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Searching: audio signal





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Patent # Description
US-7,818,078 Interface device for wireless audio applications
The present invention is directed to wireless analog audio systems for transmission and reception of a signal from an electric analog audio signal-generating...
US-7,817,969 Limiting audible noise introduction through FM antenna tuning
An FM receiver including an FM antenna that receives continuous wavelength signals, where the FM receiver is coupled to the FM antenna and operable to alter a...
US-7,817,960 Wireless audio sharing
A system and method are disclosed for wireless sharing of audio sounds among a plurality of users with access to a dedicated, shared signal. A user of the...
US-7,817,812 Compact audio reproduction system with large perceived acoustic size and image
A compact audio reproduction system for two input signals includes at least four loudspeakers disposed at the vertices of a quadrilateral not more than two feet...
US-7,817,809 Editing device and audio signal processing system
When a PC connected to a mixer engine functions as an editing device to edit a configuration of signal processing in the mixer engine, components and wires...
US-7,817,807 Audio output driver and methods for use therewith
An audio output driver includes an audio amplifier for generating an amplified signal. A virtual ground generator generates a virtual ground signal in response...
US-7,817,803 Methods and devices for hearing damage notification and intervention
At least one exemplary embodiment is directed to a method of monitoring hearing health comprising: measuring a first acoustic sound pressure level due to an...
US-7,817,502 Method of using a personal digital stereo player
Disclosed is a music jukebox which is configured for storing a music library therein. The music jukebox includes a housing, audio input structure on the housing...
US-7,817,032 Multiple article locating system and associated method
The system includes a hand-held central monitoring device including an antenna and a receiver. A display screen is electrically coupled to a signal potency...
US-7,817,017 Television audio monitor method and system
The present invention may be used for selectively listening to multiple audio signal sources in a local area. Multiple audio signals from multiple audio signal...
US-7,816,985 Switching amplifiers
Systems and methods implemented in a switching amplifier for providing consistent, matching switching between top and bottom switching devices in a switching...
US-7,816,982 Switching audio power amplifier with de-noise function
The invention provides a switching audio power amplifier with de-noise function, including a first comparator, a second comparator, a logic control unit, a...
US-7,816,980 Audio power amplifier using virtual ground and method of processing signal in the audio power amplifier
An audio power amplifier provides a virtual ground to reduce power on/off noise and a method for processing a signal in the audio power amplifier. The audio...
US-7,814,583 Retractable rotating spa speaker system
A spa speaker apparatus having a housing with a speaker mounted therein, wherein the speaker can be extended and retracted with respect to the housing and the...
US-7,814,516 Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices;, such as communication, consumer electronic,...
US-7,814,515 Digital data delivery system and method of the same
A digital data delivery system that delivers video data of a content and audio data of the same content respectively to a first receiver and a second receiver,...
US-7,814,421 Program guide system with video window browsing
An interactive television program guide system is provided in which a viewer may direct a television to simultaneously display a selected television program, a...
US-7,813,922 Audio quantization
For supporting a selection of a predictive or non-predictive quantization in the scope of an audio signal coding, it is determined whether an error resulting...
US-7,813,824 Transmission signal processing device for video signal and multi-channel audio signal, and video and audio...
A transmission signal processing device 10 includes a transmission signal data demultiplexing circuit RX for receiving multiplexed transmission signal data and...
US-7,813,823 Computer audio system and method
A computer audio system and method is disclosed. The system includes an input to receive a digital audio input signal and a splitter to split the digital audio...
US-7,813,698 Modular wireless multimedia device
A modular wireless headset includes wearable earpiece(s) and wearable microphone(s), where the earpiece and microphone may be physically separate devices. The...
US-7,813,696 Bluetooth remote PTT and handsfree communication system and method of providing the same
A Bluetooth remote PTT (Push-To-Talk) and handsfree communication system and a method of providing the same are disclosed. The Bluetooth remote PTT and handsfree...
US-7,813,624 Apparatus for and method of recording digital audio/video signals
A recording apparatus for recording digital audio/video signals on a removable rewritable disc like recording medium has been proposed. The apparatus comprises...
US-7,813,623 Method and apparatus for creating still picture management data on a rewritable storage media
A process and system for creating and recording still picture management data in a rewritable storage media making it possible to reduce the amount of navigation...
US-7,813,563 Systems, methods, and computer program products for compression, digital watermarking, and other digital signal...
Systems, methods, and computer program products are provided for digital signal processing, which may include obtaining a first set of digitized coefficients...
US-7,813,520 Hearing device and method for supplying audio signals to a user wearing such hearing device
There is provided a hearing system comprising: a hearing device to be worn at or in a user's ear for supplying audio signals to said user and comprising a sound...
US-7,813,518 Method of current management in a battery powered audio device
The invention relates to a method of current management in a battery powered audio device. According to the invention the method comprises the following steps: ...
US-7,813,515 Multi-channel power amplifier with channels independently self-configuring to a bridge or single-ended output,...
A multi-channel power amplifier for driving a plurality of loads, each associated with a respective channel, each channel comprising a pair of operational...
US-7,813,499 System and process for regression-based residual acoustic echo suppression
A regression-based residual echo suppression (RES) system and process for suppressing the portion of the microphone signal corresponding to a playback of a...
US-7,813,100 Demagnetization circuit of a mobile phone
A demagnetization circuit for reducing interference in a mobile phone includes a wave filter, a demagnetization circuit and an audio playing circuit. The wave...
US-7,812,892 Car audio/video system having a tilt button for controlling tilt motion of a front panel
Disclosed herein is a car audio/video (A/V) system in which both a rear panel informing a user of a variety of operational statuses of the car A/V system and a...
US-7,812,889 Control system for synchronously controlling display device and play device
A control system for controlling video and audio parameters of a display device and a play device is provided. An OSD system of the play device and an OSD system...
US-7,812,885 Position and time sensitive closed captioning
Closed captioning information is provided regarding the location of a speaker, and when the text is spoken. An audio/video signal includes a video data and the...
US-7,811,237 Systems for and methods of assessing urinary flow rate via sound analysis
Systems for and methods of assessing urinary flow rate via sound analysis. Embodiments of the uroflow measurement systems include a computer and a telephone or a...
US-7,809,580 Encoding and decoding of multi-channel audio signals
An encoding device (1) for converting a first number (M) of input audio channels into a second, smaller number (N) of output audio channels comprises at least...
US-7,809,559 Method and apparatus for removing from an audio signal periodic noise pulses representable as signals combined...
A method for removing periodic noise pulses from a continuous audio signal generated in a pressurized air delivery system includes the steps of: detecting, in a...
US-7,809,558 Vector transformation apparatus and vector transformation method
There is provided a vector conversion device for converting a reference vector used for quantization of an input vector so as to improve a signal quality...
US-7,809,452 Delay management of presentation output system and method
A system and method of delivering synchronized audio and audio/video signals in the form of analog signals and streamed data over networks such a hybrid power...
US-7,809,346 Digital audio receiver with reduced AM interference
A digital audio system including a digital audio amplifier with reduced AM interference. The digital audio amplifier includes a pulse-width-modulation (PWM)...
US-7,809,326 System and method for providing recording and playback of digital media content
A system and method for time-shifting a live broadcast, and facilitating the purchase of live or time-shifted broadcast content. The device records broadcast...
US-7,809,241 Audio frequency scaling during video trick modes utilizing digital signal processing
The invention concerns a method and apparatus for audio track playback during fast forward playback video trick modes. A storage medium reader is provided for...
US-7,809,146 Audio signal separation device and method thereof
Problems of permutation can be solved with high accuracy without utilizing knowledge about original signals or information concerning positions of microphones...
US-7,809,144 Audio input-output module, plug-in detection module and methods for use therewith
A plug-in detection module includes an impedance network for producing a plug-in signal in response to a supply signal that varies when one of a plurality of...
US-7,809,129 Acoustic echo cancellation based on noise environment
A method (200) of cancelling echo in a duplex communication device (100). The method can include detecting a level of noise present on an uplink signal path...
US-7,808,969 Voice over internet protocol (VoIP) ready computer system and method
A VoIP ready computer system includes a housing having an integrated audio communications device holder adapted to receive an audio communications device. The...
US-7,808,962 Communication of audio control signals for wireless audio headphones
A wireless audio headphone communication system has an audio input for receiving an audio signal from an audio source. A wireless transceiver receives and...
US-7,808,936 Systems and methods for facsimile echo cancellation
The present invention is related to methods and systems for reducing or canceling echoes during fax communications. In an embodiment, during a fax call, a first...
US-7,808,324 Operating environment and process position selected charge-pump operating mode in an audio power amplifier...
A charge pump power supply for an audio power amplifier integrated circuit has an operating mode selected according to an indication of operating environment...
US-7,806,833 Systems and methods for analysis and display of heart sounds
An auscultation system aids a clinician's diagnosis of the heart sounds by visually displaying at least an S1 heart sound and an S2 heart sound, and ascertaining...
US-7,806,371 Remote control model aircraft with laser tag shooting action
The present invention is a radio-controlled (RC) model aircraft system with laser tag capabilities. A transmitter and receiver are each installed in at least two...
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