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Searching: audio signal





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Patent # Description
US-8,315,554 Connected audio content
The presently claimed invention relates to connecting audio signals to associated information. One claim recites a method comprising: using a microphone,...
US-8,315,552 Body interactively learning method and apparatus
A body interactively learning method is disclosed, which comprises the steps of: turning on the power of a body interactively learning apparatus while selecting...
US-8,315,416 Necklace type detachable three dimensional sound reproduction apparatus
A necklace type sound reproduction apparatus is disclosed. The apparatus is detachable from a media player to be worn on a neck of a user. An acoustic sound...
US-8,315,411 Dynamic volume control and multi-spatial processing protection
A disclosed system and method dynamically controls the perceived volume of a stereo audio program including left and right channel signals. The system...
US-8,315,404 System for active noise control with audio signal compensation
An active noise control system generates an anti-noise signal to drive a speaker to produce sound waves to destructively interfere with an undesired sound in a...
US-8,315,403 Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus
To provide an audio reproduction apparatus in which a general user inputs simple and easy settings so that audio beams of respective channels can be set. When...
US-8,315,400 Method and device for acoustic management control of multiple microphones
An earpiece (100) and a method (640) for acoustic management of multiple microphones is provided. The method can include capturing an ambient acoustic signal...
US-8,315,399 Device for and a method of processing audio data
A device (500) for processing audio data (102) comprises an envelope detector (101) for detecting an envelope of the audio data (102) and a frequency generator...
US-8,315,398 System for adjusting perceived loudness of audio signals
A method of adjusting a loudness of an audio signal may include receiving an electronic audio signal and using one or more processors to process at least one...
US-8,315,396 Apparatus and method for generating audio output signals using object based metadata
An apparatus for generating at least one audio output signal representing a superposition of at least two different audio objects comprises a processor for...
US-8,315,385 Digital entroping for digital audio reproductions
The present invention provides a system and method for introducing white noises into a digital audio signal so that there is progressive and cumulative...
US-8,315,379 Single transducer full duplex talking circuit
A full duplex talking audio circuit uses a single transducer Z.sub.T which, even when various characteristics including the strength of a transmission signal...
US-8,314,893 Remote control and method for automatically adjusting the volume output of an audio device
Embodiments of a remote control and a method are provided for automatically adjusting the volume output of an audio device, such as a television. In one...
US-8,314,839 Concealments for components of a covert video surveillance system
A concealment (10) for equipment (13) including imaging devices, audio equipment, and sensors. The concealment comprises a frame (12) which, when assembled,...
US-8,314,696 Baby monitoring systems
There is provided a baby monitoring system comprising a baby unit and a parent unit, the baby unit being for use in the vicinity of a baby or child, the baby...
US-8,312,485 System, method and computer program product for selective filtering of objectionable content from a program
A system, method, and computer program product is provided for the selective filtering of objectionable content from a program. The selective filtering of...
US-8,311,843 Frequency band scale factor determination in audio encoding based upon frequency band signal energy
A method of encoding a time-domain audio signal is presented. In the method, an electronic device receives the time-domain audio signal. The time-domain audio...
US-8,311,821 Parameterized temporal feature analysis
A method (1) for classifying at least one audio signal (A) into at least one audio class (AC), the method (1) comprising the steps of analyzing (10) said audio...
US-8,311,817 Systems and methods for enhancing voice quality in mobile device
Provided are methods and systems for enhancing the quality of voice communications. The method and corresponding system may involve classifying an audio signal...
US-8,311,816 Noise shaping for predictive audio coding apparatus
An information coding apparatus includes a predictive signal generator that generates a predictive signal; a predictive residual signal generator that generates...
US-8,311,810 Reduced delay spatial coding and decoding apparatus and teleconferencing system
The delay in a multi-channel audio coding apparatus and a multi-channel audio decoding apparatus is reduced. The audio coding apparatus includes: a downmix...
US-8,311,809 Converting decoded sub-band signal into a stereo signal
Synthesizing an output audio signal is provided on the basis of an input audio signal, the input audio signal comprising a plurality of input sub-band signals,...
US-8,311,590 System and method for improved loudspeaker functionality
An electronic device comprises a microphone, a transceiver circuit, a loudspeaker, a sense element and a processing circuit. The microphone is configured to...
US-8,311,499 System and method for providing automatic tuning of a radio receiver and for providing automatic control of a...
A sound system with a radio receiver having the ability to automatically tune to a new radio station if (a) the current radio station is broadcasting a song,...
US-8,311,386 Control signal transmitting and receiving techniques for video/audio processing IC and apparatus therefor
Control signal transmitting and receiving methods for video/audio processing integrate circuit (IC), the method applied to a video player, and an apparatus...
US-8,311,262 Loudspeaker ceiling mount bracket
A ceiling mount bracket for a loudspeaker. The ceiling mount bracket includes a mounting plate; an assembly to orient the loudspeaker; an assembly to receive...
US-8,311,260 Miniature stereo audio earphones
A miniature audio earphone includes a pair of audio earphones, an electrical connector adapted for making a selectively detachable physical and electrical...
US-8,311,254 Speaker system
An audio speaker comprises three modules stacked on one another to form a tower. The bottom module generates a magneto-strictive output that is coupled to the...
US-8,311,253 Earpiece positioning and retaining
An earpiece. The earpiece includes an electronics module for wirelessly receiving incoming audio signals from an external source. The earpiece further includes...
US-8,311,243 Energy-efficient consumer device audio power output stage
An energy-efficient consumer device audio power output stage provides improved battery life and reduced power dissipation. A power supply having a selectable...
US-8,311,242 Amplifying an audio signal
A method of amplifying an output signal from a microphone or audio transducer so as to introduce a controllable degree of distortion for inputs having a wide...
US-8,311,241 Microphone circuit
An infrared light emitting diode circuit and related methods are disclosed. Exemplary features of embodiments comprise circuitry for controlling the voltage...
US-8,311,240 Audio signal processing apparatus and audio signal processing method
An audio signal processing apparatus includes a high-frequency components extraction means for extracting high-frequency components higher than a predetermined...
US-8,311,239 Method and apparatus for audio bass enhancement using stereo speakers
Provided are a method and apparatus for audio bass enhancement using stereo speakers. By filtering a baseband signal of an input signal whose frequency is lower...
US-8,311,238 Audio signal processing apparatus, and audio signal processing method
An audio signal processing apparatus includes: a dividing section dividing each of audio signals of a plurality of channels into a plurality of frequency bands;...
US-8,311,234 Echo canceller and communication audio processing apparatus
Disclosed herein is an echo canceller for use in a sound reinforcement communication system configured to carry out a sound reinforcement communication by...
US-8,311,233 Position sensing using loudspeakers as microphones
A multi-channel audio system having multiple loudspeakers is used to obtain information on the location of one or more independent noise sources within an area...
US-8,311,230 Speaker systems and methods having amplitude and frequency response compensation
A speaker system and method, in which the intelligibility of reproduced speech or music sound, derived from an audio program signal, is enhanced by means of at...
US-8,311,228 Ear input sound pressure level monitoring system
Systems and methods for monitoring a sound pressure level dose at an ear are provided. A system includes an audio transducer which outputs a sound signal is...
US-8,311,227 Method and an apparatus for decoding an audio signal
A method for processing an audio signal, comprising: receiving a downmix signal in time domain; if the downmix signal corresponds to a mono signal, bypassing...
US-8,311,093 Signal transmission apparatus and signal transmission method
When transmitting an input image signal and an audio signal inputted in synchronization with the input image signal, each frame in the input image signal are...
US-8,311,085 Digital intercom network over DC-powered microphone cable
A digital intercom system provides DC power and multi-channel bidirectional digital communications over existing cabling such as microphone cabling used in...
US-8,310,965 Buffered audio system with synchronizing bus controller
An audio system includes an audio client device and an access point. The audio client device includes a buffer, a clock generator, a bus controller, a bus...
US-8,310,454 Translucent touch screens including invisible electronic component connections
Disclosed is a touch screen of semi-transparent mesh that may be utilized by, for example, a mobile communication device. The mesh may be utilized for both a...
US-8,310,313 Highly efficient class-G amplifier and control method thereof
A highly efficient class-G amplifier includes an amplifier circuit coupled between a positive power rail and a negative power rail to amplify an audio input...
US-8,309,835 Signal distribution within modular structures facilitating aggregated and field-customized musical instruments
A signal distribution system for a customizable aggregated musical instrument is described. The signal distribution system interfaces with a plurality of...
US-8,309,834 Polyphonic note detection
Processor-implemented methods and systems for polyphonic note detection are disclosed. The method includes converting a portion of a polyphonic audio signal...
US-8,308,558 Universal tactile feedback system for computer video games and simulations
A universal tactile feedback system for computer and video game systems is disclosed which provides real time tactile feedback to enhance a user's experience...
US-8,306,828 Method and apparatus for audio signal expansion and compression
An audio signal expansion and compression method for expanding and compressing an audio signal in a time domain, includes the steps of setting an initial value...
US-8,306,827 Coding device and coding method with high layer coding based on lower layer coding results
A coding device is provided with features in which optimum coding in a higher layer is flexibly carried out based on a coding result of a lower layer and a...
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