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Searching: audio signal





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Patent # Description
US-8,447,618 Method and apparatus for encoding and decoding residual signal
A residual signal decoding method including dividing a signal into a plurality of sub-bands in a frequency domain, wherein the signal is in a residual signal...
US-8,447,615 System and method for identifying and/or authenticating a source of received electronic data by digital signal...
A system and method for at least one of identifying and authenticating a source of received electronic data, the system comprising: an electronic device...
US-8,447,614 Method and system to authenticate a user and/or generate cryptographic data
System and process for audio authentication of an individual or speaker including a processor for decomposing an audio signal received at the sensor into...
US-8,447,601 Method and device for tracking background noise in communication system
A method and a device for tracking background noise in a communication system are provided. The method includes: calculating a SNR of a current frame according...
US-8,447,597 Audio encoding device, audio decoding device, audio encoding method, and audio decoding method
In an encoding process, a CPU transforms an audio signal from the real-time domain to the frequency domain, and transforms the signal into spectra consisting of...
US-8,447,591 Factorization of overlapping tranforms into two block transforms
An audio encoder/decoder uses a combination of an overlap windowing transform and block transform that have reversible implementations to provide a reversible,...
US-8,447,329 Method for spatially-accurate location of a device using audio-visual information
A system to determine positions of mobile computing devices and provide direction information includes a first mobile computing device configured to broadcast a...
US-8,447,251 Audio signal processing circuit
An audio signal processing circuit comprising: a modulation circuit configured to output a modulated signal of a frequency corresponding to an input audio...
US-8,447,226 Portable satellite earth station and methods of using the same
Various aspects of a portable satellite earth station to facilitate reception of satellite signals and to display audio and video corresponding to the satellite...
US-8,447,053 Flat speaker apparatus with heat dissipating structure and method for heat dissipation of flat speaker
A flat speaker apparatus including a driving circuit module, a flat speaker and a thermally conductive connector, and with a heat dissipating structure is...
US-8,447,050 Thermal feedback for switch mode amplification
A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital...
US-8,447,045 Multi-microphone active noise cancellation system
The present technology provides systems and methods for robust feedforward active noise cancellation which can overcome or substantially alleviate problems...
US-8,447,041 Audio output apparatus, audio output method, audio output system, and program for audio output processing
An electricity-to-sound converter reproduces a sound according to a first audio signal. A sound collector outputs a second audio signal. A first frequency band...
US-8,446,963 Method and system for synchronizing audio and video data signals
A system for synchronizing video data and audio data for an optical disc is disclosed. The system includes a demultiplexer, for splitting a data stream into...
US-8,446,909 Extension of audio/video bridging reservation protocol
An audio/vide bridging (AVB) system using an extended AVB reservation protocol, and a resource reservation method are provided where an AVB system using an...
US-8,446,846 Method of passing signal events through a voice over IP audio mixer device
In Voice-over-IP or like systems, audio mixers are used for implanting conferencing applications for IP networks. In such systems, a problem exists as how to...
US-8,446,469 Wireless microphone for use with an in-car video system
An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received...
US-D682,864 Display screen with graphical user interface
US-D682,854 Display screen for graphical user interface
US-RE44,231 Apparatus and method for processing audio signals recorded on a medium
This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-8,443,415 System and method of supporting transport and playback of signals
A method and system of supporting transport and playback of signals, such as audio, video, and data signals. A reference model configured to support transport...
US-8,443,405 Broadcasting service system using mobile communication terminal
According to an embodiment of the present Invention, an apparatus includes an audio video contents receiver configured to receive signals and information, a...
US-8,443,399 Digital broadcast receiver and digital broadcast transmitter
A digital broadcast transmitter includes a first de-multiplexing unit for separating video/audio data and real-time broadcast program information from a...
US-8,443,016 Method and apparatus for approximating an upper-bound limit for an absolute value of a complex number or norm...
A method for approximating an upper bound limit for the absolute value of a complex number or the norm of a two-element vector is disclosed. An upper bound...
US-8,442,837 Embedded speech and audio coding using a switchable model core
A method for processing an audio signal including classifying an input frame as either a speech frame or a generic audio frame, producing an encoded bitstream...
US-8,442,821 Multi-frame prediction for hybrid neural network/hidden Markov models
A method and system for multi-frame prediction in a hybrid neural network/hidden Markov model automatic speech recognition (ASR) system is disclosed. An audio...
US-8,442,819 Distortion-based method and apparatus for buffer control in a communication system
Methods and apparatus are disclosed for controlling a buffer in a communication system, such as a digital audio broadcasting (DAB) communication system. A more...
US-8,442,660 Intelligent electronic device having audible and visual interface
An intelligent electronic device having an audible and visual interface for providing audible and visual instructions to a user in an event of an alarm or...
US-8,442,596 Hearing assistive system with low power interface
A communications interface provides for communications between a wireless communication device and a hearing assistive device. The communications interface...
US-8,442,425 Satellite receiver performance enhancements
Long time interleaver and listenable audio performance enhancements for a satellite receiver are presented. One enhancement includes comparing a correlation and...
US-8,442,264 Control signals in streaming audio or video indicating a watermark
Methods and apparatuses for searching for a control signal in streaming video or streaming audio that indicates the presence of a watermark in the streaming...
US-8,442,262 Method and system to process a digital image
A method and an apparatus to process a digital image is provided. The method may comprise receiving host image data, receiving audio data and embedding the...
US-8,442,251 Adaptive feedback cancellation based on inserted and/or intrinsic characteristics and matched retrieval
An audio processing system processing an input sound to an output sound includes: an input transducer for converting input sound to an electric input signal and...
US-8,442,250 Hearing aid and method for controlling signal processing in a hearing aid
A hearing aid includes a signal path for receiving at least one audio input signal and an autocorrelation index (ACI) estimator (4). The ACI includes a...
US-8,442,249 Human body sound transmission apparatus and method for minimizing signal loss
A human body sound transmission apparatus and method for minimizing a signal loss are disclosed. The human body sound transmission apparatus includes: an audio...
US-8,442,246 Hearing aid device and hearing aid method
A hearing aid device includes a plurality of microphones which converts picked sound to audio signals, an inter-signal phase difference calculation unit which...
US-8,442,241 Audio signal processing for separating multiple source signals from at least one source signal
An audio signal processing device is provided whereby, from two systems of audio signals in which audio signals of multiple audio sources are included, the...
US-8,442,240 Sound processing apparatus, sound processing method, and sound processing program
A sound processing apparatus includes a power spectrum operation unit obtaining a power spectrum of an audio signal, an envelope component removal unit removing...
US-8,442,239 Audio system with balance setting based on information addresses
An audio system for a vehicle that includes a system for allowing an occupant of the vehicle to adjust a balance setting of each audio source (116). The audio...
US-8,442,237 Apparatus and method of reproducing virtual sound of two channels
A stereo sound generation apparatus and method of reproducing multi-channel sound input signals through two-channel speakers. The stereo sound generation...
US-8,442,198 Distributed multi-party conferencing system
Techniques for multi-party conferencing are provided. A plurality of audio streams is received from a plurality of conference-enabled devices associated with a...
US-8,442,019 Method and apparatus for avoiding wireless audio signal transmission interferences
In one aspect, in general, the invention features a method including a second wireless system determining a frequency of active operation of a first wireless...
US-8,441,576 Receiving device, delay-information transmitting method in receiving device, audio output device, and...
A television receiver computes a delay time of an image displayed on the television receiver with respect to an audio signal transmitted from the television...
US-8,439,818 Sleep inducing apparatus and electronic device using the same
An apparatus for inducing sleep includes an audio generator, a signal generator, and a signal processor. The audio generator generates audio signals. The signal...
US-8,439,757 Interactive entertainment devices interchangeably arrangable in adjacent manner
An entertainment device is configured to receive a limited range wireless signal from at least one other entertainment device when adjacently arranged in close...
US-8,438,999 Systems and methods for animal containment, training, and tracking
Systems for containing, training, and tracking pets utilize electronic pet tags or collars, including IR reception and two-way RF communication. An aimable IR...
US-D682,294 Display screen with graphical user interface
US-D682,293 Display screen with graphical user interface
US-8,438,237 Sharing of access to a storage device
A method and system for sharing access to a storage device. Two processing devices are connected to a storage device interface. The processing devices are...
US-8,438,036 Asynchronous sampling rate converter for audio applications
In recent years, it has become commonplace for portable devices to generate analog audio signals from numerous sources, meaning that the codecs employed in...
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