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Searching: audio signal





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Patent # Description
US-7,809,146 Audio signal separation device and method thereof
Problems of permutation can be solved with high accuracy without utilizing knowledge about original signals or information concerning positions of microphones...
US-7,809,144 Audio input-output module, plug-in detection module and methods for use therewith
A plug-in detection module includes an impedance network for producing a plug-in signal in response to a supply signal that varies when one of a plurality of...
US-7,809,129 Acoustic echo cancellation based on noise environment
A method (200) of cancelling echo in a duplex communication device (100). The method can include detecting a level of noise present on an uplink signal path...
US-7,808,969 Voice over internet protocol (VoIP) ready computer system and method
A VoIP ready computer system includes a housing having an integrated audio communications device holder adapted to receive an audio communications device. The...
US-7,808,962 Communication of audio control signals for wireless audio headphones
A wireless audio headphone communication system has an audio input for receiving an audio signal from an audio source. A wireless transceiver receives and...
US-7,808,936 Systems and methods for facsimile echo cancellation
The present invention is related to methods and systems for reducing or canceling echoes during fax communications. In an embodiment, during a fax call, a first...
US-7,808,324 Operating environment and process position selected charge-pump operating mode in an audio power amplifier...
A charge pump power supply for an audio power amplifier integrated circuit has an operating mode selected according to an indication of operating environment...
US-7,806,833 Systems and methods for analysis and display of heart sounds
An auscultation system aids a clinician's diagnosis of the heart sounds by visually displaying at least an S1 heart sound and an S2 heart sound, and ascertaining...
US-7,806,371 Remote control model aircraft with laser tag shooting action
The present invention is a radio-controlled (RC) model aircraft system with laser tag capabilities. A transmitter and receiver are each installed in at least two...
US-7,805,500 Network linking methods and apparatus
Some portions of the present disclosure relate to processing audio signals for network linking. One claim recites an apparatus including: electronic memory for...
US-7,805,477 Computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC audio decoding algorithm on programmable...
The present invention relates to computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC algorithm efficiently, which is used as an audio...
US-7,805,313 Frequency-based coding of channels in parametric multi-channel coding systems
For a multi-channel audio signal, parametric coding is applied to different subsets of audio input channels for different frequency regions. For example, for a...
US-7,805,297 Classification-based frame loss concealment for audio signals
A system and method for performing frame loss concealment (FLC) when portions of a bit stream representing an audio signal are lost within the context of a...
US-7,805,292 Method and apparatus for audio transcoding
An apparatus for transcoding an audio signal between a CELP-based coder and a hybrid coder includes a source bitstream unwrapper configured to receive a source...
US-7,805,210 Synchronizing multi-channel speakers over a network
A server is arranged to distribute at least one stream of audio data corresponding to an audio signal to two or more speakers across a network. Each speaker...
US-7,805,135 Wall mounted docking station
A multi-zone audio system is provided that is portable to a handheld audio device at a plurality of locations. The system includes a multi-zone audio system...
US-7,804,974 Hearing aid and a method of processing signals
A hearing aid (30) includes a microphone (71), a signal processor (20) and an output transducer (22), and the signal processor (20) includes a set of audio...
US-7,804,967 Circuit for preventing output of pop noise
Disclosed is a circuit for preventing an output of a pop noise, which occurs from an audio amplifier when a power switch of an electronic device loading the...
US-7,804,966 Audio amplifier attachable to speaker system by way of magnetic coupler and method therefor
An audio amplifier and speaker system are stacked and magnetically coupled together. The audio amplifier is coupled for receiving an audio signal. A first...
US-7,804,836 Processing encoded real-time data
A processing device and method for processing packets of encoded real-time data to perform a gradual fade-out and fade-in of a signal. Upon detecting the...
US-7,804,494 Pointing device with integrated audio input and associated methods
A mobile personal digital assistant (PDA) allows a user to enter information using both a touch screen and voice commands with a stylus. The stylus includes a...
US-7,802,310 Controlling access to data in a data processing system
Access to and delivery of licensed content is controlled using content names that were determined based on the content. A name for a data item is obtained, the...
US-7,802,284 Method for transmitting and receiving audio in Mosaic EPG service
Disclosed is a method for transmitting and receiving audio in a Mosaic electronic program guide (EPG) service. A digital broadcast transmitting side mixes stereo...
US-7,801,943 Cataloging audio content
A method, apparatus, and signal-bearing medium that monitors users' audio choices within a network and presents a sorted list of the most recent or most frequent...
US-7,801,732 Audio codec system and audio signal encoding method using the same
An audio codec system and an encoding method using the same are provided. According to the method, encoding and decoding processes are repeatedly performed so as...
US-7,801,559 Methods and apparatus for baseband digital spectrum translation (BDST)
A method for transmitting and receiving digitally modulated wireless signals using an analog FM transceiver is provided. The analog FM transceiver has a transmit...
US-7,801,319 Methods and apparatus for processing audio signals
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a...
US-7,801,317 Apparatus and method of reproducing wide stereo sound
An apparatus and a method of reproducing a wide stereo sound by widening a stereo sound output by an audio reproducing apparatus using only two closely disposed...
US-7,801,315 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;...
US-7,801,314 Audio signal processing apparatus
In an audio signal encoding apparatus, a first audio signal and a second audio signal are added into an addition-result signal. The first audio signal is...
US-7,801,313 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...
US-7,801,312 Audio signal processing circuit
An audio signal processing circuit for an audio reproduction apparatus at least having sound source located substantially at left and right sides to a listener,...
US-7,801,311 Radio receiver with stereo decoder and method for use therewith
A stereo decoder includes a first digital filter for producing a first filtered composite audio signal and a second digital filter for producing a second...
US-7,800,484 Car safety device
A vehicle safety device has a cabin unit which includes a cabin unit housing holding a keypad, a speaker, a cpu, and a transmitter. The speaker provides an audio...
US-7,800,435 Audio filter using a diode connected MOSFET
A diode connected P-type CMOS transistor is operated in the sub-threshold area and, with a bypass capacitor, operates as a low pass audio filter. The equivalent...
US-7,799,986 Stringed instrument for connection to a computer to implement DSP modeling
Disclosed is a stringed instrument that includes a plurality of strings and a pickup to which each of the plurality of strings is respectively coupled that is...
US-7,797,718 Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
US-7,797,711 Graphical user interface for a device having multiple input and output nodes
A graphical user interface (GUI) is described. The GUI includes first GUI elements that provide a visual representation of the nodes of an audio/video device. In...
US-7,797,317 Information recording apparatus and method, and information recording system
In recording information, meta data defined in SMPTE 298M and 335M, buried in video and audio material signals to be recorded to a magnetic tape (30) are...
US-7,797,162 Audio encoding device and audio encoding method
There is provided an audio encoding device capable of generating an appropriate monaural signal from a stereo signal while suppressing the lowering of encoding...
US-7,797,156 Speech analyzing system with adaptive noise codebook
Presented herein are systems and methods for generating an adaptive noise codebook for use with electronic speech systems. The noise codebook includes a...
US-7,797,155 System and method for measurement of perceivable quantization noise in perceptual audio coders
A technique for computing perceptual noise in an audio signal that is computationally efficient. In one example embodiment, the technique includes computing...
US-7,797,065 Automute detection in digital audio amplifiers
A digital audio processor for a digital audio receiver having an improved automute sequence is disclosed. The digital audio processor includes automute detection...
US-7,797,051 Method, device and computer program for generating a control signal for a cochlear implant, based on an audio...
A method of generating a control signal for a cochlear implant based on an audio signal includes calculating first information on an activity pattern over time...
US-7,796,947 Display system and FM signal transferring method thereof
Provided is a display system for transmitting FM signals to an external audio system having an FM reception function. The display system includes: a tuner for...
US-7,796,770 Hearing aid with frequency channels
The invention regards a method for sound processing in an audio device wherein an audio signal is provided and the audio signal is frequency shaped according to...
US-7,796,769 Methods and apparatus for processing audio signals
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a...
US-7,796,766 Audio center channel phantomizer
The invention relates to a method of processing an input signal into a phantomized signal, including adding at least one attenuated delayed signal to the input...
US-7,796,765 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,796,583 Packet handler for high-speed data networks
An improved packet handler for VoIP cable modems and other high-speed digital devices includes a direct communication link via hardware among internal processing...
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