http://www.freshpatents.com/Electrical-audio-signal-processing-systems-and-devices-dtnewntc381.php USPTO Class 381 - Electrical audio signal processing systems and devices en-us Mon, 20 May 2013 13:39:26 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130516ptan20130121494.php Mon, 20 May 2013 13:39:26 -0700 A system and method configured to determine if a user is appropriately wearing an audio device, such as a headset, is described that enables a more accurate calculation of the audio device's acoustical characteristics. Headsets, such as headphones and earbuds, include a plurality of engagement sensors configured to determine if... http://www.freshpatents.com/-dt20130516ptan20130121495.php Mon, 20 May 2013 13:39:26 -0700 A sound mixture may be received that includes a plurality of sources. A model may be received that includes a dictionary of spectral basis vectors for the plurality of sources. A weight may be estimated for each of the plurality of sources in the sound mixture based on the model.... http://www.freshpatents.com/-dt20130516ptan20130121496.php Mon, 20 May 2013 13:39:26 -0700 e) determining, in dependence of said at least one auditory test signal (1a) and of said reaction or lack of reaction, a setting for at least one of said adjustable parameters. d) deducing from said image analysis whether or not said individual (U) has shown a reaction... http://www.freshpatents.com/-dt20130516ptan20130121498.php Mon, 20 May 2013 13:39:26 -0700 A handheld device includes: an orientation sensor; an audio processor connected to the orientation sensor and adapted to receive orientation information from the orientation sensor; and a plurality of microphones through which audio content is captured, wherein the audio processor modifies the noise reduction algorithm applied to the audio content... http://www.freshpatents.com/-dt20130516ptan20130121497.php Mon, 20 May 2013 13:39:26 -0700 A method and apparatus for canceling an echo in audio communication is disclosed. The method comprises receiving an audio signal from a network and subsequently detecting a mixture audio signal comprising a target audio signal and an echo audio signal, the echo signal corresponding to the received audio signal. The... http://www.freshpatents.com/-dt20130516ptan20130121500.php Mon, 20 May 2013 13:39:26 -0700 A parametric loudspeaker system comprises a pre-compensator (305) for generating a pre-compensated envelope signal by applying a pre-compensation to the input audio signal where the pre-compensation compensates for distortion of in-air demodulation of the modulated ultrasound signal. A pre-modulator (307) generates a complex base band signal generating a phase signal... http://www.freshpatents.com/-dt20130516ptan20130121499.php Mon, 20 May 2013 13:39:26 -0700 A system and method for processing close talking differential microphone array (CTDMA) signals in which incoming microphone signals are transformed from time domain signals to frequency domain signals having separable magnitude and phase information. Processing of the frequency domain signals is performed using the magnitude information, following which phase information... http://www.freshpatents.com/-dt20130516ptan20130121501.php Mon, 20 May 2013 13:39:26 -0700 An active noise control apparatus for an intake system of a vehicle may include a filter mounted on a portion of the intake system for blocking foreign materials; and a speaker assembly detachably installed at the portion to which the filter is mounted.... http://www.freshpatents.com/-dt20130516ptan20130121503.php Mon, 20 May 2013 13:39:26 -0700 Associations between pieces of electronic audio content and geographic locations are stored. An indication of a present link between an electronic device and a particular geographic location is received. A particular piece of electronic audio content is identified as being related to the particular geographic location. The identified piece of... http://www.freshpatents.com/-dt20130516ptan20130121502.php Mon, 20 May 2013 13:39:26 -0700 A vehicular apparatus receives music data from a portable terminal through a first communication device and stores the music data to a memory unit. The vehicular apparatus then outputs the music data stored to a music playback apparatus. The vehicular apparatus continues the output of the music data stored in... http://www.freshpatents.com/-dt20130516ptan20130121505.php Mon, 20 May 2013 13:39:26 -0700 An apparatus comprises a plurality of microphone units including at least a first microphone unit and a second microphone unit, each of the first and second microphone units comprising a microphone, an analog-to-digital converter, and a local memory. The microphone is configured to capture an analog audio signal. The analog-to-digital... http://www.freshpatents.com/-dt20130516ptan20130121504.php Mon, 20 May 2013 13:39:26 -0700 Microphone stages in a microphone array may be coupled together in a daisy chain. Each stage may include a microphone, an analog to digital converter, a decimation unit, a receiver, an adder, and a transmitter. The converter may convert analog audio microphone signals into digital codes that may be decimated.... http://www.freshpatents.com/-dt20130516ptan20130121506.php Mon, 20 May 2013 13:39:26 -0700 Online source separation may include receiving a sound mixture that includes first audio data from a first source and second audio data from a second source. Online source separation may further include receiving pre-computed reference data corresponding to the first source. Online source separation may also include performing online separation... http://www.freshpatents.com/-dt20130516ptan20130121508.php Mon, 20 May 2013 13:39:26 -0700 A method and device for modifying a synthesis of a time-domain excitation decoded by a time-domain decoder, wherein the synthesis of the decoded time-domain excitation is classified into one of a number of categories. The decoded time-domain excitation is converted into a frequency-domain excitation, and the frequency-domain excitation is modified... http://www.freshpatents.com/-dt20130516ptan20130121507.php Mon, 20 May 2013 13:39:26 -0700 The present invention provides methods and systems for digitally processing audio signals. Some embodiments receive an audio signal and converting it to a digital signal. The gain of the digital signal may be adjusted a first time, using a digital processing device located between a receiver and a driver circuit.... http://www.freshpatents.com/-dt20130516ptan20130121509.php Mon, 20 May 2013 13:39:26 -0700 A sound transducer includes a substrate with a cavity with extending from a first surface of the substrate, a body at least partially covering the cavity and being connected to the substrate by at least one resilient hinge, a first set of comb fingers mounted to the substrate, and a... http://www.freshpatents.com/-dt20130516ptan20130121510.php Mon, 20 May 2013 13:39:26 -0700 Disclosed herein is a controlling terminal apparatus including: a transmission section transmitting and outputting a control signal to a plurality of sound outputting apparatus; a display section; an operation detection section detecting an operation for the displayed substance of the display section; and a control section controlling the display section... http://www.freshpatents.com/-dt20130516ptan20130121511.php Mon, 20 May 2013 13:39:26 -0700 A system and method are described for selecting a target sound object from a sound mixture. In embodiments, a sound mixture comprises a plurality of sound objects superimposed in time. A user can select one of these sound objects by providing reference audio data corresponding to a reference sound object.... http://www.freshpatents.com/-dt20130516ptan20130121512.php Mon, 20 May 2013 13:39:26 -0700 An amplifier includes: a first operational signal path arranged to generate a first pre-output signal according to an input signal under a first operating mode of the amplifier; a second operational signal path arranged to generate a second pre-output signal according to the input signal under a second operating mode... http://www.freshpatents.com/-dt20130516ptan20130121513.php Mon, 20 May 2013 13:39:26 -0700 An opening type bone conduction earphone which eliminates headband and has a compact and simple structure comprising a magnetic body, which has an aeration hole, which is able to communicate with the outside world when wearing, at the center part of the axial direction, at least one or more dampers... http://www.freshpatents.com/-dt20130516ptan20130121514.php Mon, 20 May 2013 13:39:26 -0700 A sound-generating device comprises at least two first enclosures and a thin film. The at least two first enclosures with at least one first bendable element coupled between two neighboring first enclosures. The thin film comprising at least one electrode and at least one piezoelectric layer, the at least one... http://www.freshpatents.com/-dt20130516ptan20130121515.php Mon, 20 May 2013 13:39:26 -0700 The present invention combines a head-tracking system, for example a camera system typically used for user head and eye tracking, with a plurality of loudspeakers to as to enhance the audio experience of the user. The location of the user can be used to alter the audio signal sent to... http://www.freshpatents.com/-dt20130516ptan20130121516.php Mon, 20 May 2013 13:39:26 -0700 A sound reproduction system for reproducing an audio signal as originating from a first direction relative to a nominal position (211) and orientation of a listener is provided. The system comprises a first sound transducer arrangement (105) arranged to generate sound reaching the nominal position (211) from a first position... http://www.freshpatents.com/-dt20130516ptan20130121517.php Mon, 20 May 2013 13:39:26 -0700 A method and apparatus for adding audible noise with time varying volume to audio devices are disclosed which makes the time varying volume envelope of the added audible noise proportional to the time varying volume envelope of sound for frequencies where an individual has a restricted range of perception. The... http://www.freshpatents.com/-dt20130516ptan20130121518.php Mon, 20 May 2013 13:39:26 -0700 The present invention is directed to an in-the-ear device sized and shaped such that the in-the-ear device universally and ergonomically fits into the human ear without slipping out and providing the user with a comfortable fit. The in-the-ear device is secured in the user's ear taking advantage of the natural... http://www.freshpatents.com/-dt20130516ptan20130121519.php Mon, 20 May 2013 13:39:26 -0700 A hearing aid retainer accessory to be used together with a hearing aid is provided having a housing with a relatively large diameter longitudinal end face portion and a relatively smaller diameter hook-end to which a hook is attached. The hearing aid retainer accessory comprises an elongated string with a... http://www.freshpatents.com/-dt20130516ptan20130121520.php Mon, 20 May 2013 13:39:26 -0700 A portable electronic device includes a housing, a main board and a screen module fixed on the main board and located between the housing and the main board. The housing defines a resisting portion resisted against the main board. When an external force is out on the housing, the resisting... http://www.freshpatents.com/-dt20130516ptan20130121522.php Mon, 20 May 2013 13:39:26 -0700 Coaxial two-way or more loudspeaker system (1) comprising a low range electro-dynamic transducer (2) and a high range transducer (3) with compression chamber including a whole horn, mounted in a coaxial and frontal with respect of the low range transducer (2).... http://www.freshpatents.com/-dt20130516ptan20130121521.php Mon, 20 May 2013 13:39:26 -0700 The invention relates to an improved diaphragm securing mechanism in a sound wave generator system for an electric horn system that includes a monolithic rigid housing member having a receiving opening for fixably housing, in an non-removable and secure manner following assembly, a compressor member, thereby preventing unintended separation and... http://www.freshpatents.com/-dt20130516ptan20130121523.php Mon, 20 May 2013 13:39:26 -0700 Electric components and methods of manufacture are specified. An electric component comprises a carrier having a recess which penetrates the carrier and also a first chip and external contact area. The first chip is arranged in the recess in the carrier. The external contact area is provided for connecting up... http://www.freshpatents.com/-dt20130516ptan20130121524.php Mon, 20 May 2013 13:39:26 -0700 A headset structure is disclosed. The headset structure includes a microphone boom and an earphone housing. An elastic positioning structure is formed on an outer surface of the microphone boom, and the earphone housing has a gear-shaped notch adjusting structure for matching with the elastic positioning structure. In the present...