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Searching: audio signal





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Patent # Description
US-7,593,576 Systems and methods of managing audio and other media
The present invention relates generally to fingerprinting (e.g., deriving identifying data from audio or other media content). One claim recites a method...
US-7,593,536 Multimedia audio dock
A multimedia audio dock is provided to support a portable electronic device so that the portable electronic device can stand on a plane. The multimedia audio...
US-7,593,535 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer
Neural networks provide efficient, robust and precise filtering techniques for compensating linear and non-linear distortion of an audio transducer such as a...
US-7,593,533 Sound system and method of sound reproduction
A sound reproduction system comprises a left and right speakers located in close proximity, and a sound processor which provides audio signals to the pair of...
US-7,593,529 Scramble methods and apparatus for packetized digital video signal in conditional access system
A conditional access scrambling or encryption technique for a packetized digital data stream, e.g., a MPEG-2 bitstream, (1) by scrambling or encrypting the data...
US-7,593,335 Rate based congestion control for packet networks
The invention herein described consists of a method to compute in a end-to-end fashion the sending rate of data, audio and video flows over a packet switching...
US-7,593,061 Method and apparatus for measuring and/or correcting audio/visual synchronization
A method and apparatus for measuring and/or correcting audio/visual synchronization is disclosed. In one embodiment, a method for providing synchronization of a...
US-7,593,032 System and method for a conference server architecture for low delay and distributed conferencing applications
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less...
US-7,592,900 Transporter motor alarm
An audio alarm for a transporter having an electric motor. The alarm has a signal generator for generating a signal within the audible frequency range and a...
US-7,592,719 Protection of A/V components
An electrical connection box for wall mounting provides a recessed external plug for receiving or transmitting power to electronic components. The connection box...
US-7,592,548 Security cable, a method for making the same and a method for securing an electronic device
A security cable for electrically connecting an electrical device, such as, for example, a digital camera, a cam-corder, digital audio player, or like device are...
US-7,592,533 Audio loop timing based on audio event information
An audio looping method and system that stores a segment of an audio signal and plays back the stored segment in a repeated loop. The beginning and the end of...
US-7,590,692 Conferencing architecture employing media servers and enhanced session initiation protocol
A conferencing system that can access advanced conferencing features while following essentially the same call flow as conventional conferencing systems. The...
US-7,590,531 Robust decoder
Techniques and tools related to delayed or lost coded audio information are described. For example, a concealment technique for one or more missing frames is...
US-7,590,460 Audio signal processor
An audio signal processor is composed of a data path unit, a mode register and a state machine unit. The data path unit applies one or more arithmetical...
US-7,590,259 Deriving attributes from images, audio or video to obtain metadata
The present invention relates generally to obtaining metadata associated with images, audio and video. Once claim recites a method including: obtaining data...
US-7,590,251 Clip detection in PWM amplifier
Systems and methods for detecting clipping conditions in an audio signal and processing the signal to reduce the clipping conditions. In one embodiment, a system...
US-7,590,250 Analog audio signal enhancement system using a noise suppression algorithm
One preferred embodiment of the present invention provides systems and methods for removing noise from an input analog signal in continues time. Briefly...
US-7,590,249 Object-based three-dimensional audio system and method of controlling the same
An object-based 3-D audio system. An audio input unit receives object-based sound sources. An audio editing/producing unit converts the sound sources into 3-D...
US-7,590,241 Receiver and receiving method
When a channel which is not scrambled is selected, an error occurs in a digital stream processed in a CA processing module, which causes noises to occur in video...
US-7,589,792 Broadcasting signal receiving system including viewing improvement control part
A broadcasting signal receiving system includes: an obtaining part for obtaining program information of a receiving program; a broadcasting signal receiving part...
US-7,589,631 Adaptive audio signals in portable communications devices
A method for adapting a characteristic of an audible signal produced by a portable communication device includes obtaining a measure of the normal conditions in...
US-7,587,602 Methods and devices responsive to ambient audio
A portable device uses a microphone to listen to ambient audio, derives data from captured audio signals, and uses the derived data to request delivery of the...
US-7,587,534 KVM switch system capable of wirelessly transmitting keyboard-mouse data and receiving video/audio driving command
A control management system for controlling electrical devices is disclosed. The control management system comprises a plurality of electrical devices, and a...
US-7,587,469 Audio instructions for appliances
A communications network, system, and method includes a server; a primary device in communication with the server through a communications channel, wherein the...
US-7,587,318 Correlating video images of lip movements with audio signals to improve speech recognition
A speech recognition device can include an audio signal receiver configured to receive audio signals from a speech source, a video signal receiver configured to...
US-7,587,311 Device and method for embedding binary payload in a carrier signal
For embedding binary payload in a carrier signal, which, for example, is an audio signal, a sequence of time-discrete values of the carrier signal is converted...
US-7,587,289 Data cable powered sensor fixture
A sensor fixture can be affixed within a wall and powered using the same cable along which data signals are transmitted. A data cable is attached to the fixture,...
US-7,587,254 Dynamic range control and equalization of digital audio using warped processing
This invention describes a method for adjusting the loudness and the spectral content of digital audio signals in a real-time using warped spectral filtering. A...
US-7,587,227 Directional wireless communication systems
A wireless communication system based on a directional speaker is disclosed. The system can include an interface unit and a base unit. The audio signals from the...
US-7,587,223 Terminal for mobile phone and method for controlling the synchronism of terminal for mobile phone
In a mobile phone terminal, in which a sound, such as the audio, may be synchronized with a moving picture even in case a sound processor unit processing the...
US-7,587,167 Integrated digital radio module
An audio entertainment system having a primary circuit board with a processor in communication with an antenna input, an audio output and a connector. The...
US-7,587,131 Audio clocking in video applications
A method of operating an electronic video device such as a DVD player, wherein video clock signals and audio clock signals are derived from a system clock signal...
US-7,587,054 Audio system based on at least second-order eigenbeams
A microphone array-based audio system that supports representations of auditory scenes using second-order (or higher) harmonic expansions based on the audio...
US-7,587,053 Audio-based position tracking
Embodiments of the present invention provide an audio-based position tracking system. The position tracking systems comprises one or more speakers, an array of...
US-7,587,043 Seals for communication devices and method for assembling communication device
A seal (200) in a communication device (100) and a method (600) for assembling the communication device are disclosed. A transducer (402) is positioned on a...
US-7,586,544 Method and apparatus for testing lip-sync of digital television receiver
A lip synchronization test method for DTV receivers. The method includes the steps of: generating a digital audio stream having a frame index inserted therein...
US-7,586,517 Image pickup apparatus
An image pickup apparatus includes an image processing unit for extracting an image parameter indicating a change in shooting condition from an image signal...
US-7,585,252 Personal training device using multi-dimensional spatial audio
A personal training device is provided for a participant of pace-based physical training. The device includes an input for receiving an input signal indicative...
US-7,584,098 Vocabulary-independent search of spontaneous speech
A method of identifying a location of a query string in an audio signal is provided. Under the method, a segment of the audio signal is selected. A score for a...
US-7,584,009 Multi-chip PWM synchronization and communication
Systems and methods for synchronizing multiple digital audio controller chips, wherein one of the chips is designated as a master and the other chips are...
US-7,583,929 Mobile communication terminal, channel information providing module, method of automatically accessing to DMB,...
Disclosed is a mobile communication terminal automatically accessing to DMB, including: a broadcast receiving unit that receives and demodulates a DMB signal,...
US-7,583,805 Late reverberation-based synthesis of auditory scenes
A scheme for stereo and multi-channel synthesis of inter-channel correlation (ICC) (normalized cross-correlation) cues for parametric stereo and multi-channel...
US-7,583,804 Music information encoding/decoding device and method
In an audio-information encoding apparatus, in order to encode an audio signal containing a white-noise component, an index iL indicating the energy level of the...
US-7,583,695 Hardware arrangement, terminal, and method for transferring audio signal in packet-switched communications network
The invention relates to a protocol converter (14) and a method utilizing the converter, enabling a wireless connection (13) between a cellular network (11) and...
US-7,583,626 Multiplex switching scheme for communications network
An earth station interface architecture provides full mesh connectivity for a relatively small number of network stations. A component of the architecture is a...
US-7,583,122 Receiver of digital signals having a variable hysteresis, in particular for audio digital application
Embodiments of the invention relate to a signal receiver inserted between a first and a second voltage reference and having a first and a second input terminal...
US-RE40,897 Constant current line circuit with class features
A line circuit utilizing a differential amplifier whose output is regulated to zero volts D.C. (when the subscriber's set is off-hook) by a negative feedback...
US-7,581,239 Video on demand DVD system
An apparatus comprising a drive server, a control server and one or more decoder devices. The drive server may be configured to present one or more DVD data...
US-7,580,833 Constant pitch variable speed audio decoding
A digital audio signal can be processed to have a constant pitch for a range of playback rates. A playback rate associated with a portion of the digital audio...
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