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Electrical audio signal processing systems and devices November USPTO class patent listing 11/07

20070274531 - Sound pressure monitor: A method and apparatus for automatically adjusting the volume of a headset is described herein. The headset includes a speaker and a pressure transducer. The speaker projects audible signals into the ear canal, while the pressure transducer measures a sound pressure level in the ear canal. Based on the measured... Agent: Coats & Bennett/sony Ericsson

20070274532 - Audio reproduction device, audio system and audio delivery device: An audio reproduction device comprising a PLC unit for receiving communications signals of power line communications transmitted through a power line and outputting digital audio data included in the communications signals, an audio signal generation circuit for generating analog audio signals based on the digital audio data, a power supply... Agent: Fish & Richardson P.C.

20070274536 - Collecting sound device with directionality, collecting sound method with directionality and memory product: A sound input from sound sources existing in a plurality of directions is accepted and converted into a signal on a frequency axis. A suppressing function to suppress the converted signal on a frequency axis is computed, an amplitude component of a signal on a frequency axis is multiplied by... Agent: Kratz, Quintos & Hanson, LLP

20070274527 - Crosstalk canceller: The invention is a crosstalk canceler wherein different frequency bands are canceled at different locations so as to allow greater listener movement about the “sweet spot” while maintaining effective crosstalk cancellation. A spectrally smooth canceler equalization is used, reducing artifacts for listeners away from the sweet spot and further enlarging... Agent: Eppa Hite Carr & Ferrell

20070274528 - Acoustic processing device: A path of a virtual sound source moving through a virtual sound field space and move start and end conditions are input and an effective acoustic signal is generated. An acoustic processing device includes a sound source path input section 12 for inputting path data of a virtual sound source,... Agent: Pearne & Gordon LLP

20070274529 - Hearing protector: A hearing protector comprises a hearing hood (2), a microphone (7), a loudspeaker and an amplifier. The hearing hood (2) has passive noise damping. The microphone (7) is disposed exteriorly on the hearing protector, while the loudspeaker is disposed inside the hood. The amplifier amplifies and transmits the signals from... Agent: Cantor Colburn, LLP

20070274530 - Audio entertainment system, device, method, and computer program: An audio entertainment system (100) comprises: a set of earpieces (101) for transducing audio (102), with a first earpiece (103) having a first input means (104) for receiving input (113) to control (106) the transducing; and a first detector (107) for detecting the first earpiece (103) being positioned (108) for... Agent: Philips Intellectual Property & Standards

20070274534 - Audio recording system: An audio recording system comprises an array of microphones and a processor module. The array is a logarithmic spiral array in which the minimum distance between each microphone and all others that lie closer to the centre is maximised. The processor module further comprises a beam direction control device and... Agent: Crowell & Moring LLP Intellectual Property Group

20070274533 - Microphone system for the fueling environment: A refueling environment includes a fuel dispenser position having an intercom system that comprises a speaker unit and a microphone unit. The dispenser microphone unit includes an array of directional microphones defining an acoustic coverage pattern tailored to receive voice communications uttered by a customer. A voice-activatable fuel dispenser controller... Agent: Baker & Daniels LLP 111 E. Wayne Street

20070274535 - Echo and noise cancellation: Methods and apparatus for echo cancellation in a system having a speaker and a microphone are disclosed. The speaker receives a speaker signal x(t). The microphone receives a microphone signal d(t) containing a local signal s(t) and an echo signal x1(t) that is dependent on the speaker signal x(t). The... Agent: Joshua D. Isenberg Jdi Patent

20070274537 - Methods and apparatus for generating signatures: Methods, apparatus, and articles of manufacture for media monitoring are disclosed. In particular, the example methods, apparatus, and articles of manufacture generate digital spectral signatures for use in identifying media information. Initially, a frame of media samples is obtained. A first frequency component having a first spectral power and a... Agent: Hanley, Flight & Zimmerman, LLC

20070274538 - Audio signal enhancement: An audio signal (A) is enhanced by dividing the signal into time segments of a selected frequency range and scaling the audio signal in each time segment. The time segments (S) are defined by zero crossings (Z) of the audio signal, thus avoiding the introduction of any undesired harmonics. The... Agent: Philips Intellectual Property & Standards

20070274539 - System and method for hierarchical audio conflict control: A control system and associated method resolving audio conflicts. The control system comprises a computing device, a memory device comprising a database, and a plurality of audio sources. The memory device is coupled to the computing device. The database comprises input data. The computing device is adapted to control an... Agent: Schmeiser, Olsen & Watts

20070274540 - Audio mixing: The invention relates to a method and an apparatus for mixing audio signals. The invention is based on the idea to base selection of what audio channels to mix on the dynamic behaviour of the audio channels in terms of whether they are active or not, rather than basing the... Agent: Birch Stewart Kolasch & Birch

20070274542 - Damper for speaker device and speaker device: A damper includes an outer peripheral frame (first annular part), an inner peripheral frame (second annular part) arranged on an inner side of the outer peripheral frame, and first and second arms. The first and second arms have the elasticity, and are arranged between the outer peripheral frame and the... Agent: Nixon & Vanderhye, PC

20070274541 - Superdirectional acoustic system and projector: A superdirectional acoustic system for reproducing a sound signal supplied from a real sound source by using a superdirectional speaker and producing a virtual sound source in a vicinity of a sound wave reflection surface. The system includes an ultrasonic speaker, which includes an ultrasonic transducer for oscillating a sound... Agent: Harness, Dickey & Pierce, P.L.C

20070274543 - Multifunction-type vibration actuator and mobile terminal device: A portion near the outer periphery of a diaphragm 3 is bent to form a rising portion 3b extending along an inner periphery 1a of a housing 1 toward an open end thereof. This rising portion 3b serves as a corrugation to decrease the lowest resonance frequency and the amplitude... Agent: Nixon Peabody, LLP

20070274544 - Electretization method and apparatus: While a dielectric film is set to have a ground potential, a fixed electrode is set to have a different potential from the ground potential. Thereafter, ions produced by corona discharge are allowed to pass through a plurality of acoustic holes formed in the fixed electrode and reach the dielectric... Agent: Mcdermott Will & Emery LLP

20070274545 - Electrostatic speaker: An electrostatic speaker capable of relaxing a restriction on the allowable amplitude of a diaphragm while maintaining the linearity of a force acting on the diaphragm. The electrostatic speaker mainly includes electrodes opposed to each other, a diaphragm, and elastic members interposed between the diaphragm and the electrodes. The elastic... Agent: Harness, Dickey & Pierce, P.L.C

20070274546 - Music contents reproducing apparatus: A contents reproduction control portion uses feature quantity data about feature quantities of pieces of music and an interference degree table which defines degrees of interference among the feature quantities. In this manner, interference music to be output from between front-seat speakers and music to be output from rear-seat speakers... Agent: Ratnerprestia

20070274547 - Display device: A display device includes a display unit, a sound unit, a speaker positioning mechanism and a speaker attaching mechanism. The display unit is configured to display images. The sound unit is configured to output audio. The sound unit has top and bottom left speakers and top and bottom right speakers.... Agent: GlobalIPCounselors, LLP

20070274548 - Multi-channel headphone: A multi-channel headphone includes a case adapted to be worn on user's ear and cover the whole ear, in which a middle speaker, a front speaker, rear speaker and a bass speaker are provided. The front speaker has a broadcasting portion facing a front side of an auricle of the... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070274549 - Hearing apparatus having an oscillator circuit and corresponding method: Hearing apparatuses and in particular hearing devices are to be designed to be smaller. To this end, a hearing apparatus having a housing and a coil arranged in the housing are proposed. A current detection facility is connected to the coil in order to detect a current flowing through the... Agent: Siemens Corporation Intellectual Property Department

20070274550 - Hearing assistance system and method of operating the same: There is provided a method of operating a hearing assistance system comprising a hearing device (10, 110, 210), which comprises means (24) for stimulating a user's hearing and which is worn at one of the user's ears, and a remote device (12, 30, 40) spaced apart from the hearing device.... Agent: Roberts, Mlotkowski & Hobbes

20070274551 - Implantable bone-vibrating hearing aid: The present invention proposes an implantable bone-vibrating hearing aid, including a transmitting coil for receiving an audio-converted signal and generating a corresponding magnetic field, a magnetic conducting element for sensing the corresponding magnetic filed to generate a driving force, and a vibrating module for receiving the driving force and generating... Agent: Wpat, PC

20070274552 - Environmental noise reduction and cancellation for a communication device including for a wireless and cellular telephone: Various embodiments of the present invention enable a system and method for reducing or entirely canceling background or environmental noise from a voice transmission from a communications device. A communications device, such as a mobile telephone, is configured with an environmental noise compensation, correction, or counterbalanced (correction) signal generator that... Agent: Steven A. Nielsen Allman & Nielsen, P.c

20070274553 - Method for generating an acoustic signal or for transmitting energy in an auditory canal and corresponding hearing apparatus: Changing batteries in hearing apparatuses worn in the auditory canal is to be designed in a more user-friendly manner. To this end, a hearing apparatus is provided with a first component which can be worn in the auditory canal, said component comprising a receiver unit for the wireless reception of... Agent: Siemens Corporation Intellectual Property Department

20070274554 - Reversible speaker grill attachment: A loudspeaker having a speaker basket including a basket rim, a speaker mounting hole, and a coupling hole disposed through the basket rim. The loudspeaker includes a first grill coupling engaged with the coupling hole, as well as a grill removably attached to the basket rim via the first grill... Agent: Stetina Brunda Garred & Brucker

20070274555 - Acoustic ribbon transducer arrangements: A ribbonned microphone assembly, for adjustable sound receiving capabilities, including a transducer having a surrounding flux frame for positioning at least two magnets adjacent a suspended ribbon between the magnets. An array of receiving apertures is arranged in the flux frame. At least one curved return ring positioned in the... Agent: Donald N. Halgren

20070274557 - Speaker: A degree of freedom in designing a circuit board to which a speaker is attached is enhanced. The speaker including: a frame with a yoke of a magnetic circuit portion embedded inside a central through hole; a diaphragm having a voice coil inserted in a magnetic circuit of the magnetic... Agent: Ladas & Parry

20070274556 - Speaker device: A speaker device of the present invention roughly comprises a cabinet (1) and a speaker unit (2a). The speaker unit (2a) is attached to an opening portion formed in a front surface of the cabinet (1). The speaker unit (2a) has a back surface frame (3a), a front surface frame... Agent: Wenderoth, Lind & Ponack L.L.P.

20070274558 - Squeeze-stretch driver for earphone and the like: A squeeze-stretch (also called, herein push-pull) loudspeaker or driver, such as an electret, can operate in an active noise reduction (ANR) earplug application. Other embodiments of a squeeze-stretch loudspeaker, such as piezoelectric bimorph and balanced armature, operate in a similar way, although they will differ in detail. Other applications, such... Agent: Steven J Weissburg

20070269049 - Hearing system with network time: The method of operating a hearing system comprising at least two devices comprises the step of establishing a common network time among said at least two devices. Said at least two devices can be provided with information on the number of network time units that passed since a time zero... Agent: Pearne & Gordon LLP

20070269050 - Speaker positioning apparatus for human ear alignment: An alignment apparatus (110) for sound delivery of an audio device (100) is provided. The apparatus can include a speaker (130) mounted to an underside of a face plate (120) of the device, and a raised appendage (112) on the topside of the face plate. At least a portion of... Agent: Akerman Senterfitt

20070269051 - Measuring box for a hearing apparatus and corresponding measuring method: The size of measuring boxes for hearing apparatuses and in particular for hearing devices is to be reduced, with the efficiency of the measuring box in respect of attenuating interference noises being maintained or improved. A measuring box is thus proposed, which comprises an interference signal recording facility for recording... Agent: Siemens Corporation Intellectual Property Department

20070269053 - Hearing device and method for operating a hearing device: e

20070269054 - Processing device, squealing sound generation method in information processing device, and computer program product: A computer program product for causing a computer of an information processing device to execute processing for generating a sound that is generated by a mobile object with a plurality of tires, which moves on a predetermined surface within a virtual three-dimensional space, the computer being caused to execute the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070269052 - Sound enhancement system: A system for enhancing sound quality comprising a filter that square roots the instantaneous amplitude of frequencies in an input signal for generating artificial harmonics corresponding to said frequencies. The system can comprise an automatic level control that momentarily boosts the amplitude of a higher frequency portion of the input... Agent: Thomas N. Packard

20070269055 - Feedback system for a multiple element loudspeaker: A control circuit enhances the frequency response of a loudspeaker. Separate control circuits are provided to control the frequency response of various ranges of the frequencies in the audible spectrum.... Agent: Tim Cook

20070269056 - Method and apparatus for audio signal expansion and compression: An audio signal expansion and compression method for expanding and compressing an audio signal in a time domain, includes the steps of setting an initial value of a signal comparison length of a first comparison interval and a second comparison interval, used for detection of two similar waveforms in the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070269057 - Sound reproduction device and method for automatic gain control: The present invention provides a sound reproduction device and method for automatic gain control. The method includes steps of: providing a gain index table for listing a plurality of time period each referencing a predetermined gain value; providing a plug for attaching to an audio signal source, receiving audio signals... Agent: North America Intellectual Property Corporation

20070269058 - Microphone circuit: A microphone circuit includes an amplifier for amplifying an electric signal output from an electroacoustic transducing module, an external power supply circuit capable of supplying power for driving at least the amplifier from the outside, a light source that is turned on when an external power is supplied through the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070269059 - Microphone: To obtain a composite type microphone, the microphone preventing an increase in size and weight and thereby improving the freedom for installation and handling while keeping the phases of signals output from respective microphone units the same. A composite type microphone that incorporates microphone units of different electroacoustic conversion methods... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070269060 - Structure and method of condenser microphone device for skin-contact usage: A number of improved structures and methods to a condenser microphone device are provided so that the condenser microphone device can be used in a skin-contact manner satisfactorily. According to the proposed methods, the sensitivity of the condenser microphone device is lowered appropriately by reducing the aperture of the through... Agent: Wpat, PC Intellectual Property Attorneys

20070269061 - Apparatus, method, and medium for removing crosstalk: An apparatus, method, and medium of removing crosstalk are provided. The apparatus for removing crosstalk in each of audio signals of a plurality of channels, includes: a position recognition unit recognizing the position of a listener; a calculation unit calculating a crosstalk removal function with respect to the recognized position;... Agent: Staas & Halsey LLP

20070269063 - Spatial audio coding based on universal spatial cues: The present invention provides a frequency-domain spatial audio coding framework based on the perceived spatial audio scene rather than on the channel content. In one embodiment, time-frequency spatial direction vectors are used as cues to describe the input audio scene.... Agent: Creative Labs, Inc. Legal Department

20070269062 - Device and method for driving a sound system and sound system: A driving device for a sound system by loudspeaker signals, wherein the sound system has a wave field synthesis loudspeaker array and one or several supply loudspeakers arranged separate from the wave field synthesis array includes an audio input for receiving at least one audio signal from at least one... Agent: Glenn Patent Group

20070269064 - Hearing system and method for deriving information on an acoustic scene: d

20070269065 - Apparatus and method for operating a hearing aid: A programmable hearing aid including means for receiving and transmitting data wirelessly from and to a portable module being in proximity to said hearing aid. Said portable module has means for transmitting audio signals, fitting data or special instructions to the hearing aid processor and including means for receiving data... Agent: Sughrue Mion, PLLC

20070269066 - Method for manufacturing an audio signal: To improve processing of audio signals such audio signal is split (7) in two parts, one thereof being processed in time-domain (5) and at least the other part by frequency-domain processing (3). Thereby, the advantages of both processing domains are specifically exploited for respective parts of the signal to be... Agent: Pearne & Gordon LLP

20070269067 - Hearing device and method for monitoring the hearing ability of a person with impaired hearing: A hearing device and method for monitoring the hearing ability of a person with impaired hearing allow changes of the hearing ability specifically of a person wearing a hearing aid are to be better able to be registered and taken into account. For this purpose, the setting of an operating... Agent: Schiff Hardin, LLP Patent Department

20070269069 - Hearing apparatus with feedback detection and corresponding method: To enable hearing apparatus feedback to be reliably detected, it is provided that the hearing apparatus has an analyzer for analyzing the resonant behavior of the overall system as a function of a modification of the signal processing device and for determining from the analysis result a feedback variable constituting... Agent: Siemens Corporation Intellectual Property Department

20070269068 - Method for suppressing feedback and for spectral extension in hearing devices: Feedback whistle in hearing devices is intended to be able to be suppressed without loss of output of the useful signal. To this end, it is provided to establish or predetermine a frequency range which is susceptible to feedback. From an input signal which has a spectral component in the... Agent: Siemens Corporation Intellectual Property Department

20070269070 - Hearing device with screwed closing arrangement: There is described a hearing device. A module is enabled to be easily attached to the casing of a hearing device, in particular a hearing aid. Toward that end a bridge is provided which has a drilled hole. A screw is inserted through a drilled hole in the module and... Agent: Siemens Corporation Intellectual Property Department

20070269071 - Non-planar transducer arrays: Non-planar acoustic arrays are disclosed in which the plurality of transducers lie on a curved surface. The curved surface preferably subtends at least 90° and, in a preferred embodiment of the invention is a closed convex surface such as a cylinder. The curvature of the surface allows beams to be... Agent: Harness, Dickey & Pierce, P.L.C

20070269072 - Hearing protection and/or loudspeaker element: A hearing protection and/or loudspeaker element (1) is provided which includes a carrier part (2) arranged on a protective helmet (5) and a module (4) which can be actively connected to an outer ear of the wearer to act as a hearing protection and/or loudspeaker module. The carrier part (2)... Agent: Volpe And Koenig, P.C.

20070269073 - Earphone with microphone: The present invention to provide an earphone comprising a casing, a loudspeaker provided in the casing and adapted to amplify sound in response to receiving a voice source signal, a cap fixedly mounted onto the casing, a piezoelectric microphone provided in the cap and a sound barrier member provided between... Agent: Bacon & Thomas, PLLC

20070269074 - Omni-directional speaker lamp: A speaker, having a diaphragm with a central opening and further having a pole piece, including a first sound dispersion element extending from the pole piece through the central opening of the diaphragm and further extending beyond the diaphragm wherein the first sound dispersion element has a larger transverse perimeter... Agent: Keith L. Jenkins

20070269075 - Speaker device: A speaker device includes a speaker device terminal including a pair of terminal metals and a terminal metal mounting part on which the pair of terminal metals are mounted, and a frame including a terminal mounting part on which the speaker device terminal is mounted. The terminal mounting part is... Agent: Nixon & Vanderhye, PC

20070269076 - Electroacoustic transducer and electronic device using the same: An electroacoustic transducer has a magnetic circuit, a frame combined with the magnetic circuit, a diaphragm combined with a periphery of the frame, a voice coil, a terminal, and a holder covering the frame. The voice coil is combined with the diaphragm and a part of the voice coil is... Agent: Ratnerprestia

20070263878 - Sound mask and sound box: A sound mask is disclosed. The sound mask defines through holes. Rotational axis of the through holes are inclined relative to a surface normal of the sound mask. The sound mask is used in a sound box for obtaining a width sound field and a good distinguishing ability of sound... Agent: North America Intellectual Property Corporation

20070263877 - Multichannel spectral 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... Agent: Fish & Richardson P.C.

20070263879 - Headset for use with a communication and/or multimedia device: A headset is proposed for use with a communication and/or multimedia device, said headset comprising an interface for receiving input data, a processing unit for processing said input data to generate audio output signals, a speaker for outputting said audio output signals in a mono mode and connecting means for... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20070263880 - Electronic apparatus for vehicle, and method and system for optimally correcting sound field in vehicle: A sound field in a vehicle can be further readily and optimally corrected without forcing a user to do troublesome work. As an embodiment of the present invention, a measurement sound emitted through a left speaker or a right speaker at a further position in a view from a driver's... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070263881 - Method and apparatus for locating a talker: An apparatus for locating a talker, comprising a microphone array for receiving multiple audio signals, wherein the microphone array is characterized by a predetermined beampattern, a spectral conditioner for filtering the audio signals to optimize the beampattern for talker localization, a localization estimator for calculating a localization estimate based on... Agent: Marger Johnson & Mccollom, P.C.

20070263882 - Automatic gain control circuit and signal reproducing device: In a signal reproducing device, for securing the stability in the steady state while enhancing the response of automatic gain control, a variable gain amplifier 109 adjusts the amplitude of a reproduction signal outputted from a head amplifier 108. A gain control section 112 increases/decreases the gain in the variable... Agent: Mcdermott Will & Emery LLP

20070263883 - Automatic transformer saturation compensation circuit: A transformer saturation compensation circuit for loudspeakers in embodiments of the invention may include one or more of the following features: (a) a transformer with a primary winding and a secondary winding electrically coupled to an output, (b) a high pass filter, (c) a current dependent resistive load electrically coupled... Agent: Intellectual Property Group Fredrikson & Byron, P.A.

20070263884 - Audio mixer apparatus: An audio mixer module is configured to receive audio input signals from audio input modules and to provide audio output signals to audio output modules. The audio mixer module may be configured to selectively mix the input audio signals to produce the respective audio output signals. The audio mixer module... Agent: Myers Bigel Sibley & Sajovec, P.A.

20070263885 - Headset with integral hook: A monaural headset (one speaker) having a hook structure for holding the headset on the ear of a wearer, with the hook structure able to be stored on the headset housing or in a channel feature of the headset housing, when the headset is not in use.... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070263886 - Transducer: An inertial force transducer having an operative frequency range comprises a resonant element having a frequency distribution of modes in the operative frequency range of the transducer and a coupler for mounting the resonant element to a site to which force is to be applied. The resonant element is a... Agent: Foley And Lardner LLP Suite 500

20070263887 - Vibration amplification system for piezoelectric actuators and devices using the same: A motion amplification apparatus taking the form of a reverse vibration absorber (RVA) comprises a piezoelectric diaphragm (22); a driving diaphragm (26) configured to serve as a driving member for an actuated device (34); a mass (28) attached to the driving diaphragm (26); and, a resilient member (30) configured to... Agent: Nixon & Vanderhye, PC

20070263889 - Method and apparatus for calibrating a sound beam-forming system: A method and apparatus system for calibrating a sound beam-forming system provides calibration of low cost alternatives to present array beam-forming systems. A test signal is supplied to multiple speaker drivers and is detected from a microphone signal supplied from a microphone positioned at a listening position. A signal relationship... Agent: Mitch Harris, LLC - Cirrus

20070263890 - Reconfigurable audio-video surround sound receiver (avr) and method: A reconfigurable audio-video surround sound receiver (AVR) and method provide flexible surround speaker placement and a low cost simulated surround sound implementation. A processing circuit within an audio device or audio/visual (AV) device such as an audio-video receiver (AVR) generates signals for surround and main channel speakers that provide selectable... Agent: Mitch Harris, LLC - Cirrus

20070263888 - Method and system for surround sound beam-forming using vertically displaced drivers: A method and system for surround sound beam-forming using vertically displaced drivers provides a low cost alternative to present external surround array systems. A pair of vertically displaced speaker drivers is supplied with surround and main channel information in a controlled phase relationship with respect to each driver such that... Agent: Mitch Harris, LLC - Cirrus

20070263891 - Hearing device: The hearing device to be worn by a user of the hearing device comprises an input transducer for transducing incoming acoustical sound into audio signals; a signal processor for processing audio signals; an output transducer for transducing audio signals into outgoing acoustical sound. Said signal processor is designed such that... Agent: Pearne & Gordon LLP

20070263892 - Cellular phone pouch with caller id display: A display for use in connection with a call-receiving electronic device, and an associated headset electronic device, wherein the display is in wireless communication with and physically independent of the call-receiving electronic device and headset. The display is preferably supported by a holster, wherein the holster is further sized to... Agent: Darby & Darby P.C.

20070263893 - Mobile terminal having acoustic transducer and control method thereof: A mobile terminal having acoustic transducers and method for using the same are provided. The acoustic transducers are detachably mounted in a terminal body. When the acoustic transducers are mounted in the terminal body, they are operated as speakers, and when the acoustic transducers are separated from the terminal body,... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070263894 - Bessel line source array: An audio loudspeaker which includes a plurality of line source transducers arranged side by side and operated utilizing Bessel coefficient such that the loudspeaker as a whole operates as a line source within a line source operating frequency range. Optionally, the line source transducers may be operated in conventional line... Agent: Richard C. Calderwood

20070263895 - Microphone and method of manufacturing microphone: Regarding a microphone mounted on a small-sized device such as a mobile telephone terminal or the like, fine workability of an insertion hole for a coil spring, working accuracy of its insertion hole, and control property of the coil spring (self-sustaining property of the coil spring) are sufficiently secured, a... Agent: Mcdermott Will & Emery LLP

20070263896 - Sheathing-type earphone structure: A sheathing-type earphone structure is composed of a seat, an end of which is extended with an ear-loop being parallel connected to the other end of which, and which is opened with a through-hole; an earphone body, which is formed integrally, and is correspondingly sheathed in the aforementioned seat, an... Agent: Troxell Law Office PLLC

20070258598 - Method for parameter identification and parameter optimization of microspeakers: The present invention discloses a method for parameter identification and parameter optimization of microspeakers. Measurement procedures for identifying electromechanical constants of microspeaker and a GUI are developed to facilitate estimation of electroacoustic parameters of the microspeaker under test. In light of the thus identified microspeaker parameters, a parameter optimization procedure... Agent: Rosenberg, Klein & Lee

20070258600 - Mimo receiver with pooled adaptive digital filtering: MIMO receiver with a reconfigurable pooled digital filter is disclosed. A processor sets parameters of the filter to minimize the number of instructions per second and the amount of power required by the filter to perform, while matching the filter to a transmitter filter. The processor uses an algorithm or... Agent: Docket Clerk

20070258597 - Low frequency phase matching for microphones: The invention relates to a communication device having at least two microphones, where in order to match the microphone performance in respect of the phase response a correction filter in the form of a IIR filter is implemented and where the amplitude of the transfer function for the correction filter... Agent: Birch Stewart Kolasch & Birch

20070258599 - Noise removal for electronic device with far field microphone on console: Reduction of noise in a device having a console with one or more microphones and a source of narrow band distributed noise located on the console is disclosed. A microphone signal containing a broad band distributed desired sound and narrow band distributed noise is divided amongst a plurality of frequency... Agent: Joshua D. Isenberg Jdi Patent

20070258601 - Audio signal processing apparatus: The audio signal processing apparatus comprises an audio processing unit 2 and a control unit 3. The audio processing unit 2 is provided for processing an audio signal Sau outputted from a receiving unit Rx which receives a signal transmitted through a digital transmission route. The control unit 3 is... Agent: Arent Fox LLP

20070258602 - Method and arrangement for optimizing efficiency of a power amplifier: The invention relates to optimizing efficiency of a power amplifier of a transmitter. In a solution according to the invention a detected envelope (306) of an input signal of the power amplifier is filtered with a non-linear filter (307) that substantially preserves a rise time of a peak in a... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070258603 - Method for enhancing audio signals: A frequency band of an audio input signal is analyzed to determine if a transient is present. When transients are detected, modifications are made to the intensity levels corresponding to the frequency band for a brief time period.... Agent: Creative Labs, Inc. Legal Department

20070258604 - Audiovisual arrangement: The invention relates to an audiovisual arrangement comprising a planar element that is embodied for representing image data and can be triggered to emit light and a planar, rigid element which is configured for generating sound data and can be excited to perform transversal bending vibrations and thus emit sound.... Agent: Siemens Corporation Intellectual Property Department

20070258605 - Electret condenser microphone and method of producing the same: A method of producing an electret condenser microphone capable of reflow mounting includes a first step of providing a backplate substrate having a backplate; a second step of providing an adhesive-backed fluorine-containing resin film formed by stacking an adhesive on a film-shaped fluorine-containing resin material having a surface treated by... Agent: Brinks Hofer Gilson & Lione

20070258606 - Method and arrangement for recording and playing back sounds: A method and an arrangement for recording and playing back sounds, especially music, is disclosed whereby stereo recording and playback techniques are at least partially used. The arrangement allows for a three-dimensional acoustic reproduction, especially music reproduction, that comes as close to a natural experience as possible. This is achieved... Agent: Winstead PC

20070258607 - Method for representing multi-channel audio signals: A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance parameter, a first coherence parameter, or a first inter-channel time difference between a first channel pair and a second balance parameter, or a second coherence parameter, or... Agent: Glenn Patent Group

20070258608 - Headphone: There is provided a headphone having an active interference sound compensation unit for the compensation of interference sound. In addition thereto the headphone has a wireless receiver for wirelessly receiving an audio signal to be reproduced. The provision of the wireless receiver achieves the result that information or audio signals... Agent: Reed Smith, LLP Attn: Patent Records Department

20070258609 - Method and apparatus for determining a target amplification curve for a hearing device: To determine target amplification curves in hearing devices, audiometric mismeasurements are to be corrected. To this end, it is proposed first to measure a bone conduction hearing threshold of a patient. Furthermore a database having typical sound conduction components for a number of typical hearing impairments is provided. One of... Agent: Siemens Corporation Intellectual Property Department

20070258610 - Microphone for a hearing aid: A microphone assembly having a housing, a transducer, and an electronic circuit. The housing has an opening, and the transducer is disposed within that opening. The electronic circuit covers the opening such that the transducer is surrounded by at least the electronic circuit and the housing. The electronic circuit includes... Agent: Daniel J. Burnham Nixon Peabody LLP

20070258611 - Angle-adjustable mechanism for portable speaker system: An angle-adjustable mechanism for a speaker system includes a housing and a plurality of speakers. The housing has an opening for accommodating and pivoting a console within the opening. The housing and the speakers can therefore be rotated to a desired angle relatively to the console. The speaker system may... Agent: Bacon & Thomas, PLLC

20070258612 - Cooling system for loudspeaker transducers: A loudspeaker having a vented enclosure with at least one tuning port includes a fan inside the vented enclosure, which is positioned to produce airflow for cooling the magnetic assembly of the loudspeaker's transducer. Airflow within said vented enclosure is produced such that air within the enclosure is exchanged with... Agent: Beeson Skinner Beverly, LLP

20070258613 - Wearable personal sound delivery apparatus: A personal sound delivery apparatus which can be worn by a person has speakers held close to the ears and does not include any insert into the auditory canal or any ear muff that could muffle or suppress other ambient sounds. In a preferred embodiment of the invention, a wireless... Agent: Charmasson, Buchaca & Leach, LLP

20070258614 - Headphone and portable speaker system: A dual-mode speaker system comprising a selector that selects between a first audio mode and at least one other mode; an audio pack for receiving an input signal from an external device, and for converting at least a portion of the input signal into a first signal for audio reproduction... Agent: Greenberg Traurig, LLP

20070258615 - Damper of rectangular-shaped slim speaker: The present invention relates to a damper of a rectangular-shaped slim speaker that is capable of preventing a vibration plate having an entire outer appearance of a slim oval/track-like shape extended to any one side thereof from being moved in forward and backward directions. The damper of a rectangular-shaped slim... Agent: Jordan And Hamburg LLP

20070258616 - Electroacoustic transducer with resistance to shock-waves: A transducer comprising a pair of spaced magnets at least partially forming a tunnel having a central axis. A coil having a first and a second side wall and an upper and a lower wall at least partially forms the tunnel. A reed having a central portion extends through the... Agent: Fitch Even Tabin And Flannery

20070258617 - Electromagnetic lever diaphragm audio transducer: A speaker system including a horn having walls extending from a throat of the horn to a mouth of the horn and defining a cavity within the horn. At least one of the walls includes a panel that is contoured to the shape of the wall and that is configured... Agent: Mcandrews Held & Malloy, Ltd

20070253555 - Processing audio input signals: A method of reproducing a stereo output signal (having a left field and a right field) represented as digital samples such that said stereo signal emulates the production of said audio signal from a specified audio source location relative to a listening source location (an indicated location). A left channel... Agent: James C. Wray

20070253557 - Methods and apparatuses for processing audio streams for use with multiple devices: The methods and apparatuses for detecting audio streams for use with multiple devices detect a sound level corresponding with each of a plurality of devices; select a selected group of devices from the plurality of devices based on the sound level corresponding with each of the plurality of devices; mix... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070253558 - Methods and apparatuses for processing audio streams for use with multiple devices: The methods and apparatuses for processing audio streams for use with multiple devices detect a sound level corresponding with each of a plurality of devices; select a selected group of devices from the plurality of devices based on the sound level corresponding with each of the plurality of devices; mix... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070253559 - Processing audio input signals: A method of producing a plurality of broadband response files derived from empirical testing on at least one human subject, for convolving with an audio input signal represented as digital samples to produce a stereo output signal (having a left field and a right field) such that the stereo signal... Agent: James C. Wray

20070253563 - Method for dynamically adjusting the spectral content of an audio signal: A method for dynamically adjusting the spectral content of an audio signal, which increases the harmonic content of said audio signal, said method comprising translating an encoded digital signal into data bands, creating a psychoacoustic model to identify sections of said data bands that are deficient in harmonic quality, analyzing... Agent: Christina Ezell

20070253566 - Distortion compensating apparatus and method: The present apparatus includes: distortion amount detector which detects the amount of distortion of an output signal of the amplifier; parameter holder; parameter corrector which corrects a parameter held in the parameter holder in such a manner that the distortion amount detected by the distortion amount detector is improved; controller... Agent: Katten Muchin Rosenman LLP

20070253571 - Sound reproduction device and method for hearing protection in an ambient environment: The present invention relates to a method for hearing protection in an ambient environment of a sound reproduction device, includes steps of: receiving analog audio signals from an audio signal source via a connector; converting the analog audio signals to digital audio signals; sampling the digital audio signals to obtain... Agent: North America Intellectual Property Corporation

20070253572 - Sound reproduction device and method for hearing protection in an ambient environment: The present invention relates to a method for hearing protection in an ambient environment of a sound reproduction device, includes steps of: receiving digital audio signals from an audio signal source via a connector; sampling the digital audio signals to obtain a plurality of sampled amplitude values; computing an actual... Agent: North America Intellectual Property Corporation

20070253573 - Hearing instrument with source separation and corresponding method: The selection of a plurality of sound sources for the purposes of preferential presentation should be structured to be more convenient for hearing instrument wearers. For this purpose, provision is made to separate the signals of the plurality of sources picked up and present them one after another with the... Agent: Siemens Corporation Intellectual Property Department

20070253576 - Method for virtual bass synthesis: This invention relates to a method for virtual bass synthesis. The low frequency signal is attained by applying a low pass filter to the original. In order to reduce the operations, process of down sampling the low frequency signal, moving the low frequency signal to a series of harmonics whose... Agent: Bucknam And Archer

20070253556 - Information terminal: The information terminal includes: sound reproducing means 11 for reproducing audio contents, reproducing means 14 for reproducing a call sound, sound image location control means 15 for varying sound image locations of the audio contents and the call sound, and sound mixing means 16 for mixing the audio contents and... Agent: Pearne & Gordon LLP

20070253562 - Method and apparatus for measuring characteristics of an audio system using a tapered chirp: An apparatus and method for measuring the characteristics of an audio system using a tapered chirp. A starting frequency and an ending frequency for a chirp signal during which the chirp signal has a constant envelope amplitude are determined for the audio system to be measured. An intermediate time duration... Agent: William A. Birdwell Birdwell & Janke, LLP

20070253560 - System and method for spotting unexpected noise for forecasting aberrant events: Noise-based monitoring systems and methods use unexpected noise (UEN) events to identify developing processes in an observed system. A monitoring system includes a general noise pattern (GNP) unit for receiving and processing a GNP spectrum from the observed system, a typical general noise (TGN) unit for eliminating all TGN components... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20070253561 - Systems and methods for audio enhancement: Systems, methods, and computer program products for monitoring, in real time, acoustic characteristics of an audio environment are provided. The audio environment may include a plurality of sound sources that convert input signals to first sound streams and may include undesired objects producing second sound streams. The method may include... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070253564 - Sound field controlling device: A sound field controlling device for supplying audio signals to a plurality of speakers provided in a space to form a sound field in the space, includes a measuring unit which measures levels of indirect sounds, which are outputted from the speakers, reflected from a wall surface of the space,... Agent: Crowell & Moring LLP Intellectual Property Group

20070253565 - Methods and systems for reducing acoustic echoes in communication systems: Various embodiments of the present invention are directed to methods and systems that reduce acoustic echoes in audio signals in accordance with changing conditions at first and second locations that are linked together in a communication system. In particular, one embodiment of the present invention relates to a method for... Agent: Hewlett Packard Company

20070253570 - Microphone system: To provide a small, inexpensive microphone system which can reduce extraneous vibration noise. The microphone system has a first microphone mechanism 1a which has a sound hole for introducing sound and a second microphone mechanism 1b which is enclosed without a sound hole. The first microphone mechanism 1a and the... Agent: Crowell & Moring LLP Intellectual Property Group

20070253568 - Active noise reduction microphone placing: A method and apparatus for increasing phase margin in a feedback circuit of an active noise reduction headphone. The method includes providing an acoustic block comprising an acoustic driver comprising a voice coil mechanically coupled along an attachment line to an acoustic energy radiating diaphragm, the acoustic block further comprising... Agent: Fish & Richardson PC

20070253569 - Communicating with active noise reducing headset: An active noise reducing headphone has a noise-reducing microphone in a noise-reducing circuit, an outside microphone, a signal input terminal and an outside microphone output terminal and a switch for selectively coupling the headphone to one of the signal input and microphone output terminals.... Agent: Fish & Richardson PC

20070253567 - High frequency compensating: A method and apparatus for increasing phase margin in a feedback circuit of an active noise reduction headphone. The method includes providing an acoustic block comprising an acoustic driver comprising a voice coil mechanically coupled along an attachment line to an acoustic energy radiating diaphragm, the acoustic block further comprising... Agent: Fish & Richardson PC

20070253574 - Method and apparatus for selectively extracting components of an input signal: An apparatus for selectively extracting components of an input signal comprises a plurality of microphones for detecting an audio signal in a plurality of spaced locations. A plurality of signal samplers sample each spaced version of the audio signal. A microphone pattern processor derives a reference signal, a null signal... Agent: Gowling Lafleur Henderson LLP

20070253575 - Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges: A method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges provides a low cost alternative to present external surround array systems. The overlapping frequency range of a pair of speaker drivers, generally a low-frequency and a high-frequency driver, is supplied with a surround channel... Agent: Mitch Harris, LLC - Cirrus

20070253577 - Equalizer bank with interference reduction: An equalizer bank with interference reduction is disclosed. The equalizer bank with interference reduction comprises a front-shelving filter, a plurality of peak filters, a rear-shelving filter and a plurality of compensators. The center frequency and the quality factor of each compensator are designed intentionally to be identical to those of... Agent: Oliff & Berridge, PLC

20070253578 - System and method for adjusting microphone gain based on volume setting of a mobile device: Described is a mobile device having a microphone to receive audible input and an audio circuit to transform the audible input into an electrical signal, the audio circuit including a variable gain amplifier to amplify the electrical signal, a gain of the variable gain amplifier being set based on a... Agent: Fay Kaplun & Marcin, LLP

20070253579 - Dual mode headset device: The invention provides a headset device. The headset device includes a first headset, a second headset, and a transmission line. The first headset includes a first housing; an interface module for receiving an audio signal; a signal processing module for separating the audio signal into a first channel signal and... Agent: North America Intellectual Property Corporation

20070253580 - Carrying bag and portable comfort pillow having two headphone speakers thereon connected to a headset carrying strap: A portable comfort pillow having two headphone speakers mounted thereon and connected to a headset carrying strap for carrying by a user to give the appearance of a headset on the pillow. The comfort pillow includes a front all, a rear wall, a top wall, a bottom wall, a first... Agent: Ezra Sutton P.A. Plaza 9 Building

20070253581 - Toy in the form of a stuffed toy or 3-d character toy having a headset carrying strap with two headphone speakers and an audio player built into one of the speakers: A toy in the form of a stuffed toy or 3-dimensional character toy having two headphone speakers on the ears of the toy. The toy has a head with ears, eyes, a body, arms and legs. The head of the toy includes a pair of headphones disposed on the head... Agent: Ezra Sutton, P.A.

20070253582 - Transducer assembly: Transducer assemblies and methods of replacing having a housing, a removable diaphragm, and a sealing diaphragm. The transducer assembly may be used with a spool piece to prevent fluid from escaping from the spool piece when parts of the transducer assembly are removed.... Agent: Osha Liang L.L.P.

20070253583 - Method and system for sound beam-forming using internal device speakers in conjunction with external speakers: A method and system for sound beam-forming using internal device speakers in conjunction with external speakers provides a low cost alternative to present external surround array systems. A processing circuit within an audio device or audio/visual (AV) device such as a digital television (DTV) generates signals for internal and external... Agent: Mitch Harris, LLC - Cirrus

20070253584 - Binaural hearing system with magnetic control: The invention is aimed at enabling a hearing system, particularly a binaural hearing aid system, to be controlled in an easy manner, taking into account the small amount of installation space available. A hearing system is provided comprising a first hearing device and a second hearing device. The first hearing... Agent: Siemens Corporation Intellectual Property Department

20070253585 - Time-adaptive adjustment of a hearing aid apparatus and corresponding method: The spontaneous acceptance of a hearing system is to be improved. To this end, a hearing aid apparatus and a corresponding method for adjusting the hearing aid apparatus are provided, with a part of an input signal spectrum first being amplified with a first frequency. This part of the input... Agent: Siemens Corporation Intellectual Property Department

20070253586 - Behind-the-ear hearing device including eyeglass adapter with thin sound tube: A behind-the-ear hearing device is provided for an eyeglass wearer that is equipped with a thin hearing tube (maximum 2 mm) and is nevertheless comfortable. A hearing device suitable for this purpose has a hearing device housing having a sound outlet and an eyeglass temple adapter, fastened to the hearing... Agent: Siemens Corporation Intellectual Property Department

20070253587 - Ear canal speaker system method and apparatus: An earpiece adapted to transmit acoustic sound into an year, the earpiece having a flexible ear canal engagement member that is adapted to be repositioned longitudinally inwardly by way of some form of an extension member. When the extension member is released, the member contracts to a first position, thereby... Agent: Hughes Law Firm, PLLC

20070253588 - Eyewear device with signal communicative members: An eyewear device in which a front guard member includes a lens portion and a bridge portion to support the lens portion from the nose of the human being, with a pair of temples hingedly connected to opposing ends of the front guard member and having a right and a... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20070253589 - Earphone: The present invention relates to an earphone that comprises a speaker, a signal wire, housing, and a sound pressure adjustment mechanism. One end of the signal wire is electrically connected to the speaker. The housing holds the speaker and part of the signal wire; the other end of the signal... Agent: Bacon & Thomas, PLLC

20070253591 - Flexible pad support, such as enclosing one or more speakers and placeable underneath a pillow for providing a muffled and selectively audible alarm: A sound generating device having a flexible three-dimensional and substantially planar shaped body including a soft interior encased within a durable exterior covering. A pair of speakers are arranged within the body at first and second locations proximate an upper facing surface. The padded body is adapted to being, placed... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070253590 - Plat panel display with detachable anti-vibrate speaker: A flat panel display with detachable anti-vibrate speaker includes a speaker body with a front bezel attached at least one speaker driver, a rear bezel and a middle frame. The middle frame with a bottom positioning hole is made of an elastic material and situated between the front bezel and... Agent: Lowe Hauptman Ham & Berner, LLP