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Searching: audio signal





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Patent # Description
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...
US-7,933,949 Data processing apparatus which prevents data overflow and underflow
A data processing apparatus constitutes a low-cost audio/video data transmission and reception system. A reception buffer monitoring circuit 21 monitors the...
US-7,933,945 Method, system, and computer program product for managing controlled residential or non-residential environments
A control server, or similar central processor, manages the distribution of data (including audio and video), voice, and control signals among a plurality of...
US-7,933,778 Serial transmission system, transmission device, and serial transmission method
A serial transmission system has a transmission signal generator and a transmission signal receiver. The transmission signal generator generates a digital audio...
US-7,933,770 Method and device for coding audio data based on vector quantisation
A wideband audio coding concept is presented that provides good audio quality at bit rates below 3 bits per sample with an algorithmic delay of less than 10 ms....
US-7,933,769 Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX
In a method and device for low-frequency emphasis, where the spectrum of a sound signal is transformed in a frequency domain and comprises transform...
US-7,933,421 Sound-field correcting apparatus and method therefor
A sound-field correcting apparatus includes a sound-field correcting unit for executing, based on a correcting information, predetermined audio signal...
US-7,933,419 In-situ-fitted hearing device
The hearing device is operable in a fitting mode and in a listening mode and comprises a transducer for receiving, in the fitting mode, audio test signals, and...
US-7,933,411 Method of constructing MPEG program streams from encrypted MPEG transport streams
An electronic device comprising: a transport stream analyzer, the transport stream analyzer adapted to receive an encrypted MPEG transport stream and to output...
US-7,933,391 Apparatus and method for providing priority voice messaging from an emergency center
A method and apparatus for emergency message delivery from an emergency center by receiving an incoming call from the emergency center for a first...
US-7,933,171 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-7,933,084 Corrective adjustment of recording characteristics in digital renditions of analog recordings
A signal reconstruction technique is used to correct for wow and flutter in analog audio recordings. Elements of the recording are used to generate a signal for...
US-7,932,957 Receiver apparatus and receiver system
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-7,932,458 Electronic signal processor
An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is...
US-7,931,367 Eyewear with removable audio system
Eyewear includes a left temple and a right temple. Each of the temples has a cavity sized to receive an audio device such as a BlueTooth transceiver configured...
US-7,930,453 Method and apparatus for transmitting audio and video signal via three twisted pairs of conductors
A system, apparatus and methods for transmitting video and audio data over twisted pairs are described. A differential signal that contains video color...
US-7,930,185 Apparatus and method for controlling audio-frame division
To alleviate degradation of sound quality which may be caused by pre-echoes and bit starvation. An acoustic analyzer analyzes an audio signal to calculate...
US-7,930,177 Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear...
In one embodiment, the method includes receiving an audio data frame having at least one channel. The channel is subdivided into a plurality of blocks, and at...
US-7,930,170 Computationally efficient audio coder
The present invention provides a computationally efficient technique for compression encoding of an audio signal, and further provides a technique to enhance...
US-7,930,047 Interactive sound reproducing
An audio system attachable to a computer includes a sound reproduction device for producing audible sound from audio signals. The sound reproduction device...
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