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Searching: audio signal





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Patent # Description
US-8,929,806 Passively powering a wireless communications device
A wireless device includes an RF interface, logic circuitry, power circuitry, an impedance matching transformer, and a transducer. The RF interface is...
US-8,929,575 Hearing enhancement systems and methods
Systems and methods for providing audio content and hearing-enhancement devices are provided. Systems and methods can be tailored to providing audio content to...
US-8,929,573 Powered headset accessory devices
A device for coupling to a connector on an ear cup of a headset includes a mating connector corresponding to the connector of the headset. The mating connector...
US-8,929,571 Method for creating an audio environment having N speakers
Method for creating an audio environment having N speakers HP.sub.i, .sub.i=1 . . . N fed by N signals S.sub.i, .sub.i=1 . . . N generated from M theoretical...
US-8,929,568 Bandwidth extension of a low band audio signal
Estimation of a high band extension of a low band audio signal includes the following steps: extracting (S1) a set of features of the low band audio signal;...
US-8,929,567 Equalization profiles for dynamic equalization of audio data
Apparatuses for and methods of carrying out dynamic equalization processing of an audio signal, and apparatuses for and methods of controlling such equalization...
US-8,929,566 Audio processing in a portable listening device
The invention relates to a method of processing an audio signal in a portable listening device, the audio signal comprising a low frequency part having an...
US-8,929,563 Wireless power transmission audio system and device on transmitting end and loudspeaker for use in such a system
The transmitter of a wireless power transmission audio system includes: a transmission signal generating section for generating a transmission signal comprised...
US-8,929,561 System and method for automated audio mix equalization and mix visualization
Disclosed herein are systems, methods, and non-transitory computer-readable storage media for automatically analyzing, modifying, and mixing a plurality of...
US-8,929,560 Method and apparatus for audio processing
A method and apparatus for introducing a time-varying time delay randomly into the individual reproduction channels of a sound recording, two in the case of...
US-8,929,558 Audio signal of an FM stereo radio receiver by using parametric stereo
The invention relates to an apparatus for improving a stereo audio signal of an FM stereo radio receiver. The apparatus comprises a parametric stereo (PS)...
US-8,929,556 Audio-signal processing device and method for processing audio signal
An audio-signal processing device that processes an audio signal and supplies the audio signal to an audio output unit includes a characteristic-component...
US-8,929,442 System and methods for video and audio data distribution
Data compression and decompression methods for compressing and decompressing data based on an actual or expected throughput (bandwidth) of a system. In one...
US-8,928,821 TV and audio processing method thereof
A television (TV) includes an audio signal processing unit which processes a audio signal, a display unit which displays an audio quality setting state, a...
US-8,925,817 Card reader and method of use thereof
An integrated circuit that communicates with a host device via audio channels includes an interfacing circuit that receives and transmits analog signals on the...
US-8,925,674 Phase correcting canalphone system and method
A canalphone system may include a high audio driver carried by a canalphone housing, and a low audio driver carried by the canalphone housing adjacent to the...
US-8,925,485 Intelligent pet-feeding device
An intelligent pet-feeding device is disclosed, which comprises: a frame, configured with at least one opening; a storage tank, for storing at least one kind of...
US-8,924,222 Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
A scheme for coding a set of transform coefficients that represent an audio-frequency range of a signal uses a harmonic model to parameterize a relationship...
US-8,924,217 Communication converter for converting audio information/textual information to corresponding textual...
A communication converter is described for converting among speech signals and textual information, permitting communication between telephone users and textual...
US-8,924,205 Methods and systems for automatic enablement or disablement of noise reduction within a communication device
The invention automatically enables and disables noise reduction based on a noise threshold. This threshold can be pre-defined by a user for a particular...
US-8,924,203 Apparatus and method for coding signal in a communication system
Disclosed are an apparatus for coding a signal in a communication system including: a coding unit configured to code voice and audio signals based on a code...
US-8,924,202 Audio signal coding system and method using speech signal rotation prior to lattice vector quantization
An apparatus configured to model an encoded signal to estimate at least one distribution of the signal, rotate the signal with respect to a lattice, for lattice...
US-8,924,201 Audio encoder and decoder
The present invention teaches a new audio coding system that can code both general audio and speech signals well at low bit rates. A proposed audio coding...
US-8,924,200 Audio signal bandwidth extension in CELP-based speech coder
A method for decoding an audio signal in a decoder having a CELP-based decoder element including a fixed codebook component, at least one pitch period value,...
US-8,923,997 Method and apparatus for adjusting a speaker system
Certain embodiments provide methods and systems for managing a sound profile. An example method includes accessing a playback device on a network. The example...
US-8,923,930 Hearing assistive system with low power interface
A communications interface provides for communications between a wireless communication device and a hearing assistive device. The communications interface...
US-8,923,929 Method and apparatus for allowing any orientation answering of a call on a mobile endpoint device
A method, non-transitory computer readable medium, and apparatus for processing a call on a mobile endpoint device in any orientation are disclosed. For...
US-8,923,928 Audio playback apparatus, control and usage method for audio playback apparatus, and mobile phone terminal with...
An audio playback apparatus includes an integrated circuit in which an FM reception circuit and a near field wireless communication circuit are integrated and...
US-8,923,755 Radio repeater system
A system and/or method for facilitating wireless communication in an area where it is difficult to transmit and receive signals may use a preexisting wired...
US-8,923,541 Two-piece sound processor system for use in an auditory prosthesis system
An exemplary system includes 1) a headpiece module configured to be affixed to a head of a patient and comprising a primary sound processor configured to...
US-8,923,538 Method and device for frequency compression
Artifacts are reduced during a frequency compression of an audio signal in a hearing device, in particular in a hearing aid. An amplitude information of a...
US-8,923,534 Earphone
An earphone includes a loudspeaker, a signal process, an audio signal input port, and a driving port. The loudspeaker includes a thermoacoustic device disposed...
US-8,923,526 Audio device
An audio device (e.g. an AV amplifier), with a plurality of audio output terminals according to the HDMI standard, converts audio data of a source device into...
US-8,923,523 Selective filtering earplugs
The selective filtering earplugs allow a user to filter most external and environmental sounds, only allowing a set of pre-approved sounds to be heard by the...
US-8,923,512 Circumvention of dynamic, robust, embedded-signal detection
Described herein is a technology facilitating circumvention of dynamic and robust detection of one or more embedded-signals (e.g., watermark, copyright notice,...
US-8,923,325 Client-server architecture for audio-video communications
A method enabling VoIP communication sessions between a VoIP based client application and a non-VoIP standards based client application. The method includes...
US-8,922,645 Environmental reproduction system for representing an environment using one or more environmental sensors
A environmental reproduction system multiplexes information from a variety of sources to reproduce a target environment having visual and/or auditory...
US-8,922,632 Guide system having function of real-time voice response for the visually impaired and method thereof
The present invention is directed to a guide system having a function of a real-time voice response for the visually impaired and a method thereof. The guide...
US-8,922,378 Dispensing and accountability system and method for assuring washing of hands
A dispensing and accountability system for assuring washing of a person's hands includes at least one passive infrared detector adapted to detect the presence...
US-8,922,335 Safe weapon container for securely releasing a defense weapon
A weapons container for releasing a defense weapon includes a cabinet, a cabinet door, and an interior securing the defense weapon. Upon detection of a...
US-8,922,278 Versatile audio power amplifier
An audio power amplifier includes a first and a second amplification unit, each including a switching voltage amplifier, an output filter, a current...
US-8,922,277 Switching power amplifier and method of controlling the same
A switching power amplifier having a pulse width modulation (PWM) signal generation unit that converts an input audio signal into a PWM signal with a...
US-8,922,158 Portable electronic device chargeable via at least one speaker port
A portable electronic device chargeable via at least one speaker port is provided. The portable electronic device comprises a housing containing: a processing...
US-8,919,665 Outdoor shower device
An outdoor shower device, comprising a water storage module, a power supply module, a heating module, a control module, a water supply module and an alarm...
US-8,918,940 Interactive toothbrush and removable audio output module
An apparatus may include a connection component configured to connect the apparatus to any one of a plurality of different apparatuses. A toothbrush may include...
US-8,918,823 Digital decoder having a so-called "playback" mode of operation and comprising two buffer memories
A digital decoder for television receiver, comprises an input (E) for receiving a digital audio/video signal (SAV), means for demodulating and decoding the...
US-8,918,802 Methods and apparatus to monitor media exposure
Methods and apparatus to monitor media exposure are disclosed. An example implementation includes transmitting a start signal from a mailable meter to at least...
US-8,918,801 Transmission apparatus, transmission method, reception apparatus, reception method, program, and broadcasting...
Disclosed herein is a transmission apparatus for transmitting AV (Audio/Video) content, including: an acquirer configured to acquire an estimated number of...
US-8,918,541 Synchronization of audio and video signals from remote sources over the internet
The present invention is an architecture and technology for a method for synchronizing multiple streams of time-based digital audio and video content from...
US-8,918,324 Method for decoding an audio signal based on coding mode and context flag
A method for coding and decoding an audio signal or speech signal and an apparatus adopting the method are provided.
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