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Searching: audio signal





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Patent # Description
US-7,886,152 Method and device for embedding watermark information and method and device for extracting embedded watermark...
For embedding watermark information into an information signal including audio and/or video information, first of all a synchronization sequence with a plurality...
US-7,886,151 Temporal synchronization of video and audio signals
A protocol for temporal synchronization of media signals with temporal components is used for digital watermarking and other applications. The synchronization...
US-7,885,818 Controlling an apparatus based on speech
An apparatus with a speech control unit includes a microphone array having multiple microphones for receiving respective audio signals, and a beam forming module...
US-7,885,424 Audio signal supply apparatus
An audio signal supply apparatus which can broaden a listening area in the directions of directivity axes of acoustic beams output from a speaker array and...
US-7,885,422 Audio device and method
The present invention provides a method of operating a digital audio device, the method comprising: receiving a voice call; receiving another digital audio...
US-7,885,272 Remote control of device by telephone or other communication devices
A communication device, such as a telephone or a personal computer, controls one or more remotely controlled devices solely over a signaling path, without...
US-7,884,844 System for conducting videoconferencing session over television network
A videoconferencing system includes a camera, a microphone, and an interface module. The module is coupled a modem connected to a television network and is...
US-7,884,788 Liquid crystal display device and electronic apparatus
A liquid crystal display device provided with an audio signal processing function, which includes an audio signal processing circuit with a large S/N ratio and a...
US-7,884,276 Music transcription
Methods, systems, and devices are described for automatically converting audio input signal data into musical score representation data. Embodiments of the...
US-7,883,009 Banking system operated responsive to data read from data bearing records
A system includes automated banking machines that operate responsive to data read from data bearing records. Transactions may also be carried out through...
US-7,881,925 Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or...
US-7,881,922 Communication device and method to derive context information
A communication device comprises processing means, storage means for storing a database of language components, display means and user interface means. The...
US-7,881,817 Method and apparatus for processing an audio signal
A method for processing an audio signal, comprising the steps of extracting an ancillary signal for generating the audio signal and an extension signal included...
US-7,881,729 GPS-microphone for communication system
A communication apparatus, such as a GPS-microphone, which is adapted for incorporating a communication system, includes a communication unit such as a...
US-7,881,728 Self-powered positioning and modem system for two-way radio
A self-powered positioning and modem system, which is adapted for linking to a radio frequency transmitter of a communication device to communicating with a...
US-7,881,713 System and method of wirelessly triggering portable devices
The present invention provides for a system and method of wirelessly triggering portable devices to provide a user with audio and/or visual information related...
US-7,881,592 Digital audio/video playback system capable of controlling audio and video playback speed
A digital audio/video playback system capable of controlling audio and video playback speed for decoding a digital audio/video signal and then outputting such...
US-7,881,485 Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece
The apparatus for determining an impulse response in an environment in which a speaker and a microphone are placed works using an audio signal. Means for...
US-7,881,482 Audio enhancement system
An audio enhancement system is provided for compensating for distortions (e.g., linear distortions) of a sound signal reproduced by an audio system in a...
US-7,881,481 Audio processing apparatus and method
Disclosed herein are an audio processing apparatus and method. In an embodiment, if a playing mode that abruptly changes the level of audio being played has been...
US-7,881,479 Audio processing method and sound field reproducing system
An audio signal processing method comprises the steps of emitting a sound at a virtual sound image location in space on the outer side of a closed surface,...
US-7,881,460 Configuration of echo cancellation
A determination to enable echo cancellation is made in advance of a real-time communication session. A model sample audio file stored in memory on the computer...
US-7,881,284 Method and apparatus for dynamically adjusting the playout delay of audio signals
Disclosed is a method and apparatus for dynamically adjusting the playout delay for audio signals, which mainly includes three parts of dynamic adjustment, i.e.,...
US-7,880,817 Receiver apparatus for outputting digital video and audio signals and receiver system incorporating the...
A receiver apparatus 3 has a digital circuit portion 13 that converts a compressed digital signal outputted from a digital demodulating portion 12 into digital...
US-7,880,748 Audio view using 3-dimensional plot
Techniques for editing signal data using a three-dimensional visual representation of the signal data are provided. According to one embodiment of the invention,...
US-7,880,612 Anti-theft method and device
The invention comprises of a method and alarm device used to prevent metal theft from irrigation systems. The alarm device attaches to a plurality of electric...
US-RE42,093 Active audio compressing in telecommunication
An output reducing system for a telephone system, e.g., implemented in a headset, includes an input line and an output line, wherein the input line transmits an...
US-7,877,752 Method and system for efficient audio scheduling for dual-decode digital signal processor (DSP)
Methods and systems for coordinating the handling of information are disclosed herein and may include scheduling multiple processing tasks for processing...
US-7,877,501 Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
The present invention is directed to voice communication devices in which an audio stream is divided into a sequence of individual packets, each of which is...
US-7,877,500 Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
The present invention is directed to voice communication devices in which an audio stream is divided into a sequence of individual packets, each of which is...
US-7,877,268 Intelligent pill box
The invention is an effective solution to the medical non-compliance problem. Reducing patients' non-compliance offers them better health, longer life...
US-7,877,263 Signal processing
In an audio signal processing procedure, auto-regressive (AR) modeling is used to create a residual signal from an input audio signal. The residual signal is...
US-7,877,156 Audio reproducing apparatus, audio reproducing method, and program
This invention provides an audio reproducing apparatus which reproduces plural digital audio signals and synchronizes them with each other. The audio reproducing...
US-7,877,121 Modular wireless headset and/or headphones
The modular wireless headset includes at least one wearable earpiece and at least one wearable microphone, where the earpiece is physically separate from the...
US-7,877,116 Method and apparatus allowing for user-selectable acoustic equalizer settings for voice calls
A user is allowed to select an acoustic equalizer setting from among a plurality of predetermined acoustic equalizer settings. Upon receiving an indication of a...
US-7,877,059 Underwater communications system comprising relay transceiver
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-7,877,001 Recording and reproducing apparatus and video and audio signal editing method therefor
A plurality of standard television broadcast programs recorded on a recording medium are selected. Video and audio signals of one of the selected plurality of...
US-7,876,921 Active crossover and wireless interface for use with multi-driver headphones
A headset with an active crossover network is provided. The headset is coupleable to a first audio source using a wired connection and to a second audio source...
US-7,876,920 Active crossover for use with multi-driver headphones
A headset with an active crossover network is provided. The headset is coupled to an audio source using either a wired connection or a wireless connection. The...
US-7,876,915 Audio apparatus having tuner unit and digital reproducing unit
An audio apparatus comprises a tuner for receiving broadcast waves; a digital reproducing unit; operation switches for operating the tuner and the digital...
US-7,876,912 Dual mode headset device
The invention provides a headset device. The headset device includes a first headset, a second headset, and a transmission line. The first headset includes a...
US-7,876,909 Efficient filter for artificial ambience
A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances...
US-7,876,907 Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference...
Characteristic amounts in each small region of audio signals transmitted in the working system and the standby system are extracted by characteristic amount...
US-7,876,906 Methods and apparatus for processing audio signals
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a...
US-7,876,905 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,876,904 Dynamic decoding of binaural audio signals
Inputting of a parametrically encoded audio signal comprising at least one combined signal of a plurality of audio channels and one or more corresponding sets of...
US-7,876,903 Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
Method and apparatus for producing, combining, and customizing virtual sound environments. A binaural sound system (400) includes a transceiver (492) configured...
US-7,876,899 Recoverable digital content degradation: method and apparatus
The present disclosure relates generally to processing media signals such as audio and video. One claim recites a method comprising: obtaining a media signal,...
US-7,876,890 Method for coordinating co-resident teleconferencing endpoints to avoid feedback
A method of controlling teleconference signals includes receiving, at a teleconference bridge, endpoint-generated audio signals from each of a plurality of...
US-7,876,750 Digital broadcasting system and data processing method thereof
A digital broadcasting system and a data processing method thereof are provided. An apparatus for generating a transport stream includes a packet generator for...
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