Electrical audio signal processing systems and devices inventions 07/07

20070172072 - Sound signal generator testing apparatus: A sound signal generator testing apparatus is provided. The apparatus includes a hermetic seal (2), a sound signal input unit (4), and at least a noise suppression unit (5). The sound signal input unit is for receiving sound signals transmitted from a sound signal generator (1) under testing. Each noise... Agent: North America Intellectual Property Corporation

20070172070 - Method and apparatus for audio matrix decoding: An enhanced audio matrix decoding method and apparatus to generate a multi-channel audio signal from a stereo channel audio signal includes a front channel canceling unit to generate a surround channel audio signal through feed-forward mixing with a gain and delay, from an input stereo channel audio signal, and a... Agent: Stanzione & Kim, LLP

20070172071 - Complex transforms for multi-channel audio: An audio encoder encodes a combined channel (e.g., a sum channel) for a group of plural physical audio channels. The encoder determines plural parameters for representing individual physical channels of the group as modified versions of the encoded combined channel. The plural parameters comprise ratios of power in each individual... Agent: Klarquist Sparkman LLP

20070172073 - Apparatus and method of reducing noise by controlling signal to noise ratio-dependent suppression rate: An apparatus for reducing a noise signal of a speech signal in a speech recognizer, the apparatus estimating a signal to noise ratio for each frequency band of the speech signal, applying a noise suppression rate based on the estimated signal to noise ratio, and reducing the noise signal of... Agent: Staas & Halsey LLP

20070172074 - Capacity increase in voice over packets communications systems using novel noise canceling methods and apparatus: Improvements to the capacity of voice over packets communication systems are achieved by use of a multi-microphone system. A voice microphone collects sound waves from the user as well as unwanted background noise. A second background microphone collects ambient sound. The inputs from the two microphones retain their analog format.... Agent: Steven A. Nielsen Allman & Nielsen, P.c

20070172075 - Noise canceling method and apparatus increasing channel capacity: Improvements to the capacity of communication channels are achieved with a multi-microphone system. A voice microphone collects sound waves from the user as well as unwanted background noise. A second background microphone collects ambient sound. The inputs from the two microphones retain their analog format. The signal from the background... Agent: Steven A. Nielsen Allman & Nielsen, P.c

20070172076 - Moving object equipped with ultra-directional speaker: A moving object 1 equipped with ultra-directional speaker is provided with an emitter 44 for measuring a distance to a target 11 to which it is to provide a voice by using an ultrasonic transmit sensor 45 and an ultrasonic receive sensor 46 thereof, and for emitting an output signal... Agent: Birch Stewart Kolasch & Birch

20070172077 - In-vehicle apparatus and front panel: The present invention provides an in-vehicle apparatus and a front panel which are of uncomplicated configuration and can improve usability. There is provided an in-vehicle apparatus that includes a reproduction apparatus main body to be mounted in a vehicle, and a front panel which is detachable with respect to the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070172078 - Device for localizing acoustic sources and measuring their intensities: e

20070172079 - Handsfree communication system: A handsfree communication system includes microphones, a beamformer, and filters. The microphones are spaced apart and are capable of receiving acoustic signals. The beamformer compensates for propagation delays between the direct and reflected acoustic signals. The filters are configured to a predetermined susceptibility level. The filter process the output of... Agent: Brinks Hofer Gilson & Lione

20070172080 - Acoustic feedback suppression: A device (1) for acoustic feedback compensation comprises an adaptive filter (4), an adjustment unit (5) for adjusting coefficients of the adaptive filter, a combination unit (3) for subtracting an adaptive filter signal from an input signal so as to produce a residual signal, and a noise unit (8) for... Agent: Philips Intellectual Property & Standards

20070172081 - Low frequency equalization for loudspeaker system: A method of optimizing the low frequency audio response emanating from a pair of low frequency transducers housed within a cabinet. The low frequency transducers are electrically connected to a power amplifier and source of audio content. The resonant frequency (Fs) and amplitude (Q) are characterized as to the high-pass... Agent: Christina Ezell

20070172082 - Low frequency equalization for loudspeaker system: A method of optimizing the low frequency audio response emanating from a pair of low frequency transducers housed within a cabinet. The low frequency transducers are electrically connected to a power amplifier and source of audio content. The resonant frequency (Fs) and amplitude (Q) are characterized as to the high-pass... Agent: Christina Ezell

20070172084 - Method of controlling volume of reproducing apparatus and reproducing apparatus using the same: The present invention relates to a method of controlling a volume of a reproducing apparatus and a reproducing apparatus using the same, wherein a reproduction volume of an audio file can be automatically controlled in accordance with information on a volume level of the audio file. The reproducing apparatus of... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070172083 - Method and apparatus for controlling a gain of a voice signal: A method for controlling a gain of a voice signal comprises detecting a size of an image of an object; determining a signal gain according to the size of the image of the object; and applying the signal gain to a voice signal. The method is capable of adaptively controlling... Agent: North America Intellectual Property Corporation

20070172085 - Theater center apparatus: The theater center apparatus has a top and a bottom arranged parallel to the top. An intermediate platform is arranged parallel to the top and bottom and is located to form a horizontally extending intermediate chamber between the top and the intermediated platform. At least one pair of speakers is... Agent: Lackenbach Siegel, LLP

20070172086 - Utilization of filtering effects in stereo headphone devices to enhance spatialization of source around a listener: An apparatus for creating, utilizing a pair of oppositely opposed headphone speakers, the sensation of a sound source being spatially distant from the area between the pair of headphones, the apparatus comprising: (a) a series of audio inputs representing audio signals being projected from an idealised sound source located at... Agent: Dov Rosenfeld

20070172088 - Equipment for fitting a hearing and to the specific needs of a hearing impaired individual and software for use in a fitting equipment for fitting a hearing aid: The invention relates to equipment for fitting a hearing aid to the specific needs of a hearing impaired individual. The equipment comprising a computer or similar device with soft-ware, where the device has display means for visual display of data, data entry means for entering hearing aid programming data into... Agent: Birch Stewart Kolasch & Birch

20070172087 - Hearing aid with active noise canceling: The invention relates to a hearing aid comprising a signal path with an input transducer, a signal processor and an output transducer, the signal processor being adapted to produce a compensation signal capable of at least partly attenuating acoustic signals bypassing the signal path and entering the ear canal.... Agent: Birch Stewart Kolasch & Birch

20070172089 - Headset assembly: A headset assembly comprises a main body, connecting mechanism and a container. The main body comprises two hanging portions and a storage portion. The hanging portions are bent to adjust the main body size for fitting a wearer. The connecting mechanism provides the main body to connect to the container.... Agent: Birch Stewart Kolasch & Birch

20070172090 - Portable earphone-microphone type digital music player: The present invention discloses a portable earphone-microphone type digital music player capable of playing MIC sounds and comprises two insert holes on a body of the digital music player, and the two insert holes are an earphone output hole and a microphone (Mic or Line-in) input hole, and a select... Agent: Ter-tsai Chiu

20070172091 - Ear hook for a wireless headset and a carrying device thereof: An ear hook for a wireless headset includes a carrying portion and a joint portion. The carrying portion has a first connection, a power control circuit and a battery unit, and the joint portion has a second connection. The first connection is connected with the second connection in a separate... Agent: Rosenberg, Klein & Lee

20070172092 - Digital information improvements for spas: A spa is provided with a controller that includes a digital music player. The digital music player may locally receive files such as through a USB port, or can remotely receive files such as from a home computer. Further, the controller communicates over the internet with a remote location such... Agent: Carlson, Gaskey & Olds, P.C.

20070172093 - Copper foil wire for loudspeaker, and loudspeaker employing the loudspeaker copper foil wire: A loudspeaker copper foil wire according to the present invention is excellent in flame resistance, moisture resistance, corrosion resistance, hopping resistance and soldering property, and capable of suppressing emanation of smell during a soldering operation. In the present invention, a copper foil wire body is impregnated or coated with a... Agent: Steptoe & Johnson LLP

20070165867 - Voice response system: The present invention concerns a voice response system in which a voice response unit sends a monaural voice signal corresponding to a request signal from a communication terminal to the communication terminal. The communication terminal comprises a monaural/stereo conversion portion for converting a monaural voice signal from the voice response... Agent: Rabin & Berdo, PC

20070165870 - Composition and method of treating hearing loss: A composition for treating hearing loss includes components that function through different biological mechanisms to provide an additive effect that is equal to or greater than a sum of the effect of the individual components. The composition includes a biologically effective amount of at least one scavenger of singlet oxygen,... Agent: Howard & Howard Attorneys, P.C.

20070165879 - Dual microphone system and method for enhancing voice quality: Techniques to enhance voice signals in a dual microphone system are disclosed. According to one aspect of the present invention, there are at least two microphones that are positioned in a pre-configured array. Two audio signals x1(k) and x2(k) are received and coupled to an adjusting module that is provided... Agent: Silicon Valley Patent Agency

20070165866 - Method and apparatus to facilitate conveying audio content: These teachings provide a detector for determining a direction to a target, an audio emitter having a preferred directional output, and an audio receiver having a preferred directional sensitivity. The audio emitter and receiver are responsive to the directional information from the detector to maintain the target within their preferred... Agent: Motorola, Inc.

20070165868 - Multi-channel audio enhancement system for use in recording and playback and methods for providing same: An audio enhancement system and method for use receives a group of multi-channel audio signals and provides a simulated surround sound environment through playback of only two output signals. The multi-channel audio signals comprise a pair of front signals intended for playback from a forward sound stage and a pair... Agent: Knobbe Martens Olson & Bear LLP

20070165869 - Support of a multichannel audio extension: The invention relates to methods and units supporting a multichannel audio extension. In order to allow an efficient extension requiring a low computational complexity, it is proposed that at an encoding end, at least state information is provided as side information for a provided mono audio signal (M) generated out... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070165871 - Audio system having reverberation reducing filter: A system (1) is described which is suited for suppressing audio distortion. The system comprises echo cancelling means g1, g2 coupled between an audio output (4) and a distorted desired audio sensing microphone array (3), and a filter arrangement (7) coupled to the echo cancelling means g1, g2 and/or the... Agent: Philips Intellectual Property & Standards

20070165872 - High sensitivity noise immune stethoscope: A physiological sensing stethoscope suitable for use in high-noise environments is disclosed. The stethoscope is designed to be substantially matched to the mechanical impedance of monitored physiological activity and substantially mismatched to the mechanical impedance of air-coupled acoustic activity. One embodiment of the stethoscope utilizes a passive acoustic system. Another... Agent: Pietragallo, Bosick & Gordon LLP

20070165873 - Communications unit comprising a gravitation switch: A communications unit, preferably a headset, has a number of control knobs (2, 3) for adjusting the electrical properties of the headset and is suspended by an ear hook, which may be adjusted such that the headset may be used on both the left and the right ear, said headset... Agent: Altera Law Group, LLC

20070165874 - Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems: Sound reproduction and reinforcement systems and methods are presented herein for spatially enhancing stereo images typically used such performances as those involving music. The embodiments seek to expand the amount of audience area that would receive a sound image that maintains sound reproduction fidelity regarding spatial orientation of sound sources... Agent: Davis Wright Tremaine, LLP

20070165875 - High fidelity multimedia wireless headset: The invention provides a multiple-antenna wireless multimedia headset with high fidelity sound, peer-to-peer networking capability, seamless handoff between multiple wireless interfaces, multimedia storage with advanced search capability, and ultra low power such that the device is capable of operation without recharging. The headset supports multiple wireless systems such as Wifi... Agent: Perkins Coie LLP

20070165876 - Sound device provided with a geometric and electronic radiation control: A sound device for carrying out a homogenous sound cover for a public addressed area includes an electroacoustic source network (1), wherein each electroacoustic source (1) diffuses a version delayed by a delay (3), filtered by a filter (4) and amplified by the device input signal amplifier (5). The network... Agent: Young & Thompson

20070165877 - Boundary layer adapter: There is provided an interface adapter for receiving a microphone, wherein the interface adapter has a receiving unit with a through hole for receiving a microphone and an arresting unit for arresting a received microphone. That permits the microphone to be easily fixed on a boundary surface or interface, such... Agent: Reed Smith, LLP Attn: Patent Records Department

20070165878 - Loudspeaker array audio signal supply apparartus: A first directivity parameter to provide a narrow directivity and a second directivity parameter to provide a wide directivity are preset for a directivity control apparatus to control the directivity of an array loudspeaker system. The directivity control apparatus selects either the first directivity parameter or the second directivity parameter... Agent: Rossi, Kimms & Mcdowell LLP.

20070165880 - Suppression of acoustic feedback in voice communications: Suppressing one or more frequency ranges of a signal prevents the occurrence of feedback in a voice data communications application. A system recognizes a frequency range in a signal where feedback occurs, or anticipates a frequency range where feedback is anticipated. The signal includes a signal the input system generates... Agent: Lee & Hayes PLLC

20070165881 - System and method for acquiring acoustic signals using doppler techniques: A method and system enhances an acoustic signal acquired by a microphone from an acoustic source while concurrently acquiring a Doppler signal from moving parts of the acoustic source. The acoustic signal and the Doppler signal are then analyzed according to a model to generate an enhanced acoustic signal.... Agent: Mitsubishi Electric Research Laboratories, Inc.

20070165882 - Adjustable rephase device for compression drivers and direct emission dome-shaped loudspeakers: The invention concerns a rephasing device for compression drivers and dome-shaped, direct radiation loudspeakers that comprise a magnetic circuit with a vibrating diaphragm (11) having a dome-shaped part (11′), and a rephasing device (12) made of a non magnetic material, placed in the concavity of the dome-shaped part of said... Agent: Mcglew & Tuttle, PC

20070165884 - Information processing apparatus and sound control method therefor: An information processing apparatus according to an embodiment of the present invention includes an amplifying unit configured to allow switching between a first gain characteristic and a second gain characteristic to be performed and a switching unit for performing switching between the first gain characteristic and the second gain characteristic.... Agent: Blakely Sokoloff Taylor & Zafman

20070165883 - Stereo/monaural switching circuit and integrated circuit having the same: An adder mixes an L-channel sound signal and an R-channel sound signal with each other and then outputs a mixed signal. A switching unit performs a switching operation such that, if power is being supplied to loudspeaker amplifiers, the L-channel sound signal and the R-channel sound signal are respectively supplied... Agent: Rossi, Kimms & Mcdowell LLP.

20070165885 - Three-dimensional skin-contact microphone device: A skin-contact microphone device is provided herein, which at least contains a linear body having appropriate plasticity and flexibility, and a voice collection element configured at an end of the linear body. The linear body is structured into a three-dimensional shape which, when viewed from the top, has a curved... Agent: Bacon & Thomas, PLLC

20070165886 - Louderspeaker: A loudspeaker comprises a sound generating element mounted on a support structure, and two rotary actuators I mounted at opposing edges of the sound generating element. The actuators are operable to drive motion of the sound generating element relative to the support structure including a component of rotation. The loudspeaker... Agent: Nixon & Vanderhye, PC

20070165887 - Plate type speaker using horizontal vibration voice coil: The present invention relates to a plate type speaker adapted to radiate sound by transforming horizontal vibration for vibrating a side of a diaphragm into vertical vibration of the diaphragm. The plate type speaker of the present invention comprises a plate-shaped diaphragm for receiving horizontal vibration to generate vertical vibration;... Agent: Ipla P.A.

20070165888 - Support apparatus for microphone diaphragm: A microphone includes a diaphragm assembly supported by a substrate. The diaphragm assembly includes at least one carrier, a diaphragm, and at least one spring coupling the diaphragm to the at least one carrier such that the diaphragm is spaced from the at least one carrier. An insulator (or separate... Agent: Bromberg & Sunstein LLP

20070165889 - Microphone apparatus having a number of silicon microphones for a hearing apparatus: It is intended to be able to manufacture multiple microphones for realizing highly reliable directional microphones for hearing apparatuses, and in particular for hearing devices, in a simpler manner. To this end, provision is made to develop at least two silicon microphones and at least two impedance converters connected thereto... Agent: Siemens Corporation Intellectual Property Department

20070165890 - Sound image localization device: A sound image localization device (10) comprising: band division means (11) for dividing an inputted acoustic signal to a high-band acoustic signal and a low-band acoustic signal; a first filter (12) and a second filter (13) for localizing the high-band acoustic signal; low-band localization means (16) having a third filter... Agent: Pearne & Gordon LLP

20070165891 - System for controlling a transfer function of a hearing aid: This invention relates to a system (100) for controlling gain function of a hearing aid. The system (100) comprises a microphone (102) converting a sound pressure to an input signal, a speaker (112) converting an output signal to a processed sound pressure, and a signal processing means (106) interconnecting the... Agent: Birch Stewart Kolasch & Birch

20070165892 - Wireless audio: An audio reproduction system comprises a transmitter device (1) and a receiver device (2). The transmitter device (1) determines the envelope signal of an audio signal (Vin) of a selected frequency range and transmits the envelope signal (VE) over a communication channel (C). The receiver device (2) combines the received... Agent: Philips Intellectual Property & Standards

20070165893 - Howling margin measuring device: A howling margin measuring device 20 comprises processing means 28 composed of gain controlling means 21 and a compressor 22 which are connected in series and controlling means 23. The gain controlling means 21 outputs an input sound signal after giving a gain thereto. If the level of a sound... Agent: Marshall, Gerstein & Borun LLP

20070165894 - Speaker attenuation system, method and apparatus: A speaker attenuation system includes an attenuating member comprised of suitable material and having a size and a shape capable of attenuating a speaker when positioned in a central beam region of the speaker. A positioning mechanism is capable of positioning the attenuating member predominantly in the central beam region... Agent: Harness, Dickey & Pierce, P.L.C

20070165895 - Speaker device: A speaker device includes a cabinet (10), a speaker unit (11), a port (12), a cartridge (13), and an adsorbent material (14). The adsorbent material (14) is disposed in the interior of the cartridge (13). The cartridge (13) is a container removable from the cabinet (10). When the adsorbent material... Agent: Wenderoth, Lind & Ponack L.L.P.

20070165896 - Optical sensing in a directional mems microphone: A microphone having an optical component for converting the sound-induced motion of the diaphragm into an electronic signal using a diffraction grating. The microphone with inter-digitated fingers is fabricated on a silicon substrate using a combination of surface and bulk micromachining techniques. A 1 mm×2 mm microphone diaphragm, made of... Agent: Milde & Hoffberg, LLP

20070165897 - Electronic apparatus: An electronic apparatus with a microphone attached thereto includes a housing; an opening formed through a wall of the housing; a grille closing the opening at an outside surface of the wall; an intermediate wall member provided in the wall; a holding body mounted in the opening from an inside... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070165898 - Acoustic head structure of a microphone: An acoustic head structure for a microphone is disclosed. It comprises a substrate, a sound-processing unit and an upper cap. The upper cap has a plurality of acoustic holes that are through-holes arranged about the upper lid. The position and shape of the acoustic holes can prevent foreign matter like... Agent: Rosenberg, Klein & Lee

20070165899 - Audio headphone: This headphone (1) includes a headband (2) embodied to surround the head of a user and at least one sound emitter unit (3) arranged to face an ear. Each sound emitter unit (3) includes a mini-loud speaker (7) and a shell (8) concave on one face ; the audio headphone... Agent: Young & Thompson

20070165900 - Headphones: In headphones in which headphone units are worn on the head via a headband having a predetermined urging force, a substantially constant urging force is always obtained without being influenced by a difference in width and shape of the user's head. In headphones 100 including a headphone unit 200 in... Agent: Kanesaka Berner And Partners LLP

20070165901 - Speaker bracket and speaker: A speaker bracket disposed between a front end circumferential wall of a speaker frame and a speaker mounting portion of a cabinet as an adjuster, the speaker bracket includes a body formed into an approximate ring shape. The body includes a first surface and a second surface. The first surface... Agent: Sughrue-265550

20070165902 - Electrodynamic electroacoustic transducer and electronic device: An electrodynamic electroacoustic transducer comprises: a first magnetic pole; a second magnetic pole that forms a magnetic gap between itself and the first magnetic pole and is arranged in a space excluding spaces in upper and lower face directions of the first magnetic pole; a yoke; a diaphragm; and a... Agent: Wenderoth, Lind & Ponack L.L.P.

20070160215 - Method and medium for expanding listening sweet spot and system of enabling the method: An operation method of a binaural system and the binaural system adopting the method is provided. That is, a method to stably provide a stereo sound, creating a plurality of sound images and expanding a listening sweet spot by using a plurality of static filters or modulation filters when a... Agent: Staas & Halsey LLP

20070160217 - Method and apparatus to simulate 2-channel virtualized sound for multi-channel sound: A stereo sound generation method and apparatus to generate a stereo sound, by using 2-channel headphones, earphones, or speakers, from a multi-channel sound signal reproduced through a variety of media such as a DVD-video, and a DVD-audio. The stereo sound generation method of generating a 2-channel stereo sound from a... Agent: Stanzione & Kim, LLP

20070160216 - Acoustic synthesis and spatialization method: The invention relates to the synthesis and the joint spatialization of sounds emitted by virtual sources. According to the invention, a step (ETA) is provided that consists of determining parameters including at least one gain (gi) for defining, at the same time, a loudness characterizing the nature of the virtual... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20070160218 - Decoding of binaural audio signals: A method for synthesizing a binaural audio signal, the method comprising: inputting a parametrically encoded audio signal comprising at least one combined signal of a plurality of audio channels and one or more corresponding sets of side information describing a multi-channel sound image; and applying a predetermined set of head-related... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070160219 - Decoding of binaural audio signals: A method for synthesizing a binaural audio signal, the method comprising: inputting a parametrically encoded audio signal comprising at least one combined signal of a plurality of audio channels and one or more corresponding sets of side information describing a multi-channel sound image; and applying a predetermined set of head-related... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070160220 - Electronic bass instrument tube preamplifier: Electronic bass register musical instrument tube preamplifier. An in line signal preamplification device which richens the tone of electronically amplified bass register musical instruments. The unit is connected in the signal path between the instrument and the amplifier by the use of a standard ¼″ input jack and a ¼″... Agent: Clifford W. Latshaw Zachry Employee Rel Intl.

20070160221 - System for predicting the behavior of a transducer: A system for compensating and driving a loudspeaker includes an open loop loudspeaker controller that receives and processes an audio input signal and provides an audio output signal. A dynamic model of the loudspeaker receives the audio output signal, and models the behavior of the loudspeaker and provides predictive loudspeaker... Agent: O'shea, Getz & Kosakowski, P.C.

20070160222 - Positioning audio output for users surrounding an interactive display surface: For use with an interactive display system having a generally horizontal interactive display surface, four speakers that are disposed at spaced-apart locations within a housing of the system so that a sound field produced by one or more energized speakers is directed outwardly as desired. A personal computer (PC) selectively... Agent: Workman Nydegger/microsoft

20070160223 - Method and apparatus for noise canceling headphones: An invention is described for a personal noise canceling system that consists of noise canceling headphones, a noise cancellation electronics module and a personal computing device. One embodiment of the invention places the noise canceling electronics module in a USB connector fob, which serves as a personal computing device, and... Agent: Francis Cusack

20070160224 - Wireless digital transmission system for loudspeakers: This invention relates to a wireless digital transmission system for loudspeakers comprising: compression means for the file representing the digital audio signal of the “compact disc” type, a transmission device comprising means of converting this compressed signal into a series signal moving by packets going to a modulator circuit with... Agent: Nixon & Vanderhye, PC

20070160225 - System for wireless audio signal distribution between a plurality of active loudspeakers: Each loudspeaker (10, 10′) comprises means, e.g. of the Bluetooth type, for establishing a wireless interface with every other loudspeaker of the system. The network configures itself automatically by each loudspeaker searching for the other loudspeakers with which a wireless link can be established directly, by drawing up a table... Agent: Nixon & Vanderhye, PC

20070160226 - Method and system for providing a selectable audio signal: This device is an add-on component to an existing keyless entry system that will play a pre-recorded sound from a speaker/amplifier system mounted underneath the hood of a motor vehicle. Installable interchangeable sound cards are provided to give the device the ability to play different sounds. A digital sound amplifier... Agent: Daniels Daniels & Verdonik, P.A.

20070160227 - Sound control device: A microcomputer 12 selectively generates signals corresponding to a cancel sound and a pseudo-engine sound respectively based on a rotation number of an engine and causes a switch 23 of a subsequence attenuator ATT 16 to be in an ON condition for attenuating the signal corresponding to the cancel sound... Agent: Slater & Matsil, L.L.P.

20070160228 - Audio signal input and output apparatus: An audio signal input and output apparatus includes a microphone array, a mounting part, and a main body. The mounting part is connected to the microphone array. The main body electrically connects an electronic device and the microphone array. The microphone array sends out a first audio signal through the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070160229 - Noise filtering edge detectors: This invention relates to a noise filtering edge detector (NFED) for recovering data carrying edges from a noisy received signal by dense over-sampling of the received signal and by detecting edge phases and edge amplitude limits wherein recovered signal amplitudes at sampling instance defining said edge phase are determined by... Agent: John Bogdan

20070160230 - Device and method for determining sound source direction: A sound source direction determining device for specifying the incoming direction of a sound based on acoustic signals through two channels obtained by two mikes disposed apart by a predetermined distance has a phase difference spectrum signal generating unit for obtaining the phase difference spectrum of the acoustic signals through... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070160231 - Effect adding method and effect adding apparatus: An effect adding method, includes: applying different gains to a positive side waveform portion and a negative side waveform portion of an audio signal respectively when absolute values of input levels of the positive side waveform portion and the negative side waveform portion are smaller than a predetermined value; producing... Agent: Crowell & Moring LLP Intellectual Property Group

20070160232 - Processing an audio input signal to produce a processed audio output signal: An audio input signal is processed to produce a processed audio output signal. An audio input signal is received as an original signal. The audio input signal is dynamically filtered to produce a first stage signal consisting of a selected frequency band of the input signal. Gain applied to the... Agent: Richard M. Goldberg

20070160233 - Loudspeaker: A loudspeaker comprising a magnet unit that generates a magnetic field, and a membrane which is mounted in a frame and which is provided with an electrical conductor arranged in a pattern on the membrane, which membrane is positioned in the magnetic field in such a manner that a force... Agent: The Webb Law Firm, P.C.

20070160234 - Microphone with voltage pump: An integrated circuit (102) configured to provide a microphone output signal, comprising: a preamplifier (108) coupled to receive an input signal, generated by a first microphone member that is movable relative to a second microphone member; and a voltage pump (104) to provide a bias voltage to either microphone member.... Agent: Darby & Darby P.C.

20070160235 - Preamplifier arrangement for a drum microphone: Preamplifier arrangement for a drum microphone, in which drum the microphone is arranged inside the drum and wherein the microphone is connected to a preamplifier, characterized in that the preamplifier (6) is secured to the side wall or bottom of the resonance chamber (1) of the drum via a mounting... Agent: Katten Muchin Rosenman LLP

20070160237 - Amplifier apparatus and acoustic system: It is an object of the present invention to provide an amplifier apparatus which can amplify the sound signal at a relatively high quality, and to provide an acoustic system comprising the amplifier apparatus. The amplifier apparatus comprises a first amplifier 13 having a first acoustic gain, and being adapted... Agent: Pearne & Gordon LLP

20070160236 - Audio signal encoding device, audio signal decoding device, and method and program thereof: An audio signal encoding device includes a downmix signal encoding unit 203 and an auxiliary information generation unit 204. The downmix signal encoding unit 203 generates a downmix signal acquired by adding input signals each other using a predetermined method, encodes the downmix signal, and outputs downmix signal information 206.... Agent: Wenderoth, Lind & Ponack L.L.P.

20070160238 - Bone conduction device: The object is to provide a bone conduction device. The device is simple in construction, thin in thickness, small in leakage in magnetic flux, excellent in performance, and comprises: abase yoke (1) carrying both a voice coil (3) and a magnet (4); and, a front yoke (5). The yoke (5)... Agent: Schmeiser, Olsen & Watts

20070160239 - Bone conduction device and tympanum thereof: The object is to provide a bone conduction device and its tympanum, wherein the bone conduction device can be efficiently mounted without generating a dead space in a case having a limited installation space such as a cellular phone's case having a large display screen. A magnetic sound conveter device... Agent: Schmeiser, Olsen & Watts

20070160240 - Loudspeaker system: A hands-free loudspeaker system which is capable of achieving high-quality voice amplification without requiring a human speaker to move to a microphone or a microphone to be moved to a human speaker. A microphone whose input level has continued to be above a threshold value for not shorter than a... Agent: Pillsbury Winthrop Shaw Pittman LLP

20070160241 - Determination of the adequate measurement window for sound source localization in echoic environments: A method for sound source localization comprises the steps of computing an envelope of a signal; performing a non-linear, onset preserving smoothing of the envelope; and evaluating cues for sound source localization, using the points where the smoothing changes from its rising phase to its falling phase as measurement points.... Agent: Fenwick & West LLP

20070160242 - Method to adjust a hearing system, method to operate the hearing system and a hearing system: A method to adjust a hearing system comprising two hearing devices to be at least partly inserted into left and right ear of a head is disclosed, each hearing device comprising at least one microphone. By the steps of: exposing the hearing devices to a predefined sound source positioned at... Agent: Pearne & Gordon LLP

20070160243 - System and method for separation of a user's voice from ambient sound: A system for separation of a user's voice from ambient sound, comprising a device to be worn at the user's ear or at least partly in the user's ear canal comprising a first microphone oriented acoustically outwardly towards the environment and a second microphone oriented acoustically inwardly towards the user's... Agent: Roberts, Mlotkowski & Hobbes

20070160244 - Pillow sham incorporating an amplifier and speakers: A pillow sham is provided with spaced apart stereo speakers, an amplifier, and a pocket adapted to receive a personal stereo such as an MP3 player. The speakers are contained in a compartment which runs substantially the entire width of the pillow sham and the amplifier is contained in a... Agent: Gordon & Jacobson, P.C.

20070160245 - Personal voice-transmitted device: A personal voice-transmitted device includes at least one voice box and at least one voice-transmitted tube. The voice box has a speaker arranged therein, and is divided to a first space and a second space by the speaker. The voice-transmitted tube connects to one side of the voice box and... Agent: Rosenberg, Klein & Lee

20070160246 - Spherical loudspeaker for omnipresent sound reproduction: A highly compact loudspeaker system having a spherical housing produces time and phase coherent sound waves in an omnipresent manner throughout a spatial listening environment. Within is a relatively low frequency sound driver and a relatively high frequency sound driver. The spherical housing has upper and lower hemispherical halves. The... Agent: Bruce E. Hayden, P.C.

20070160247 - Heat-resistant electret condenser microphone: The outer face of a case which accommodates a whole microphone is coated by a material having a heat conductivity which is lower than that of a metal, and a material transforming temperature which is higher than the charge dissipating temperature of a dielectric layer for forming an internal electret,... Agent: Mcdermott Will & Emery LLP

20070160248 - Micro acoustic transducer and manufacturing method therefor: A micro acoustic transducer and manufacturing method are provided. Firstly, a substrate having one first and second cavities is provided. Then, a backplate with a plurality of acoustic holes is formed on the substrate, and a diaphragm is formed on the backplate. An air gap is formed between the backplate... Agent: Birch Stewart Kolasch & Birch

20070160249 - Ear warmer with a speaker system: A frame has an interior side and an exterior side. The frame is configured to extend around the back of a user's head. A first membrane is coupled to at least a portion of the interior side of the frame. In one embodiment, a second membrane is coupled to the... Agent: Edell, Shapiro & Finnan, LLC

20070160250 - Wireless headphone: Provided is a wireless headphone including two earphones each including a plate, a housing, a cap for securing the housing to the plate, a winding mechanism provided in the plate, and a cable wound in the winding mechanism and having a male plug at one end; and a playing device... Agent: Troxell Law Office PLLC

20070160252 - Earphone storage structure: The present invention provides an earphone storage structure comprising a necklace, two fasteners formed in the two ends of the necklace respectively and a stopper formed in the necklace. The size of the fasteners is less than the size of the stopper and the size of the earphones. Therefore, the... Agent: Marshall, Gerstein & Borun LLP

20070160251 - Removable earpiece: A first earpiece has a first side and a second side. A loop portion is connected to the second side. The first side includes a hollowed ear portion adapted to fit over a person's ear. The first earpiece is moldable in a multitude of shapes when a force is applied... Agent: Blakely Sokoloff Taylor & Zafman

20070160253 - Talking device using bone conduction speaker: The object is to provide a talking device, which employs a bone conduction speaker. The device is small in size, light in weight and excellent in fittingness. Further, the device enables its users to communicate with each other without suffering from any difficulty in hearing even in a noisy environment.... Agent: Schmeiser, Olsen & Watts

20070160254 - Glasses frame comprising an integrated acoustic communication system for communication with a mobile radio appliance, and corresponding method: A system and method for acoustical communication, in which an eyeglass frame includes at least one directionally dependent microphone for capturing voice signals of a user and a communication device for signal transmission to external electronic devices, so that the directional dependence of the at least one microphone is user-specifically... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070160255 - Earphone apparatus capable of reducing power consumption: The present invention discloses an earphone apparatus capable of saving power consumption that comprises a transmission line, a connecting portion disposed at an end of the transmission line and coupled to a multimedia electronic device for receiving an audio source signal transmitted from the multimedia electronic device, at least one... Agent: Bacon & Thomas, PLLC

20070160256 - Coaxial two-way drive unit for horn speakers: A two-way drive unit for horn-loading speakers, comprising a fist voice coil drive unit associated with a second voice coil drive unit. The first unit is a frustum of a cone shape, whereas the second unit is shaped like an annular diaphragm with a voice coil arranged on a circle... Agent: Pollack, P.C.

20070160257 - Axial magnet assisted radial magnet air return motor for electromagnetic transducer: An electromagnetic transducer such as an audio speaker, having an air-return motor. The use of an air return geometry lacking motor components in the region outside the voice coil assembly permits the spider and cone to be coupled to the bobbin much lower, significantly reducing the thickness of the transducer.... Agent: Richard C. Calderwood

20070160258 - Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same: A diaphragm for an electro-acoustic converter is made of an aromatic polyimide film. A glass transition temperature of the film is 230° C.-300° C. The aromatic polyimide film is made from a carboxylic acid component containing dicarboxylic acid compound having two or more number of ether-linked benzene rings as the... Agent: Wenderoth, Lind & Ponack L.L.P.

20070154023 - Stethoscope capable of eliminating unwanted sounds and method thereof: A stethoscope capable of eliminating unwanted sounds and method thereof, the stethoscope and method thereof mainly use a stethoscope head containing a sensor and a signal processing circuit. By way of detecting and judging whether the stethoscope head arrives on correct stethoscopic position by the sensor, unwanted sounds generating by... Agent: Birch Stewart Kolasch & Birch

20070154027 - Manually switching dual-mode hearing protector: A manually switching dual-mode hearing protector including an active hearing protection device that does not only provide for acoustic attenuation of ambient sound in order to protect hearing of a user in a noisy environment but in addition provides electro-acoustically bypassing of this acoustic attenuation function in order to provide... Agent: Charles E. Baxley, Esq.

20070154028 - Audio transducer: An audio transducer for use in a loudspeaker system. The transducer includes a rigid base, a pair of flexible, curved diaphragms and each diaphragm having a distal end and a proximal end. The curved diaphragms form hemi-cylindrical lobes being substantially tangent to one another at their proximal ends and are... Agent: Christina Ezell

20070154029 - Combination hearing protector and illumination provider: A combination hearing protector and illumination provider, including a right cup, a left cup, a band, a first light source, and a second light source. The right cup covers the right ear of a user. The left cup covers the left ear of the user. The band connects the right... Agent: Charles E. Baxley, Esq.

20070154019 - Apparatus and method of reproducing virtual sound of two channels based on listener's position: An apparatus and method of reproducing a virtual sound of two channels which adaptively reproduces a 2-channel stereo sound signal reproduced through a recording medium such as DVD, CD, or MP3 player etc., based on a listener's position. The method includes sensing a listener's position and recognizing distance and angle... Agent: Stanzione & Kim, LLP

20070154020 - Sound image localization apparatus: A sound image localization apparatus comprises an L direct output section that produces an output signal by inputting an audio signal of a rear left audio input channel to a filter having a characteristic obtained by dividing RLD by LD, an L cross output section that produces an output signal... Agent: Crowell & Moring LLP Intellectual Property Group

20070154021 - Digital feedback to improve the sound reproduction of an electro-dynamic loudspeaker: The present invention describes a solution based on software together with hardware for digital control of a loudspeaker based on feedback from a current sensor, which replaces the existing analog technology, improves the frequency response and improves the controllability over the distortion. This method solves problems with temperature sensitivity and... Agent: Lynn E Barber

20070154022 - Echo cancellation circuit: An echo cancellation circuit that cancels echo generated when an earphone-microphone is used, the earphone-microphone converting an input first analog signal into voice to be output and converting input voice into a second analog signal to be output, the circuit comprising: a cancellation circuit that receives input of first and... Agent: SocalIPLaw Group LLP

20070154024 - Electronic stethoscope: An electronic stethoscope having several modes of operation to process acoustic signals to provide filtered signals useful for diagnosis. In one mode of operation the stethoscope substantially provides only acoustic signals generated by biological activity of the heart. In another mode of operation, the acoustic stethoscope substantially provides only acoustic... Agent: Wolf Greenfield & Sacks, P.C.

20070154026 - Mute circuit for eliminating noise during power off and electronic device using the same: A mute circuit for eliminating noise during power off and an electronic device using the mute circuit are provided. The electronic device includes a power circuit, an audio processing circuit, a speaker, a micro control unit, and a mute circuit. The audio processing circuit is electrically connected to the speaker,... Agent: Bacon & Thomas, PLLC

20070154025 - Noise elimination circuit for audio equipment: A noise elimination circuit of a audio output device includes a sound card for receiving a digital audio signal and transforming it to an analog audio signal; an audio reproduction apparatus such as a audio output device connected to the sound card for receiving the analog audio signal; a power... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070154030 - Implantable hearing aid: The present invention generally relates to assistive hearing devices. In one aspect, an apparatus for use in amplifying certain frequencies and canceling other frequencies is provided. The apparatus is insertable at least partially through a tympanic membrane of a user. The apparatus includes an actuator for stimulating an eardrum. The... Agent: Patterson & Sheridan, L.L.P.

20070154031 - System and method for utilizing inter-microphone level differences for speech enhancement: Systems and methods for utilizing inter-microphone level differences to attenuate noise and enhance speech are provided. In exemplary embodiments, energy estimates of acoustic signals received by a primary microphone and a secondary microphone are determined in order to determine an inter-microphone level difference (ILD). This ILD in combination with a... Agent: Carr & Ferrell LLP

20070154033 - Audio source separation based on flexible pre-trained probabilistic source models: Improved audio source separation is provided by providing an audio dictionary for each source to be separated. Thus the invention can be regarded as providing “partially blind” source separation as opposed to the more commonly considered “blind” source separation problem, where no prior information about the sources is given. The... Agent: Lumen Intellectual Property Services, Inc.

20070154032 - Particular program detection device, method, and program: A particular program detection device is provided which can detect a particular program segment even in a program signal contaminated with noise by adaptively modifying a detection sensitivity for a scene change point. A noise level detecting section (12) detects a noise level of a program signal outputted from a... Agent: Wenderoth, Lind & Ponack L.L.P.

20070154034 - Circuit for suppressing audio noise: A circuit for suppressing audio noise having a common node electrically connected to an output terminal of a preamplifier and an input terminal of a postamplifier is disclosed, in which the preamplifier is provided power by a second voltage supply. The circuit for suppressing audio noise includes a first and... Agent: J.c. Patents, Inc.

20070154036 - Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic speaker using the same, audio signal reproduction method, ultra-directional acoustic system, and display device: A Push-Pull-type electrostatic ultrasonic transducer includes a first electrode having a through hole, a second electrode having a through hole making a pair with the through hole of the first electrode, and a vibration film held between a pair of electrodes composed of the first and the second electrodes and... Agent: Oliff & Berridge, PLC

20070154035 - Electrostatic ultrasonic transducer, ultrasonic speaker, sound signal reproducing method, ultra directional acoustic system and display device: An electrostatic ultrasonic transducer includes: a first electrode provided with a through hole; a second electrode provided with a through hole forming a pair with the through hole of the first electrode; an oscillation film sandwiched between the pair of electrodes and having an electrode layer wherein a direct current... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070154037 - Microphone-tailored equalizing system: A method and system is described to improve the reproduction of sound of an acoustic musical instrument. According to one embodiment, a first microphone is placed at a proximate location to the musical instrument to pick up the sound of the musical instrument. The sound as picked up by the... Agent: Kenyon & Kenyon LLP

20070154039 - Screen for playing audible signals by demodulating ultrasonic signals having the audible signals: A sound reproduction screen includes: at least one cell including a vibrator which receives and is vibrated by an ultrasonic signal carrying an audible signal, and a medium which has nonlinear response characteristics with respect to a vibration of the vibrator; and a screen containing the at least one cell... Agent: Sughrue Mion, PLLC

20070154038 - Non-directional transducer: A transducer for the creation of acoustic energy omni directionally in a horizontal plane. The transducer includes a base plate, the base plate supporting a centrally located voice coil motor assembly and a hemi-toroidal diaphragm having a proximal edge and a distal edge. The proximal edge is appended to the... Agent: Christina Ezell

20070154040 - Capacitive microphone and method for making the same: A capacitive microphone and method for making the same are provided. A backplate with a plurality of holes is formed on a substrate with at least one cavity, and a diaphragm is formed above the backplate. There is an air gap between the backplate and the diaphragm. The air gap... Agent: Rabin & Berdo, PC

20070154041 - Integrated entertainment system with audio modules: In a home entertainment system, a plurality of modules having diverse functions, e.g., tuners, media player/recorders, amplifiers and a surround sound unit, are integrated in a single enclosure. A unitary system is provided rather than one with many modules requiring additional space. The modules may share a common power supply... Agent: Nath & Associates, PLLC

20070154043 - Earwax protection device and method having a contrasting or colored membrane: The present invention provides the ability to efficiently detect a defect of an earwax protection device membrane. To achieve this, a high contrast is set between the membrane and the associated carrier. If the membrane is torn, the carrier in the background can then easily be detected. A particularly suited... Agent: Schiff Hardin, LLP Patent Department

20070154042 - Hearing aid protective packaging assembly: Embodiments of the invention provide systems, assemblies and methods for packaging hearing devices to protect them during shipping and storage. Many embodiments provide packaging systems that allow metal-air battery powered hearing aids to be stored for several months or longer with a live battery and then ready for use upon... Agent: Townsend And Townsend And Crew, LLP

20070154044 - Spherically housed loudspeaker system: A loudspeaker system for the reproduction of acoustic waves of music, sound and speech in a substantially circular horizontal plane. The loudspeaker system includes multiple spherical enclosures, each enclosure housing a pair of transducers, each pair of transducers producing acoustic waves of a predetermined frequency range.... Agent: Christina Ezell

20070154045 - Directing a microphone toward a vehicle occupant: An example method for positioning a microphone includes determining the position of an occupant in a passenger compartment of a vehicle. The example method directs the microphone towards the position. Another example method for positioning a microphone includes generating at least one electric signal corresponding to at least one measurement... Agent: Carlson, Gaskey & Olds, P.C.

20070154047 - Electroinc media player for playing a single collection of data: A set of headphones for playing a single audio album or song is disclosed. The set of headphones includes an electronic media player and pre-programmed audio data, such as a music album. The pre-programmed audio data cannot be added to or deleted or otherwise altered by a user, and the... Agent: Jacqueline Coyne

20070154046 - Noise reducing headphones with sound conditioning: A headphone set has a pair of headphone assemblies for engagement over the ears, each with a cushion and an active noise reduction circuit for reducing noise. A sound conditioning circuit stores various conditioning sounds for the user and an external sound source amplifier in the set is for connection... Agent: Notaro And Michalos

20070154048 - Protective case for electro product with apparatus to receive earphone: A protective case includes a chamber to receive an electro device therein. The electro device, such as MP3 player, has an earphone with a wire, a plug and two speakers. The protective case is provided with an earphone fixing device on a back thereof. The earphone fixing device includes a... Agent: Birch Stewart Kolasch & Birch

20070154049 - Transducer, headphone and method for reducing noise: A transducer, a headphone and a method reduce noise and/or ambient sounds. The headphone has a microphone, a transducer and/or an electrical circuit for producing and/or for transmitting an anti-noise sound wave and/or a noise compensation signal inside an ear cup of the headphone. The anti-noise sound wave and/or the... Agent: Patents+tms A Professional Corporation

20070154050 - Earphone having variable duct unit: An open-air type earphone having a duct that communicates between an inside and an outside of the earphone and applies an inductance component to an acoustic signal generated by an electroacoustic transducer. The earphone includes the electroacoustic transducer to convert an electric signal into an acoustic signal, a housing to... Agent: Stanzione & Kim, LLP

20070154051 - Headphone device: A headphone device includes a sound amplifying member, a connecting member and a fixing member. The sound amplifying member includes a first speaker and a second speaker for outputting a sound. The connecting member is interconnected between the first speaker and the second speaker and made of first flexible material.... Agent: Madson & Austin Gateway Tower West

20070154052 - Noise cancelling cable assembly: The inventions disclosed and claimed herein relate to a family of cable assemblies which are adapted for use with personal headphones. Various configurations of the assemblies are disclosed herein, each of which provide some combination of many diverse features, including: (1) capability for converting a passive headphone into an active... Agent: David I. Roche Baker & Mckenzie LLP

20070154053 - Resonance chamber of mobile phone: A resonance chamber of mobile phone includes a shell (11) defining a resonance cavity (20) for receiving a speaker (50) therein. A plurality of holes (18) is defined in the shell facing to a first side of the speaker. A channel (30) is defined in the shell extending laterally from... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070154054 - Mounting bracket and speaker unit: The speaker unit 1 includes a speaker 2 and a mounting bracket 3. The mounting bracket 3 includes an attachment 16, a connecting part 17, and an elastic part 18. The attachment 16 is attached to the speaker 2. The connecting part 17 is linked with the attachment 16. The... Agent: Sughrue Mion, PLLC

20070154055 - Automobile pillar electroacousticaltransducing: An acoustic assembly including an electroacoustical transducer and an acoustic element, separate from the acoustical transducer, designed and constructed to be an element of a structural pillar of an automobile.... Agent: Fish & Richardson PC

20070154056 - Loudspeaker with air deflector: An air deflector is positioned relative to the through bore in the pole piece of the motor structure of a speaker such that the flow of air entering and leaving a cavity overlying the voice coil and pole piece is directed along a flow path which passes in thermal communication... Agent: Gray Robinson, P.A.

20070154057 - Speaker device: It is an object of the present invention to use a simplified structure to improve a strength of a neck portion of a conical diaphragm in the vicinity of a voice coil fixing section, thereby inhibiting an undesired dividing vibration in a speaker device. The speaker device of the present... Agent: Arent Fox PLLC

20070154058 - Corrugated damper for speaker: A corrugated damper for a speaker has a plurality of alternating concentric peaks and valleys formed on a surface thereof and a plurality of ribs installed on the valleys in such a way that both ends of the ribs are connected between their respective two adjacent peaks, thereby enhancing strength... Agent: Birch Stewart Kolasch & Birch

20070154059 - Damper structure of preventing irregular vibration for speaker: A damper structure for a speaker is provided to preventing irregular vibrations, and the improvements comprises the damper having one or more elastic reinforcing pieces attached with a corrugated surface of the damper. The reinforcing pieces may be of smaller annular strips, larger annular strips, or straight strips corresponding to... Agent: Birch Stewart Kolasch & Birch