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Searching: audio signal





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Patent # Description
US-8,135,066 Control of data processing
Data processing apparatus arranged to receive successive images from a video camera and to receive audio data from a microphone comprises means for detecting...
US-8,134,909 Optical information storage medium, optical information storage medium playback apparatus, method of...
A super resolution medium (1) is provided with an information signal region (11) where a content, such as a video or audio content, is recorded and a test read...
US-8,134,650 Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
US-8,134,644 Audio synchronizer control and communications method and apparatus
In television type systems having separate data, audio and video portions, it is desirable to maintain or correct the relative timing of the signals by delaying...
US-8,134,385 Split cascode line amplifier for current-mode signal transmission
Current-mode transmission is implemented in a cascode amplifier by splitting a cascode circuit into a front end and a back end to ensure wideband current-mode...
US-RE43,234 Method, apparatus and system for image projection lighting
A central controller and a number of image projection lighting devices ("IPLD"), a type of multiparameter light, are interconnected by an enhanced performance...
US-8,131,544 System for distinguishing desired audio signals from noise
A system distinguishes a primary audio source and background noise to improve the quality of an audio signal. A speech signal from a microphone may be improved...
US-8,131,543 Speech detection
The subject matter of this specification can be embodied in, among other things, a method that includes receiving an audio signal, determining an ...
US-8,131,391 Wireless digital audio music system
A wireless digital audio system includes a portable audio source with a digital audio transmitter operatively coupled thereto and an audio receiver operatively...
US-8,131,386 Method and apparatus for simplified interconnection and control of audio components of an home automation system
A method and apparatus for distributing stereo signal of an audio system integrated with an home automation system. The audio system is further integrated with...
US-8,131,321 Vibration motor as a transducer of audio
A portable electronic device, such as a pager or a mobile station, has a housing and a vibration motor coupled to the housing for imparting vibration to it....
US-8,131,315 Wireless electronic device with multimode audio amplifier
An electronic device such as a handheld electronic device may include wireless communications circuitry. The wireless communications circuitry may include a...
US-8,131,280 Wireless terminal, base device, wireless system, wireless terminal control method, wireless terminal control...
A wireless AV system includes a central wireless unit, serving as a base device, and a TV main unit. The TV main unit includes an SS transmitter/receiver (T/R)...
US-8,131,133 System and method for modifying broadcast signals in closed circuit systems
A system and method are disclosed for modifying a television broadcast signal. In one embodiment, the system includes a memory that stores an alternate...
US-8,131,128 Audiovisual system and control method thereof
In an audiovisual system in which a TV, an AV amplifier, a DVD player and the like are combined, another device constituting the system is automatically set to...
US-8,130,998 Miniature speaker device and television set
A miniature speaker device includes a housing, a speaker mounted on the housing, a passive radiator mounted on the housing and vibrating in resonance with...
US-8,130,988 Method and apparatus for reproducing audio signal
An audio signal is supplied to a loudspeaker array to perform wavefront synthesis. A virtual sound source is produced at an infinite distance using wavefront...
US-8,130,980 Automatic gain control circuit for volume control and corresponding method for volume control
There is provided an automatic gain control circuit for volume control receiving at least one audio signal input via either a wired connection or a wireless...
US-8,130,977 Cluster of first-order microphones and method of operation for stereo input of videoconferencing system
An arbitrarily positioned cluster of three microphones can be used for stereo input of a videoconferencing system. To produce stereo input, right and left...
US-8,130,973 Superdirectional acoustic system and projector
A superdirectional acoustic system for reproducing a sound signal supplied from a real sound source by using a superdirectional speaker and producing a virtual...
US-8,130,972 Audio reproducing apparatus and program
A reproducing apparatus includes: a connecting part which is connected to an audio signal output apparatus through the three pole terminal; a storage part which...
US-8,130,969 Multi-channel echo compensation system
An echo compensation system may remove undesirable audio signals. The echo compensation system may utilize adaptive filters to remove echoes and undesirable...
US-8,130,844 Apparatus and method for synchronized playback
A synchronized playback apparatus for outputting a video and audio signal from superimposed video and audio data respectively that includes a video buffer for...
US-8,130,811 Assessing quality of service using digital watermark information
The disclosure details methods of measuring the quality of service of received media signals by analyzing digital watermarks embedded in such signals. The...
US-8,130,495 Audio amplifier in compact case with peak voltage and current limiting circuit and thermal cooling tunnel
An audio sound system has a printed circuit board disposed within a compact case. The PCB has a power conversion circuit for generating an operating potential,...
US-8,129,607 Electromagnetic field pickup for musical instruments
An electromagnetic field pickup (10) for a musical instrument including an electromagnetic signal generator (12), an electromagnetic field transducer (18), a...
US-8,127,334 Audio/video and data signal redistribution system
A system for redistributing a multiple input audio/video and data signals having a redistributing device equipped to receive signals in a multiple formats and...
US-8,127,231 System and method for audio equalization
The present disclosure relates to audio equalization devices and methods. A system is provided that permits frequency equalization or balancing of frequency...
US-8,127,037 System and method for listening to teams in a race event
A computer-implemented method and system allows a remote computer user to listen to teams in a race event. The method includes receiving audio signals from a...
US-8,126,709 Broadband frequency translation for high frequency regeneration
An audio signal is conveyed more efficiently by transmitting or recording a baseband of the signal with an estimated spectral envelope and a noise-blending...
US-8,126,706 Music detector for echo cancellation and noise reduction
An audio signal is divided among exponentially related subband filters. The spectral flatness measure in each subband signal is determined and the measures are...
US-8,126,578 Clipped-waveform repair in acoustic signals using generalized linear prediction
A method and system for optimally repairing a clipped audio signal. Clipping occurs when a waveform exceeds a dynamic range of a recording device. Portions of...
US-8,126,394 Purposeful receive-path audio degradation for providing feedback about transmit-path signal quality
A technique applicable to a telecommunications system is disclosed that provides quality-related information in a receive path, in which the information serves...
US-8,126,391 Method and system for single chip satellite set-top box system
A system for an integrated set-top box may include a single integrated circuit chip (SICC). The SICC may include a first satellite receiver demodulator, at...
US-8,126,183 Audio source tracking arrangement
An audio source tracking arrangement, integrated in or connected to a video conference system, for determining a position of a source creating a sound,...
US-8,126,182 Sound effect system and wireless audio output device
This invention discloses a sound effect system and a wireless audio output device. An audio is produced by the sound effect system which is applied in a...
US-8,126,181 Acoustic system
In addition to output the mid-high range audio sound from the speakers of the main unit, the present invention can output the low range audio sound according to...
US-8,126,172 Spatial processing stereo system
A spatial processing stereo system ("SPSS") that receives audio signals and a limited number of user input parameters associated with the spatial attributes of...
US-8,126,165 Condenser microphone
A condenser microphone comprising: a mic capsule in which a capacitor is composed of a diaphragm and a counter electrode, and which effects electroacoustic...
US-8,126,164 Digital compensation of analog volume control gain in a digital audio amplifier
A digital audio system including a combination of analog and digital volume control is disclosed. A variable power supply voltage biases a power amplifier for...
US-8,126,162 Audio signal interpolation method and audio signal interpolation apparatus
An audio signal interpolation apparatus is configured to perform interpolation processing on the basis of audio signals preceding and/or following a...
US-8,126,156 Calibrating at least one system microphone
A system including at least one system microphone, a processor connected to computer readable memory and the at least one system microphone, a measurement...
US-8,126,155 Remote audio device management system
An audio device management system (ADMS) manages remote audio devices via user selections in video links. The system enhances audio acquisition quality by...
US-8,126,151 Audio signal processing circuit
An audio signal processing circuit comprising: a holding circuit configured to receive a clock signal and set data corresponding to the clock signal, and to...
US-8,126,129 Adaptive audio conferencing based on participant location
An audio conferencing method is disclosed in which the geographic location of the participants is used as a basis to adaptively mix audio signals. In...
US-8,126,064 Transmission device
The identification information processing unit receives identification information identifying the reception device from a reception device, and generates...
US-8,126,029 Voice interference correction for mixed voice and spread spectrum data signaling
A method, a process and an audio system for embedding bit stream in a voice signal is disclosed. A voice/data interference signal is composed and supplied to...
US-8,125,577 Integrated power center and mount system for flat screen video displays and projectors with wireless signal...
A power center system for use with video display devices having a housing 2 for power conditioning circuitry for ameliorating electrical anomalies, housing 2...
US-8,125,568 Muting device and muting method
A muting device includes an external sound input unit that receives an external sound and an internal sound input unit that only receives an internal sound. The...
US-8,125,485 Animating speech of an avatar representing a participant in a mobile communication
Animating speech of an avatar representing a participant in a mobile communication including selecting one or more images; selecting a generic animation...
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