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Searching: audio signal





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Patent # Description
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...
US-7,805,500 Network linking methods and apparatus
Some portions of the present disclosure relate to processing audio signals for network linking. One claim recites an apparatus including: electronic memory for...
US-7,805,477 Computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC audio decoding algorithm on programmable...
The present invention relates to computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC algorithm efficiently, which is used as an audio...
US-7,805,313 Frequency-based coding of channels in parametric multi-channel coding systems
For a multi-channel audio signal, parametric coding is applied to different subsets of audio input channels for different frequency regions. For example, for a...
US-7,805,297 Classification-based frame loss concealment for audio signals
A system and method for performing frame loss concealment (FLC) when portions of a bit stream representing an audio signal are lost within the context of a...
US-7,805,292 Method and apparatus for audio transcoding
An apparatus for transcoding an audio signal between a CELP-based coder and a hybrid coder includes a source bitstream unwrapper configured to receive a source...
US-7,805,210 Synchronizing multi-channel speakers over a network
A server is arranged to distribute at least one stream of audio data corresponding to an audio signal to two or more speakers across a network. Each speaker...
US-7,805,135 Wall mounted docking station
A multi-zone audio system is provided that is portable to a handheld audio device at a plurality of locations. The system includes a multi-zone audio system...
US-7,804,974 Hearing aid and a method of processing signals
A hearing aid (30) includes a microphone (71), a signal processor (20) and an output transducer (22), and the signal processor (20) includes a set of audio...
US-7,804,967 Circuit for preventing output of pop noise
Disclosed is a circuit for preventing an output of a pop noise, which occurs from an audio amplifier when a power switch of an electronic device loading the...
US-7,804,966 Audio amplifier attachable to speaker system by way of magnetic coupler and method therefor
An audio amplifier and speaker system are stacked and magnetically coupled together. The audio amplifier is coupled for receiving an audio signal. A first...
US-7,804,836 Processing encoded real-time data
A processing device and method for processing packets of encoded real-time data to perform a gradual fade-out and fade-in of a signal. Upon detecting the...
US-7,804,494 Pointing device with integrated audio input and associated methods
A mobile personal digital assistant (PDA) allows a user to enter information using both a touch screen and voice commands with a stylus. The stylus includes a...
US-7,802,310 Controlling access to data in a data processing system
Access to and delivery of licensed content is controlled using content names that were determined based on the content. A name for a data item is obtained, the...
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