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Electrical Audio Signal Processing Systems And Devices > One-way Audio Signal Program Distribution One-way Audio Signal Program DistributionOne-way Audio Signal Program Distribution patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/11/07 - 20070237337 - Modular speaker system A flexible speaker system utilizes the AC mains connection as a transmission medium to distribute an audio signal throughout any building or set of buildings having power associated with the AC mains circuit, as well as electromagnetic space wave and optical communications. The key to the flexibility of the system ... 09/27/07 - 20070223723 - Combination low voltage speaker / light fixture A combination low voltage light and sound producing fixture is disclosed for installation in a yard wall or ceiling or on a wall or ceiling. Outdoor lighting and sound is produced with low voltage lighting that is wired or solar powered for operation. The fixture may further include digital signal ... 09/27/07 - 20070223722 - Digital power link audio distribution system and components thereof An audio distribution system in one embodiment includes a master device, a powered speaker unit, and an expander device. The master device has an output port for receiving a cable carrying an electrical power signal along with a digital audio signal. The speaker unit includes a first port for receiving ... 08/16/07 - 20070189548 - Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same A method and system of producing a parametric ultrasonic wave to be decoupled in air to create a decoupled audio wave that closely corresponds to an audio input signal. The method is comprised of ascertaining 402 a linear response over a predefined frequency range of an acoustic output of an ... 07/26/07 - 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 ... 07/12/07 - 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 ... 06/21/07 - 20070140506 - Synchronization of sound generated in binaural hearing system The binaural hearing system comprises a first hearing device and a second hearing device, each comprising an output transducer for converting audio signals into signals to be perceived by a user of the hearing system; a communication link interconnecting said first and said second hearing device; and a sound generator ... 06/14/07 - 20070133817 - Wireless audio system using wireless local area network A wireless audio system includes a first device and a second device. The first device includes a first logic and a first WLAN unit coupled to the first logic. The first logic performs audio processing to generate audio data. The first WLAN unit transmits the audio data through a radio ... 06/07/07 - 20070127732 - Distributed stereo system This invention concerns a distributed stereo audio system. Distributed stereo audio systems are used to provide stereo sound to several rooms or areas from a single source of signal. The system includes two or more speakers for the broadcast of stereo audio signals; a source of stereo audio signals; a ... 05/24/07 - 20070116297 - Multiple channel audio system supporting data channel replacement An audio processing system which allows a surround sound system to utilize the transmission bandwidth efficiently by adaptively transmitting a supplementary data from a secondary source in addition to the audio signals of a primary source. The system consists of a transmitter component, capable of transmitting audio signals from a ... 05/10/07 - 20070104334 - Acoustic landscape A system (7) for providing sound includes a sound library (4) having at least one sound, a substantially unidirectional speaker (1), an amplifier (2), and a control system (3). The amplifier (2) transmits a selected sound from the sound library (4) to the speaker (1). The speaker (1) is selectively ... 05/03/07 - 20070098184 - Audio input/output device and method for switching input/output functions Using a 4-pin audio jack, 3-pin signal interfaces including the ground interface are assigned with conventionally used earphone/microphone functions (one microphone input and one speaker output), while the other interface corresponding to the fourth pin is assigned with a function of microphone input for voice recognition in high noise environment. ... 03/08/07 - 20070053523 - Lanyard for handheld electronic device A lanyard for carrying or wearing portable electronic devices is disclosed. The lanyard includes a neck cord having data carrying capabilities. The lanyard also includes a harness that physically holds and operatively couples the portable electronic device to the neck cord. When a portable electronic device is coupled to the ... 02/22/07 - 20070041590 - Directional speaker system A directional sounder emits audible outputs in a first direction. Audible outputs in a second direction are canceled. Two transducers can be carried in a common housing configured to emit outputs in the first and second directions respectively. ... 01/25/07 - 20070019821 - Illuminating headphones A personal headphone designed to be used with personal music players, such as, for example, an iPod, MP3, Portable CD, etc., that provides sound, preferably in stereo, from the personal music player to a user's ears. It may also be used with other portable devices that provide sound such as, ... 01/25/07 - 20070019820 - Communication device with single output audio transducer A communication device 100 includes a first audio output 105; a second audio output 110; an audio transducer 115 for dual mode use; a shuttered acoustic path 120 coupled between the audio transducer 115 and the first audio output 105; and an attenuated acoustic path 125 coupled between the audio ... 01/04/07 - 20070003073 - Interface device for wireless audio applications. The present invention is directed to wireless analog audio systems for transmission and reception of a signal from an electric analog audio signal-generating device to an electric analog audio signal-receiving device. Examples of electric analog audio signal-generating devices are radio players, tape players, CD players, mp3 players, computers, television audio, ... 12/28/06 - 20060291667 - Method and device for driving a directional speaker A directional speaker that vibrates a diaphragm to send sound waves includes reproducing signal generation means 10 for outputting a reproducing audible signal; ultrasonic signal generation means 20 for outputting a carrier wave signal at a frequency in an ultrasonic band; phase modulation means 30 for phase modulating the carrier ... 12/14/06 - 20060280315 - System and method for delivering audio-visual content along a customer waiting line A system for providing audio information to persons in an approach path (12) includes an interaction point (14), and an approach path (12) leading to the interaction point. A parametric sound system (18) is provided, which includes a parametric speaker (20) disposed adjacent to the interaction point. The parametric sound ... 08/03/06 - 20060171545 - Audio signal switching apparatus An audio signal switching apparatus at least comprises an audio jack, a speaker jack, a detection circuit and a control circuit. The audio jack and the speaker jack are separately configured in a computer system. The detection circuit detects whether the computer system is turned on or turned off. The ... 08/03/06 - 20060171544 - Wireless low-frequency audio reproduction system for an electronic device A wireless low-frequency audio reproduction system for an electronic device. The wireless low-frequency audio system reproduces sound in response to a source audio signal of the electronic device and includes an audio processing device, a wireless transmission module, and an audio reproduction device. The audio reproduction device includes a low-frequency ... 07/27/06 - 20060165244 - Computer system for switching audio outputs and method thereof A computer system for switching audio outputs and a method thereof are provided. The computer system includes a host, a speaker, an earphone, and a switch controller for selectively switching one of the speaker and the earphone to electrically connect to an audio port of the host. The switch controller ... 07/13/06 - 20060153397 - Audio distribution system An audio distribution system comprises a plurality of individual signal conditioning circuits connected in series. Each circuit comprises a signal conditioning unit to which an audio input (13) is fed. The output from the unit is fed to a precision signal addition device. Each circuit also comprises a balanced line ... 06/15/06 - 20060126862 - Distributed audio system A distributed stereo system includes two (or more) speakers; a source of audio signals; an amplifier in the same room as the speakers that drives the speakers; and a mains-operated electrical power supply to power the amplifier. The amplifier is remote from the signal source and power supply and is ... 06/15/06 - 20060126861 - Personal listening device for events Herein is disclosed a method and apparatus for transmitting sound generated at an event to those in attendance at the event. This is accomplished by a system that collects an acoustic audio signal generated at a first location within a fixed space. The system also conditions the audio signal without ... 06/15/06 - 20060126860 - Flexible lighting and sound configuration An audio output device (101) is configured to transmit an audio signal to an external power amplifier (107). The transmission of the audio signal can be accomplished by means of a wireless transmitter (401) or standard audio cable (103). The power amplifier (107), a low voltage power supply (111), and ... 05/18/06 - 20060104456 - Apparatus and method for boosting sound in a denta-mandibular sound-transmitting entertainment toothbrush A device and method for transmitting sound waves between a signal source and a user's ears, wherein the sound waves bypass the air. The sound waves are conducted by the user's teeth and bones to the user's ears, where they are perceived as sound. Sound-transmitting toothbrushes and the like are ... 05/04/06 - 20060093154 - Ultrasonic based parametric multivalve loudspeaker system An arrangement of parametric loudspeakers is described, in which the totality of the transducers is subdivided into groups, wherein each group is controlled by at least one modulator associated therewith, so that a parametric multi-path loudspeaker system results. Thereby it is made possible, that for each of the paths the ... 04/13/06 - 20060078132 - Method and apparatus for reproducing audio signal An audio signal is supplied to a loudspeaker array to perform wavefront synthesis. A virtual sound source is produced at an infinite distance using wavefront synthesis. ... 03/09/06 - 20060050894 - Entertainment system A system of and method for installation and use thereof that provides for application of karaoke system components applicable either for desktop or mobile environments, including integrated or retrofittable components in a manner that allows desktop users/vehicle occupants to selectively utilize in combination a karaoke system together with audio and ... 03/02/06 - 20060045288 - Speaker talks ii There are so many advantages to SPEAKER TALK II. One of the two main advantages is that, far and formost it will save lives in many oases of driving especially long distance driving.Road trips will not be the same again. Who will fall asleep singing along their favourite song while ... 03/02/06 - 20060045287 - Microphone with ultrasound/audible mixing chamber to secure audio path Methods, microphones, and processors are provided for processing ambient sound waves. Ultrasound waves are combined with the sound waves to create heterodyned sound waves. The heterodyned sound waves are detected and, in response, a sound detection signal containing information relating to the heterodyned sound waves is generated. A heterodyned audio ... 03/02/06 - 20060045286 - Microphone with ultrasound/audible mixing chamber to secure audio path Methods, microphones, and processors are provided for processing ambient sound waves. Ultrasound waves are combined with the sound waves to create heterodyned sound waves. The heterodyned sound waves are detected and, in response, a sound detection signal containing information relating to the heterodyned sound waves is generated. A heterodyned audio ... 01/12/06 - 20060008093 - Media recorder system and method A method and system for communicating audio signals. The method comprises receiving the audio signals, each portion of the audio signals being associated with a single one of a plurality of original sounds, such as a single musical instrument, a human voice, or a naturally occurring sound. The method comprises ... 01/12/06 - 20060008092 - Interactive broadcast channel A broadcast music channel for a one-to-many broadcasting infrastructure, broadcasting at least vocal and instrumental parts of musical performances to currently connected users of the channel, and supporting a user operated interactive control allowing each user independently to remove a vocal part of a current performance if desired. The vocals ... 12/22/05 - 20050281413 - Parametric audio system for operation in a saturated air medium A parametric loudspeaker system and method for reducing distortion in a decoupled audio wave by creating a double sideband parametric ultrasonic signal that substantially approximates a non-square-rooted modulation envelope and emitting a parametric ultrasonic wave that corresponds to the double sideband parametric ultrasonic signal from a parametric loudspeaker at a ... 11/03/05 - 20050244017 - Transducers coated with anechoic material for use in down hole communications A communication device is located within a well and includes a transducer that converts a first electrical signal into a first acoustic signal for transmission through the well and that converts second acoustic signal received from the well to a second electrical signal. The transducer is at least partially coated ... 11/03/05 - 20050244016 - Parametric loudspeaker with electro-acoustical diaphragm transducer A method is disclosed for generating parametric audio output based on the interaction of multiple ultrasonic outputs within air as a nonlinear medium. The method includes the step of generating an electronic signal comprising at least two ultrasonic signals having a difference in value which falls within an audio frequency ... 10/27/05 - 20050238182 - Prescription remote-control system A prescription remote-control system includes a designed prescription encoded by audio-frequency encoding technique, and then the encoded signal is burned with sounds or both sounds and images to make a sound or an image-and-sound prescription compact disk. After the sounds and images of the prescription compact disk are broadcast, an ... 10/13/05 - 20050226438 - Parametric ring emitter A sound emitting device (10) for providing at least one new sonic or subsonic frequency as a by-product of emitting a waveform of at least two ultrasonic frequencies whose difference in value corresponds to the desired new sonic or subsonic frequency. The device includes a parametric emitting perimeter or plurality ... 10/13/05 - 20050226437 - Method and device for generating information relating to relative position of a set of at least three acoustic transducers (as amended) The invention relates to a method and device for generating data about the mutual position of at least three acoustic transducers. The aim of the invention is to make it possible to continuously measure and calculate the mutual position of at least three acoustic transducers, particularly the rotation and the ... 10/06/05 - 20050220311 - Method and apparatus to generate an audio beam with high quality The present invention proposes a system in which an ultrasonic carrier beam is modulated using an audio input signal. The audio signal is divided into frequency bands, and that frequencies in different ones of these bands are treated differently. Specifically, different modulating schemes are used for different frequency bands. Also, ... 09/29/05 - 20050213775 - Sound source transmitting device A sound source transmitting device includes a sound source plug, which has a main terminal and parallel auxiliary terminals at the front side and a cable at the back side, which main terminal has a front tip, and a sound source socket, which has a main plughole for receiving the ... 09/22/05 - 20050207590 - Method of reproducing audio sound with ultrasonic loudspeakers A method of reproducing audio sound with ultrasonic loudspeakers and a design of the ultrasonic loudspeakers and use thereof is disclosed. The method and related apparatus, is for reproducing audio sound by means of an ultrasound-producing device, wherein the audio signal to be reproduced is linked by side band amplitude ... 09/22/05 - 20050207589 - Hypersonic transducer This invention provides methods and apparatus for focusing a hypersonic beam to control both a direction and depth of audible formation delivery. Signals that are delivered to each of a plurality of hypersonic transducer elements are adjusted in phase so that transmitted hypersonic signals are focused at a focal point ... 09/22/05 - 20050207588 - Focused hypersonic communication This invention provides methods and apparatus for focusing a hypersonic beam to control both a direction and depth of audible information delivery. Signals that are delivered to each of a plurality of hypersonic transducer elements are adjusted in phase so that transmitted hypersonic signals are focused at a focal point ... 09/22/05 - 20050207587 - Parametric array modulation and processing method A system using the nonlinearity of a propagation medium to demodulate an ultrasonic wave having audio modulated onto the ultrasonic frequency, audio signal processing circuitry providing a delayed audio signal and an envelope signal which is a function of peaks of the audio signal over a predetermined interval. The delayed ... 09/08/05 - 20050195985 - Focused parametric array A parametric sound system for creating an acoustical column along an axis of propagation having a quiet zone an audible zone is disclosed. The system comprises a parametric electro-acoustic emitter configured for emitting a plurality of focalized parametric ultrasonic waves. A plurality of decoupled acoustic waves are maximized at a ... 09/01/05 - 20050190928 - Transmitting/receiving system, transmitting device, and device including speaker In a television receiver, based on speaker information of each of one or more devices including speakers which is a memory of the television receiver, a transmitting audio signal to be transmitted to each device including a speaker, in which synchronization is established between devices including speakers in a reproduction ... 08/25/05 - 20050185800 - Parametric sound system with lower sideband This invention provides a parametric loudspeaker system, with a carrier frequency generator to produce a carrier frequency. A modulator receives an audio signal and modulates it onto the carrier frequency, producing a modulated signal. This modulation creates at least one sideband signal that is divergent from the carrier frequency by ... 07/28/05 - 20050163329 - 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 ... 07/21/05 - 20050157889 - Electronic device with external speaker A locking hook 33 of an external speaker 30 is inserted into a locking hole 16 of a cabinet 11, and a connecting terminal 37 provided in the cabinet 11 is inserted into a connecting jack 20 provided in the external speaker 30. The connecting jack 20 is pressed by ... 07/14/05 - 20050152561 - Modulator - amplifier A modulator-amplifier configured for use in parametric sound reproduction systems, including an input configured for receiving at least one input signal, a reference signal generator configured for generating a reference signal, and a comparator stage coupled to the input and the reference signal generator, the comparator stage configured for detecting ... 06/23/05 - 20050135633 - Audio system An audio capture and transmission system for use during aquatic activity includes means for capturing sound associated with an aquatic activity. The system also includes a harness for securing the system to a user. The harness houses the capturing means and includes means for protecting the capturing means from the ... 06/16/05 - 20050129254 - Location aware directed audio A directed audio system, a network interface communicatively coupled with a network, and a controller to receive, via the network interface, an estimate for a location from a locating device communicatively coupled with the network, and to cause the directed audio system to direct an audio signal based at least ... ### FreshPatents.com Support |