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Searching: audio signal





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Patent # Description
US-8,687,130 Remote controller, and system and method for remotely controlling digital television
A remote controller (100) and a system and method for remotely controlling a digital TV are disclosed. A memory card (110) is mounted in the remote controller...
US-8,687,118 Repeater being utilized between a source and sink device for lip-syncing in an HDMI system
A repeater is to be provided between a source device and a sink device and be used in a Lip-sync correction system that transmits a video signal and an audio...
US-8,687,090 Method of removing audio noise and image capturing apparatus including the same
A method of removing an audio noise and an image capturing apparatus providing the same includes storing a specified audio signal included in a captured image...
US-8,686,792 Amplifying device
A supply voltage controller 11 includes a simplified envelope creating unit 111 that calculates an envelope of an input audio signal according to an input audio...
US-8,686,789 Transient signal suppression for a class-D audio amplifier arrangement
A Class-D amplifier arrangement is disclosed that implements an auxiliary feedback loop and a primary feedback loop. The auxiliary feedback loop operates upon...
US-8,683,601 Audio/video identification watermarking
The invention is directed to marking audio/video (A/V) signals for use in tracing content to a source. An ID controller captures an A/V synchronization...
US-8,683,504 Methods and apparatus to monitor audio/visual content from various sources
Methods and apparatus to monitor audio/visual content from various sources are disclosed. An example method disclosed herein comprises determining first...
US-8,682,678 Automatic realtime speech impairment correction
Automatic correcting of user's speech impairment in speech may include obtaining the audio signal of a given user's speech, and analyzing the obtained audio...
US-8,682,664 Method and device for audio signal classification using tonal characteristic parameters and spectral tilt...
The present invention discloses a method and a device for audio signal classification, and relates to the field of communications technologies, which solve a...
US-8,682,662 Method and apparatus for voice activity determination
In accordance with an example embodiment of the invention, there is provided an apparatus for detecting voice activity in an audio signal. The apparatus...
US-8,682,659 Geotagged environmental audio for enhanced speech recognition accuracy
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for enhancing speech recognition accuracy. In one aspect, a...
US-8,682,658 Audio equipment including means for de-noising a speech signal by fractional delay filtering, in particular for...
The equipment comprises two microphones, sampling means, and de-noising means. The de-noising means are non-frequency noise reduction means comprising a...
US-8,682,652 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
An audio encoder, an audio decoder or an audio processor includes a filter for generating a filtered audio signal, the filter having a variable warping...
US-8,682,651 Audio visual signature, method of deriving a signature, and method of comparing audio-visual data
The invention relates to the analysis of characteristics of audio and/or video signals for the generation of audio-visual content signatures. To determine an...
US-8,682,461 Audio signal processing system
Region having a same size in a audio signal region of a transmission frame is allocated to each of an active engine and passive engine. The active engine reads...
US-8,682,448 EMF probe configurations for electro-modulation of ionic channels of cells and methods of use thereof
A system for pattern recognition of cell and tissue malfunction and for treatment of such malfunction is presented. When a malfunction is recognized by a search...
US-8,682,250 Noise cancellation system
A noise cancellation system for an audio system such as a mobile phone handset, or a wireless phone headset has a first input for receiving a first audio signal...
US-8,682,244 Underwater communication system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,682,144 Method for synchronizing multiple audio signals
Provided are methods for synchronizing multiple video recordings of the same event using audio signals of the recordings. An algorithm is designed to generate...
US-8,682,132 Method and device for detecting music segment, and method and device for recording data
[Problem] The present invention provides a method of detecting a music scene with a high accuracy from a television broadcast. [Means for solution] The...
US-8,682,014 Audio device with a voice coil channel and a separately amplified telecoil channel
A portable audio device has a voice coil audio signal processor in which a desired audio content signal is combined with an anti-noise signal produced by an...
US-8,682,011 Method for switching a hearing device between two operating states and hearing device
Switching a hearing device from a first operating state into a second operating state is to be configured in an acoustically-friendly fashion. A first output...
US-8,682,002 Systems and methods for transducer calibration and tuning
Audio transducers (headphones, speakers, microphones) inherently do not accurately reproduce the signal presented to them at the input. This can be compensated...
US-8,681,998 Volume correction device, volume correction method, volume correction program, and electronic equipment
A volume correction device includes: a variable gain means for controlling a gain, given to an input audio signal, according to a gain control signal; a...
US-8,681,997 Adaptive beamforming for audio and data applications
A system and method for performing efficient directed sound and/or data to a user utilizing position information. Various aspects may, for example, comprise...
US-8,681,980 Recoverable digital content degradation
The disclosure relates generally to processing audio and video signals. One claim recites an apparatus comprising: electronic memory for storing a media signal,...
US-8,681,278 System, method and apparatus for volume control
An application for a system for controlling speaker volume of externally amplified speakers connected to a television includes a television with one or more...
US-8,681,276 Signal transmitter and signal receiver
In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a...
US-8,681,203 Automatic mute control for video conferencing
In one example, a device executes one or more video communication processes that receive audio streams and video streams from a plurality of computing devices...
US-8,680,385 System and method for controlling a digital audio source
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and...
US-8,677,389 Media usage monitoring and measurement system and method
Media monitoring and measurement systems and methods are disclosed. Some embodiments of the present invention provide a media measurement system and method that...
US-8,676,584 Method for time scaling of a sequence of input signal values
The invention relates to a digital signal processing technique that changes the length of an audio signal and, thus, effectively its play-out speed. This is...
US-8,676,571 Audio signal processing system and audio signal processing method
An audio signal processing system including a time-frequency conversion unit which converts an audio signal in time domain into frequency domain in frame units...
US-8,676,570 Methods, apparatus and articles of manufacture to perform audio watermark decoding
Example methods, apparatus and articles of manufacture to perform audio watermark decoding are disclosed. A disclosed example method includes receiving an audio...
US-8,676,569 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal...
An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and...
US-8,676,365 Pre-echo attenuation in a digital audio signal
A method is provided for attenuating pre-echoes in a digital audio signal generated from a transform encoding, comprising, upon decoding and for a current frame...
US-8,676,364 Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the...
For synchronizing multichannel extension data with an audio signal, wherein the audio signal includes block division information and the multichannel extension...
US-8,676,363 Information processing apparatus, audio signal processing method, and program product
An information processing apparatus includes a communication unit, an incoming data determining unit, and an audio processing command generator. The...
US-8,676,361 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
Techniques and systems for enhancing delivered audio signals are disclosed which may be employed in a delivery system at a server side, a client side, or both....
US-8,676,114 Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest
A method for specifying content of interest using a digital radio broadcast receiver is described. A digital radio broadcast signal includes first audio content...
US-8,675,899 Front surround system and method for processing signal using speaker array
A front surround sound reproduction system which improves the performance of beam steering by using a speaker array arranged geometrically on two or more planes...
US-8,675,896 Apparatus and method for audio signal processing in dual standby mobile communication terminal
An apparatus and method for processing an audio signal in a dual standby mobile communication terminal are provided. The apparatus includes a first modem for...
US-8,675,894 Audio console system
An audio console system includes an input for receiving an audio signal. The system may also include a user adjustable input amplifier which may amplify audio...
US-8,675,893 Electronic apparatus
According to one embodiment, an electronic apparatus includes a speaker, a terminal, an amplifier, a power supply circuit, and a first controller. The terminal...
US-8,675,892 Spectral management system
A spectral management system may be used in an audio system to receive and process audio signals having multiple distributed audio channels, such as a right,...
US-8,675,891 Power supply unit with noise reduction capability
Embodiments of the present invention provide a power supply unit capable of achieving noise reduction while maintaining efficiency under the light load state. A...
US-8,675,887 Wireless illuminative speaker system and wireless illuminative speaker thereof
A wireless illuminative speaker system, comprising a wireless transmitter comprising a transmitter body, a wireless transmit module, a main board printed board...
US-8,675,881 Estimation of synthetic audio prototypes
An approach to forming output signals both permits flexible and temporally and/or frequency local processing of input signals while limiting or mitigating...
US-8,675,837 Method and apparatus for the secure storage of audio signals
In one embodiment, a method, system and apparatus for recording audio is provided so that the recording can be authenticated. The system may be implemented as a...
US-8,675,821 Network audio testing system and network audio testing method thereof
A network audio testing system and a network audio testing method thereof for testing the performance of a network communication system during communication are...
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