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Searching: audio signal





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Patent # Description
US-7,945,056 Listening device with two or more microphones
The invention regards a listening device with two or more microphone units. The listening device has a signal processing device and means for delivering a...
US-7,945,055 Filter smoothing in multi-channel audio encoding and/or decoding
A first signal representation of one or more of the multiple channels is encoded in a first encoding process, and a second signal representation of one or more...
US-7,945,006 Data-driven method and apparatus for real-time mixing of multichannel signals in a media server
An apparatus for mixing audio signals in a voice-over-IP teleconferencing environment comprises a preprocessor, a mixing controller, and a mixing processor. The...
US-7,944,998 Audio correlation system for high definition radio blending
A system that blends a hybrid radio signal may provide reduced audio content skipping and may determine an audio correlation between analog and digital signal...
US-7,944,919 Connection identifier for wireless broadcast system
A wireless broadcast system that collects content for distribution over a wireless communication network. Multiple content streams are received and interleaved...
US-7,944,896 Method to identify voice over packet device capability and use it to make appropriate calls with other client...
A system provides push-to-talk (PTT) or similar communication service via a radio access network providing wireless mobile packet data communications for mobile...
US-7,944,847 Voting comparator method, apparatus, and system using a limited number of digital signal processor modules to...
A method and apparatus for selecting a preferred signal from homogenous streams of a subscriber call in an analog or mixed mode wireless communication network....
US-7,944,289 Minimum pulse generation in a class-D amplifier
For minimum pulse generation in a class-D amplifier, a trapezoid switching waveform shape is used to replace the tradition triangle type to generate PWM pulses....
US-7,942,705 Audio jack with pogo pins for conductive contacts
An audio jack can allow electrical connections between an audio plug and an electronic device. The audio jack can include a series of pogo pins operative to...
US-7,941,821 Control system and user interface for home theater network
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
US-7,941,319 Audio decoding apparatus and decoding method and program
An energy corrector (105) for correcting a target energy for high-frequency components and a corrective coefficient calculator (106) for calculating an energy...
US-7,941,198 Internal audio multiplexing system for multi-channel radios
A method of providing audio transmissions from an electronic device having internal audio multiplexing is disclosed. The method comprises combining a plurality...
US-7,941,141 System and method for selecting a frequency for personal-use FM transmission
A portable electronic device includes a radio frequency receiver; a radio frequency transmitter; and a processing system coupled with the receiver and...
US-7,941,114 Noise measurement for radio squelch function
A method implementable in an audio receiver having an input for receiving broadcast signals including a set of channels and a squelching controller includes...
US-7,941,037 Audio/video timescale compression system and method
A system and method are provided for time scaling playback of digital audio signals with associated digital video signals. Initially, the digital video signals...
US-7,940,945 Method for operating a wireless audio signal receiver unit and system for providing hearing assistance to a user
There is provided a method for operating a receiver unit (12) for receiving audio signals from a remote transmission unit (10) via a wireless audio link (56),...
US-7,940,941 Effect adding method and effect adding apparatus
An effect adding method, includes: applying different gains to a positive side waveform portion and a negative side waveform portion of an audio signal...
US-7,940,938 Sound reproducing apparatus
A sound reproducing apparatus which can be relatively inexpensive as a whole and also be simple in construction with reduced wiring even in the case where many...
US-7,940,370 Interactive zoetrope rotomation
A 3D zoetrope that allows for storytelling and user interaction. The zoetrope includes an object support such as a disk that supports a plurality of objects. In...
US-7,940,337 Method and system for an integrated VSB/QAM/NTSC/OOB plug-and-play DTV receiver
Systems and methods for processing signals in a communication system are disclosed and may include demodulating a wirelessly received inband signal and a...
US-7,940,141 PWM signal generation circuit, class-D amplifier and method for driving the same
A first situation indicating that the system is in a power-on situation or an un-mute situation, or a second situation indicating that the system is in a...
US-7,940,049 Portable wireless metal detector
A portable electromagnetic metal detector includes a detection head placed at the end of a support stick. The detection head includes a transmitting coil and a...
US-RE42,342 Apparatus and method for processing audio signals recorded on a medium
.[.This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-RE42,341 Apparatus and method for processing audio signals recorded on a medium
.[.This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-7,937,742 Broadcasting receiving apparatus and control method for receiving audio/video signals and additional audio...
A broadcasting receiving apparatus includes: a signal receiving unit which receives a first signal and a second signal different from the first signal; a signal...
US-7,937,667 Multimedia mirror assembly for vehicle
A user-interactive display system for a vehicle includes an interior rearview mirror assembly, a portable hand-held device, and a display device. The portable...
US-7,937,450 System for providing content, management, and interactivity for thin client devices
A system is provided for delivering Internet and digital content to a variety of thin client devices. A web portal for accessing and selecting content is used...
US-7,937,272 Scalable encoding/decoding of audio signals
An audio signal is encoded by a first waveform encoder (103) to generate a first waveform based bit-stream component. A second encoder (105) encodes the audio...
US-7,937,271 Audio decoding using variable-length codebook application ranges
Provided are, among other things, systems, methods and techniques for decoding an audio signal from a frame-based bit stream. Each frame includes processing...
US-7,937,266 Audio reproduction circuit
An audio reproduction circuit has an input buffer for holding MP3 data. The audio reproduction circuit also has an MP3 decoder for reading and decoding, in...
US-7,937,170 Operator interface device for HMI system
The operator interface device for an HMI system provides for generic, simple communication between Human-Machine Interface (HMI) software and an operator...
US-7,937,109 Current source driver for common ground signal interface
A mobile computing device comprises a housing, a memory, a first current source driver, an audio interface and a processing circuit. The housing is configured...
US-7,937,055 Timeshifting for a multiple-tuner vehicle radio system
Methods and apparatus are provided for timeshifting audio content in a multiple tuner audio system comprising a first tuner and a second tuner. One operating...
US-7,937,042 Animal training and tracking system using RF identification tags
An animal training device for administering audio stimulus and physical encouragement to an animal. The trainer has a transmitter with variable signal strength....
US-7,937,040 Modulator apparatus having a mechanism for charging electronic devices and/or digital file decoding capabilities
A modulator apparatus comprising: an elongate housing having a distal portion and a proximal portion that flares outwardly from the distal portion; a cigarette...
US-7,936,887 Personalized headphone virtualization
A listener can experience the sound of virtual loudspeakers over headphones with a level of realism that is difficult to distinguish from the real loudspeaker...
US-7,936,886 Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof
A speaker system to control directivity of a speaker unit using a plurality of microphones, and a method thereof. The method includes sensing through a...
US-7,936,885 Audio/video reproducing systems, methods and computer program products that modify audio/video electrical...
An audio/video reproducing system is automatically electronically controlled in response to specific sensed sounds, specific sensed images and/or specific...
US-7,936,399 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-7,936,288 Method and system for audio CODEC voice ADC processing
Methods and systems for audio CODEC voice ADC processing are disclosed. Aspects of one method may include using a decimating filter that may be enabled to...
US-7,936,211 Controlling the performance of a thermionic tube
Controlling the performance of the thermionic tube (102) having a cathode (103), a plate (104) and a grid (105) is disclosed. The tube is configured to provide...
US-7,935,881 User controls for synthetic drum sound generator that convolves recorded drum sounds with drum stick impact...
Methods and apparatus for simulating the sound of a specific percussion instrument. A first stored waveform representative of the impulse response of the...
US-7,935,878 System, method and computer program for ensuring secure use of music playing data files
A system, apparatus, or method extracts a music playing data file from a given musical work resource such as an electronic music score data file, a printed...
US-7,934,523 Tree counter for a saw head in a tree feller
A forestry machine includes a frame, and a felling saw carried by the frame. The felling saw includes a saw head. A tree counter associated with the saw head...
US-RE42,323 Apparatus and method for processing audio signals recorded on a medium
.[.This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-RE42,322 Apparatus and method for processing audio signals recorded on a medium
.[.This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-RE42,321 Apparatus and method for processing audio signals recorded on a medium
.[.This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-RE42,320 Apparatus and method for processing audio signals recorded on a medium
.[.This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-7,934,245 Audio and/or video signal transmission system, transmitting apparatus and receiving apparatus thereof
In order to accurately display information on the format of different signals from respective different signal source apparatuses as an image, the output...
US-7,934,106 Power control for fast initialization of recording apparatus
A data processing apparatus according to the present invention is capable of writing video and/or audio data to a storage medium. The data processing apparatus...
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