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Searching: audio signal





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Patent # Description
US-7,656,331 System on a chip with multiple independent outputs
An audio output circuit includes a DAC module, a line out circuit, and a headphone amplifier circuit. The digital to analog conversion (DAC) module is coupled to...
US-7,656,280 Telematic parametric speed metering system
Embodiments of the present invention provide systems, articles of manufacture and methods for a telematic parametric speed metering system. In one embodiment, a...
US-7,654,872 Audio jack connector
An audio jack connector includes a housing and a terminal group. The housing has an insertion hole extending inward from the front of the housing. The bottom of...
US-7,654,860 Signal transmission wire with an audio interface and a USB interface
A signal transmission wire with audio interface and USB interface, the wire is a four-core connection wire, one end of which is connected to a USB interface, the...
US-7,654,462 Mobile device base station for enhanced signal strength for on-demand media services
Embodiments of the present invention provide systems and methods for capturing on-demand media content for use with portable media devices, including wireless...
US-7,653,539 Communication device, signal encoding/decoding method
There is provided a communication device for effectively encoding an audio/music signal while maintaining a predetermined quality by controlling the transmission...
US-7,653,447 Integrated audio video signal processing system using centralized processing of signals
Integrated processing of audio/video signals can eliminate unnecessary signal processors and converters without losing the functionality of typical home...
US-7,653,344 Wireless digital audio/video playback system
The present invention discloses methods and systems for providing very high quality audio and video playback using all-digital wireless paths from the source to...
US-7,653,206 Digital audio device
A digital audio device. According to one aspect of the invention, the device includes a memory and an analog input system configured to record analog audio...
US-7,653,204 Method and system for codec with polyringer
In an audio processing device, a method and system for improved CODEC with polyringer are provided. An audio CODEC may comprise an audio ADC, an audio DAC, and a...
US-7,653,058 Optical network for bi-directional wireless communication
A wireless transceiving system capable of processing multi-channel broadcast signals and Ethernet signals from an Ethernet PON (Passive Optical Network), the...
US-7,652,605 Semiconductor device and audio processor chip
An audio processor chip includes a DSP for decoding audio data, a first DAC for performing a D/A conversion to the digital data obtained from the DSP, a PLL...
US-7,650,616 Methods and apparatus for identifying audio/video content using temporal signal characteristics
Methods and apparatus for identifying audio/video content using temporal characteristics of a signal are disclosed. The disclosed apparatus and methods detect a...
US-7,650,277 System, method, and apparatus for fast quantization in perceptual audio coders
A technique to encode an audio signal based on a perceptual model. In one example embodiment, this is accomplished by shaping quantization noise in the spectral...
US-7,650,145 Telephone set, communication adaptor, home appliance control method, and program recording medium
The invention relates to a telephone set comprises a connection apparatus to execute a connecting process for enabling transmission and reception of an...
US-7,650,118 Wireless transmission system and method
A wireless transmission system is provided. The system includes a wireless transmission apparatus for sending radio signals in a selected frequency and a...
US-7,650,010 Connected video and audio
The presently claimed invention relates to connecting video and audio signals to audio-video content. One claim recites a method including: receiving data at a...
US-7,650,003 Flat panel speaker and components therefor
A flat panel speaker. The speaker includes a drive unit made up of a signal oscillation radiator the winding of which promotes oscillating rather than...
US-7,650,002 Digital compressor for multi-channel audio system
A level adjustment method is applicable to an audio processing apparatus having a plurality of amplifiers corresponding to three or more of input channels of an...
US-7,650,000 Audio device and playback program for the same
The input signal X of one channel is divided by a multi-stage delay processing device Z.sup.-1 and each of the outputs is superimposed by a specified coefficient...
US-7,649,823 Method for recording asynchronously produced digital data codes, recording unit used for the method, method for...
A recording and reproducing system is broken down into a recording unit for producing a digital audio data signal from MIDI music data words asynchronously...
US-7,649,444 Positional audio cues for an vehicle indicator system
Embodiments of the present invention recite a method and system for providing positional audio cues for an vehicle warning system. In one embodiment, a sensor...
US-7,649,410 Systems and methods for improving performance in a digital amplifier by adding an ultrasonic signal to an input...
Systems and methods in which an ultrasonic signal is introduced into an audio signal before the audio signal is amplified by a switching amplifier. The added...
US-7,649,136 Music reproducing system for collaboration, program reproducer, music data distributor and program producer
A music reproducing system includes a musical instrument for reproducing a music tune on the basis of the MIDI music data, a sound reproducer for reproducing a...
US-RE41,080 Voice activated/voice responsive item locater
The present invention is an item location system which relies upon voice activation and responsiveness to identify location(s) of item(s) sought by a user. The...
US-7,647,615 Method and system for distributing digital audio and video to an analog wireless device
An audio input interface (122) receives a digital audio signal and identifies an audio bitstream which is optionally decrypted by a decryption unit (123), and...
US-7,647,229 Time scaling of multi-channel audio signals
A method and related apparatus comprising: buffering an encoded audio input signal comprising at least one combined signal of a plurality of audio channels and...
US-7,647,223 Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space
A sub-quantizer for sub-quantization of a vector includes a sub-codevector generator that generates a set of candidate sub-codevectors, and transformation logic...
US-7,647,119 Distributed compression amplitude mapping for a cochlear stimulation system
An implantable neural stimulation system, such as a cochlear implant system, utilizes a Distributed Compression Amplitude Mapping (DCAM) system to distribute...
US-7,647,118 Distributed compression amplitude mapping for a neural stimulation system
An implantable neural stimulation system, such as a cochlear implant system, utilizes a Distributed Compression Amplitude Mapping (DCAM) system to distribute...
US-7,646,964 Reproduction apparatus connected to a monitor apparatus and remote controlling method thereof
A reproduction apparatus and a monitor apparatus are interconnected by one cable connector, which transmits an image and/or audio signal, a first control signal,...
US-7,646,876 System and method for stereo operation of microphones for video conferencing system
A microphone bar for obtaining audio input for a video conferencing system includes a master module and one or more slave modules. The master module houses a...
US-7,646,435 Mobile television receiver
The invention relates to the reproduction of a television signal on a distant reproduction device. The received television signal is encoded and transmitted in a...
US-7,646,193 Device inspection device, device inspection system using the same, and mobile telephone holding device
A device inspection apparatus that is capable of judging the functions of operating control buttons on a cellular phone or like device automatically and easily....
US-7,645,220 Perineometer with wireless biofeedback
A perineometer for home or clinical use assesses the strength of pelvic floor muscles and provides audible and visual biofeedback signals as training aids during...
US-7,645,141 Arrangement for auscultation training
An arrangement and method for auscultation training is provided including a transmitter associated with an audio device for transmitting an audio signal to an...
US-7,644,001 Differentially coding an audio signal
Coding an audio signal wherein values of first parameters, which represent aspects of the audio signal at a first instant are calculated to obtain first...
US-7,643,789 Multimedia data transfer for a personal communication device
In a portable multimedia device, data is passed between a sender and receiver unit by way of voice channel only. Multimedia data is vocalized and then forwarded...
US-7,643,728 Magnetic recording/reproduction apparatus
A video signal recording apparatus with a video and audio memorizing section for temporarily memorizing an inputted video audio signal, a time code generating...
US-7,643,168 Apparatus for capturing, converting and transmitting a visual image signal via a digital transmission system
An image capture, conversion, compression, storage and transmission system provides a data signal representing the image in a format and protocol capable of...
US-7,643,097 Multiple-TV display channel setting method and module
A multiple-TV display channel setting method for synchronously a setting mapping relation between display channels and transmission channels to a first TV and a...
US-7,643,090 Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal
Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal are disclosed. A disclosed system classifies a video...
US-7,642,911 Multiple child unit monitor system
A monitor system has at least first and second child units that can each monitor audio at a different location and can each transmit signals representative of...
US-7,640,157 Systems and methods for low bit rate audio coders
A technique to enhance audio quality of a quantized audio signal when a perceptual audio coder is operating at low bit rates. The perceptual audio coder uses a...
US-7,640,156 Low bit-rate audio encoding
In a sinusoidal audio encoder a number of sinusoids are estimated per audio segment. A sinusoid is represented y frequency, amplitude and phase. Normally, phase...
US-7,639,828 Wireless hearing system and method for monitoring the same
A hearing system is provided, having a hearing device, an audio signal transmitter, an audio signal source for providing audio signals to the audio signal...
US-7,639,823 Audio mixing using magnitude equalization
According to one embodiment, during mixing of an N-channel input signal to generate an M-channel output signal, in at least one frequency sub-band, magnitude...
US-7,639,791 Means and method for detecting three-way call attempts
Method, including monitoring an audio signal on a telephone line with a detector and detecting an energy pulse in the audio signal on the telephone line;...
US-7,639,599 Embedding supplementary data in an information signal
Disclosed is a method of adjusting a supplementary data signal (wm(n)) to be embedded in an information signal (x(n)), for example an audio signal. The method...
US-7,639,598 Simultaneous full-duplex communication over a single electrical conductor
Simple, inexpensive, general-purpose devices and methods achieve simultaneous, full-duplex and bi-directional communication of analog, digital or audio signals...
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