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Patent # Description
US-8,139,807 Headset with noise plates
A headset comprises two earphones joined together by a band which can be worn over the head of a wearer. Each earphone includes a noise plate, which functions...
US-8,139,806 Earphone for placement in an ear
An earphone which fits into an ear is disclosed. The earphone includes an electroacoustic transducer for converting an audio signal into sound and a housing for...
US-8,139,805 Speaker apparatus
A speaker apparatus includes a speaker and a sound box. The sound box is shaped like a wine barrel and includes arced side boards and parallel top and bottom...
US-8,139,804 Electroacoustic transducing with a bridge phase plug
An electro-acoustic transducer has an electro-magnetically driven moving dome and a phase plug having a body and a dome-interface surface, with a compression...
US-8,139,803 Systems and methods for haptic sound
Systems and methods for applying vibration to the human body. A vibration system includes a vibrator capable of converting an electrical signal into vibration....
US-8,139,802 Hearing apparatus having coils arranged orthogonal to one another
Inductive transmission to a hearing apparatus and in particular to a hearing device is to be improved. To this end, it is proposed to equip the hearing...
US-8,139,801 Hearing aid glasses using one omni microphone per temple
Hearing glasses with a left temple and a right temple connected to a front portion supporting a pair of lenses, at least one temple with one single microphone...
US-8,139,800 Hearing apparatus with a magnetically attached battery holding device
A hearing apparatus is to be provided, with which the battery can be exchanged in an almost wear-free fashion. Provision is thus made to magnetically attach a...
US-8,139,799 Hearing apparatus with controlled input channels and corresponding method
The signal quality in a hearing apparatus and in particular in a hearing device featuring a plurality of input channels is to be improved. Provision is made for...
US-8,139,798 Sound reproducing apparatus
A sound reproducing apparatus is provided with a circuit comprising a first secondary phase shifter in a front stage of at least one of channels among a first...
US-8,139,797 Directional electroacoustical transducing
A multichannel audio system for radiating sound to a listening area that includes a plurality of listening spaces. The audio system includes directional audio...
US-8,139,796 Wireless microphone device
To provide a wireless microphone device that enables a circuit board, which is to be provided with an oscillation circuit, to be decreased in size without...
US-8,139,795 Loudspeaker system for aircraft cabin
A loudspeaker system for an aircraft cabin for passengers has a support structure, which includes multiple flexible flat elements, forming the internal walls of...
US-8,139,794 Speaker devices
A speaker device may include a substrate, a membrane above the substrate, and an electrode above the membrane, a plurality of first supporting members, and a...
US-8,139,793 Methods and apparatus for capturing audio signals based on a visual image
In one embodiment, the methods and apparatuses detect an initial listening zone wherein the initial listening zone represents an initial area monitored for...
US-8,139,792 Amplifier circuits, methods of starting and stopping amplifier circuits
An amplifier circuit (100) has an input stage (OP1) and an output stage (Q1, Q2) operating with different supply voltages and different quiescent voltages. The...
US-8,139,791 Ground referenced audio headphone amplifier with low standby current
A ground-referenced headphone amplifier includes left and right channel audio amplifiers, each including a standby mode trigger control input. A sense...
US-8,139,790 Integrated circuit biasing a microphone
The invention provides an integrated circuit. The integrated circuit receives a first signal from a microphone via a first node. In one embodiment, the...
US-8,139,789 Signal amplifier circuit
A plurality of main amplifiers amplifies input audio signals with an adjustable gain. A first selector selects any of the input audio signals. An auxiliary...
US-8,139,788 Apparatus and method for separating audio signals
An audio signal separation apparatus for separating observation signals in the time domain of a mixture of a plurality of signals including audio signals into...
US-8,139,787 Method and device for binaural signal enhancement
Various embodiments for components and associated methods that can be used in a binaural speech enhancement system are described. The components can be used,...
US-8,139,786 Plop noise avoidance for an amplifier
The invention concerns a method and signal conversion device for avoiding undesirable noise in the start up of an amplifying device, as well as to an amplifying...
US-8,139,785 Sound reinforcement method and apparatus for musical instruments
A method and apparatus for sound reinforcement for musical instruments. The method and apparatus re-direct sound waves via an open-sided chamber against a...
US-8,139,784 Compound loudspeaker
A compound loudspeaker comprises an acoustically radiating first diaphragm and an acoustically radiating second diaphragm. The first and second diaphragms are...
US-8,139,783 Speaker assembly arrangement for a vehicle and method of mounting a speaker
A speaker assembly arrangement for a vehicle is provided that includes a speaker unit including a speaker cabinet defining a first volume and a body part of a...
US-8,139,782 Modular amplification system
A system is provided for amplifying audio signals from an audio source for use on a motorcycle or other personal motorized vehicles that includes a control...
US-8,139,781 Bluetooth headset with a retractable structure
A Bluetooth headset includes a case, a circuit board, a speaker, a USB plug, a memory slot, an actuating structure, and a movable lid. The case is a hollow...
US-8,139,780 Using ray tracing for real time audio synthesis
According to embodiments of the invention, a sound engine may determine a final sound at a listener location by emulating sound waves within a three-dimensional...
US-8,139,779 Method for the operational control of a hearing device and corresponding hearing device
The aim of the invention is to make using a hearing device and in particular a hearing aid more comfortable and more effective for the user. To this end the...
US-8,139,778 Method for the time-controlled adjustment of a hearing apparatus and corresponding hearing apparatus
The training of a hearing apparatus in respect of an individual adjustment is to be developed in a more user-friendly manner. To this end, provision is firstly...
US-8,139,777 System for comfort noise injection
A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a...
US-8,139,776 Wireless receiving apparatus and electronic appliance
A wireless receiving apparatus that includes a connector including a plurality of terminals. A predetermined terminal is assigned as an identification terminal...
US-8,139,775 Concept for combining multiple parametrically coded audio sources
According to the present invention, multiple parametrically encoded audio signals can be efficiently combined using an audio signal generator, which generates...
US-8,139,774 Multi-element directional acoustic arrays
An audio system including a left input channel signal, a right input channel signal, and a discrete center input channel. Circuitry removes correlated content...
US-8,139,773 Method and an apparatus for decoding an audio signal
An apparatus and method for receiving a downmix signal including at least one object signal, and a bitstream including object information and downmix channel...
US-8,139,772 System and method for estimating channel condition based on filtered pilot energy signal
A receiver may estimate a channel condition based on a difference between a pilot energy signal and a filtered pilot energy signal. The receiver may further...
US-8,139,771 System and method for switching a mode of a receiver using block estimation
A system and method for switching a mode of a receiver between a monophonic and stereophonic mode is disclosed. The method can include generating a residual...
US-8,139,770 Cryptographic key backup and escrow system
A system for securely storing application keys is comprised of a database system, a peripheral hardware security module and cryptographic keys, wherein...
US-8,139,769 Processing multi-key content
Multi-key content processing systems and methods, for processing content with at least one distribution target position. Each of the distribution target...
US-8,139,768 Encrypting content in a tuner device and analyzing content protection policy
A tuning device uses a counter mode encryption cipher to encrypt counters associated with media content in order to protect the media content when it is sent to...
US-8,139,767 Fine-grained forward-secure signature scheme
The presented methods form the basis of a forward-secure signature scheme that is provably secure. Moreover, the presented methods form also the basis of a...
US-8,139,766 Pseudo public key encryption
According to the present invention, a secret key cryptosystem and tamper-proof hardware are used to realize a pseudo-public key cryptosystem at a low cost. A...
US-8,139,765 Elliptical polynomial-based message authentication code
The elliptic-polynomial based Message Authentication Code (MAC) provides MAC generation methods based on the elliptic polynomial discrete logarithm problem. It...
US-8,139,764 Closed galois field cryptographic system
A cryptographic system (CS) comprised of generators (502), (504), (510), an encryption device (ED), and a decryption device (DD). The generator (502) generates...
US-8,139,763 Randomized RSA-based cryptographic exponentiation resistant to side channel and fault attacks
Systems and/or methods that facilitate secure electronic communication of data are presented. A cryptographic component facilitates data encryption, data...
US-8,139,762 Electronic device and acoustic playback method
In a folding electronic device, a pair of micro-speakers is mounted in the upper housing, and a vibrating actuator is mounted in the lower housing. Both these...
US-8,139,761 Network interface device, apparatus, and methods
A line module includes a plurality of pivoting insulation displacement connector holders, an insulation connector (IDC) positionable in at least one holder when...
US-8,139,760 Estimating delay of an echo path in a communication system
Methods and corresponding systems for reducing an echo signal include assigning a subsegment delay to each of a plurality of subsegment adaptive filters. A send...
US-8,139,759 Line state detecting apparatus and transmitting apparatus and receiving apparatus of balanced transmission system
A line state detecting apparatus provided in a balanced transmission system includes, in transmission lines comprising a pair of conductors W1, W2 connected to...
US-8,139,758 Voice caller ID
An apparatus and method for audibly annunciating at a device information transmitted over a telephone network. The information is transmitted in the form of a...
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