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Searching: audio signal





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Patent # Description
US-7,561,061 Monitor with reminder sound
A monitor with reminder sounds is disclosed. The device includes at least a monitor, at least a button and an audio player. The button is disposed on the monitor...
US-RE40,841 Sound recording and reproduction system for model train using integrated digital command control
A system is provided for recording, storing and reproducing sound for playing back in an environment requiring simulated sounds, voices, and/or sound effects....
US-7,558,964 Cued one-time passwords
A method, apparatus, system, and signal-bearing medium that, in an embodiment, receive cues, one-time passwords, and a presentation order. The cues and one-time...
US-7,558,809 Task specific audio classification for identifying video highlights
A method classifies segments of a video using an audio signal of the video and a set of classes. Selected classes of the set are combined as a subset of...
US-7,558,636 Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio...
A system and method for characterizing the contents of an input audio signal and for suppressing noise components of the input audio signal are described. The...
US-7,558,547 Radio receiver that changes function according to the output of an internal voice-only detector
A radio receiver includes a voice-only detection mechanism that detects when the current radio station is transmitting mostly voice, and that changes the...
US-7,558,541 Amplifier gain and phase stabilizer
Methods and apparatus are provided for stabilizing the phase and gain of an amplifier in a power pooling arrangement. A pilot signal combining a reference...
US-7,558,529 Earpiece/microphone (headset) servicing multiple incoming audio streams
The present invention provides a modular wireless headset with which to service multiple incoming audio streams. This modular wireless headset includes a...
US-7,558,527 Radio receiver system and method of injecting audio content
A system and method of injecting audio content into a radio system is provided. The method includes the steps of receiving in a radio receiver a first RF signal...
US-7,558,384 Audio alert system and method
A user-programmable audio alert system, device, and method includes an audio alert created by a user and programmed into a device, such as a wireless telephone....
US-7,558,173 Disk device and control method therefore
A disk device which performs recording and reproduction of an audio-visual signal for an optical disk, includes: a determination unit for determining whether an...
US-7,557,838 Imaging method and imaging apparatus
An imaging unit reads a signal out of an image pickup device to generate an image signal based on captured image. Signal processor generates image data from the...
US-7,557,829 Device that reads data encoded as dots
A system is disclosed for reading data encoded as a series of invisible dots carried on a substrate. The system has a detector that detects the dots on the...
US-7,556,597 Active vibration attenuation for implantable microphone
The invention is directed to an implanted microphone having reduced sensitivity to vibration. In this regard, the microphone differentiates between the desirable...
US-RE40,836 Apparatus and methods for providing text information identifying audio program selections
Apparatus and methods are disclosed for providing text information which identifies audio program selections, such as musical selections, stored on a compact...
US-7,555,536 Apparatus and methods for providing an audibly controlled user interface for audio-based communication devices
The invention is directed to techniques for providing an audibly controlled interface for a user of a limited audio-based communication device, for example, a...
US-7,555,437 Medical documentation system
An electronic documentation system for use in care for a patient given by a health care provider, comprising a documentation device having a digital video...
US-7,555,434 Audio decoding device, 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-7,555,432 Audio steganography method and apparatus using cepstrum modification
Audio steganography methods and apparatus using cepstral domain techniques to make embedded data in audio signals less perceivable. One approach defines a set of...
US-7,555,410 Circuit for use with multifunction handheld device with video functionality
A circuit for use by a multifunction handheld device is coupleable to an audio output device, the multifunction handheld device including a color video display...
US-7,555,354 Method and apparatus for spatial reformatting of multi-channel audio content
A method and device are described to process an event on an audio rendering device. The method may comprise rendering a first audio stream via at least a first...
US-7,555,348 Remote transtelephonic monitor user interface
Patients fitted with an implantable medical device (IMD) must typically return to their medical providers for follow-up sessions where the medical provider...
US-7,555,204 Integrated recording and editing apparatus and system
A field editing system for editing materials in a material collecting place. Data for management of digital video and audio signals and data of an edit list are...
US-7,555,132 Apparatus and method for adjusting sound volume for televisions and other audio systems
An apparatus (10) for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system for controlling...
US-7,555,131 Multi-channel relative amplitude and phase display with logging
An audio test device and method provide a visual display of audio parameters for plural audio channels. One audio channel at least temporarily is deemed a...
US-7,555,130 Acoustic correction apparatus
An acoustic correction apparatus processes a pair of left and right input signals to compensate for spatial distortion as a function of frequency when the input...
US-7,555,124 Secure video system for display adaptor
A secure video system for a graphics display adaptor includes a module for decrypting a content signal from a media player or other secure content source. The...
US-7,555,117 Path change detector for echo cancellation
A path change is detected by multiplying the energy of a signal on the output of a summation circuit in one channel of a telephone by a constant to produce a...
US-7,555,116 Real time processing and management method for cancelling out the echo between a loudspeaker and a microphone...
The invention relates to a real time processing and management method for canceling out the echo between a loudspeaker (HP) and a microphone (M) of a computer...
US-7,555,081 Log-sampled filter system
This invention provides a filter system which may be implemented with less hardware and software resources than traditional filters. In addition, the filter...
US-7,555,065 Adaptive signal tuning for digital radio receivers operating in FM bands
A radio receiver for receiving analog signals in a Frequency Modulation (FM) band includes a hybrid/all digital decoder that decodes a digital audio signal. An...
US-7,555,017 Low latency digital audio over packet switched networks
Method and Apparatus for delivering audio signals from a source node to a destination node on a network. The apparatus uses a number of switches that transmit...
US-7,554,542 Image manipulation method and system
An animation system is made up of an audio analysis unit, having an audio output and a state change output, and a control unit having an input and an output, the...
US-7,554,445 Portable motion detector and alarm system and method
A portable security alarm system including a movement detecting and signal transmitting member for mounting on or proximate to the object whose movement is to be...
US-7,554,408 Apparatus and method for asymmetric charge pump for an audio amplifier
An audio amplifier with an integrated asymmetric charge pump is provided. The audio amplifier receives VDD and VSS as power supply signals. The integrated charge...
US-7,552,352 Synchronization of signals
A method and system for synchronizing signals. First and second signals are sent (compressed or uncompressed) from a source to a receiving apparatus of a...
US-7,552,054 Providing menu and other services for an information processing system using a telephone or other audio interface
A method and system for providing efficient menu services for an information processing system that uses a telephone or other form of audio user interface. In...
US-7,551,972 Audio signal processing apparatus
An audio signal encoding apparatus includes a device for compressing multiple-channel digital audio signals into compression-resultant multiple-channel signals...
US-7,551,940 Two-way voice communication device having external acoustic noise reduction
A two-way voice communication device which provides a high-level of acoustic noise reduction is disclosed. A resilient ear tip provides acoustic isolation and...
US-7,551,894 Wireless microphone
A wireless microphone (1) comprises a radio transmitter for transmitting radio signals carrying audio signals to a hearing device. The wireless microphone (1)...
US-7,551,889 Method and apparatus for transmission and receipt of digital data in an analog signal
Methods and apparatuses for processing transmissions and creating an album of audio content are described. In one arrangement, a combined signal including a...
US-7,551,842 Video player system and method of playback control using subtitle information
A system for playing video data and audio data and displaying subtitles includes a subtitle analyzer for analyzing the subtitles and providing subtitle display...
US-7,551,839 Method of generating video reproduction synchronizing signal, program for generating video reproduction...
Exemplary embodiments include a method of generating a video reproduction synchronizing signal to generate a video reproduction synchronizing signal to reproduce...
US-7,551,744 Display showing waveform of an audio signal and corresponding dynamic volume adjustments
A DSP (digital signal processor) processor having a gain reduction function processes an audio input signal to produce a current audio meter value, and a current...
US-7,551,743 Noise reduction apparatus and audio output apparatus
The FM broadcast is received and the FM demodulated FM composite signal is stereo demodulated, and when the high band components of the demodulated signal are...
US-7,551,675 Method and apparatus for synchronized transmission and reception of data in a digital audio broadcasting system
A method of transmitting digital audio broadcasting signals comprises the steps of generating a plurality of output frames of information to be transmitted,...
US-7,551,647 System and method for clock synchronization over packet-switched networks
Embodiments of the invention enable the synchronization of clocks across packet switched networks, such as the Internet, sufficient to drive a jitter buffer and...
US-7,551,600 Telephone terminal, call system, internet terminal and terminal control program
A call system for performing a voice call by an Internet call function using a known telephone terminal. In a multifunction machine serving as the telephone...
US-7,551,237 Television receiver having dual power circuits
When the main power supply is turned off, the power supply of a video display unit is turned off and the audio signal is muted. At the same time, a time counting...
US-7,551,228 Audio-video signal transceiving processing device
An audio-video (AV) signal transceiving processing device which includes a AV decoder, a bridge, and a bus interface, wherein the bus interface is a PCMCIA,...
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