Electrical audio signal processing systems and devices inventions 12/05

20050286725 - Pseudo-stereo signal making apparatus: To permit listeners to hear pseudo-stereo sounds with significantly reduced unpleasantness, an input signal xo(t) obtained by digitizing a monaural analog input signal S0 and partitioning the resultant digital signal for each one frame of a predetermined period of time is inputted to a sound source separation section. A sound...

20050286724 - Sound image localization apparatus: A sound localization apparatus capable of localizing a sound image at a given position, in a simple configuration is provided with: a first signal processor for convoluting an input audio signal with a first impulse response corresponding to a path from a reference sound source position to the listener's left...

20050286726 - Sound image localization apparatus: Multiple independent sound images are formed by integrally performing uncorrelation processing and sound image localization processing on an input audio signal with signal processors that use output functions hl(x) and hr(x) obtained by integrating an uncorrelation function that generate multiple audio signals with low mutual correlation from an input audio...

20050286727 - Apparatus for expanding sound image upward: An apparatus for expanding a sound image upward includes a left-channel phase delay circuit for correcting phases and amplitudes of components of an input left-channel audio signal which are in a predetermined high-frequency range to generate a corrected left-channel audio signal. A right-channel phase delay circuit operates for correcting phases...

20050286728 - System and method of generating an audio signal: A method of generating an audio signal comprises receiving a plurality of input audio signals from a plurality of microphones forming a microphone array, the plurality of input audio signals being representative of a set of sound sources within the auditory field of view of the microphone array at a...

20050286729 - Flat speaker with a flat membrane diaphragm: A flat loudspeaker having a back plate, a driver responsive to an electrical signal, an enhancer having a neck and a mouth, the neck attached to the driver and movable in accordance with the movement of the driver, a thin film membrane, the membrane attached to the enhancer, the membrane...

20050286730 - Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges: A speaker system includes a first, second and third sound radiators with the second sound radiator positioned medially between the first and third sound radiators. The radiators project first, second and third sound vectors respectively, with the second sound vector oriented vertically and the first and third sound vectors directed...

20050286732 - Battery compartment for a hearing aid: A battery compartment for a hearing aid. The battery compartment comprises a first portion for accommodating a battery and a second portion, where the second portion comprises at least one retaining element for securing the position of the battery compartment with respect to a housing of said hearing aid. The...

20050286731 - Inconspicuous semi-permanent hearing device: A semi-permanent hearing device is disclosed which is adapted to be completely positioned within the ear canal of an individual for long-term use. The device comprises a sealing retainer substantially positioned in the bony region of the ear canal and a core assembly including a receiver assembly coaxially positioned within...

20050286733 - Integrated loudspeaker and acoustic treatment system: A loudspeaker and acoustic treatment system including at least one loudspeaker physically incorporated into at least one acoustic treatment panel, and dispersion pattern control means preset in a standard configuration....

20050286734 - Nasal bone conduction wireless communication transmitting device: The nasal bone conduction wireless communication transmitting device of the present invention comprises a bone conduction inputting device; a wireless communication transmitting device electrically connected to the bone conduction inputting device; a bone conduction outputting device having a second oscillator; and a carrier device for supporting those abovementioned devices. The...

20050286735 - Speaker grill: A speaker grille disposed in front of a speaker having a diaphragm and reproducing the sounds of 1 kHz and higher. The speaker grille is provided with a sound opening which includes a line that opposes to a region extending from the edge portion of a diaphragm to the fixing...

20050281408 - Apparatus and method of reproducing a 7.1 channel sound: A method and an apparatus to reproduce a 7.1 channel encoded sound through a 5.1 channel speaker system are provided. The apparatus includes a decoder to separate a 7.1 channel audio bitstream into 8 channel audio signals, a signal corrector to correct characteristics of a left channel audio signal, a...

20050281409 - Multi-channel audio system: The invention provides a multi-channel audio system which creates a multi-channel surround environment by outputting a front signal, a surround signal and a surround back signal. The system has surround speakers each including a surround speaker unit for outputting sound corresponding to the surround signal and a surround back speaker...

20050281411 - Binaural horizontal perspective display: The present invention display system discloses a three dimension display system comprising a three dimensional horizontal perspective display and a 3-D audio system such as binaural simulation to lend realism to the three dimensional display. The three dimensional display system can futher comprise a second display, together with a curvilinear...

20050281410 - Processing audio data: An exemplary embodiment is a method of processing audio data comprising: characterising an audio data representative of a recorded sound scene into a set of sound sources occupying positions within a time and space reference frame; analysing the sound sources; and generating a modified audio data representing sound captured from...

20050281412 - Voice prosthesis with neural interface: A voice prosthesis includes a voice actuator for generating a signal to be modulated into speech and a neural interface for receiving a signal indicative of neural activity. A signal processing system in communication with both the neural interface and the voice actuator is configured to provide the voice actuator...

20050281413 - Parametric audio system for operation in a saturated air medium: A parametric loudspeaker system and method for reducing distortion in a decoupled audio wave by creating a double sideband parametric ultrasonic signal that substantially approximates a non-square-rooted modulation envelope and emitting a parametric ultrasonic wave that corresponds to the double sideband parametric ultrasonic signal from a parametric loudspeaker at a...

20050281414 - Method and apparatus for control of personal digital media devices using a vehicle audio system: A system and method for controlling a personal digital media device is provided, the system and method using the controls of a vehicle audio system. An interface unit receives and translates vehicle audio system control signals and forwards the translated signals in a form interpretable by the personal digital media...

20050281415 - Microphone array processing system for noisy multipath environments: Apparatus and a corresponding method for processing speech signals in a noisy reverberant environment, such as an automobile. An array of microphones (10) receives speech signals from a relatively fixed source (12) and noise signals from multiple sources (32) reverberated over multiple paths. One of the microphones is designated a...

20050281416 - Infra bass: To improve the aural sensation from an input signal of an audio reproduction system a bandwidth extension device can be used. The bandwidth extension device includes a first and a second signal path and an analyzer for selecting the created signal which fits most for the current input signal....

20050281417 - Media device: A media device for use with a television or home theatre is presented. The media device mixes audio and video signals such as conventional television media, telephone signals, remote camera signals, computer media signals, recorded signals and video conferencing signals and provides the mixed signals via the television or home...

20050281418 - Peak-limiting mixer for multiple audio tracks: A method for processing audio signal that includes receiving a plurality of digital audio signals and calculating signal levels of them. The next step is calculating smooth attenuation signal for each one of the input audio signals. The smooth attenuation signals are calculated according to the signal levels and smoothing...

20050281420 - Ultrasonic speaker and projector: An ultrasonic speaker including: a vibration film having a conductive layer; a pair of fixed electrodes provided oppositely to respective surfaces of the vibration film; and an ultrasonic transducer that causes the vibration film to generate sound waves by applying a DC bias voltage to the conductive layer of the...

20050281419 - Ultrasonic transducer, ultrasonic speaker, and method of controlling the driving of ultrasonic transducer: An electrostatic ultrasonic transducer includes a diaphragm having a conducting layer and a pair of first and second fixed electrodes opposed to the corresponding surfaces of the diaphragm, the pair of fixed electrodes having a plurality of through holes in corresponding positions, wherein a DC bias voltage is applied to...

20050281421 - First person acoustic environment system and method: An in-ear monitoring system transmits right- and left-channel audio data for one or more in-ear playback devices to create a first person acoustic environment for one or more third persons....

20050281423 - In-ear monitoring system and method: An in-ear monitor system facilitates stereo depth perception using microphones at each ear, minimizes occlusion effects, and provides a digital platform for both audio digital signal processing and wireless transmission....

20050281422 - In-ear monitoring system and method with bidirectional channel: An in-ear monitor assembly includes an internal microphone to facilitate a bidirectional voice communication channel....

20050281424 - Hearing aid or hearing aid system with an operating device: The operation of a hearing aid (10) or bearing aid system (10, 11) is to be improved. It is proposed here that the acoustic auditory environment in which the hearing aid (10) or hearing aid system (10, 11) is found is analyzed and one of the adjustment functions dependent on...

20050281425 - Apparatus and methods for increasing magnetic field in an audio device: An audio device is provided that is in electrical communication with a magnetic coil for the purpose of increasing magnetic field emissions generated by the device. The magnetic coil may be disposed on a flexible substrate in multi-turn and multi-layer format or disposed on a foldable flexible substrate in multi-turn...

20050281426 - Portable sound system, apparatus, and method: A portable sound unit is shown having a central case and one or more speakers. Each speaker has tongue rails around a portion of its circumference. The central case includes an openable lid permitting access to sound equipment contained within the central case. The central case has openings at either...

20050281427 - Personal communication system: A personal wearable communication and speaker entertainment system which provides improved quality audio response and which does not interfere with the wearer's activities or block environmental sounds is disclosed. The speaker system is connected to or in communication with a conventional source of audio signals, such as radio, tape player,...

20050281428 - Auxiliary playpen speaker: A portable auxiliary speaker for a playpen or a crib comprising a housing incorporating a loudspeaker, the housing being adapted to receive at least a portion of a framework of a crib or a playpen to mount the housing to the crib or the playpen, wherein the housing includes an...

20050281429 - Loudspeaker grille: A releasable loudspeaker grille is described that can be attached and removed from a loudspeaker without the use of tools. The grille flexes so that it can form, for example, static convex and concave states. When the grille is in the convex state, a plurality of tabs attached to the...

20050281430 - Speaker device: A speaker device includes a connecting member having a groove supporting an inner peripheral edge portion of a diaphragm. The groove is formed at an area in the vicinity of an upper end of an outer peripheral wall of a cylindrical portion, and is formed on the outer peripheral wall...

20050281431 - Speaker device and method of manufacturing the speaker device: The speaker device has the pot type yoke and a frame. The pot type yoke has a body part and a bottom part, and is formed by connecting them. The body part has a flange part and projecting portions. Such a pot type yoke is made by connecting one inner...

20050281432 - Speaker device: The speaker device includes the magnetic circuit system having an annular plate and magnetic fluid, and a vibration system having a voice coil bobbin and a voice coil. When the speaker device is not driven, the voice coil is located at a predetermined stationary position within the magnetic gap filled...

20050281433 - Loudspeaker diaphragm: A loudspeaker diaphragm made by preparing a fabric from a hybrid yarn, wherein the hybrid yarn includes a matrix component and a reinforcement component. The matrix component may include a first material selected from a group consisting of a polyamide, a polyphenylene sulfide, and a polyetheretherketone, and the reinforcement component...

20050276419 - Sound source localization based on binaural signals: Techniques are disclosed for sound source localization based on joint learning and evaluation of ITD and ILD representations that are measured in a complementary, correlation-based way using binaural time-frequency spectrums. According to one embodiment, from these measurements and learned representatives, which may, for example, be created by combinations of measurements...

20050276420 - Audio channel spatial translation: Using an M:N variable matrix, M audio input signals, each associated with a direction, are translated to N audio output signals, each associated with a direction, wherein N is larger than M, M is two or more and N is a positive integer equal to three or more. The variable...

20050276422 - Integral active noise cancellation section: Active noise cancellation apparatus comprising a plenum through which a sound travels, and a noise cancellation unit located within the plenum the noise cancellation unit comprising an apparatus for receiving the sound, an apparatus for receiving a cancelled sound signal, an apparatus for converting the received sound and the cancelled...

20050276421 - Noise reduction headset: An active noise reduction headset with active noise reduction and talk-through, and switching circuitry related thereto....

20050276423 - Method and device for receiving and treating audiosignals in surroundings affected by noise: In order to record and to process audio signals with a good useful-signal to noise-signal ratio in acoustic noise conditions and with a good ratio between the direct sound and the reflected sound in an environment which in particular has no reverberation electrical signals produced by conversion of audio signals...

20050276424 - Computer speaker beep routing: A computer comprising an internal chassis speaker; an external chassis speaker; and a routing circuit that routes a speaker beep signal generated by the computer to the external chassis speaker and to the internal chassis speaker through a volume control circuit responsive to an external control signal....

20050276426 - Information processing apparatus, volume control method, recording medium, and program: An information processing apparatus is connected to a sound output device for outputting sound based on digital audio data. The information processing apparatus includes the following elements. A first receiver receives setting data for setting a volume of sound output from the sound output device, the volume being set by...

20050276425 - System and method for adjusting an audio signal: Disclosed is a system and method of adjusting an audio signal for a communication device. The method comprises: identifying a characteristic associated with the signal and identifying its quality threshold; identifying a first set of adjustment parameters for the signal when the threshold is exceeded; and identifying a second set...

20050276427 - Transparent panel-form loudspeaker: A transparent panel-form loudspeaker consists of a transparent sound radiation panel that can radiate sound with desired pressure level over a specific frequency range when subjected to the flexural vibration induced by a preselected number of transducers located at specific positions on the peripheral edge of the transparent sound radiation...

20050276428 - Dynamic microphone: Leakage flux is reduced particularly in a magnetic gap of a magnetic circuit to improve the sensitivity of a dynamic microphone. A dynamic microphone including a magnetic circuit unit 20 including a center pole piece 22 connected to one pole of a first permanent magnet 21 and a yoke 23...

20050276429 - Electret condenser microphone: A condenser microphone having a housing, a diaphragm assembly and backplate located within the housing. A spacer isolates the diaphragm assembly from the housing and spaces the diaphragm assembly from the backplate. The spacer has a first portion disposed between the backplate and the diaphragm assembly, and a second portion...

20050276430 - Fast headphone virtualization: Fast headphone virtualization techniques reduces the computational expense of providing multi-channel audio virtualization (which may also include reflection and reverberation effects) on headphones. First, the number of inverse Fast Fourier Transforms (FFT) involved in an FFT-based FIR filter headphone virtualization approach is reduced by summing the contributions of N-channels in...

20050276431 - Top-loading folded corner horn: A low frequency exponential horn enclosure intended for corner use with access to the horn throat and entire volume of the back chamber from the top of the enclosure, allowing operation as either a front or back loaded horn. The horn is bifurcated at the throat and folds horizontally around...

20050276432 - Horn loudspeaker: A horn loudspeaker includes a horn housing having a top wall, an inner surrounding wall that extends downwardly from the top wall, a bottom wall that extends laterally and outwardly from the inner surrounding wall, and an outer surrounding wall that extends upwardly from the bottom wall. A cover has...

20050276434 - Dynamic exciter and loudspeaker using the same: A dynamic exciter includes a frame, a magnetic circuit assembly, which includes a permanent magnet and a yoke and through which a magnetic circuit generated by the permanent magnet extends, and an electromagnetic coil positioned across a magnetic gap formed in the magnetic circuit assembly. A first suspension member supportingly...

20050276433 - Magnetic assembly for a transducer: A transducer suitable for use as a microphone or receiver in a hearing aid has a housing and a diaphragm disposed within the housing. A motor assembly is also disposed within the housing and operatively coupled to the diaphragm. The motor assembly includes a magnet assembly having a magnetic yoke...

20050276435 - Speaker device: A speaker device includes a terminal member, a connecting member, a conductive damper and a voice coil. The terminal member has a first connecting part, a slit, a hole, a second connecting part and a fixing part. The connecting member has a projecting portion on a bent portion and a...

20050276436 - Speaker device: A speaker device includes speaker units for reproducing high- and low-frequency sound, a frame having a guide structure formed thereat, a relay wire drawn from a voice coil in the speaker unit for reproducing high-frequency sound, a relay wire for the speaker unit for reproducing low-frequency sound, and a terminal...

20050276437 - Speaker device and method of fabricating the same: A speaker device is provided, in which a tinsel wire is prevented from falling, while the efficiency of an operation of soldering the tinsel wire is improved. A speaker device includes a tinsel wire having one end being connected to a voice coil within a frame and the other end...

20050276438 - Speaker device and method of manufacturing the speaker device: A speaker device includes a magnetic circuit system having a resin frame and a plate. The frame holds the magnetic circuit system, and has a step portion, a hole portion, a recess portion and a slit. The step portion is formed on an inner surface of a peripheral edge portion...

20050271213 - Apparatus and method of reproducing wide stereo sound: An apparatus and a method of reproducing a wide stereo sound by widening a stereo sound output by an audio reproducing apparatus using only two closely disposed channel speakers include a widening filtering operation and a direct filtering operation. In the widening filtering operation, virtual sound sources for arbitrary locations...

20050271214 - Apparatus and method of reproducing wide stereo sound: An apparatus and a method of reproducing a wide stereo sound by widening a stereo sound output by an audio reproducing apparatus using only two closely disposed channel speakers include a widening filtering operation and a direct filtering operation. In the widening filtering operation, virtual sound sources for arbitrary locations...

20050271212 - Sound source spatialization system: The present invention relates to an enhanced-performance sound source spatialization system used in particular to produce a spatialization system compatible with an integrated modular avionics type system. It comprises a filter database comprising a set of head-related transfer functions specific to the listener, a data presentation processor receiving information from...

20050271215 - Audio signal processing: An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and processing the frequency bands according to processes which may...

20050271216 - Method and apparatus for loudspeaker equalization: A method, apparatus and system are disclosed herein for loudspeaker equalization. In one embodiment, the system comprises an input for receiving samples of an input signal, a pre-compensator to produce a pre-compensated output in response to the samples of an input signal, parameters of a loudspeaker model, and previously predistorted...

20050271217 - Electronic earplug for monitoring and reducing wideband noise at the tympanic membrane: An electronic earplug for wideband control of pressures at the tympanic membrane is presented. A unique methodology of determining effective component placement inside an earplug that provides acoustic isolation between the ambient noise and tympanic membrane is explained. Methods for providing accurate dosimetry and improved active control result from the...

20050271218 - Palm type dolby decoding earphone device: A palm type Dolby decoding earphone device comprises a Dolby decoder device having a sound effect input end; a sound effect output end; the sound effect input end having a digital optical fiber signal wire and an optical fiber input joint for connecting an external electronic device so that the...

20050271219 - Audio system with balance setting based on information addresses: An audio system for a vehicle that includes a system for allowing an occupant of the vehicle to adjust a balance setting of each audio source (116). The audio system includes a plurality of audio sources (102) that are connected to an amplifier (104). The amplifier is connected to a...

20050271221 - Airborne collection of acoustic data using an unmanned aerial vehicle: An acoustic data collection system that uses an antenna array aboard a powered unmanned and remotely controlled parafoil. The antenna array has multiple microphone elements, whose outputs are combined to provide directionality to the data acquisition....

20050271220 - Virtual microphones in electronic conferencing systems: Disclosed herein are electronic conferencing systems that support audio conversations between local and remote participants. Further disclosed herein are methods for combining several microphones to form virtual microphones and conference pods that utilize those methods. Detailed information on various example embodiments of the inventions are provided in the Detailed Description...

20050271222 - Frequency shifter for use in adaptive feedback cancellers for hearing aids: A decorrelation method for improving feedback cancellation utilizes a small frequency shifting ratio, on the order of 0.3 percent. Frequency shifting is applied only to the high frequency portion of the signal, which is shifted alternately upward and downward....

20050271223 - Audio signal reproducing method and reproducing apparatus: A reproducing apparatus for an audio signal includes a number of digital filters, each supplied with an audio signal, and a speaker array in a configuration in which speakers are specially arranged. Outputs of the digital filters are delivered to the speakers. Predetermined delay times are respectively set at the...

20050271224 - Apparatus and method for adjusting sound volume for televisions and other audio systems: An apparatus for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system, an audio processor (104), a circuit (102) for adjusting sound volume, and a communication port (103). The controller controls the amplification of the amplifier through the communication...

20050271225 - Audio preview apparatus for display articles: An audio preview apparatus for display articles adopted for use on a display rack to display articles and provide trial hearing of buzz effect. It includes a host box which contains an audio IC or buzzer and a speaker, and a connector located outside the host box to connect to...

20050271226 - Speaker: The present invention relates to a loudspeaker, which is used in a mobile communication device such as a portable phone and includes two loudspeakers in one casing, and provides the loudspeaker having stable characteristics (e.g., a sound-pressure frequency characteristic). According to the loudspeaker of the present invention, yoke (3A) is...

20050271227 - Speaker system for picture receiver and speaker installing method: A speaker system for a picture receiver provides for lessening of the casing width of the picture receiver while assuring highly uniform acoustic characteristic at listening points in a sufficiently broad range. The speaker system for picture receiver and its speaker installing method comprises a first speaker for reproducing medium...

20050271228 - Handheld device with hearing aid function: The present invention discloses a handheld device using a sound receiver, such as a mobile phone to receive a sound in the surrounding within an appropriate range, and after the sound volume is amplified appropriately, a source playback device such as an earphone is used to play the amplified sound,...

20050271229 - Hearing aid with cerumen protection: The cleaning and exchange of components of the hearing aid which is necessary at regular intervals due to the conventional contamination is uncomfortable and expensive. The housing (G) and any protective devices (K) which are to protect from contamination, are provided with a dirt-resistant layer. In this way, the dirt...

20050271230 - Array speaker apparatus with projection screen: An array speaker apparatus with a projection screen adapted so that sound image localization of sound of the center channel is located at the center of the projection screen, includes an array speaker body constituted by plural speaker units and a projection screen for displaying a projected image. The respective...

20050271231 - Audio recordation and reproduction spring clips: Audio recordation and reproduction spring clips of various configurations are disclosed. The clips are adapted to quickly, securely, resiliently, biasedly, and removably attach audio messages to documents, folders, papers, etc., as well as bind objects, such as documents, together....

20050271232 - Speaker module and appratus using this: A first diaphragm and a second diaphragm are acoustically coupled with each other as a part of a wall forming a hermetic space with a panel. A light emitting section emits light to the panel, and the panel transmits the light to a side of the second diaphragm. A speaker...

20050271233 - Wind shield and microphone: A pop reduction filter can be properly replaced with a simple operation according to the use of a microphone. A wind shield including a shield body 20 made of an open-cell foam with a microphone insertion hole 30, the wind shield being directly put on a microphone M through the...

20050271234 - Headset having an attachment element for attaching an ear hook to a holding ring: A headset which consists of an ear hook and a holding ring that are interconnected by means of an attachment element formed by a hinge, which is made of a deformable, flexible material that may be an elastomer, such as EPOM, TPE or Santroprene®The hinge has a four-sided hole in...

20050271235 - Sound signal wire and process for enhancing rigidity thereof: A sound signal wire that has higher rigidity to prevent roping effect from reducing sound quality during vibration within a speaker frame, and/or also has a higher flexibility and tensile strength to make the vibrated sound signal wire more durable for use with a speaker for transmitting sound signals is...

20050271236 - Coaxial speaker device and manufacturing method thereof: A speaker device includes speaker units for high-frequency band reproduction and for low-frequency band reproduction and a supporting member. fixed to an opening of a center pole of the speaker unit for low-frequency band reproduction, serves as a lower frame of the speaker unit for low-frequency band reproduction, and has...

20050271237 - Speaker having improved sound-radiating function to both directions: A speaker having an improved sound-radiating function to both directions is provided. The speaker includes a magnetic circuit unit, a voice coil, and an auxiliary vibrating plate and a primary vibrating plate sequentially arranged from a forward direction. The voice coil vibrates toward a backward direction and a forward direction...

20050271238 - Resin frame, speaker unit and speaker device: A speaker device is coaxial type two-way speaker, and includes speaker units for low-frequency band reproduction and for high-frequency band reproduction respectively. The speaker unit for low-frequency band reproduction includes a vibration system such as a resin frame and a magnetic circuit system such as a yoke. The resin frame...

20050271239 - Speaker device: In a speaker device, each inner peripheral edge portion of a conductive damper and an ordinary damper is fixed to an area in the vicinity of a lower end of a cylindrical portion of a connecting member, and each outer peripheral edge portion of them is fixed to a support...

20050271240 - Speaker device and method of manufacturing the speaker device: It is an object of the present invention to provide a speaker device equipped with a damper having an improved durability. Namely, the speaker device is equipped with a damper containing aramid fiber. An adhesive material is interposed between the damper and a frame. A perimeter edge portion of the...

20050271241 - Speaker device: A connecting member has a radiation structure. Concretely, plural openings are formed on a cylindrical portion of the connecting member. When a voice coil bobbin moves to a sound emitting side, a portion of the air in a space between a diaphragm and a conductive damper is inhaled to a...

20050271242 - Speaker: The present invention is to provide a solution to reduce temperature increase of a voice coil. A vibrating portion includes a voice coil, a tubular voice coil bobbin, and a diaphragm. A magnetic circuit includes an annular top plate, an annular magnet bonded to a lower surface of the top...

20050271243 - Speaker apparatus: A speaker includes a speaker unit, a case, and a vibration absorber. The case includes an outer case for enclosing the speaker unit. The outer case is formed of a closed end tube, having an outer bottom plate and an outer cylindrical wall extending from a periphery of the outer...

20050271244 - Resin frame, resin grille and speaker device: A speaker device includes a resin frame and a resin grille mounted thereto. In the resin frame and the resin grille, engaging claws that engage with each other are formed, respectively. An inclined surface is formed on at least one of the engaging claws of the resin frame and the...

20050265558 - Method and circuit for enhancement of stereo audio reproduction: Some embodiments of the present invention relate to a method and a circuit for processing an audio signal. In accordance with some embodiments of the present invention, there is provided an audio processing circuit including a first signal path, a second signal path and an output adder. The first signal...

20050265557 - Sound image localization apparatus and method and recording medium: A sound image localization apparatus for localizing a reproduced sound image at a sound source position convolutes an impulse response through each path from an optional position of localization of a sound source to the left and right ears of the listener into an audio signal to generate an audio...

20050265559 - Sound-field correcting apparatus and method therefor: A sound-field correcting apparatus includes a sound-field correcting unit for executing, based on correcting information, predetermined audio signal processing for correcting a sound field, an information acquiring unit for acquiring the correcting information on each sound source position, a designating unit for designating, in a predetermined space range including the...

20050265560 - Indoor communication system for a vehicular cabin: A system automatically determines an equalizing filter characteristic for a communication system within a vehicle. The communication system includes a loudspeaker and a microphone or microphone array. The system transmits a predetermined test signal through the loudspeaker and receive the test signal through the microphone or microphone array. Based on...

20050265561 - Method and apparatus to generate harmonics in speaker reproducing system: A method and apparatus to generate harmonics. The method of generating the harmonics includes selecting a first coefficient and a second coefficient according to a result of comparing a level of an input frequency signal and a level of a feedback signal, adding a result of multiplying the level of...

20050265563 - Method for analyzing an acoustical environment and a system to do so: Acoustical signals are registered at two locations to generate two electric signals. Based on the electric signals, the distance from one of the locations to the source of the acoustical signal is calculated to generate a distance signal. The distance signal is amplitude filtered to generate a patterned distance signal....

20050265562 - System and process for locating a speaker using 360 degree sound source localization: A system and process is described for estimating the location of a speaker using signals output by a microphone array characterized by multiple pairs of audio sensors. The location of a speaker is estimated by first determining whether the signal data contains human speech components and filtering out noise attributable...

20050265564 - Adapter connectable between audio amplifier and transmitter for cordless speaker: An adaptor is connectable between a signal processor and a transmission module. The signal processor has three audio channels for feeding respectively a first audio signal, a second audio signal, and a third audio signal having a frequency range lower than a frequency range of the first and second audio...

20050265565 - Information processing apparatus: The present invention provides an information processing apparatus including an incorporated audio output section and a connector with a terminal section of an audio output device as an external device connected thereto, and a source of audio output is switched between the audio output section and the audio output device...

20050265566 - Motorcycle with acoustic system: To enable a regenerated sound in the high-note range to sufficiently reach an ear of an operator (rider) during travel. A meter display unit is provided for displaying drive information such as a vehicle speed or a travel distance. Left and right speakers are disposed on both sides of the...

20050265567 - Speaker clearance arrangement for a communication device: Disclosed is an enclosure for a speaker for a communication device. The enclosure comprises: a surface; a speaker grill located in the surface, the grill having an opening therein providing an air channel to the speaker; and at least one structure located in a first region in the surface and...

20050265568 - Method and apparatus for a hearing assistance system with adaptive bulk delay: A hearing assistance system having adjustable bulk delay for cancellation of a time varying acoustic feedback path. The hearing assistance system including an FIR filter, coefficient update module, and delay rules module for programmable adaptive filtering. The hearing assistance system adjustable for continuous bulk delay adjustments. The hearing assistance system...

20050265569 - Compact portable media reproduction system: A portable media reproduction system preferably includes a housing with an attached docking component for receiving a portable media player, the docking component being recessed into the housing when in a closed position such that the first side forms a uniformly substantially flat surface. A latch is provided for holding...

20050265570 - Method to generate a plane acoustic wave front, a plane wave channel, a loudspeaker construction and a linear loudspeaker array: A method and a loudspeaker construction (10), in which loudspeaker construction spherical acoustic wave fronts emitted by the diaphragms (12) of speaker elements (11) are transformed into a uniform, planar acoustic wave front. The loudspeaker construction (10) comprises a plane wave channel (20), in the surface (26) of which plane...

20050265571 - Method of detecting and deterring microphone sabotage: A protective grommet for a microphone has an enclosure with an internal cavity. The internal cavity is dimensioned to receive an input end of the microphone therein. A membrane, particularly a mesh, and more particularly a wire mesh, and more particularly a stainless steel wire mesh, is embedded into the...

20050265572 - Earphone jack: An earphone jack includes an insulative housing and conductive first, second and third contact members. The insulative housing has opposite front and rear ends, and is formed with a plug insertion hole that extends from the front end to the rear end. The plug insertion hole has front and rear...

20050265573 - Fix mounted earphone jack: An earphone jack, comprising an attachment assembly including a pin connector for insertion into an earpiece receptacle of a mobile unit, a cord, a portion of the cord being molded to the attachment assembly, the cord being conductively connected to the pin connector and an earphone connecter coupled to the...

20050265574 - Display cover for a communication device: A cover for a display device for a communication device is provided. The cover comprises: external dimensions shaped to fit said cover in a case for said communication device; a top surface; a bottom surface; a non-opaque region adapted to cover said display device allowing a user to see said...