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Searching: audio signal





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Patent # Description
US-8,848,925 Method, apparatus and computer program product for audio coding
The invention relates to a method and an apparatus in which samples of at least a part of an audio signal of a first channel and a part of an audio signal of a...
US-8,848,881 Method and apparatus for telephonically accessing and navigating the internet
A method for accessing and browsing the interne through the use of a telephone and the associated DTMF signals is disclosed. The preferred embodiment provides a...
US-8,848,825 Echo cancellation in wireless inband signaling modem
An inband signaling modem receives digital user data for transmission to a remote location, via wireless and land line telecommunication networks. The modem...
US-8,848,025 Flow-control based switched group video chat and real-time interactive broadcast
Real-time interactive broadcast sessions for client devices include: for each client device in the interactive broadcast session, configuring downstream video...
US-8,847,779 Speaker enclosure design for efficiently generating an audible alert signal
Various inventive features are disclosed for efficiently generating regulation-compliant audible alerts, including but not limited to 520 Hz square wave...
US-8,847,682 Attenuating noise and cross-talk in an audio system by offsetting outputs in phase
An amplifier may include two or more pulse-width modulators (PWMs) controlling respective sets of switches to produce an amplified version of a source signal....
US-8,847,056 Vocal processing with accompaniment music input
Systems, including methods and apparatus, for generating audio effects based on accompaniment audio produced by live or pre-recorded accompaniment instruments,...
US-8,843,642 Gesturing to select and configure device communication
Described is a technology by which a gesture made with a source device (e.g., a cellular telephone), such as a throwing or pointing motion, is used to...
US-8,843,458 Method and arrangement for automatically searching information sources accessible through a data network
A method for automatically searching at least one information source accessible through a data network for contents that satisfy predefined criteria, which...
US-8,843,380 Method and apparatus for encoding residual signals and method and apparatus for decoding residual signals
Encoding and decoding of residual signals are provided. In a method of encoding a residual signal of an audio signal, the residual signal is divided into a...
US-8,843,364 Language informed source separation
Methods and systems for non-negative hidden Markov modeling of signals are described. For example, techniques disclosed herein may be applied to signals emitted...
US-8,843,312 Routing drivers to trailers effectively
A method and apparatus for locating a specific asset using navigation technology or specific signaling capabilities. This system improves a driver's...
US-8,843,227 Wireless cellular telephone with audio codec
A wireless cellular telephone with an audio codec for converting digital audio signals to analog audio signals. The audio codec comprises two digital audio bus...
US-8,843,223 Test system with digital calibration generator
The present invention relates to calibration of a computerized test system (20) for testing digital audio devices (30) through a data communication interface....
US-8,843,173 Portable device and method for providing voice recognition service
A portable device and a method for providing a voice recognition service are disclosed. The portable device includes a mechanical vibration sensor configured to...
US-8,843,068 Supervisory headset mobile communication system
A supervisory mobile communication headset system comprises of a first mobile communication device and a mobile headset, each having an RF transceiver used to...
US-8,842,979 Multimedia reproduction device and disc player
A multimedia reproduction device including: a drive module that is configured to drive a storage medium and that includes a front-end part that processes data...
US-8,842,964 Audio and/or video generation apparatus and method of generating audio and/or video signals
An audio and/or video generation apparatus which is arranged in operation to generate audio and/or video signals representative of an audio and/or video source,...
US-8,842,870 Audio apparatus
Audio apparatus comprising a housing and a piezoelectric transducer (12) mounted in the housing (10) so that the transducer is adjacent a user's pinna whereby...
US-8,842,861 Method of signal processing in a hearing aid system and a hearing aid system
A method of processing signals in a hearing aid system (200, 300) comprises the steps of transforming two audio signals to the time-frequency domain,...
US-8,842,852 Audio dynamics processing control system with exponential release response
An input audio signal is detected to provide a fast time constant control signal which is clamped for immediate response when the input signal drops below a...
US-8,842,851 Audio source localization system and method
Systems and methods are described that perform audio source localization in a manner that provides increased robustness and responsiveness in the presence of...
US-8,842,848 Multi-modal audio system with automatic usage mode detection and configuration capability
An audio system that may be used in multiple modes or use scenarios, while still providing a user with a desirable level of audio quality and comfort. The...
US-8,842,847 System for simulating sound engineering effects
The invention provides an audio signal processing system for simulating sound engineering effects. The audio signal processing system may simulate, emulate or...
US-8,842,845 Adaptive bass management
The invention relates to a method for adapting sound pressure levels in at least one listening location, the sound pressure being generated by a first and a...
US-8,842,844 Segmenting audio signals into auditory events
In one aspect, the invention divides an audio signal into auditory events, each of which tends to be perceived as separate and distinct, by calculating the...
US-8,842,843 Signal correction apparatus equipped with correction function estimation unit
A signal correction apparatus receives an input audio signal (serving as a first sound reception means). The signal correction apparatus computes, at every...
US-8,842,738 Signal processing method and apparatus based on multiple textures using video audio excitation signals
Disclosed herein is a signal processing apparatus and method based on multiple textures using video audio excitation signals. For this, an input signal that...
US-8,842,218 Video/audio data output device and method
A video/audio data output device includes a demultiplexing section, a video decoder that generates video data by decoding the video stream signal, an audio...
US-8,842,198 Audio signal processing device, audio signal processing method, and program
An audio signal processing device includes a first microphone configured to pick up audio and output a first audio signal; a second microphone configured to...
US-8,842,177 Speaker detection and tracking using audiovisual data
Object tracking includes an audio model that receives at least two audio input signals and a video model that receives a video input. The audio model and the...
US-8,842,151 Security monitoring system with flexible monitoring sequence
In conjunction with the dial-up public telephone system, voice quality lines carry videophone signals for monitoring a multitude of locations from at least one...
US-8,841,966 Sound output device using vacuum tube, audio apparatus and method for sound output thereof
A sound output device is provided. The sound output device includes a vacuum tube for amplifying an audio signal; a power supply that supplies power to the...
US-8,841,894 Pulse-width modulated (PWM) audio power amplifier with output transition slope control
An audio switching power amplifier having an output with controlled-slope transitions maintains efficiency while avoiding uncontrolled non-overlap intervals...
US-8,841,738 MEMS microphone system for harsh environments
A MEMS microphone system suited for harsh environments. The system uses an integrated circuit package. A first, solid metal lid covers one face of a ceramic...
US-8,840,654 Cochlear implant using optical stimulation with encoded information designed to limit heating effects
Method and apparatus for optically stimulating neurons of a plurality of auditory nerve pathways of a person to provide auditory sensations for the person by...
US-8,840,540 Adaptive cancellation system for implantable hearing instruments
The invention is directed to an implanted microphone having reduced sensitivity to vibration. In this regard, the microphone differentiates between the...
US-8,840,017 Power management circuitry in peripheral accessories of audio devices
A power management circuitry for a peripheral electronic device includes a power regeneration circuitry, a power selector, a power switch and an audio signal...
US-RE45,157 Voice activated portable audio/video request, play and record system
An audio/video control device for providing audio and/or video signals to a user. The audio/video control device includes a base unit and a portable unit. The...
US-RE45,155 Method and apparatus for configuring communication apparatus in accordance with communication services and...
Information can be communicated to or from an electronic device in accordance with a plurality of protocols to provide a plurality of services for the user. The...
US-8,839,341 Externally powered radio frequency modulator
An apparatus for enabling display of composite audio and video (AV) signals on a television set with a coaxial input connector is disclosed. The apparatus...
US-8,839,283 Blocking television commercials and providing an archive interrogation program
An apparatus and method is disclosed for blocking specific television commercials from the viewer's television based upon the characteristics of the television...
US-8,838,460 Apparatus for playing and producing realistic object audio
Disclosed is an apparatus for playing and producing realistic object audio. The apparatus for playing realistic object audio includes: a deformatter unit...
US-8,838,452 Effective audio segmentation and classification
A method (400) and system (200) for classifying a audio signal are described. The method (400) operates by first receiving a sequence of audio frame feature...
US-8,838,441 Time warped modified transform coding of audio signals
A representation of an audio signal having a first, a second and a third frame is derived by estimating first warp information for the first and second frames...
US-8,838,262 Synchronization and switch over methods and systems for an adaptive audio system
Embodiments are described for a synchronization and switchover mechanism for an adaptive audio system in which multi-channel (e.g., surround sound) audio is...
US-8,838,189 Customized audio/antenna module and method for making the same
The present invention relates to a method for assembling a self-contained audio/antenna module for a portable communication device, the method comprising the...
US-8,838,183 Mobile digital communication/computing device having a context sensitive audio system
A mobile client device, such as a wireless mobile or a palm sized personal digital assistant, is provided with at least a first and second audio resources and...
US-8,838,181 Communication device for automatically switching its communication modes and operating method thereof
The invention provides a communication device for automatically switching its communication modes and an operating method thereof. The communication device...
US-8,838,052 System and method for providing automatic tuning of a radio receiver and for providing automatic control of a...
A sound system with a radio receiver having the ability to automatically tune to a new radio station if (a) the current radio station is broadcasting a song,...
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