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Searching: audio signal





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Patent # Description
US-8,750,526 Dynamic bandwidth change detection for configuring audio processor
Provided are systems and methods for dynamic detection of changes in signal bandwidth associated with audio samples received by a communication device during...
US-8,750,525 Method to maximize loudspeaker sound pressure level with a high peak to average power ratio audio source
A system is provided to protect a loudspeaker (144) by controlling a level of an applied audio signal. A control signal is generated by applying an input audio...
US-8,750,524 Audio signal processing device and audio signal processing method
When a correlation between an L channel and an R channel of a reproduction-target sound source is considerably high, virtual sound obtained from a reproduction...
US-8,750,493 Method and system for stereo echo cancellation for VoIP communication systems
An exemplary embodiment of the present invention is directed toward a method and system for cancelling line echo in the presence of a known secondary audio...
US-8,750,295 Embedded audio routing switcher
An embedded-audio routing switcher includes an input configured to receive digital input signals. The digital input signals include video with embedded audio....
US-8,749,716 Methods and apparatus for dynamic volume punch-through
Methods and apparatus for dynamic volume punch through in a home entertainment system that includes a client device that receives programming signals coupled to...
US-8,749,705 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,749,611 Video conference system
A video conference system built in an internet protocol (IP) network is provided. The system has: a multimedia capturing unit configured to photograph and...
US-8,749,394 System and method for efficiently generating audible alarms
Various inventive features are disclosed for efficiently generating regulation-compliant audible alerts, including but not limited to 520 Hz square wave...
US-8,749,095 Uninterruptible power supply system and power management method thereof suitable for audio visual apparatus
An uninterruptible power supply system (UPS) and a power management method thereof suitable for an audio visual apparatus are provided. The uninterruptible...
US-8,748,724 Apparatus and method for generating effects based on audio signal analysis
Inventive methods and apparatuses for causing one or more effects to be generated based on analysis of an audio signal are disclosed. The apparatuses may be...
US-8,745,679 Method for allocating channel resources in a broadband access system during data transfer including multimedia data
Invention refers to methods of data transfer, in particular--for transferring of multimedia data to user's stations with two-sided mode, for example--when user...
US-8,744,863 Multi-mode audio encoder and audio decoder with spectral shaping in a linear prediction mode and in a...
A multi-mode audio signal decoder has a spectral value determinator to obtain sets of decoded spectral coefficients for a plurality of portions of an audio...
US-8,744,860 Apparatus and method for providing messages in a social network
A system that incorporates teachings of the present disclosure may include, for example, a server including a controller to receive audio signals and content...
US-8,744,843 Multi-mode audio codec and CELP coding adapted therefore
In an embodiment, bitstream elements of sub-frames are encoded differentially to a global gain value so that a change of the global gain value results in an...
US-8,744,842 Method and apparatus for detecting voice activity by using signal and noise power prediction values
A robust method and apparatus to detect voice activity based on the power level of an audio frame. The method may include performing primary active/non-active...
US-8,744,841 Adaptive time and/or frequency-based encoding mode determination apparatus and method of determining encoding...
An adaptive time/frequency-based encoding mode determination apparatus including a time domain feature extraction unit to generate a time domain feature by...
US-8,744,606 Receiving device and a method for playback in a mobile receiver
A receiving device for mobile reception of a receive signal including an audio signal associated with a currently received piece of music, and a method for...
US-8,744,524 User interface tone echo cancellation
A multi-function communications device has a processor that generates a user interface audible tone signal. The device also has a downlink digital signal...
US-8,744,517 Mobile terminal with the function of wired communication
A mobile terminal is provided including: a fixed network access control module for connecting the terminal with an analog user line and notifying the central...
US-8,744,337 Apparatus and methods of enhancing radio programming
Apparatus and methods enhancing radio programming include receiving a broadcast radio transmission at a communication device. The broadcast radio transmission...
US-8,744,235 Method and apparatus for processing additional data in broadcast signal, method and apparatus for recording...
A method and apparatus for processing additional data in a broadcast signal, a method and apparatus for recording a broadcast signal, and a method and apparatus...
US-8,744,111 Earphone with tension diaphragm
An earphone with tension diaphragm includes a front portion, a rear portion, a silicone gel earplug, a filtering net and a sound generating unit. As a user...
US-8,744,096 Digital audio mixer
Once a human operator operates a fader knob of a desired channel downwardly toward a predetermined position, resistance force against the fader knob is...
US-8,744,094 Electronic device with increased immunity to audio noise from system ground currents
According to some aspects, an electronic device adapted to provide audio output via an audio system. The electronic device includes an audio jack adapted to be...
US-8,744,065 Method and system for monitoring contact center transactions
A method and system for concurrently monitoring contact center agents. A user interface executes on a supervisor station and displays multiple agent...
US-8,743,292 Video/audio production processing control synchronization
Video/audio production processing control synchronization apparatus and methods are provided. Processing control commands that are provided to a first...
US-8,743,283 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,743,282 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,743,212 Optimizing content calibration for home theaters
A parameter detector sends at least one test signal to a display and receives at least one detected display parameter from a remote control device in proximity...
US-RE44,929 Volume control for audio signals
A motion picture soundtrack reproduction system has a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the...
US-8,739,238 Method and system for a media processor
A system that incorporates teachings of the present disclosure may include, for example, a presentation device having a controller that performs operations...
US-8,739,211 Method and apparatus for storing broadcast program
A method and apparatus for storing a broadcast program are provided. The apparatus includes: a signal processing unit which generates an audio/video (A/V) file,...
US-8,738,824 Low power audio codec
Systems, methods, and other embodiments associated with a low power audio codec are described. According to one embodiment, an apparatus includes an audio codec...
US-8,738,386 Efficient multichannel signal processing by selective channel decoding
An input signal conveying encoded information representing one or more audio channels is decoded by determining the configuration of channels represented by the...
US-8,738,385 Pitch-based pre-filtering and post-filtering for compression of audio signals
Systems and methods for enhancing the quality of an audio signal produced by an audio codec are described herein. In accordance with the systems and methods, a...
US-8,737,919 Video display apparatus and method of setting user viewing conditions
A video display apparatus and a method of setting user viewing conditions of the same are disclosed. A video display apparatus includes a Bluetooth module...
US-8,737,819 Electronic device and media contents reproducing method thereof
The present disclosure relates to an electronic device and a media contents reproducing method thereof. An electronic device according to an embodiment of the...
US-8,737,671 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-8,737,659 Speaker apparatus and audio output method
The present invention allows for the further enhancement of a low pitch range with a simple structure without increasing the size. The present invention is...
US-8,737,651 Hearing assistance system and method
A system for providing hearing assistance to at least one user, having: at least one audio signal source; a first transmission unit with a digital transmitter...
US-8,737,648 Spatialized audio over headphones
A spatial element is added to communications, including over telephone conference calls heard through headphones or a stereo speaker setup. Functions are...
US-8,737,645 Increasing perceived signal strength using persistence of hearing characteristics
One example embodiment increases perceived signal strength of a sound signal based on persistence of hearing. When the ear perceives a signal it takes a finite...
US-8,737,644 Reproducing apparatus and reproducing method
A reproducing apparatus includes: a digital signal processing block configured to execute first boost processing for setting a volume level for an entered...
US-8,737,642 Audio reproducing apparatus
An audio signal processing apparatus and method for extracting components from an input signal, generating additional components, combining components, and...
US-8,737,640 System, method and apparatus with environmental noise cancellation
Disclosed herein are system, method and apparatus with environmental noise cancellation. The instant disclosure is particularly adapted to a receiver module...
US-8,737,639 Voice amplification assembly
A voice amplification assembly is provided for facilitating amplification of a voice for public speaking. The assembly provides a portable wireless microphone...
US-8,737,638 Audio signal processing device, audio signal processing system, and audio signal processing method
An audio signal processing device includes multiple input reception units to which analog audio signals, on which watermark information indicating ...
US-8,737,635 Diaphonic acoustic transduction coupler and ear bud
The disclosed methods and devices incorporate a novel expandable bubble portion which provides superior fidelity to a listener while minimizing listener...
US-8,737,631 Method for adjusting a hearing device with frequency transposition and corresponding arrangement
A method for adjusting a hearing system to the hearing preferences of a user of said hearing system is disclosed, wherein said hearing system is capable of...
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