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Match Document Document Title
9031255 Systems, methods, apparatus, and articles of manufacture to provide low-latency audio  
Systems, methods, apparatus, and articles of manufacture to provide for low-latency delivery and playback of audio are disclosed. In one embodiment, an example audio system includes multiple...
8907867 Don and doff sensing using capacitive sensors  
Methods and devices for determining whether a head-mountable computing device is donned or doffed are disclosed. In one embodiment, a method is disclosed that includes receiving from at least one...
8804968 Audio network system and method of detecting topology in audio signal transmitting system  
In an audio network system constructed from a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and transmits a main packet including audio...
8654984 Processing stereophonic audio signals  
Method, apparatus and computer program product for processing an input stereophonic audio signal to thereby generate a converted stereophonic audio signal representing the input stereophonic audio...
8654982 Reducing power consumption in sink devices by having sinks receive only left audio channel or right audio channel  
A wireless audio device may realize power savings when processing multi-channel data, e.g. 2-channel stereo audio data, by splitting the multi-channel block data into separate data blocks for each...
8433077 Noise removal device and noise removal method  
The invention provides a noise removal device and method capable of more proper interpolation on an input signal. The noise removal device is for removing noise in an input signal and includes: a...
8260275 Data transmitting apparatus and method  
A sending method includes supplying a material to a plurality of audio channels that send an entirety of a music title repeatedly for a certain unit of time. The method also includes supplying...
8050299 Data transmitting apparatus and method  
A ground station multiplexes audio digital data of a plurality of audio broadcasts, GUI data, and download audio data and transmits the multiplexed signal to a receiving side through a satellite....
8045717 Stereo decoder and method for processing pilot signal  
A stereo decoder and a method therefor are provided. The stereo decoder receives a MPX signal from an FM demodulator, and comprises a first auto-calibration circuit, a band-pass filter, a second...
7965978 Transmitting/receiving method, transmitter/receiver, and recording medium therefor  
A transmitting/receiving method that can easily detect an influence exerted in transmission channels at a transmitter/receiver is provided. An acquiring unit 12 acquires left audio data and right...
7961890 Multi-channel hierarchical audio coding with compact side information  
A parametric representation of a multi-channel audio signal describes the spatial properties of the audio signal well with compact side information when a coherence information, describing the...
7936228 Frequency modulator and FM transmission circuit using the same  
An input signal is input via a first resistor to an inverting input terminal of an operational amplifier. A second resistor is provided on a feedback path between an output terminal and the...
7787630 FM stereo decoder incorporating Costas loop pilot to stereo component phase correction  
A novel system and method for correcting the residual phase offset between a recovered pilot signal and the received stereo signal. The invention uses a Costas loop as an auxiliary loop in...
7676046 Method of removing noise and interference from signal  
A method of removing noise and interference from a signal by receiving the signal, calculating a joint time-frequency domain of the signal, estimating instantaneous frequencies of the joint...
7664474 Portable electronic device and a method in a portable electronic device  
A method in a portable communication device for displaying information includes encoding data and transmitting the encoded data to a display associated with a vehicle. The encoded data is received...
7603080 Multiple channel wireless communication system  
A wireless headphone device may include a receiver for receiving a wireless digital signal containing a plurality of digital audio streams combined with control codes according to a predetermined...
7428308 Transmitting and reproducing stereophonic audio signals  
Apparatus and method for transmitting and reproducing stereophonic audio signals are disclosed. The method comprises splitting first and second channels into two frequency bands, combining the...
7343015 Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers  
A method and system is disclosed for transmitting two related channels of signals through the air. A first channel of signals is modulated with a first carrier frequency, and a second channel of...
7149312 Method and device to retrieve RDS information  
To retrieve RDS information by filtering and transforming an incoming multiplex signal (m(t)) into a RDS baseband signal, an amplitude modulated RDS signal (ma(t), mc(t)) is derived on basis of an...
7107074 Computer system with wireless audio signal transmitter module  
A computer system provides a wireless audio signal transmitter module which is capable of transmitting audio signal wirelessly from a host computer to at least one remote wireless signal receiver....
7082203 Wireless audio transmission method and apparatus for coupling audio players to audio receivers  
A wireless audio transmission apparatus and method for coupling audio players to audio receivers for broadcast of audio signals stored in and processed by the audio player. A housing carrying...
6968062 Transmitter of infrared transmission system and reproducing apparatus comprising headphone device  
This invention is directed to a transmitting apparatus adapted for carrying out transmission of audio signals by using infrared rays and a reproducing apparatus using a headphone device adapted to...
6954534 Multiple signal carrier transmission apparatus and method  
A multiple signal carrier transmission apparatus and method for broadcasting stereo sounds to an audio output device uses three related carrier frequencies on which are modulated the sum of first...
6618486 Controller for FM 412 multiplex power regulation  
A feedback controller, embedded in an FM audio processor, that controls the “integrated multiplex power” to the requirements of ITU-R 412 (2.51) is disclosed. This regulation specifies the maximum...
6337913 Wireless transmitter/receiver circuit system with floating frequency tracing function for a wireless audio equipment  
A wireless transmitter/receiver circuit system having a transmitter circuit and a receiver circuit, that enable a wireless headphone or speaker system to automatically trace floating frequency...
5970390 Transmitter and automobile audio apparatus using the same  
A transmitter for transmitting an audio signal derived from an audio appliance to an FM (frequency modulation) radio includes a transmitter circuit for converting the audio signal derived from an...
5920631 Multiplex transmission device for multiple-channel signals, especially multiple-channel audio signals  
A multiplex transmission device for multiple-channel signals, in particular multiple-channel audio signals, has a plurality of input channels, each of which receives an input signal, a...
5862235 Multiple broadcast channel transmitter arrangment  
A transmitter includes a plurality of oscillators for transmitting multiple radio frequency (RF) signals simultaneously, from each one of which signals a broadcast radio receiver system can...
5771441 Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver  
A portable RF transmitter having an audio plug extending therefrom which mates with the earphone or output jack of an audio source such as a portable battery operated CD or tape player and having...
5737427 Surround sound processor unit  
A surround sound processor unit includes a plurality of preamplifiers, an in-phase audio decoder circuit, an out-of-phase audio decoder circuit, at least one transmitter, at least one receiver, at...
5699433 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Subcarrier injection system and method using adaptive level-shifted minimum shift keying
 
A system for transmitting a main channel signal, a first subcarrier signal, and a second subcarrier signal includes a control signal generator for producing a control signal in response to the...
5682431 FM stereo broadcasting apparatus and method  
The FM stereo broadcasting apparatus has a sampling frequency converter for receiving a digital input signal having an L (left audio)-signal and an R (right audio)-signal and for converting the...
5673323 Analog spread spectrum wireless speaker system  
An analog spread spectrum wireless speaker system for use in consumer audio applications for providing reliable and high fidelity stereo sound. The system includes a transmitter that accommodates...
5619577 Transmission system, and a transmitter and a receiver for use in such a system  
A simple and effective stereophonic transmission system (1) wherein the transmitter (2) alternatively encodes successive block periods of a block signal with samples of the left-hand channel...
5581617 System for short-range transmission of signals over the air using a high frequency carrier  
A system is provided which transmits either analog or digital data signals over the air. The system includes a transmitter and a receiver. The transmitter and receiver are arranged to transmit...
5561715 Synchronization of prerecorded audio/video signals with multi-media controllers  
A fuel dispenser having a controllable audio/video program display includes a fuel pump and delivery path, a program media display, and a prerecorded program and a multi-media controller to direct...
5448757 Audio signal modulating system with pre-emphasis  
An FM audio system has an FM tuner, a CD player, a stereo modulator for modulating an audio signal from the CD player to produce a composite signal so as to be received by the FM tuner for...
5319716 Wireless CD/automobile radio adapter  
This invention discloses a wireless compact disc stereo playback system for use in automobiles. An FM transmitter is employed which is connected at the output of a portable CD player, the FM...
5155769 Discrete parallel path modulation multiplexer  
A discrete parallel path modulation multiplexer for use in generating a composite baseband signal from separate left and right input signals. The composite baseband signal includes the sum of the...
5119503 Apparatus and methods for broadcasting auxiliary data in an FM stereo broadcast system  
Apparatus and methods are disclosed for broadcasting auxiliary data in an FM stereo broadcasting system. The auxiliary data is broadcast in addition to regular audio broadcast programs including...
5054070 Stereo signal communication system and method  
A system which enables transmission of a standard composite stereo sound signal, made up of baseband, subcarrier band and pilot signals, from a first location to a second location while requiring...
5001757 FM stereo tone detector  
A stereo FM radio transmission system with FMX transmission and reception capability includes a transmitter that transmits a pilot-coherent FMX-tone indicator signal at a frequency of an exact...
4991212 Broadcast signal conditioning method and apparatus  
A signal conditioning circuit for use in broadcasting a composite stereo signal in the 50 hertz to 53 kilohertz range. The signal conditioning circuit includes a filter for attenuating signals...
4819268 Transmitter having means for controlling undesired out-of-band radiation  
An improved transmitter having protection from undesired out-of-band radiation caused by high frequency components in a supplied signal to be transmitted uses means for determining when the...
4782531 Multichannel FM subcarrier broadcast system  
A multichannel FM subcarrier broadcast system is disclosed which enables the transmission of multiple independent signals by generating independent sidebands of suppressed carriers in the...
4611231 Signal processing apparatus for a video signal  
A video signal processing apparatus has an input terminal for receiving an input video signal and a delay line for delaying the input video signal. A first transmission circuit processes the video...
4534054 Signaling system for FM transmission systems  
A signaling system for FM transmission systems is disclosed that utilizes one or more so-called quadrature subcarriers for transmitting at least one data signal, including signaling tones, digital...
4493099 FM Broadcasting system with transmitter identification  
An FM broadcasting system comprises an FM transmitter for transmitting a multiplex signal which is frequency-modulated on a main carrier wave and an FM receiver for cooperation with said FM...
4485483 FM Stereophonic system incorporating companding of difference signal  
An FM stereophonic radio broadcasting system in which stereophonically related audio frequency source signals L and R are matrixed to obtain stereophonic sum and difference signals M and S,...
4441199 Method and apparatus for amplitude limiting a composite signal  
Two parallel signal paths carry a composite signal having a narrow-band component such as an FM station's composite signal. The first path includes a notch filter that removes the narrow-band...

Matches 1 - 50 out of 68 1 2 >