Electrical audio signal processing systems and devices inventions 11/05

20050259826 - Apparatus and method for transmitting signals: An apparatus for transmitting a first signal (102) and a second signal (104) on a first transmission path (122) and a second transmission path (124), wherein the first and the second transmission path (122, 124) are arranged such that a cross-talk between the transmission paths (122, 124) takes place when...

20050259827 - System and method for 3d sound processing: A system for 3D sound processing. The system includes a first processing section including a first left lattice filter and a first right lattice filter, respectively electrically connected to a second left lattice filter and a second right lattice filter, and including two negative couplers, each electrically connected to the...

20050259828 - Multi-channel compatible stereo recording: An encoder for mixing a plurality of independent mono audio channels into a stereo recording and generating a restricted set of additional parameters used to master an audio track of a storage device is described. The plurality of independent mono audio channels are constructed such that the storage device can...

20050259829 - Stand-alone microphone test system for a hearing device: The present invention provides a stand-alone microphone test system for a hearing device, comprising a hearing device having at least one microphone, a sound source in communication with the hearing device, wherein, when in operation, the sound source receives a signal from the hearing device, and a mold oriented to...

20050259830 - Robust system for sound enhancement from a single engine sensor: A noise enhancement system for an automobile utilizes a single input of engine speed to derive a control signal used to drive a speaker. The speaker generates sounds that enhance or replicate the desired sounds from the engine. The output from the speaker is crafted dependent on the vehicle operating...

20050259831 - Vehicle loudspeaker array: An audio processing system for a vehicle includes a plurality of loudspeakers positioned to form a single line array. The loudspeaker line array is positionable in a vehicle on a dashboard of the vehicle substantially at the convergence of the dashboard and a window of the vehicle. When the loudspeaker...

20050259832 - Sound pickup method and apparatus, sound pickup and reproduction method, and sound reproduction apparatus: A sound is picked up using a plurality of microphones that are arranged so that respective directivity axes of the microphones differ from each other or so that they function as a plurality of microphones having directivities in different directions by performing a calculation on sound signals output from the...

20050259833 - Frequency responses, apparatus and methods for the harmonic enhancement of audio signals: A frequency response useful for simply and inexpensively enhancing an audio signal in such a way that the quality of audible sound produced from the enhanced audio signal more closely approaches that of the original sound heard live in an acoustically designed environment....

20050259834 - Voice controlled system and method: A voice controlled system includes a microphone for receiving voice commands and for converting each voice command to an electrical output; a filter system connected to receive the electrical outputs of the microphone and to produce for each voice command a first output corresponding to the high-frequency component of the...

20050259835 - Condenser microphone: The occurrence of noise caused by external electromagnetic waves is prevented and a high voltage is prevented in a microphone case, so that the possibility of an electrical shock is eliminated. A condenser microphone, comrising a microphone case (shield case) 10 including a circuit board 11 having a ground circuit...

20050259836 - Multimedia recorder: The present invention is related to a multimedia recorder, which comprises a body, the body has a recording means for recording, a broadcasting means for broadcasting and a fastening member for bonding the body on a gift and being a part of a packing of the body and the gift;...

20050259837 - Sound collecting device minimizing electrical noise: A sound collecting device is provided which is designed to minimize adverse effects on an output caused by exposure of an electroacoustic transducer to the air. The device includes an electroacoustic transducer and a vibrating circuit. The transducer is exposed to the air and responsive to input of a sound...

20050259838 - Hearing aid and hearing aid system: For a hearing aid, the information for the hearing aid wearer relating to the state of charge of the power source (4, 4′) or the remaining life of the hearing aid with the relevant power source (4, 4′) is to be improved. To this end means are provided for operating...

20050259839 - Construction for hearing devices or hearing aids: The inventive casing construction for hearing devices or hearing aids respectively comprises a base plate (1) and casing shell detachable attached to said base plate (1), whereby the base plate (1) has one or more openings (2) arranged on its outside. Further on the base plate (1) comprising recesses or...

20050259840 - Precision micro-hole for extended life batteries: Various embodiments of the invention provide an enclosure for a metal-air battery assembly for an extended wear hearing aid. The enclosure includes a diffusion control element having a dimensional property configured for controlling oxygen and moisture diffusion into the metal-air battery assembly to maintain a minimum battery voltage when the...

20050259841 - Narrow opening electroacoustical transducing: A loudspeaker system having an enclosure having a narrow opening or slot for radiating high frequency acoustic energy. The loudspeaker system has a cover member defining a slot between the cover member and a boundary of a listening space. The loudspeaker system may also include a fixed or adaptive equalizer...

20050259842 - Boundary microphone: A boundary microphone including a microphone case is provided whereby sufficient shielding performance can be achieved against strong electromagnetic waves of cellular phones. In the boundary microphone, a microphone case 1 includes a flat metallic base 10 opened on its top surface and a metallic microphone cover 20 mounted on...

20050259843 - Dome-shaped diaphragm and speaker: A dome-shaped diaphragm includes a dome part which is formed in a dome-like shape and is convex forward in an oscillating direction, a neck part which is provided in continuation to an outer periphery of the dome part, and an edge including a roll part which is formed in a...

20050254659 - Stereo signal processing apparatus: Disclosed is a stereo signal processing apparatus, in particular for a digital BTSC television decoder, comprising a sub-channel signal processing section which comprises an input for inputting an input sub-channel signal, a DBX expanding means and an output for outputting an output sub-channel signal. The particularity of the present invention...

20050254660 - Cross-talk cancellation: Audio cross-talk cancellation by inverse HRTF matrix only for low frequencies; high frequencies rely upon the natural barrier of a listener's head. The low frequency cutoff is determined by a peak in the inverse matrix of the head-related transfer functions....

20050254661 - Wireless device for capturing multiple channel audio: A wireless device (300) receives and captures multiple-channel audio signals and outputs the multiple-channel audio signals on at least one channel output stream (606). The wireless device (300) includes a microphone (401) for capturing a first audio channel and at least one speaker (402) for capturing additional audio channels. Each...

20050254662 - System and method for calibration of an acoustic system: The present invention is directed to a method and system for automatic calibration of an acoustic system. The acoustic system may include a source A/V device, calibration computing device, and multiple rendering devices. The calibration system may include a calibration component attached to each rendering device and a source calibration...

20050254663 - Electronic sound screening system and method of accoustically impoving the environment: A flexible apparatus for, and method of, acoustically improving an environment permits manual adjustment by one or more local or remote users using a simple graphical interface and automatic adjustment of the system parameters once the manual adjustment is performed. The inputs are weighted by distance from the physical apparatus....

20050254664 - Noise cancellation methodology for electronic devices: A system for generating a noise cancellation waveform is described. Specifically, the system captures a noise waveform, executes a noise cancellation algorithm, and communicates the noise cancellation waveform to a working environment. The noise cancellation algorithm comprises a delay parameter, a reflective index, and distortion variables....

20050254666 - Filter system for hearing protection device for continuous noise exposure monitoring: A hearing protection device to be worn at either a primary position or a secondary position, comprising a hearing protection component and a noise measurement component, and an attachment mechanism to securely attach the noise measurement component to the hearing protection component, wherein at the primary position the noise measurement...

20050254667 - Method and apparatus for continuous noise exposure monitoring: A method for continuously monitoring noise exposure level of a person via measuring sound level within an ear canal of the person using a sound measurement means linked to a sound level recording device external to the ear canal, wherein the sound measurement means may be shielded from the environment...

20050254665 - System and method for optimized active controller design in an anr system: A tailored active noise control design method is presented that provides for improved noise attenuation performance for each individual user and improved hearing protection in a specified noise field as a function of a specified metric indicative of a noise reduction objection. Characteristics of individual users, behavior of the associated...

20050254668 - Loudspeaker arrangement: The invention relates to a loudspeaker arrangement inside a device for playing back stereophonic audio signals. The inventive loudspeaker arrangement consists of a housing located inside the device, a loudspeaker for bass signals, and of loudspeakers for mid-range and treble signals. Crossover networks divide the stereophonic audio signals for playback...

20050254669 - Remotely controlling sound system in enclosure: A sound reproducing system having at least a radio and left and right loudspeakers in a base enclosure is free of at least manually selectable volume controlling and radio tuning. A remote controller includes at least manually selectable volume and tuning controls....

20050254670 - Condenser microphone: In a condenser microphone in which a microphone capsule and an audio output section are connected to each other via a microphone cord, strong electromagnetic waves generated by a cellular phone etc. are prevented from being transmitted by the microphone cord and intruding into the audio output section. In a...

20050254671 - Condenser microphone: The DC magnetization of a transformer core is prevented without increasing the size of an output transformer in a condenser microphone which is operated by a phantom power source, uses a vacuum tube as an impedance converter, and outputs a vacuum tube signal via the output transformer. The condenser microphone...

20050254672 - Bone conductive speaker: A bone conductive speaker is downsized without causing any loss in efficiency, simple in construction low in cost, and comprises yoke (2), magnet (3) disposed in a central area of the yoke, and voice coil (4) wound on the magnet. The yoke has its peripheral area divided into a plurality...

20050254673 - High performance mems thin-film teflon electret microphone: High performance MEMS thin film electret microphones, components and methods for making the same are disclosed. The microphones generally include a transducer diaphragm including an IC-compatible membrane support structure, a membrane layer formed on the membrane support structure, and a first electrode; a transducer back plate having a second electrode;...

20050254674 - Flexible electronic device with flexible speaker: A flexible electronic device with flexible speaker is disclosed, comprising: a flexible printed circuit board (FPC), having a circuit layout arranged thereon; an input unit, electrically connected to the FPC for setting an information; a flexible speaker, electrically connected to the FPC for outputting the information; a display unit, electrically...

20050254676 - Hearing aid with a switching device for switching on and off and corresponding method: It is intended that the switching on and off of a hearing aid (I) should be made more user-friendly. To this end the hearing aid (I) is fitted with a temperature sensor (TS) to detect the body heat of the hearing aid wearer and therefore that the hearing aid is...

20050254675 - Hearing aid with time-varying performance: A hearing aid that compensates for a patient's hearing deficit in a gradually progressing fashion. The hearing aid may be programmed to successively select in a defined sequence a parameter set that defines at least one operating characteristic of the signal processing circuit from a group of such parameter sets....

20050254677 - Hearing aid having a display device: The display of status information on a hearing aid is to be improved. To this end, provision is made for the display device (A) to be embodied on the housing of a hearing aid (I) as an electrophoretic display. This is very flexible and thin and can thus be applied...

20050254678 - Portable audio system with changeable functionality: A portable audio system includes a housing, battery, wiring harness, speakers, and two or more audio controllers, each including at least one audio functionality different from at least one other. The functionality of the portable audio system may be reconfigured as desired by removing one audio controller and installing a...

20050254679 - Condenser microphone: In a gooseneck condenser microphone, the generation of noise caused by strong electromagnetic waves sent from a cellular phone etc. is prevented by adding a simple element. In a gooseneck condenser microphone comprising a microphone capsule 10 which includes a condenser microphone unit and generates an audio signal via an...

20050254680 - Electroacoustic transducer: In an electroacoustic transducer, a pair of coil terminals elongating from a voice coil are electrically connected to a pair of terminal members attached to a frame via a flexible printed circuit board, respectively. According to the configuration, even in a case where an electroacoustic transducer is used at a...

20050254681 - Loudspeaker: A loudspeaker comprising a loudspeaker drive unit being operable to radiate sound in a forward direction and a rearward direction and an enclosure configured to receive sound radiated in the rearward direction. The enclosure comprises a passageway system comprising a plurality of parts of different lengths. Each of the different...

20050254682 - Damper for speaker device, speaker device using the damper and manufacturing method therefor: A damper having an annular elastic part is manufactured by stamping out a wire mesh material formed by weaving a plurality of metal wires into a net shape with a press device. The elastic part of the damper thus manufactured has a wire mesh structure. Thereby, a damper with high...

20050249353 - System and method for detecting fault conditions on audio output channels: A system for detecting fault conditions in an audio system is provided. The audio system includes a remote audio generation device connected to an amplifier unit through a wire harness. A remote audio generation device being, for example, a CD unit or DVD player located in the trunk of the...

20050249354 - Method and system for operating accessory controls: The invention concerns an accessory (112) for coupling to a portable electronic device (110). The accessory includes an interface (120) for coupling to the portable electronic device, an identifier (124) in which the identifier generates at least in part a parameter and at least one speaker (128). Only if the...

20050249355 - [feedback active noise controlling circuit and headphone]: A feedback active noise cancellation headphone is disclosed. A plurality of microphone sensors are disposed in front of the left and the right speakers of the headphone for improving the sound reception quality of the microphone sensors, so that the active noise controlling circuit generates an inverse phase soundwave accurately...

20050249357 - Multiple function overhead entertainment system for use in a vehicle: An overhead entertainment system for a vehicle comprises a plurality of media sources outputting at least one of audio data and video data, and means for modulating the audio data and transferring the modulated audio data to a vehicle sound system, wherein the modulated audio data is capable of being...

20050249358 - Remote control interface for replacement vehicle stereos: An interface circuit for interconnecting the fixed controls of a vehicle to a replacement stereo. The interface circuit is capable of receiving control signals from fixed controls, such as steering wheel controls, backseat controls, handlebar controls, and the like, and then transmitting corresponding control signals to a replacement stereo. In...

20050249356 - Reproducing center channel information in a vehicle multichannel audio system: A vehicle sound system is constructed and arranged to establish a sound image at a desired location spaced from the sound source....

20050249359 - Automatic microphone matching: Signals dependent on the electrical output signals of two acoustical to electrical converters are computed to result in a result signal. A transfer characteristic between an acoustical signal impinging on the converters and the result signal is dependent on the arrival direction of the acoustical signals at the converters. The...

20050249361 - Selective shaping of communication signals: Angular discrimination between signals is described. Multiple signals are sampled with multiple signal sensors spatially separated from each other. Respective transform signals are determined that are representative of each sampled signal. If a difference between the transform signals in a given transform kernel bin is greater than a difference threshold,...

20050249360 - Systems and methods for microphone localization: Systems and methods determine the location of a microphone with an unknown location, given the location of a number of other microphones by determining a difference in an arrival time between a first audio signal generated by and microphone with a known location and a second audio signal generated by...

20050249362 - Method for assessing interfering noise: The invention relates to a method for assessing interfering noise in motor vehicles, according to which noise occurring during a predefined measuring time is divided into different frequency ranges, the changes in level relative to the background noise are determined within said frequency ranges, and the determined changes in level...

20050249363 - Signal processing method for audio signal compensation: A signal processing method for audio signal compensation that corrects the high frequency audio signals while displaying music being removed with the high frequency audio signals is disclosed. When music being deleted with high-frequency audio signal is displayed, the deleted high-frequency audio signals are compensated by this method. At first,...

20050249365 - Arithmetic operation method and apparatus for mixing audio signals: Mixer apparatus includes: a plurality of input channels and output channels; a signal processing device that sets a parameter for each of the plurality of input channels and/or output channels; and a signal processing device having a construction specialized in matrix operations. The signal processing device acquires a predetermined mixer...

20050249364 - Signal level adjustment apparatus and control method for the adjustment apparatus: Fader operators operable manually and automatically are provided in corresponding relation to a plurality of channels. For each of the channels, a setting section can set a fade operation mode of the channel to either a first mode where a fade is enabled or a second mode where the fade...

20050249366 - Arrangement for a hearing aid: The arrangement is for controlling the connection for a hearing aid (15) with a fixture (13) anchored in the skull bone. A control arm (1) extends from a connector (17), disposed between the hearing aid (15) and an abutment (9), to a handle (3) disposed at a side of the...

20050249367 - Encoding spatial data in a multi-channel sound file for an object in a virtual environment: A method for recording and playing back spatial sound data associated with an object in a scene of a virtual environment from the perspective of a character controlled by a user. Different types of spatial sound data can be encoded for different types of objects, e.g., fast moving, directional, slow...

20050249368 - Method for deploying hearing instrument fitting software, and hearing instrument adapted therefor: determining, from the fitting program definition data (3), at least part of least one of the fitting program data (12,14) and the fitting program code (13). The hearing instrument itself comprises the information defining the fitting software—be it the complete fitting software or an update or change to a fitting...

20050249369 - Flexible frequency response shaping: An acoustic filter (11) of a hearing instrument or acoustic device (1), respectively, is being detachably placed nearby or at the opening (3) for the acoustic output of the instrument or device, respectively. The filtering element (11) is made of a polymer material, a synthetic, metallic or ceramic material or...

20050249370 - Removal tool and method for extended wear canal devices: Embodiments of the invention provide a removal tool for atraumatically removing a hearing device inserted deeply in the ear canal of a user. The removal tool comprises a shaft adapted to be grasp in the hand and a plurality of hooks or other attachment elements coupled to a first end...

20050249371 - Hearing device designed to be worn behind the ear: At the hearing device, in particular suitable for being worn at the pinna or behind the ear, respectively, comprising an exit (3) for acoustic or sound signals a tube-like connecting element (7) is arranged at the exit (3) for connecting the exit (3) with a tube (9) for the sound...

20050249372 - Hearing aid device and corresponding operating method: A comfortable device that combines the functionality of a hearing aid with that of a headset is to be provided. A hearing aid device (H) is thus provided which comprises a rotary switch, on which is arranged a directional microphone. In a first rotary position corresponding to the hearing aid...

20050249373 - Portable device: A portable device including, a plurality of speakers which output a stereophonic sound or a surround sound. The plurality of speakers are separated into at least two groups of speaker, and the at least two groups of speaker are positioned apart from each other. In addition, the portable device further...

20050244010 - Stereophonic sound reproducing system and stereophonic sound reproducing apparatus: A stereophonic sound reproducing system including: a stereophonic sound reproducing device which provides a sound field space giving realistic sensations to a listener by publicly addressing sounds from speakers corresponding to inputted plural sound signals on the basis of the inputted plural sound signals; a main speaker which is arranged...

20050244012 - Measuring apparatus and method, and recording medium: A sound measuring apparatus includes an impulse response obtaining section obtaining an impulse response, a positive transform section performing a positive transform on the impulse response obtained by the impulse response obtaining section, a filter low-pass filtering the response waveform on which the positive transform was performed by the positive...

20050244011 - Method and apparatus to measure sound quality: A real-time sound quality evaluating system and method of evaluating sound quality in real-time by using a group of sound quality evaluators as a model. The method includes measuring physical sound quality and sound characteristics generated from an audio system; extracting a plurality of sound quality evaluation factors for each...

20050244013 - Noise exposure monitoring device: A noise monitoring device for indicating exposure to noise and providing a quickly perceived noise exposure warning. Noise levels are monitored, recorded and evaluated by the device utilizing a noise detector, an accumulator, and an evaluator that monitors an accumulated noise signal value and determines a probability that continued exposure...

20050244014 - Acoustic-based temperature sensing in telephones: A communication device includes a speaker, a microphone, and a processor connected to the speaker and the microphone. The processor is arranged for calculating ambient temperature by playing a test sound on the speaker, measuring a transit time of the test sound from the speaker to the microphone, and determining...

20050244015 - Method and apparatus to evaluate sound quality according to a measuring mode: A method and apparatus to evaluate sound quality by measuring physical characteristics of an audio system according to one or more measuring modes. The method includes selecting one of an anechoic mode or a room mode as a measuring mode, measuring physical sound characteristics generated by the audio system according...

20050244016 - Parametric loudspeaker with electro-acoustical diaphragm transducer: A method is disclosed for generating parametric audio output based on the interaction of multiple ultrasonic outputs within air as a nonlinear medium. The method includes the step of generating an electronic signal comprising at least two ultrasonic signals having a difference in value which falls within an audio frequency...

20050244017 - Transducers coated with anechoic material for use in down hole communications: A communication device is located within a well and includes a transducer that converts a first electrical signal into a first acoustic signal for transmission through the well and that converts second acoustic signal received from the well to a second electrical signal. The transducer is at least partially coated...

20050244018 - Method and device for matching the phases of microphone signals of a directional microphone of a hearing aid: The phase differences of microphones of a hearing aid microphone are to be reduced. To do this, the level of an output signal (y1(t)) of a directional microphone is compared with an omnidirectional signal (y1′(t)). If the level of the output signal of the differential directional microphone (y1(t)) is above...

20050244019 - Method and apparatus to improve the reproduction of music content: In a method for eliminating voice signals from a stereo input signal stream a monophonic and a stereophonic signal stream is derived by adding (3) and subtracting, (4) respectively, the left and right signal content of the stereo input signal stream, where after the monophonic signal stream is filtered by...

20050244020 - Microphone and communication interface system: The present invention eliminates the disadvantages of an analysis target used by a cellular phone and speech recognition, that is, a normal sound which is transmitted through the air and which is externally sampled through a microphone, and improves the disadvantages that noise may be mixed or occur in the...

20050244021 - Adjusting and display tool and potentiometer: An adjusting tool having two electrical contacts provides a means for measuring an electrical signal that is used for adjusting electrical parameters of an object as the object is being physically adjusted by the adjusting tool. In an embodiment, the adjusting tool is configured such that the two electrical contacts...

20050244022 - Hearing aid compatible device: A removable bezel (122) for use with an audio device (120) to enhance operation with a hearing aid (102). The removable bezel (122) has an electromagnetic coil (132) that is coupled to the audio output (124, 304, 404, 406) of the audio device. The electromagnetic coil (132) is either inductively...

20050244023 - Method of processing an acoustic signal, and a hearing instrument: A method of processing an acoustic input signal into an output signal in a hearing instrument includes converting the acoustic input signal into a converted input signal, and applying a gain to the converted input signal to obtain the output signal. According to the invention, the gain is calculated using...

20050244024 - Hearing aid with a resonator carried by the hearing aid housing: For reducing the installation space necessary for an antenna in a hearing aid, the antenna is formed as an electrically conducting layer in the material of the housing or on the hearing device housing. In this way, the housing is used as a carrier material for the antenna and it...

20050244025 - Portable audio reproduction system: A portable system capable of receiving audio signals from one or more sources and reproducing the signals via speakers contained therein. The portable audio reproduction system can include a docking station or similar means for communicatively coupling an audio device to the portable audio reproduction system, thereby reducing desktop clutter...

20050244026 - Flexible earpiece for a hearing aid: The present invention relates to a flexible ear mould fitting a large number of users while providing a high level of comfort and comprising a base and at least one sidewall that is attached to the base and has an edge that extends substantially from the base to an opening...

20050244027 - Headphones: According to the invention a headphone set comprising a hoop band, to each of the two ends of which is fixed a respective acoustic transducer and which extends arcuately in a plane, with at least one joint for folding the ends of the hoop band inwardly in the plane and...

20050244028 - Electroacoustic transducer with built in transducer circuit: In an electroacoustic transducer (1), an annular shaped magnet system (14) is provided, enclosing an inner space (22), in which inner space (22) an integrated circuit (31) is accommodated, with the aid of which integrated circuit (31) an electrical signal to be sent to a moving coil (29) of transducer...

20050244029 - Speaker apparatus and speaker diaphragm: A speaker apparatus including a diaphragm for emitting sound; and a frame for holding the diaphragm, wherein the diaphragm has a bent portion along inner periphery of the frame....

20050244030 - Speaker apparatus: A speaker apparatus including a diaphragm; a damper which elastically supports the diaphragm at a damper mount portion; and a frame to which the diaphragm and the damper are attached, wherein the frame has at least one aperture on a back side in a sound emitting direction with respect to...

20050244031 - Suspension for the voice coil of a loudspeaker drive unit: A suspension, for the voice coil of a loudspeaker drive unit, includes an inner ring to be connected to the voice coil of the loudspeaker drive unit; an outer ring to be connected to the chassis of the loudspeaker drive unit; and a plurality of radial spoke-like members connecting the...