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Searching: audio signal





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Patent # Description
US-7,676,844 Signal reproducing system
Based on user identification data transmitted together with a compressed data from a portable reproducing apparatus, if an apparatus recognizes that a user who...
US-7,676,821 Method and related system for detecting advertising sections of video signal by integrating results based on...
Method and related system for detecting advertising sections of video signal. The invention is capable of integrating detecting results based on different...
US-7,676,360 Method for scale-factor estimation in an audio encoder
A method, system and computer program product for computationally efficient estimation of the scale factors of one or more frequency bands in an encoder. These...
US-7,676,290 Method for remotely evaluating the audio quality of an IP terminal and corresponding terminal
The present invention concerns a method for remotely evaluating and/or checking the audio quality of an Internet Protocol based voice communication terminal and...
US-7,676,250 Method for controlling audio signals to an FM transmitter and a loudspeaker of a hands-free adapter
A method (200) for controlling audio signals to an FM transmitter and a loudspeaker of a hands-free adapter first sends a first audio signal to the loudspeaker...
US-7,676,060 Distributed content identification
A method of identifying content in a distributed computing system. The method receives an image or audio signal in a first device in the distributed computing...
US-7,676,049 Reconfigurable audio-video surround sound receiver (AVR) and method
A reconfigurable audio-video surround sound receiver (AVR) and method provide flexible surround speaker placement and a low cost simulated surround sound...
US-7,676,047 Electroacoustical transducing with low frequency augmenting devices
A method for processing a multichannel audio signal. The method includes mounting electroacoustical transducers in a low frequency augmenting device. The...
US-7,676,044 Multi-speaker audio system and automatic control method
A sound produced at the location of a listener is captured by a microphone in each of a plurality of speaker devices. A sever apparatus receives an audio signal...
US-7,676,043 Audio bandwidth expansion
Bandwidth expansion for audio signals by frequency band translations plus adaptive gains to create higher frequencies; use of a common channel for both stereo...
US-7,675,977 Method and apparatus for processing audio signal
Apparatus and methods for processing a signal are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance...
US-7,675,577 Device and method for automatically changing broadcast channel of vehicle television with diversity antenna
A device and method for automatically changing a broadcast channel of a vehicle television with a diversity antenna is provided. The device includes an antenna...
US-7,675,423 Mass occupant emergency notification system using satellite radio downlink
A mass occupant notification (MON) system includes an alert source, a first communication network, a MON supervisory system, a second communication network, a...
US-7,674,991 Pedal assemblies and methods for signal control
Pedal assemblies and methods provide for signal control, such as for controlling audio and/or effects path signals used in generating audio from a musical...
US-7,674,195 Motivational baseball glove
A baseball glove with integrated illumination means and circuitry that can control the pattern and timing of the illumination means to produce a lightshow. The...
US-7,673,907 Musical ice skates
An electronic music device for skaters is boot mounted and includes a sensor sensing skate states capturing forward backward direction of motion and inside...
US-7,673,339 Information processing apparatus, information processing method, information processing system and recording medium
A member-store functional unit transfers the name of a member store and the title of a campaign to an ID-assigning functional unit which assigns IDs to the title...
US-7,673,321 Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded...
US-7,673,156 Multimedia electronic device
An SCP (System Control Processor) 7 is provided in addition to a CPU 1 responsible for control of circuits in a computer. Upon receiving a Main ON signal (low...
US-7,672,843 Audio signature extraction and correlation
A signature is extracted from the audio of a program received by a tunable receiver such that the signature characterizes the program. In order to extract the...
US-7,672,839 Detecting audio signal activity in a communications system
A method for detecting the presence or absence of an audio signal in a communications system in which an audio signal is encoded by a delta modulation encoding...
US-7,672,838 Systems and methods for speech recognition using frequency domain linear prediction polynomials to form...
In accordance with the present invention, computer implemented methods and systems are provided for representing and modeling the temporal structure of audio...
US-7,672,809 Object tracker
Object tracking using ultrasonic signals. A receiver receives a signal transmitted from a transmitter. The receiver uses at least two receiving elements for...
US-7,672,744 Method and an apparatus for decoding an audio signal
A method of decoding for an audio signal comprises the step of receiving a downmix of an audio signal, an object information, and a mix information, the object...
US-7,672,743 Digital audio processing
A compressed digital audio signal is transmitted from an audio source along a connection wire to an audio receiver. The digital audio signal can encode digital...
US-7,672,693 Controlling method, secondary unit and radio terminal equipment
Radio terminal equipment of a communication system, the communication system comprising one or more secondary units coupled to the radio terminal equipment, the...
US-7,672,637 Method and system for delivering from a loudspeaker into a venue
Spread-spectrum technology, either direct sequence or frequency hopping, or a combination of the two, is used for transmitting audio signals one way and control...
US-7,672,471 Light bulb loudspeaker and sound system
A light bulb loudspeaker and sound system where a wireless or wire receiver, amplifier and power supply can be mounted inside of the boundary defined by a light...
US-7,672,470 Audio/video device having a volume control function for an external audio reproduction unit by using volume...
An audio/video (A/V) device having a volume control function for external audio reproduction units by using volume control buttons of a remote controller is...
US-7,672,466 Audio signal processing apparatus and method for the same
An audio signal processing apparatus includes a splitting unit for splitting an audio signal of a first system and another audio signal of a second system into...
US-7,672,464 Locating and correcting undesirable effects in signals that represent time-based media
The invention describes a graphical method for detecting and adjusting audio overload conditions. The graphical user interface provides a user complete playback...
US-7,672,463 Apparatus to control temperature of audio amp
A temperature control apparatus used with an audio amp to prevent the audio amp from overheating and noise from being generated by effectively controlling a...
US-7,672,411 Radio receiver
A radio receiver comprising: an antenna for receiving a radio frequency signal amplitude modulated with an audio frequency signal; a digitizer for periodically...
US-7,672,379 Audio signal processing, encoding, and decoding
Apparatus and methods for processing signals are disclosed. A data structure for processing a signal includes a payload part having at least one of data coding...
US-7,672,296 Real-time communications system of high communications quality and media terminal apparatus
A VoIP system has plural CPE units connected to an IP network as parties to be connected with each other. Each CPE unit is composed of a VoIP-IF circuit and an...
US-7,671,926 Radio frequency modulator
Disclosed herein is a Radio Frequency (RF) modulator. The RF modulator includes a Chrominance-to-Luminance (C/L) delay compensation unit for receiving a video...
US-7,671,813 Earphone antenna and wireless device including the same
An earphone antenna is provided in which two pairs of audio/high-frequency signal lines respectively corresponding to left and right earphone units are connected...
US-7,671,675 Output limiting circuit, class D power amplifier and audio equipment
An output limiting circuit includes a reference current generating portion for converting a predetermined constant voltage into a reference current by using a...
US-RE41,153 System for avoidance of collision between an aircraft and an obstacle
A field unit for warning of a danger of collision between an aircraft and an obstacle, in particular a topographical ground obstacle or an obstacle formed by a...
US-7,668,712 Audio encoding and decoding with intra frames and adaptive forward error correction
Various strategies for rate/quality control and loss resiliency in an audio codec are described. The various strategies can be used in combination or...
US-7,668,699 Optimized stochastic resonance method for signal detection and image processing
Apparatus and method for improving the detection of signals obscured by noise using stochastic resonance noise. The method determines the stochastic resonance...
US-7,668,571 Speaker system for mobile device
A speaker system for a mobile device includes first and second audio processing units and first and second speakers for reproducing audio signals and outputting...
US-7,668,566 Speaker microphone connector for communicator
A RF communication system includes a speaker microphone connector connecting a communication station with a communication unit to transmit an audio signal and RF...
US-7,668,529 Audio systems and methods
An audio system may comprise a transceiver configured to receive, detect, and transmit audio signals on a first channel frequency and to receive and detect audio...
US-7,668,463 Method and apparatus for generating and transmitting WDM MWOF signals
The present invention includes method and apparatus for converting optical signals to MWOF signals for transmission to wireless data, audio and/or video...
US-7,668,321 Automatic power foldback for audio applications
A power foldback circuit to automatically control the power of an audio amplifier by using the volume inputs to a pre-amp source which drives the audio...
US-7,668,319 Signal processing system, signal processing apparatus and method, recording medium, and program
The present invention relates to a signal processing system, a signal processing apparatus and method, a recording medium, and a program in which high frequency...
US-7,668,318 Distributed stereo system
This invention concerns a distributed stereo audio system. Distributed stereo audio systems are used to provide stereo sound to several rooms or areas from a...
US-7,668,317 Audio post processing in DVD, DTV and other audio visual products
The method and system of present invention sequences audio post-processing algorithms to simulate live or theater sound. An audio signal is selectively...
US-7,667,728 Video and audio conferencing system with spatial audio
In some embodiments, spatially realistic audio may be provided for a conference call. Voices from participants on the left side of a display, in a conference...
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