provided in the hinge support; and an ear hook connected to the hinge support to support the headset phone, the ear hook being fit around the ear of the user to enable the user to put on the headset phone.

Abstract: In a safety system and a method of operating a sensor in a safety system, the sensor transmits an electric reaction signal to a central system unit, and is also excited by the central system unit by a diagnostic and/or excitation signal as a reversible electro-mechanical system.

Abstract: A portable audio recording and playback system is provided. The portable audio recording and playback system can synchronously display the corresponding lyrics or character contents, and it also can selectively record user's voice or the mixed signal of the user's voice and a background music including music and a human voice of singer during playback. Or the volume of the human voice in the background music can be increased or decreased corresponding to that of the music and be outputted or repeatedly played with changing speech speed without the tone changed for achieving the effects of on-the-go vocal and/or music accompaniment, voice recording, and language learning with changing speech speed without the tone changed.

Abstract: A method for capturing information related to an audio signal includes broadcasting an acoustic signal capable of human perception, broadcasting an RF signal containing information related to content of the acoustic signal, receiving the acoustic signal, receiving the RF signal with a portable device, and using the portable device, storing the information related to the content of the acoustic signal. A similar method is used to capture information related to a visual display.

Abstract: Provided is a digital microphone having a power supply. In this case the power supply is configured so as to provide a P48 V phantom power.

Abstract: The invention relates to an electromechanical transducer and a method for manufacturing the transducer. The transducer includes a membrane (3), two electrodes (1, 2), the electric field between which can be controlled or measured, and a support structure (4, 5), on which the membrane (3) is arranged to vibrate interactively with the electric field. According to the invention, the support structure (4, 5) includes several support points (4, 5), which are aligned in such a way that several parallel vibrators are formed in the membrane (3).

Abstract: An invention is disclosed whereby an analog audio signal are transmitted over distances through a flexible medium using electro-optical radiation as the carrier of the audio signal. The analog audio signal is never converted into a digital mode nor is the signal ever filtered. The resultant analog sound that is delivered to the opposite end of the flexible medium is 100% modulated with a de minimus amount of signal loss due to noise. Though the best mode of this invention is it's application to guitar cords, any form of audio analog input will function within this invention, whereby a bundle of fiber optic cables that are capable of a high amount reflectivity, with or without the presence of an element that increases or facilitates luminescence, will become saturated with light which varies in intensity with the amplitude of the sound. This invention concedes that safety is a predominant factor when associating electrical energy with those products that people can be in contact therewith.

Abstract: A plurality of main amplifiers amplifies input audio signals with an adjustable gain. A first selector selects any of the input audio signals. An auxiliary amplifier receives an output of the first selector and amplifies this output with an adjustable gain. A second selector receives n outputs from the main amplifiers and selects any of the outputs. A soft switching circuit receives an output of the second selector at a first input terminal, receives an output of the auxiliary amplifier at a second input terminal, and makes the output transition gradually from one of the input terminals to the other of the input terminals. Output switches are respectively provided for the main amplifiers, an output of a corresponding main amplifier is received at a first input terminal, an output of the soft switching circuit is received at a second input terminal, and one of the outputs is selected to be outputted.

Abstract: In a folding electronic device, a pair of micro-speakers is mounted in the upper housing, and a vibrating actuator is mounted in the lower housing. Both these micro-speakers and the vibrating actuator reproduce sound. The vibrating actuator causes the lower housing and external housing to vibrate, and in particular supplements the acoustic characteristics of the micro-speakers in the low-frequency region. Furthermore, in cases where sound is reproduced using the mobile terminal device constituting this electronic device, sound is reproduced by mounting the mobile terminal device in an external housing, charging device, or cradle.

Abstract: A device suitable for use in various applications, including, for example, sound production applications and video game applications. In one non-limiting embodiment, the device comprises a sound capturing unit for generating a first signal indicative of vocal sound produced by a user and an image capturing unit for generating a second signal indicative of images of a mouth region of the user. The device also comprises a processing unit communicatively coupled to the sound capturing unit and the image capturing unit for processing the first signal and the second signal. In an example in which the device is used for sound production, the processing unit is operative for processing the first signal and the second signal to cause a sound production unit to emit sound audibly perceivable as being a modified version of the vocal sound produced by the user.

Abstract: An apparatus and methods for identifying a defect and/or an operating characteristic of a system being monitored (and/or one or more of the system's components) are described. In an embodiment, orthogonally related data monitored by two or more detectors may be fused to determine whether a component of a system is defective and/or malfunctioning. Additionally or alternatively, data from a first detector may be determined to be accurate using non-orthogonally related data outputted by a second detector. Both types of determinations may be made with minimal or no false indications, which lowers the cost of operating the system being monitored.

Abstract: The invention relates to a thin film aluminium nitride ultrasound transducer, a method of manufacture the transducer and a test component upon which a thin film aluminium nitride ultrasound transducer is deposited. The aluminium nitride film may be (002) orientated with its c-axis normal to the surface of a substrate made of glass or a composite material. The invention also includes a system for non-destructive testing wherein a pulse is emitted from an ultrasound transducer to propagate through the test component and a reflected pulse is detected by the aluminium nitride thin film ultrasound transducer. The ultrasound transducer can be integrated into engine components such as bearings.

Abstract: The invention provides, in some aspects, electronic devices with improved radiators (or “passive drivers”) comprising an elastomerically mounted mass in order to improve sound reproduction fidelity. The mass comprises a component of the device not normally used for such purpose—e.g.

Abstract: Techniques for fabricating high frequency ultrasound transducers are provided herein. In one embodiment, the fabrication includes depositing a copperclad polyimide film, a layer of epoxy on the copperclad polyimide film, and a polyvinylidene fluoride film on the epoxy. The assembly of materials are then pressed to bond the polyvinylidene fluoride film to the copperclad polyimide film and to form an assembly. The polyvinylidene fluoride film being one surface and the copperclad polyimide film being the other surface. The area behind the copperclad polyimide film surface is filled with a second epoxy, and then cured to form an epoxy plug.

Abstract: A loudspeaker includes a diaphragm, an edge, and a voice coil. The diaphragm includes a groove having a concave cross section. Also, the diaphragm is in a horizontally or vertically elongated shape. The edge is coupled to an outer circumference of the diaphragm, and has a roughly half-round shaped cross section. The voice coil is bonded to the groove. The voice coil is thicker than a depth of the groove. Also, the voice coil has a cross section in which a dimension in a direction along a plane of the diaphragm is longer than a dimension in a direction perpendicular to the plane of the diaphragm.

Abstract: An ear-hanging microphone comprising; a c-shaped hanger; a cable pole, whose first end connecting said hanger at a first end thereof; a flexible strap, whose two ends being twisted on said hanger, and the length of said flexible strap being shorter than the longest one of the diameters of said hanger; a microphone, which connecting said cable pole at a second end thereof; a stop block, which connecting said hanger at a second end thereof; a socket, which being embedded in said stop block, and said socket and said microphone being linked electrically; a pin, which being correspondingly inserted into said socket to realize electrical link; and an electrical cable, which being linked electrically with said pin. Because of the usage of the flexible strap, the usage period of the ear-hanging microphone is prolonged and the user feels more comfortable and convenienter.

Abstract: Disclosed herein is an acoustic diaphragm for converting electrical signals into mechanical signals to produce sounds. The acoustic diaphragm comprises carbon nanotubes or graphite nanofibers as major materials. Preferably, the carbon nanotubes or graphite nanofibers are included or dispersed in the acoustic diaphragm. Since the acoustic diaphragm has excellent physical properties in terms of elastic modulus, internal loss and strength, it can effectively achieve superior sound quality and high output in a particular frequency band as well as in a broad frequency band.

Abstract: A superior slim type of speaker comprises: a baffle, a hole being disposed at a center of the baffle, an vibrating system being disposed at an inner edge of the hole; a voice coil, a periphery of a bottom surface of the vibrating system being connected to a top edge of the voice coil, an outer edge of the voice coil being set a coil, the voice coil being adjacent to two sides of an outer edge of the coil, and the two sides being connected to two lead wires respectively; and a U-type iron member, a loop groove is disposed at a top periphery of the U-type iron member, two sides of the U-type iron member has two gaps respectively, and at least one side of each of the two gaps has an isolating portion; wherein when the U-type iron member is disposed at a bottom of the baffle, the voice coil is elongated to the loop groove in order to let the lead wires outwardly pass through the gaps and be upwardly fastened at a bottom surface of the baffle.

Abstract: An electronic device includes a housing, a circuit board, and a microphone array. A plurality of acoustic openings is defined in the housing. The circuit board is placed in the housing. The microphone array is placed on the circuit board for receiving external sound via the acoustic openings in the housing.

Abstract: The present invention relates to an acoustic light-emitting device (10,10?, 10?, 10??, 10??) comprising a sheet-like element (20) with a layer structure, which performs a predetermined operation in response to a signal applied thereto, at least one transducer (40), being the source of the signal by exciting bending waves to the sheet-like element (20), in that the sheet-like element (20) comprises a light-emitting device (30) with at least a first electrode layer (31), a light-emitting layer (32) and a second electrode layer (33).

Abstract: A loudspeaker (1) has a chassis (2). A movable cone body (3), a resilient suspension for guiding the movable cone body (3) with respect to the chassis (2) along a translation axis T, and an electric actuator (4) for driving the movable cone body (3) along the translation axis T, and a centering diaphragm (8). The centering diaphragm (8) and the movable cone body (3) are interconnected, at a distance D1 from the actuator support (7), by a bridging element (10), the bridging element (10) having a number of separate contact areas (10a) with the movable cone body (3) around the actuator support (7).

Abstract: A loudspeaker in which the voice coil diameter is so large that the voice coil is axially beneath the suspension roll of the surround. The surround has an overlapping suspension roll such that the inner portion of the surround is coupled to the diaphragm well inward of the bobbin. Such a transducer having greatly extended low frequency abilities by virtue of its wider, softer suspension roll enabling a much lower resonant frequency, and by virtue of its maximum sized magnet and voice coil yielding increased motor strength and power handling. Additionally, the dome diaphragm can now be vented through the portion of the dome that is beneath the surround roll, releasing the trapped back pressure below the diaphragm, thereby further lowering the resonant frequency.

Abstract: A display device includes a cabinet, a display screen, and a speaker. The display screen is accommodated in the cabinet. The display screen includes a display surface. The display surface is used for displaying video images. The speaker is accommodated in the cabinet, and used for generating sounds. The generated sounds disperse along a first direction substantially perpendicular to the display surface of the display screen.

Abstract: The present invention provides a sound outputting apparatus, including: a housing; an electro-acoustic conversion section provided in the housing and configured to acoustically reproduce and output a sound signal; an acousto-electric conversion section provided at a position of the housing at which sound acoustically reproduced by the electro-acoustic conversion section can be collected; a removing section configured to remove a component of the sound signal from an output signal to be outputted from the acousto-electric conversion section based on an acoustic transfer function between the electro-acoustic conversion section and the acousto-electric conversion section; a decision section configured to decide whether or not a predetermined operation is performed for the housing based on an output signal from the removing section; and a control section configured to control so that a predetermined process is performed based on a result of the decision by the decision section.

Abstract: A mechanically interlocked acoustic radiator/surround assembly is disclosed wherein an edge of the acoustic radiator includes a protrusion extending from and/or a depression in a surface of the acoustic radiator. An elastomeric material is formed around the protrusion and/or fills the depression forming a radiator/surround interface that is not parallel to the surface of the acoustic radiator.

Abstract: An omni directional adjustable acoustic lens is a means to adjust the Hertz range of sound So it can be acoustically set. Then the lens projects the sound in a 360 degree fashion.

Abstract: Sound signals are detected. Light signals are generated that pass through a membrane of a bubble within a trench. The sound signals cause deformations within the membrane of the bubble. The light signals are detected after the light signals have passed through the membrane. The sound signals are reconstructed from the light signals detected by the optical detector.

Abstract: An air filter apparatus and method for a land vehicle is disclosed wherein sound waves are directed onto the filter element of the filter device to dislodge particulate matter without the need to disassemble the air filter device.

Abstract: A loudspeaker unit comprising a frame (1), an acoustic panel (3), an electric exciter (5) for exciting the acoustic panel, and a tuning element (7). The panel suspends from the frame and has two substantially parallel main sides. The exciter is disposed at a first main side (13a) and comprises a stationary part and a translatable part, the translatable part being secured to the acoustic panel, the panel producing acoustic radiation upon energization of the exciter. The tuning element is disposed at a second main side (14a) and extends opposite the electric exciter and is connected to the frame. In order to facilitate the manufacture of the unit, the tuning element is provided with a mounting element (7a) extending through a passage in the acoustic panel, the stationary part of the electric exciter being mounted on the mounting element.

Abstract: A transducer of electrical oscillations to mechanical oscillations or mechanical oscillations to electrical oscillations, mainly a loudspeaker or a microphone, having in general an elongated oscillating member attached by joints to a surrounding structure in areas of points or lines of specific dynamic balance, like one end, center of mass, center of equal rotational inertia, center of percussion about a certain axis of rotation. At least one actuator is mounted in the area of these balancing points or lines. In an alternative to the preferred embodiment of the invention, the oscillating member is built to incorporate at least one cavity filled with air or a fluid different from air or having a certain degree of vacuum in it. In an alternative to the preferred embodiment of the invention the transducer is placed in a position to favor the retention of a heat exchanging fluid, other than magnetic fluid, inside the actuator.

Abstract: The present invention provides a sonic transducer comprising an outer shell, a permanent magnet disposed within the outer shell, an electromagnet disposed within the outer shell, a coil for carrying an electrical current, wherein the coil is wrapped around the electromagnet to induce vibration in the electromagnet, and an energy channeler for channeling vibration energy from the electromagnet onto a surface that is in contact with the sonic transducer, whereby the surface becomes a surface sound source that increases the effective range of the sonic transducer.

Abstract: The present invention provides an audio information support system comprising an image display device (1) which shows an image, an audio output device (2) which outputs an electromagnetic wave modulated by audio information toward any given positions in the image shown on the image display device (1), and an audio reproducing terminal (3) which receives the electromagnetic wave at the position in the image, converts it to an electric signal and reproduces sound from that electric signal, wherein audio information support can be individually realized for each of the users watching the image.

Abstract: A damper includes an outer peripheral frame (first annular part), an inner peripheral frame (second annular part) arranged on an inner side of the outer peripheral frame, and first and second arms. The first and second arms have the elasticity, and are arranged between the outer peripheral frame and the inner peripheral frame to integrate the outer peripheral frame and the inner peripheral frame. The first and second arms have plural arm parts. The plural arm parts forming the first arm frame and the plural arm parts forming the second arm are arranged with distances in a generating line direction of the outer peripheral frame and the inner peripheral frame. The first arm is positioned on a first plane surface different from a second plane surface on which the second arm is positioned.

Abstract: An acoustic transducer is disclosed, which comprises a micro fabricated, sound generating, or receiving, diaphragm, a conductive leaf cantilever actuator, and a counter electrode. In the acoustic transducer, the electrostatic attraction force between the counter electrode and the leaf cantilever due to an imposed electrical potential is utilized to generate a deflection of the diaphragm attached to said cantilever. In operation, the cantilever collapses on to the counter electrode, causing a significant increase in actuator driving force due to the reduction, and partial elimination, of the air gap in the transducer.

Abstract: A piezo-electric speaker ensures a uniform sound in a broad band and can easily reproduce a signal of large amplitude or sound. A piezo-electric speaker has a piezo-electric member to generate a vibration according to an electric signal applied thereto. A piezo-electric vibration plate converts the vibration to a sound. The piezo-electric vibration plate is positioned closely to the piezo-electric member. The piezo-electric vibration plate is divided into parts of any configuration and is connected to the piezo-electric member.

Abstract: A wearable audio interface includes a support for positioning the plurality of speakers juxtaposed to and spaced from the ears of a wearer. The audio device can include wireless networking electronics so as to allow the device to interact with other wireless network devices.

Abstract: A speaker apparatus includes a speaker unit, a passive radiator unit, and a front baffle on which the speaker unit and the passive radiator unit are mounted to form a portion of a speaker box and a back plate. A closed front chamber is formed by the front baffle for coupling the sound output generated from the back of the speaker unit with the passive radiator unit. A closed rear chamber is formed by the front baffle and the back plate for confining sound output generated from the front of the speaker unit. The speaker unit is disposed in a direction opposite to the direction of passive radiator unit, or in a direction approximately opposite.

Abstract: Conventional analog loudspeakers have a limited dynamic range as compared to the available dynamic range of digital recordings. Digital recordings use up to 24 bits and this implies a dynamic range of 141 dB. Digital loudspeakers, involving 2N single bit devices (with N=24, this number is 1.7×107) have been proposed. The present improvement is the provision of at least one loudspeaker, a plurality of analog drivers and the audio input supplied to a control processor which in turn drives one or more of the plurality of independent analog drivers. The number of drivers in operation at any one time is determined by the amplitude of the input audio signal to the control processor.