Electrical audio signal processing systems and devices inventions 04/06

20060088168 - Multichannel spectral vector mapping audio apparatus and method: A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be played back in stereo and multichannel formats from a conventional stereo signal on compact discs, FM radio, or other...

20060088169 - Condenser microphone: In a condenser microphone of double shield construction having an external cylinder and an internal cylinder, both of which are made of a metal, especially like a line microphone, impedance between shield parts against a high-frequency current caused by electromagnetic waves is always kept low, by which the occurrence of...

20060088170 - Audio appliance: An embodiment of an audio appliance includes a housing containing first, second, third, and fourth audio monitors. The first and second audio monitors are configured to broadcast a stereo output in a first direction relative to the housing. The third and fourth audio monitors are configured to broadcast the stereo...

20060088171 - Earphone type player: An earphone type player that comprises a voice player is disclosed, wherein an arc shape shaft having an earphone mounted on a distal end thereof is mounted respectively on both sides of the voice player such that the music stored in the voice player is shown through the earphones located...

20060088172 - Speaker apparatus for vehicle: A speaker apparatus for vehicle in which a resin terminal plate is mounted on a speaker frame supporting a diaphragm of a speaker unit and at least one network element is mounted on the resin terminal plate. The network element on the resin terminal plate is covered with a resin...

20060088173 - Ceiling microphone assembly: An overhead microphone assembly using multiple unidirectional microphone elements. The microphone assembly is installed overhead, generally above all the desired sound sources and below the undesired sound sources. The signals from these multiple microphone elements are fed into a microphone steering processor which can mix and gate the signals to...

20060088174 - System and method for optimizing media center audio through microphones embedded in a remote control: A method and system for optimizing media center audio through microphones embedded in a remote control are described. One embodiment of the method involves receiving a command to optimize audio of two or more speakers. Audio data is outputted on the two or more speakers in response to the command....

20060088175 - Sound processing system using spatial imaging techniques: A sound processing system reduces the instances when only a center speaker is heard. The gain of a volume setting is adjusted for individual speakers in response to one or more input signals. The gain of the center speaker is attenuated in relation to the global volume setting. In addition...

20060088176 - Method and apparatus for intelligent acoustic signal processing in accordance wtih a user preference: The present invention is directed to a “smart earplug” capable of selectively adjusting the output of an array of acoustic wave generation elements or speakers within a user's ear canal in response to input signals, wherein at least one of the input signals has been at least partially attenuated....

20060088177 - Speaker unit: In a speaker unit of the present invention, a diaphragm with an aspect ratio exceeding one is provided in an internal space of a frame. The frame has both ends thereof provided with a pair of air holes opening on a rear surface, and a pair of electrode members attached...

20060088178 - Ear flaps for helmets: Eear flap/warmers (1) found in sporting helmets (2) allow the wearer to connect to and utilize external audio (stereo) reproduction and/or 2-way communication devices with added convenience over previous inventions by incorporating a mechanical electrical interconnect (12) located in or by replacing, the helmet chinstrap connection. The user can conveniently...

20060088179 - Moveable device component with acoustic porting: An acoustic porting arrangement is provided that uses sound pressure signal ports (202, 112) to enhance speaker (406) and microphone cartridge (402) performance when mounting the speaker (406) on a moveable component, such as a flip part (102) of a flip-type cellular phone (100). A speaker acoustic path (504) is...

20060088180 - Speaker device: A speaker device includes a vibration system, having a voice coil bobbin, a diaphragm, a supporting cap and a cap, and a magnetic circuit system. The inner peripheral edge portion of the diaphragm is mounted on an area in the vicinity of the upper end portion of the outer peripheral...

20060088182 - Speaker apparatus: A cross-sectionally substantially-semicircular portion of an edge portion adapted to connect an outer periphery of a diaphragm to a speaker frame is configured to have an uneven-thickness structure in which the thickness of the portion gradually decreases toward a sticking portion of an outer peripheral portion of the speaker frame...

20060088183 - Speaker apparatus: An outer circumferential portion of a speaker frame on which an edge overlap width portion of an edge portion around the outer circumference of a diaphragm has a taper portion overhanging obliquely forward from the speaker attaching opening diameter d1, an edge attachment portion extending from the outer circumference of...

20060088181 - Speaker device and manufacturing method thereof: A speaker device includes a magnetic circuit system and a vibration system. The vibration system has a voice coil bobbin, a voice coil wound therearound, a damper, an annular member, a diaphragm and one additional annular member fixed to the voice coil via an adhesive. In the vibration system, the...

20060088184 - Speaker device: A loudspeaker device 1 includes an acoustic diaphragm 5 composed of a domed diaphragm 11, an edge-like diaphragm 13, and a junctional flat portion 12 which joins those domed and edge-like diaphragms, and a joined portion 23 where an end surface of a bobbin 4 of a voice coil or...

20060083380 - Receiver: The invention aims to reduce the amount of circuitry in a receiver for receiving broadcast radio waves transmitted using an IBOC system that allows simultaneous transmissions of an analog broadcast and a digital broadcast with the same content. The amount of circuitry is reduced by making provisions to reproduce only...

20060083381 - Audio processing: The present invention relates to audio signal processing such as equalisation and spatial enhancement functions. The present invention provides an audio signal processing circuit arrangement for two audio channels, and which combines spatial enhancement or acoustic mixing (crosstalk) cancelling with graphic equalisation functions. This is achieved with a circuit structure...

20060083382 - Method and apparatus for reproducing audio signal: An audio signal is supplied to a loudspeaker array to perform wavefront synthesis. A virtual sound source is produced at an infinite distance using wavefront synthesis. A propagation direction of a sound wave emitted from the virtual sound source is changeable....

20060083383 - Dynamically controlled digital audio signal processor: A system and method for processing multiple channel audio signals to create a realistic soundscape in a space largely independent of the number of loudspeakers and audio source channels is provided. The system includes an encoding system in the recording process and a decoding system in the local listening area....

20060083384 - Amplitude and phase compensator for btsc encoder: A BTSC encoder includes a sum channel (L+R), a difference channel (L−R), and one or more of a phase compensator and an amplitude compensator. The sum channel (L+R) has a L audio input for receiving a digital L audio signal, a right (R) audio input for receiving a digital R...

20060083385 - Individual channel shaping for bcc schemes and the like: At an audio encoder, cue codes are generated for one or more audio channels, wherein an envelope cue code is generated by characterizing a temporal envelope in an audio channel. At an audio decoder, E transmitted audio channel(s) are decoded to generate C playback audio channels, where C>E≧1. Received cue...

20060083386 - Method for operating a hearing device as well as a hearing device: In order to switch between different hearing programs to adjust to a momentary acoustic scene, a method for adjusting a hearing device, in which one of several possible hearing programs can be selected in order to adjust to a momentary acoustic scene, the method comprising the steps of detecting a...

20060083387 - Specific sound playback apparatus and specific sound playback headphone: A specific sound playback apparatus buffers sound collected by a microphone in a sound storage section and determines the presence or absence of a phrase or a sound pattern previously registered in a sound pattern registration section. Upon detection of the registered phrase or sound pattern, the specific sound playback...

20060083388 - System and method for selectively switching between a plurality of audio channels: A system and method for selectively switching between a plurality of audio channels are provided. The system and method of the present disclosure will enable a user to listen to desired audio content, e.g., music with a total lack of distraction while selectively allowing certain important and selected sounds to...

20060083390 - Microphone system having pressure-gradient capsules: A microphone system may include a housing having a housing opening. Pressure-gradient capsules may be provided in the housing. The capsules may include a diaphragm and at least one sound entry opening. One sound entry opening may be connected with a front side of the diaphragm in an acoustically conductive...

20060083389 - Speakerphone self calibration and beam forming: A communication system includes a set of microphones, a speaker, memory and a processor. The processor is configured to operate on input signals from the microphones to obtain a resultant signal representing the output of a virtual microphone which is highly directed in a target direction. The processor also is...

20060083391 - Multichannel sound reproduction apparatus and multichannel sound adjustment method: Loudspeakers are sequentially selected by input/output switches and switched to the sound output mode, while the other non-selected loudspeakers are switched to the sound input mode. A loudspeaker in the sound output mode emits a test sound, and the other loudspeakers function as microphones to collect the test sound. The...

20060083392 - Condenser microphone: The present invention provides a condenser microphone having a proximity sensor consisting of an infrared light emitting diode and an infrared photodetector, the condenser microphone preventing the occurrence of noise and the malfunctioning of the infrared photodetector when the infrared light emitting diode is lighted using an AC component. Specifically,...

20060083393 - Multiple channel wireless communication system: A wireless audio distribution system may include a wireless transmitter transmititing an encoded digital bitstream serially combining each of a plurality of audio input channels and control data, a wireless receiver receiving the transmitted bitstream, a manual selector switch to for selecting one or more of the audio input channels...

20060083394 - Head related transfer functions for panned stereo audio content: A method to process audio signals, an apparatus accepting audio signals, a carrier medium that carried instructions for a processor to implement the method to process audio signals, and a carrier medium carrying filter data to implement a filter of audio signals. The method includes filtering a pair of audio...

20060083395 - System and method for automatically adjusting hearing aid based on acoustic reflectance: Method and system for automatically adjusting a hearing aid. The method includes measuring an acoustic reflectance associated with an ear canal as a function of an incident pressure and an acoustic frequency, processing information associated with the measured acoustic reflectance, determining a reflectance slope based on, at least, information associated...

20060083396 - Hand-held wireless speaker: A handheld wireless speaker comprises a body having a receiving chamber; a positioning seat installed within the receiving chamber. The body further has a battery chamber of receiving at least one battery. A sensor is assembled in the body. A volume control panel is assembled within the body. A plurality...

20060083397 - Wireless headphone with a self-actuated switch: A wireless headphone with a self-actuated switch has a belt, two retainers and a self-actuated switch. The self-actuated switch has a base and a resilient bar. The base is mounted in a mounting recess in the belt and has a button. The resilient bar is mounted in the mounting recess...

20060083398 - Insert earphone assembly for audiometric testing and method for making same: An improved insert earphone for audiometric testing is provided, having a housing, a receiver located within the housing, a flexible eartip located externally to the housing, and a tube nipple acoustically coupled between the receiver and the flexible eartip. The flexible eartip has a flexible tube portion that is coupled...

20060083399 - Earphone connector assembly: The present invention relates to an earphone connector assembly which comprises: a connector, a cover and a plurality of independent terminals. The connector is provided with a plurality of sockets, in the sockets are formed retaining holes, and the independent terminals are provided with non-return flap in response to the...

20060083400 - Apparatus for creating motion amplification in a transducer with improved linkage structure: Various linkage assemblies are shown and described for connecting a first movable member to a second movable member of a transducer. The linkage assemblies provide for motion amplification or reduction and, when used for sound generating purposes such as hearing aids or speakers, three different schemes for compensating for amplification-induced...

20060083401 - Speaker of a portable terminal having a resonance space: A speaker of a portable terminal having a resonance space defined in the portable terminal such that the sound can advance in multiple directions through the resonance space, thereby enabling a user of the terminal to hear a large volume of high quality sound. The speaker includes an internal antenna...

20060083402 - Angled cone of loudspeaker: An angled cone of loudspeaker is pressed with heat to form a polygonal cone body, in which a plurality of turning points is arranged radially while a deflective line is disposed annually to thereby maintain the proper elasticity and the strength of the cone....

20060078128 - Receiver: The invention refers to a method for a receiver (1) having a signal path (3) incorporating a tuner (4), a frequency demodulator circuit (5) for supplying an analog stereo multiplex signal comprising a baseband stereo sum signal, a 19 kHz stereo pilot and a stereo difference signal, which is double...

20060078129 - Sound system with a speaker box having multiple speaker units: Presented is a surround sound system including a loudspeaker enclosure containing a left speaker, a right speaker, and a center speaker. The speakers receive separate audio signals previously processed by a channel decoder. A virtualizer performs a head related transfer function (HRTF) on at least two audio channels. First and...

20060078130 - System and method for designing sound systems: The invention is directed to a display and method for conducting sound system design. The display is configured to simultaneously show a sound system model comprising both audio components and sound environment components, a plurality of parameters and a graphic representation of a calculated sound system performance attribute. In response...

20060078131 - Sonic exciter: An apparatus for sonic excitation of a surface includes a transparent pane. A sidewall structure cooperates with the pane to define an open cavity facing the surface. At least one speaker is positioned to introduce sound to the cavity. Sound canceling means are provided for at least partially canceling transmission...

20060078132 - Method and apparatus for reproducing audio signal: An audio signal is supplied to a loudspeaker array to perform wavefront synthesis. A virtual sound source is produced at an infinite distance using wavefront synthesis....

20060078133 - Integrated circuit systems and methods using block gain expansion and compression to improve the noise of analog storage in non-volatile memory cells: Integrated circuit systems and methods using block gain expansion and compression to improve the noise of analog storage in non-volatile memory cells, particularly for small signals when noise would be most perceivable. In an exemplary embodiment, the analog samples of an audio signal are grouped and the largest sample in...

20060078134 - In-line microphone filter: An in-line microphone filter may include a housing and a filter circuit housed in the housing. A first connector at one end of the housing is connected to an input of the filter circuit and a second connector at another end of the housing is connected to an output of...

20060078135 - Ribbon-microphone transducer: Provided is a ribbon-microphone transducer that uses an angled-magnet structure and/or a gap (e.g., near the center of the ribbon) in the magnetic structure in order to provide improved sensitivity and frequency response....

20060078136 - Chamber-loaded augmented passive radiator: A loudspeaker in which an electromagnetic transducer drives a chamber-loaded augmented passive radiator (APR). The loudspeaker uses a bandpass enclosure such that the transducer produces sound pressure directly into a listening space, and the APR produces sound pressure into the listening space via an acoustic coupler through a chamber which...

20060078137 - Dynamic pressure sensing structure: A dynamic pressure sensing structure used in a condenser microphone includes an upper electrode plate, a lower electrode plate, a spacer and a substrate, wherein the upper and lower electrode plates are separated by the spacer and form a resonance cavity with the substrate. The upper electrode plate comprises a...

20060078138 - Electro-optical device and electronic apparatus: An electro-optical device includes a display section that has a display region, a plurality of sound-production bodies that are disposed to overlap the display section and produce sound, and a first frame that is disposed between the display section and the sound-production bodies and holds the display section. The first...

20060078140 - Hearing aids based on models of cochlear compression using adaptive compression thresholds: In a hearing amplification device adapted to receive a sound signal, the hearing amplification device having at least one channel configured to receive an input representative of said sound signal, the improvement comprising the channel being further configured to provide (1) linear gain for an input representative of a portion...

20060078139 - Method for adapting a hearing device to a momentary acoustic surround situation and a hearing device system: In a signal processing unit (a) of a hearing device (1) the signal processing unit (8) consisting of a signal analyzing unit (9) and a signal identification unit (10), the momentary acoustic surround situation is identified. Based on this identified surroun situation, the parameter set (7) belonging to the identified...

20060078141 - Hearing aid and a method of processing a sound signal in a hearing aid: The present invention relates to a hearing aid (1) comprising a housing (2), at least a first microphone for receiving ambient sound, processing means for processing a signal from the first microphone (6, 7) and an output transducer. At least one further microphone (8) is disposed in said hearing housing...

20060078142 - Face plate connector for hearing aid: A hearing aid programming system includes a hearing aid housing; a faceplate attached to the hearing aid housing with an opening for receiving a battery door and also having an outside surface; programming terminals located in the opening immediately adjacent the outside surface of the faceplate; a battery door located...

20060078143 - Display and electrical connection structure thereof: A display and an electrical connection structure thereof. In the electrical connection structure, a first conduction module and a second conduction module are pivoted on a shaft with an insulator. The second conduction module is capable of rotating with respect to the first conduction module. The insulator is disposed between...

20060078144 - Compound-driven augmented passive radiator: A loudspeaker in which a compound driver drives an augmented passive radiator (APR). Either the compound driver and/or the APR may be coupled to the enclosure in a high-pass configuration such that it produces sound pressure directly into a listening space, or in a band-pass configuration such that it produces...

20060078145 - Narrow directional microphone: A narrow directional microphone includes an acoustic tube made of a resin film having thousands of minute holes, and a microphone unit attached in a rear end of the acoustic tube. The acoustic tube is made of a resin film having thousands of minute holes and curled up. The minute...

20060078146 - Desktop terminal foot and desktop system: The present invention discloses an inventive microphone assembly for desktop communication systems. It utilises the advantages of placing the microphone in a desktop conferencing system as close as possible to the tabletop surface, without exposing the microphone for unfavourable mechanical or acoustic influence. This is achieved by building it into...

20060078147 - Fixing unit for microphone: A fixing unit for a microphone capable of easily changing a direction in which a microphone cable is drawn without removing a connector is provided. A slit 24 for drawing a microphone cord C is provided from a top end to bottom end of a tubular fixing sleeve 22 fitted...

20060078149 - Boundary microphone: There is provided a boundary microphone especially suitable for outdoor applications, which has strong waterproof and high wind noise resistance. In a boundary microphone in which a microphone case 1 includes a flat base portion 10 the upper surface side of which is open, and a microphone cover 20 having...

20060078148 - Condenser microphone: In a side-entry condenser microphone, noise is prevented effectively from being generated by electromagnetic waves coming from the outside. In a side-entry condenser microphone including a metallic head case portion 10 which is covered with a metallic guard net 12 at an upper part thereof and is formed into a...

20060078150 - Low cost hearing protection device: An apparatus having at least one earpiece, a circuit and a power supply. The earpiece having a speaker and a microphone. The microphone receiving external sound energy and converting the external sound energy to electrical sound signals. The circuit receiving the electrical sound signals and attenuating the electrical sound signals...

20060078151 - Loudspeaker having cooling system: A loudspeaker has a cooling system in which a pole portion has a shorting ring made of non-magnetic conductive material that stabilizes magnetic field to reduce distortion of sound and a heat dissipation plate that couples to the shorting ring to facilitate efficient dissipation of heat. The heat generated by...

20060078152 - Ribbon microphone incorporating a special-purpose transformer and/or other transducer-output circuitry: Provided is a ribbon-microphone circuit that includes a ribbon transducer and a specially designed transformer. In various possible configurations, the transformer: is a toroidal transformer, has multiple interleaved primary windings, has exactly four primary coils, is a tape-wound-core transformer, has a turns ratio of the composite secondary coil to the...

20060078153 - Speaker having spacer ring inside frame: A speaker comprises: a magnetic circuit composed of a pot yoke, a magnet, and a pole piece; a diaphragm shaped conical, defining an outer periphery and an inner periphery, and having a surround half-rolled and fixedly disposed at the outer periphery and a voice coil bobbin with a voice coil...

20060078154 - Electricalacoustic ransducer: Disclosed is an electrical acoustic transducer applied to speakers, earphones, headphones, etc. The electrical acoustic transducer includes a frame having a cone, a voice coil provided on a lower end of the cone, a yoke and a permanent magnet that are provided on a lower end of the frame, a...

20060072764 - Audio based data representation apparatus and method: The data representation apparatus (100) for representing data by means of an audio signal (o), contains an processing unit (102) arranged to deliver the audio signal (o) with a characteristic (C) dependent on a positionless data variable (p) capable of having a first value (206) and a second value (208),...

20060072765 - Acoustic system, control method therefor, program for implementing the method, and storage medium storing the program: An acoustic system that is capable of forming a desired sound field and sound pressure as desired and in a flexible manner depending on the situation when speakers are newly installed and when installed speakers are increased or decreased later. A plurality of speaker units each include a plurality of...

20060072766 - Reverberation removal: A method of removing reverberation from audio signals is disclosed. The method comprises spectro-temporally analyzing the first audio signal and the second audio signal to derive an energy function of time for a plurality of frequency bands. The method further comprises determining a delay stability between the energy function of...

20060072767 - Method and apparatus for multi-sensory speech enhancement: A method and apparatus determine a channel response for an alternative sensor using an alternative sensor signal and an air conduction microphone signal. The channel response is then used to estimate a clean speech value using at least a portion of the alternative sensor signal....

20060072768 - Complementary-pair equalizer: A method and apparatus are described which reduce the presence of an unwanted signal. According to one embodiment, a first signal is provided from a desired location that includes an unwanted signal while a second signal is provided from an alternate location (e.g., one where the unwanted signal is less...

20060072769 - Audio output level setting method and device: In a device equipped with audio output, a range of the audio output level in regular use is set. When an attempt is made to change the setting to a volume level exceeding the range of the audio output level having been set, a request is made for an acknowledgement...

20060072770 - Electrostatic ultrasonic transducer and ultrasonic speaker: A push-pull type electrostatic ultrasonic transducer includes a vibrating film 11 having a conductive layer and a pair of fixed electrodes 12, 13 provided facing respective surfaces of the vibrating film, and applies a direct current bias voltage to the conductive layer of the vibrating film and applies an alternating...

20060072771 - Software monitor and control application for use with a digital audio studio suite: A crosspoint matrix for digital signal routing and control, the matrix realized by software code includes a plurality of configurable inputs adapted to accept one or more input signals; a plurality of configurable outputs connected via signal paths to the inputs; and a plurality of variable gain control circuits described...

20060072772 - Piezoelectric loudspeaker: A loudspeaker (8), including a piezoelectric disk (10) having a first diameter and a diaphragm disk (12) which is fixed to the second diameter greater than the first diameter. The loudspeaker further includes a cover (14), consisting of a convex surface (24) bounded by an annulus (26, 27), which mates...

20060072773 - Dipole and monopole surround sound speaker system: A speaker system utilizes dipole speaker drivers in conjunction with monopole speaker drivers in a listening area to disperse a surround sound effect to a listener. The dipole speaker drivers are physically mounted on top of the front left and right speakers and are angled in a way that the...

20060072774 - Electronic battery-powered hearing instrument, and method for operating such a hearing instrument: s

20060072775 - Angle piece at hearing devices: At the exit of a hearing device (3) (for acoustic or sound-signals) a tube-like connecting-element or an angle piece (21) is arranged. At the end of the connecting element or angle piece (21) a thread (23) is arranged for connecting a tube (29) for sound or acoustic transmission of the...

20060072776 - Amplifier and sub-woofer speaker system: Some embodiments of the present invention employ a subwoofer speaker adapted to be recessed within a wall or other building structure. In another aspect of the present invention, an amplifier is adapted to be recessed within a wall or other building structure, and can be employed with the recessed subwoofer...

20060072777 - Loudspeaker apparatus: A loudspeaker apparatus in which a diaphragm is reinforced easily and favorably. The loudspeaker apparatus includes a loudspeaker diaphragm formed by joining a domed diaphragm and an edge-like diaphragm and vibrated using a voice coil, and a reinforcement ring reinforcing a junctional flat portion or the vicinity of the junctional...