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Electrical audio signal processing systems and devices July category listing 07/06

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
07/27/2006 > 17 patent applications in 15 patent subcategories. category listing

20060165237 - Methods for improved performance of prediction based multi-channel reconstruction: For a multi-channel reconstruction of audio signals based on at least one base channel, an energy measure is used for compensating energy losses due to an predictive upmix. The energy measure can be applied in the encoder or the decoder. Furthermore, a decorrelated signal is added to output channels generated...

20060165238 - Method for coding and decoding the wideness of a sound source in an audio scene: A parametric description describing the wideness of a non-point sound source is generated and linked with the audio signal of said sound source. A presentation of said non-point sound source by multiple decorrelated point sound sources at different positions is defined. Different diffuseness algorithms are applied for ensuring a decorrelation...

20060165239 - Method for determining acoustic features of acoustic signals for the analysis of unknown acoustic signals and for modifying sound generation: The invention relates to a method of determining acoustic features of sound signals indicating the presence or absence of a property of the sound signal or sound generator, it also relates to the use of the result of this determination of features for analysing unknown sound signals as to the...

20060165240 - Methods and apparatus for use in sound modification: A digitised audio signal, such as an amateur's singing, and a digital guide audio signal are supplied to a time alignment process that produces a time-aligned new signal, time-aligned to the guide signal. Pitch along the time-aligned new signal and along the guide signal is measured in processes and which...

20060165241 - Electro-acoustic device for creating patterns of particulate matter: An electro-acoustic device for creating patterns of particulate matter comprises a housing (2) one end of which is closed and the other end of which is open, a diaphragm (10) extending across the housing (2) at or adjacent the open end of the housing to define and close a hollow...

20060165242 - Sound reinforcement system: A sound reinforcement system which enables handsfree and high-quality sound reinforcement without requiring a person who is speaking to move to a microphone or move a microphone. At least one microphone and a plurality of speakers are arranged in a room. A speaker output adjusting section outputs sound picked up...

20060165243 - Wireless headset apparatus and operation method thereof: Disclosed is a wireless headset apparatus and an operation method thereof. A separate earphone is connected to a wireless headset so that the user can listen to a voice through both the earphone and a built-in speaker included in the wireless headset. When the connected earphone includes a microphone, the...

20060165244 - Computer system for switching audio outputs and method thereof: A computer system for switching audio outputs and a method thereof are provided. The computer system includes a host, a speaker, an earphone, and a switch controller for selectively switching one of the speaker and the earphone to electrically connect to an audio port of the host. The switch controller...

20060165245 - Installation for controlling aids for public functions: The invention provides an installation for controlling aids (8, 9, 10, 12) for public functions, in particular sound irradiation and/or illumination systems. The installation comprises a control unit. At least one mobile object, in particular an (audio) signal source, as well as one or more aids to be controlled, can...

20060165246 - Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby: The present invention relates to a subminiature bone conduction speaker by using a vibrating plate and a mobile phone having the subminiature bone conduction speaker. A subminiature bone conduction speaker using a vibrating plate according to the present invention comprises a body having a shape of a cylinder of which...

20060165247 - Ambient and direct surround sound system: Sound reproduction according to the present disclosure integrates an additional sound field, direct surround sound, to existing diffuse or ambient surround sound systems. Direct surround sound permits point source sounds to be located in an ambient or diffuse surround field and or to be moved within the surround field with...

20060165248 - Prefabricated speaker enclosure assembly: A method of assembling a prefabricated speaker enclosure and an assembly including left and right side panels, top, front, bottom, and rear panels each having an inner surface with a left channel configured to receive the left side panel and a right channel configured to receive the right side panel,...

20060165249 - Electroacoustic transducer: A small earphone or headphone which can produce a wide band acoustic output from a low-pitched tone to a high-pitched tone and can generate a body-sensitive vibration independent output or a body-sensitive vibration output synchronized with a music. The earphone or headphone is mounting a vibration actuator which is provided...

20060165250 - Meridian rotating acoustic mounts: The “Double Meridian Rotating Acoustic Mounts” is made up of several major components; two chanalized polygonal shapes or rings and several pegs are placed on opposites sides of the mechanism. When complete it bears the accompaniment of a speaker unit. The mounts are currently being used in the industry today...

20060165251 - Magnet assembly for loudspeakers: A magnet assembly having inner and outer yokes of magnetic flux conductive material which together define an annular air gap and a radially oriented magnet sandwiched between the inner and outer yokes such that a first face of a first magnetic polarity contacts the inner yoke and a second face...

20060165252 - Speaker vibrating member: Speaker vibration members that can generate negative ions are provided. The present invention is characterized in that the fabric material for making vibrating member of loud speaker, such as spider, diaphragm, or baffle gasket, are enriched in negative ions solution before press forming into respective shapes and structures. When the...

20060165253 - Drum paper of loudspeaker covered with metallic layer: Disclosed is a drum paper of loudspeaker covered with metallic layer. The drum paper is comprised of a conic base layer made by non-woven fabric or woven fiber, and a metal-covered layer coated on the base layer. The drum paper is provided with an outer circumference extended outwardly to form...

  
07/20/2006 > 28 patent applications in 21 patent subcategories. category listing

20060159274 - Apparatus, method and program utilyzing sound-image localization for distributing audio secret information: An apparatus utilizing sound-image localization for distributing/sharing audio secret information is provided, the apparatus comprises: a first signal processor for distributing/sharing at lest one target sound as secret information into a plurality of stereo media, wherein the distribution is performed such that the sound-image of the target is shifted from...

20060159276 - Audio system: The designation of a localization position is received in accordance with an input position on a dashboard image in a localization-position reception window, and delay times for audio signals supplied to respective speakers are set so that the sound image is localized at the received localization position. The position where...

20060159275 - Loudspeaker apparatus: A loudspeaker apparatus has an improved reproduction characteristic of signals of small sound volumes. The loudspeaker apparatus includes a small-signal loudspeaker unit operable to output first signals in the range of a predetermined level or below of the input audio signals, with a characteristic in which the linearity of output...

20060159277 - Distortion device: The invention provides a distortion device that allows obtaining a comfortable distortion sound across a wide input level range with a simple construction. An output with a distortion, Y=AX+BSX2 (here, A and B are constants, S is a value that becomes +1 or −1 according to a sign of the...

20060159278 - Voice containment device for a telephone: A telephone voice containment device is described. It includes a housing which is shaped to receive a voice pick-up mechanism of a telephone in order to capture the voice utterances to be picked up by such phone, and at the same time prevent the voice utterances from escaping to the...

20060159279 - Multimedia speaker headphone: A multimedia speaker headphone has a headband, two ear-covers and a control and transmission device. The ear-covers are mounted pivotally on the headband and each ear-cover has an earphone speaker and an audio speaker. The control and transmission device has a controller and a transmission apparatus. The controller is connected...

20060159280 - System and method for synchronization using gps in home network: The audio speakers in a PLC-based home entertainment network receive GPS timing information. Audio packets from an audio source are timestamped with satellite timing information, so that the speakers can substantially simultaneously play audio using the timestamps and the timing information available at each speaker, thereby avoiding the echo effect...

20060159281 - Method and apparatus to record a signal using a beam forming algorithm: A method and an apparatus to record an audio signal use a beam forming algorithm for at least two microphones. The method includes disposing a plurality of microphones at a plurality of predetermined locations to generate audio signals upon receiving a sound signal output from a sound source, forming a...

20060159282 - Method for suppressing electroacoustic feedback: A method for suppressing electroacoustic feedback in an audio system including a microphone that drives a loudspeaker system via an amplifier, in particular as part of a public address system, includes a) monitoring the level of the microphone signal on the microphone-amplifier path; b) determining the readiness for occurrence of...

20060159284 - Audio signal processing method and apparatus: In case of carrying out a correction process with respect to a signal of a specific frequency band in an inputted audio signal, an output level is raised approximately uniformly with respect to a signal component equal to a predetermined level or less in the signal of the specific frequency...

20060159285 - Hearing aid with frequency channels: The invention regards a method for sound processing in an audio device wherein an audio signal is provided and the audio signal is frequency shaped according to the need of a user of the audio device and the frequency shaped signal is served at the user in a form perceivable...

20060159283 - Method and apparatus for audio bass enhancement: A method and apparatus for audio bass enhancement is provided. The method includes band-pass filtering an input signal; generating at least one even and odd harmonics of the band-pass filtered input signal; and synthesizing the harmonics and the band-pass filtered input signal to be output....

20060159289 - Bessel array with full amplitude signal to half amplitude position transducers: A Bessel Array loudspeaker in which identical transducers are fed full amplitude signals. The half amplitude output at some Bessel positions can be achieved by angling those transducers to the side or up/down. The half amplitude transducers can be coupled to separate cabinets which can be rotated left/right with respect...

20060159286 - Bessel array with non-empty null positions: An e.g. 7-element Bessel Array in which the null or zero positions are occupied with sound producing means producing sound outside the Bessel functional frequency range, such as a higher frequency Bessel Array, a higher frequency MTM, or a port....

20060159288 - Bessel dipole loudspeaker: A dipole loudspeaker in which the oppositely oriented transducers each is a Bessel Array. Optionally, Improved or Super Bessel Arrays are used, and their half-amplitude end position transducers may be shared and aimed in a perpendicular—typically vertical—orientation. The Bessel Dipole is especially useful as a surround channel loudspeaker; for the...

20060159287 - Mtm of bessels loudspeaker: An MTM loudspeaker in which the Ms and/or the T is constructed as a Bessel Array. The shapes of the diaphragms, the transducer count, the Bessel type, and/or the acoustic center positioning can be adjusted to achieve desired packing factor, enclosure size, off-axis performance, and so forth....

20060159290 - Microphone and 2nd amplifier on and off foot switch: The microphone and 2nd amplifier on and off foot switch is and does exactly what its title is and says it does. With a microphone plugged into this foot switch and out to the P.A. system; stepping on the foot switch will turn the microphone on or off. So while...

20060159291 - Portable multi-functional audio sound system and method therefor: A portable multi-functional audio sound system has an enclosure and control panel with an optional display on a front portion of the enclosure. The control panel provides for selection among menu options which are presented on the display. An audio input is coupled for receiving a live audio signal. An...

20060159292 - Method and topology to switch an output stage in a class ab audio amplifier for wireless applications: A circuit and method of switching an output of a single preamplifier to or from multiple amplifier output stages. The preamplifier output is switched between multiple audio amplifier output stages without degrading the performance of the output signal. A switching circuit selectively couples the preamplifier output to an amplifier output...

20060159293 - Acoustic device: A panel loudspeaker comprising a panel, at least one driver, and a frame connected to the panel. The panel has a plurality of edges and is capable of sustaining bending waves. The driver is connected to the panel at a location that is neither at or near the edges of...

20060159294 - Capacitor microphone: A capacitor microphone includes a battery holder including a microphone unit housing at one end and a battery holder at the other end, the battery holder being coupled to a connector sleeve; an output connector housed in the connector sleeve, and detachably receiving a grounding sleeve of a microphone cable;...

20060159295 - Piezoelectric actuator: A piezo-electric actuator comprising: piezo-electric element la having piezo-electric body 3a which is provided with at least two opposing surfaces, wherein the surfaces perform an expanding and contracting motion in accordance with the state of an electric field; a constraint member 21a for constraining piezo-electric element 1a on at least...

20060159296 - Stereo speaker system: A stereo speaker system includes a pair of speakers. Each of the speakers includes a frame, a yoke, a diaphragm and a printed circuit board. At least one of the frame, the yoke, the diaphragm and the printed circuit board of one of the speakers is unitarily interconnected to at...

20060159297 - Ear canal signal converting method, ear canal transducer and headset: A method of converting electrical signals into mechanical vibration by means of a transducer in the human ear, an ear canal transducer and a headset wherein a sensation of hearing is achieved by exciting the tissue of the ear canal directly with said transducer, whereby the vibrations propagate to the...

20060159298 - Hearing instrument: According to the first aspect of the invention, a hearing instrument with at least one microphone and signal processing comprises at least two receivers having a different frequency response. At least a first one of the receivers is placed outside the ear canal, for example in a behind-the-ear component. According...

20060159299 - Wide directionality speaker system, and cover attaching construction for plannar direct-mounted implements: A wide dispersion speaker system 1 comprises a cone type speaker unit 2, and a restricting element 10A. The restricting element 10A is provided with a center hole 11 at a center section thereof, and a peripheral hole 12 located outward relative to the center hole 11. The restricting element...

20060159300 - Spider with leadwires sandwiched: An annular spider with lead wires sandwiched is provided. The improved structure of the spider allows the lead wires to be sandwiched in between two surface linings. The annular spider that serves to have the voice coil held in concentric position is formed by a negative shaped press mould with...

20060159301 - Loudspeakers and systems: The invention provides, in one aspect, a loudspeaker that has electrodynamically-driven piston mounted in one external wall and that has movable panels in one or more other external walls. Those panels are air-coupled to the piston, e.g., via air within the enclosure, such that vibrational motion of the piston causes...

  
07/13/2006 > 32 patent applications in 29 patent subcategories. category listing

20060153389 - Wireless audio signal transmission method for a three-dimensional sound system: A three-dimensional sound system includes a wireless audio signal transmission method for transmitting audio signals between a transmitting device and a spatially adjacent receiving device associated with an audio signal reproduction device such as a speaker. The audio signals may be digitized in the transmitting device, compressed, and transmitted by...

20060153390 - Acoustic signal transmission method and acoustic signal transmission apparatus: The acoustic signal transmission method is based on generating a synthesized sound electrical signal by electrically synthesizing an audible sound signal and another signal different than the audible sound signal at the sending side, and transmitting the synthesized sound electrical signal, and extracting the another signal different than the audible...

20060153391 - Set-up method for array-type sound system: There is disclosed a method for setting up a Sound Projector such that it is suitable for a variety of functions, including surround sound. The method allows a semi-automatic or automatic set-up to be accomplished whereby the Sound Projector emits test signals and these are received by one or more...

20060153392 - Method and apparatus for encoding and decoding multi-channel signals: A method of encoding multi-channel signals having two or more channels into a first signal and a second signal, and an apparatus to perform the method, the method including generating the first signal by performing a first operation using a first channel signal in the multi-channel signals; and generating the...

20060153393 - Portable communication terminal, message output method used for the portable communication terminal, and program therefor: A communication terminal using a flat panel speaker outputs a message of warning, in forms of sound or text shown on display, before outputting sound from the flat panel speaker....

20060153394 - Headset audio bypass apparatus and method: An apparatus and method provides control over the relative level of audio and background sound for an audio device such as a headset or headphones. An input sound transducer can be provided and configured to convert ambient acoustical pressure into an electrical background signal representing the background sound. Noise cancellation...

20060153395 - Clinical assistant for cochlear implant care: A system for performing one or more tests on a hearing prosthesis is provided. The system is usable by the recipient of the prosthesis, to reduce a testing load on a clinician. The system has a computer that processes software instructions and outputs signals in response to said instructions; a...

20060153396 - Rapid screening, threshold, and diagnostic tests for evaluation of hearing: A rapid screening, threshold, and diagnostic tests for evaluation of hearing includes techniques that are particularly suited for rapid objective hearing screening and evaluation of newborns or other patients who are unable or unwilling to provide reliable subjective responses. The hearing tests may be frequency specific or may evaluate overall...

20060153397 - Audio distribution system: An audio distribution system comprises a plurality of individual signal conditioning circuits connected in series. Each circuit comprises a signal conditioning unit to which an audio input (13) is fed. The output from the unit is fed to a precision signal addition device. Each circuit also comprises a balanced line...

20060153398 - In-vehicle entertainment system: An in-vehicle entertainment system comprising an entertainment device configured to broadcast an audio signal, at least one set of headphones configured to receive the audio signal; and at least one microphone coupled to said entertainment device, wherein the entertainment device is configured to selectively attenuate the audio signal and to...

20060153399 - Method and apparatus for ambient sound therapy user interface and control system: Method and apparatus comprising a method of recording natural sounds with a matched microphone array, recording the signal on a high resolution recording device including creating an audio bed, and playing back the recording on a tuned playback system. The method and apparatus is used to create or duplicate an...

20060153400 - Microphone and sound amplification system: Microphone includes: a microphone element; a simulative feedback signal generation section that generates a simulative feedback signal simulating a feedback signal generated by a sound, produced via a speaker, returning the microphone element; and an arithmetic operator that subtracts the simulative feedback signal, generated by the simulative feedback signal generation...

20060153401 - Environment adaptable loudspeaker: It is known to make the performance of a loudspeaker “environment adaptive” in controlling a filter unit based on a measurement of the velocity/acceleration of the loudspeaker diaphragm and the associated sound pressure in front of the diaphragm, by means of an accelerometer and a microphone, respectively, thereby determining the...

20060153402 - Music information encoding device and method, and music information decoding device and method: In an audio-information encoding apparatus, in order to encode an audio signal containing a white-noise component, an index iL indicating the energy level of the white-noise component and an index iR designating the start index of a random-number table are introduced into a code train. In an audio-information decoding apparatus...

20060153403 - Signal strength imformation dependent control of small electrodynamic transducers in audio systems: A control circuit for a signal strength information dependant frequency response adaptation of an audio signal for an electrodynamic transducer, with a signal strength information determinator for determining a signal strength information according to a level of the audio signal, and a frequency modifier for frequency selectively modifying the audio...

20060153404 - Parametric equalizer method and system: Parametric equalization is accomplished by determining an error point for a section of an equalizer frequency response and applying a plurality of different parametric frequency responses to determine the best fit for that error point....

20060153405 - Audio automatic volume control: An audio volume control system including a plurality of audio signal sources each configured to generate an audio signal, and a controller configured to retrieve a stored volume setting for each audio signal source and control the output volume level of an output device in response to the stored volume...

20060153406 - Bending wave loudspeaker: A loudspeaker comprising an acoustic panel (1) having two substantially parallel main surfaces (5A, 5B) and comprising an electrical exciter (3) arranged on one of said main surfaces. The panel produces acoustic radiation upon energization of the exciter, at least subsequently as a result of bending waves produced in the...

20060153407 - Reflective loudspeaker array: A reflective loudspeaker array is cooperatively operable with an acoustically reflective planar surface to provide a constructive combination of direct and reflected sound waves that produces a uniform sound field. The uniform sound field provides a controlled sound field in the vertical and horizontal direction, and also provides uniformity from...

20060153408 - Compact side information for parametric coding of spatial audio: At an audio encoder, cue codes are generated for one or more audio channels, wherein a combined cue code (e.g., a combined inter-channel correlation (ICC) code) is generated by combining two or more estimated cue codes, each estimated cue code estimated from a group of two or more channels. At...

20060153409 - Structure of a pair of glasses: An improved structure of a pair of glasses is disclosed. The pair of glasses is coupled with an audio-visual recording/showing device, and a pair of earpieces is coupled with a pair of earphones directly or through a direction changing connector. Accordingly, the audio-visual recording/showing device and the earphones are carried...

20060153410 - Apparatus and method for moisture controlin an enclosure for e.g. loudspeakers: A loudspeaker or other enclosure 10 constituting a humidity sensitive region the moisture of which is to be reduced contains a heater 18A. The tube 12 having a bore narrow enough to prevent diffusion of gases therethrough leads from the enclosure 10. The heater is operated cyclically by a switching...

20060153411 - Suspension means for transducer: The invention concerns suspension means for transducer, where the suspension means also functions as a sound-guide for directing sound between the transducer and the external cabinet of an audio processing device, where the suspension is shaped as a tube which has means for forming a connection with the inlet/outlet of...

20060153412 - Speaker device for improving mid/high-range frequencies: A speaker device for improving mid/high-range frequencies includes a magnetic base, a frame annularly mounted to the magnetic base, a cone mounted to an inner side of the frame, a voice coil mounted to the cone and suspended in a gap of the magnetic base, and a deadening phase plug...

20060153413 - Speaker apparatus: A speaker apparatus which does not need insertion of a stand into a speaker box, and which can prevent vibrations occurring in a speaker unit from transmitting to the speaker box by the speaker apparatus itself is provided. Within a speaker box which can be divided into first and second...

20060153414 - Earphone device having composite functions: An earphone device having composite functions at least has an earphone shell body, a loudspeaker, and an adjustment component. Several outer sound holes are disposed on the outer side of the earphone shell body. The loudspeaker is fixed in the earphone shell body. The loudspeaker is arranged outwards. The adjustment...

20060153415 - Frame-mountable earphone system: The present invention comprises a method and apparatus for attaching earphones to eyeglass and similar frames. In one or more embodiments, the apparatus of the present invention comprises an earphone that comprises an elongated support arm that supports the earphone's speaker unit. In one or more embodiments, the elongated support...

20060153417 - Electric-acoustic transducer and electric-acoustic transducer/housing assembly: An electric-acoustic transducer/housing assembly includes an electric-acoustic transducer and a housing within which the electric-acoustic transducer is arranged. The electric-acoustic transducer includes a casing, a first and second vibratory plates transversely mounted within the casing, and an exciter disposed between the first and second vibratory plates and operated to vibrate...

20060153418 - Electroacoustic transducer mounting in shells of hearing prostheses: A hearing aid and a receiver for use therein, the receiver being tip-mountable in a chamber of a housing. The back chamber of the receiver is acoustically connected to the chamber of the housing. The receiver is a dual-diaphragm receiver providing no or very little vibrations, whereby the receiver is...

20060153416 - Vibration actuator device of portable terminal: By having multiple air passage holes 10c in the housing 1 and by creating a clearance G2 between the outer surface of the yoke 20 and the inner surface of the housing 1, the measurement of the clearance being confined to a range exceeding 0% but not exceeding 2.5% of...

20060153419 - Device having at least one loudspeaker and at least one coil: In a device having at least one loudspeaker (21) and one coil (15), the influence of a magnetic field being generated by the loudspeaker (21) on a magnetic field being generated by the coil (15) is decreased without enlarging the distance between the loudspeaker (21) and the coil (15). This...

20060153420 - Speaker and device using the same: A loudspeaker includes a magnetic circuit having a magnetic gap, a frame coupled to the magnetic circuit, a voice coil having a first end positioned in the magnetic gap and a second end opposite to the first end, and a diaphragm coupled to the second end of the voice coil...

  
07/06/2006 > 36 patent applications in 31 patent subcategories. category listing

20060147046 - Method and system for enhancing bass effect in audio signals: The present invention may be used to improve the quality of music output from audio systems by simulating the effect of low frequency signals in the human ear. This thus allows listeners to perceive the lower frequencies signals, even though the speakers may be incapable of providing such low frequency...

20060147048 - Audio coding: Parametric stereo coders use perceptually relevant parameters of the input signal to describe spatial properties. One of these parameters is the phase difference between the input signals (ITD or IPD). This time difference only determines the relative time difference between the input signals, without any information about how these time...

20060147047 - Coding an audio signal: In the method of coding the audio signal, the values of first parameters (P1,1), which represent aspects of the audio signal at a first instant (ti), are calculated to obtain first calculated values (A1,i). The values of second parameters P2,i), which represent the aspects of the audio signal at a...

20060147049 - Sound pressure level limiter with anti-startle feature: Sound pressure level limiter with anti-startle feature for audio systems are disclosed. The anti-startle feature may be implemented with a delta incident detector for detecting delta acoustic incidents that exceed a predetermined acoustic startle boundary, a delta limiter for determining an anti-startle gain, and an amplifier to apply the anti-startle...

20060147050 - System for simulating sound engineering effects: The invention provides an audio signal processing system for simulating sound engineering effects. The audio signal processing system may simulate, emulate or model sound engineering effects that may be present in a sample audio signal contained in a sound recording. The audio signal processing system may include an input signal,...

20060147051 - Audio system: An audio system comprises, according to one aspect of the invention, an audio frequency actuator coupled to a body so as to cause the body to radiate sound when an audio signal is supplied to the actuator by a controller, and an acoustic sensor coupled to said body or to...

20060147052 - Audio headphone having wireless transceiver and analog audio input: An audio headset (100) including one or two earphone pods (110, 120) each having an audio transducer, wherein a lanyard (130) interconnects a pair of pods. A wireless receiver is disposed in one of the earphone pods, wherein the wireless receiver includes an audio signal output coupled to at least...

20060147053 - Apparatus for improving image in car audio system, and control method thereof: An apparatus for improving an image in a car audio system, and a control method thereof are provided. The apparatus includes: a first speaker unit for outputting a high band sound from a sound reproduced in the car audio system; a second speaker unit for outputting a middle band sound...

20060147054 - Microphone non-uniformity compensation system: A microphone compensation system responds to changes in the characteristics of individual microphones in an array of microphones. The microphone compensation system provides a communication system with consistent performance despite microphone aging, widely varying environmental conditions, and other factors that alter the characteristics of the microphones. Furthermore, lengthy, complex, and...

20060147055 - In-vehicle audio apparatus: An audio apparatus has a function of correcting an audio signal in response to a noise level. The audio apparatus includes a correction unit that corrects an input audio signal on the basis of a weighting factor, an output unit that produces a played-back audio sound on the basis of...

20060147056 - Phase compensation techniques to adjust for speaker deficiencies: In an embodiment, a phase compensation system shifts the phase of an audio signal in a mid-range frequency band to compensate for phase distortion created when an electrical audio signal is converted to audio by an electronic transducer, such as a loudspeaker. An audio enhancement system mixes at least the...

20060147057 - Equalization system to improve the quality of bass sounds within a listening area: Frequency equalization system substantially equalizes the room frequency responses generated by at least one loudspeaker within a listening area so that the frequency responses in the listening area are substantially constant and flat within a desired frequency range. The frequency equalization system uses multiple microphones to measure the impulse responses...

20060147058 - Electronic audio processing devices and volume control assistance methods: An electronic audio processing device comprises an input unit, an output unit, and a processor coupled with the input unit and the output unit. The input unit receives foreground and background audio. The processor determines if the volume of the foreground and background audio conforms to a conditional relationship, and...

20060147059 - Smart volume adjusting method for a multi-media system: A smart volume adjusting method for a multi-medium system is described, through which ears of a user of the multi-medium system may be protected and the problem that an initial volume is not suitable for hearing habit of the user when an audio playing device of the multi-medium system is...

20060147060 - Multifunction preamplifier microphone: Systems for a multifunction preamplifier microphone are disclosed. The system generally includes a microphone transducer and a configurable preamplifier circuit. The configurable preamplifier circuit includes an output terminal for outputting a signal, a configuration terminal for coupling one or more circuit components to the preamplifier circuit; and a housing containing...

20060147062 - Voltage supply circuit and microphone unit: A voltage supply circuit includes a booster outputting a voltage boosted from a power supply voltage and an amplifier operating with a voltage output from the booster as a power supply and supplying a bias voltage to a sensor. An output voltage value of the booster that generates a power...

20060147061 - Voltage supply circuit, power supply circuit, microphone unit using the same, and microphone unit sensitivity adjustment method: A voltage supply circuit includes a power supply booster, an amplifier operating with a voltage generated by the power supply booster as a power supply voltage and supplying a bias voltage to a sensor, and an output voltage setting part including a feedback resistor for the amplifier. The feedback resistor...

20060147063 - Echo cancellation in telephones with multiple microphones: The present invention is directed to a telephone equipped with multiple microphones that provides improved performance during operation of the telephone in a speaker-phone mode. For example, the multiple microphones can be used to improve voice activity detection, which in turn, can improve echo cancellation. In addition, the multiple microphones...

20060147064 - Multi-effect processing device for wireless microphone: A multi-effect processing device for wireless microphone is disclosed to include a radio frequency-to-audio frequency converter module for receiving a radio frequency signal and processing the signal into an audio frequency signal, a DSP (Digital Signal Processor) for processing the audio frequency signal from the radio frequency-to-audio frequency converter module...

20060147065 - Sound reproducing screen for an ultrasonic converting and reproducing method: A sound reproducing screen for an ultrasonic converting and reproducing method wherein a sound signal is carried on the ultrasonic wave which is transmitted via the screen which has a lattice structure in which a plurality of cells is continuously arranged. Using the screen, the sound signal can be divided...

20060147066 - Speaker frame and speaker device having a speaker frame: A speaker frame comprising: a rear end wall; a damper support portion; an edge support portion to which an edge as an outer circumferential portion of a vibration plate is to be stuck and fixed; and plural frame arms which connect the edge support portion to the rear end wall...

20060147067 - Method and apparatus for assuring satisfaction of purchasers of large format television monitors: A surround sound system and method system to educate and guide the purchaser of a large format television receiver 11 to realize the expectation of recreating the music/movie experience in the home. The method includes demonstration of what good sound reproduction sounds like, and the experience of good sound is...

20060147068 - Audio reproduction apparatus, feedback system and method: The audio reproduction apparatus comprises a cost input for inputting a mathematical cost derived from a measurement, which measurement is user-influenceable and a conditioning unit, capable of delivering an output audio signal in dependence of the mathematical cost, characterized in that the conditioning unit comprises an audio processing means arranged...

20060147069 - Integrated telecoil amplifier with signal processing: The invention concerns a method of receiving and processing both audio and non-audio signals for use in a hearing aid or other listening device comprising converting electromagnetic radiation to electrical signals, amplifying said electrical signals to produce amplified signals, and filtering the amplified signals in an audio frequency range. The...

20060147070 - Device for protecting the hearing from loud mrt sounds: Device for protecting the hearing from loud MRT sounds Device for protecting the hearing from loud MRT sounds, with a protective sound generating device linked to the MRT electronics for generating a protective sound rising slowly in amplitude, increasing the impedance in the middle ear immediately before the onset of...

20060147071 - Wax barrier system: A customizable cerumen guard for a hearing aid having a shell, a receiver, a receiver tube, and aperture in the shell communicating with the receiver tube, includes an insert insertable into the shell aperture, the insert having a chamber therein, a receiver aperture for communication with the receiver tube, an...

20060147072 - Open in-the-ear (ite) hearing aid: According to the present invention, a hearing aid is provided having a housing with an open canal section that is adapted for fitting in the ear canal of a user and having a short vent the longitudinal extension of which is shorter than the longitudinal extension of the open canal...

20060147073 - Mirror component embedded with an audio-function module: The present invention discloses a mirror component combining with an audio-function and/or video-function module. The mirror component comprises a mirror carrier. A mirror is configured in the mirror carrier. An audio-function and/or video-function module is configured in the mirror carrier. A control interface is electrically connected with the audio-function and/or...

20060147074 - Integrated loudspeaker system: A loudspeaker system including a plurality of sonic converters fixed in or to the rear of sound passage openings of a carrier plate is disclosed. The carrier plate is configured in the form of a wall plate for interior spaces or outside facades of buildings and the sonic converters are...

20060147075 - Loudspeaker comprising coaxially-disposed drivers: A loudspeaker incorporating a plurality of dynamic audio drivers in a co-axial arrangement is disclosed. In the illustrative embodiment, the drivers are disposed in a cylindrical cabinet has a diameter that is slightly larger than the diameter of the drivers. In some embodiments, a high-frequency driver is disposed on the...

20060147076 - Electrodynamic acoustic transducer: The invention relates to an acoustic transducer generating a sound radiation by compression and expansion of an air mass situated between a mobile membrane and a fixed surface or between two mobile membranes. The present invention concerns a transducer or acoustic loudspeaker of electrodynamic type designed to emit sound waves...

20060147077 - Room mode bass absorption through combined diaphragmatic & helmholtz resonance techniques: An acoustical bass absorber which reduces peak and dip frequency response errors caused by interference from naturally occurring axial standing waves in rectangular rooms. The apparatus uses two forms of simple harmonic resonance: pistonic diaphragm resonance and Helmholtz cavity resonance. The pistonic diaphragm resonance is achieved by attaching a rigid...

20060147078 - Headset capable of receiving signals from an electronic device, method of manufacturing same, and ear loop and earplug capable of removable engagement with same: A headset capable of receiving signals from an electronic device includes a body (110), a neck (120) protruding from the body, a speaker (130) coupled to the neck, an ear loop (140) removably attached to the neck, and an earplug (150) removably attached to the neck. The ear loop can...

20060147079 - Earphone: An earphone for multiple listening applications is configurable between a first operative state defining a first ear canal interface for call management listening applications and a second operative state defining a second ear canal interface for music listening applications....

20060147080 - Magnetized attachment system for cones and other placement and coupling accessories: An improved speaker mounting device and method of mounting allows mounting devices such as mounting cones to be attached to a speaker cabinet on a variety of different sides of the cabinet and without any mounting mechanism being visible on the cabinet. The mounting cones may be attached to the...

20060147081 - Loudspeaker plastic cone body: A loudspeaker cone body made of plastic includes a base carrier material and a filler material. The base carrier material is selected to optimize overall flow, weight and stiffness. The filler material may be a nanomaterial that provides for adjustment of process and acoustic related characteristics in the loudspeaker cone...

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