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Searching: audio signal





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Patent # Description
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.
US-8,918,319 Speech recognition device and speech recognition method using space-frequency spectrum
In a speech recognition device and a speech recognition method, a key phrase containing at least one key word is received. The speech recognition method...
US-8,918,313 Replay apparatus, signal processing apparatus, and signal processing method
A method of selectively performing signal processing in a first mode and in a second mode. In the first mode, a noise cancel signal having a signal...
US-8,918,146 Automatic gain control based on detected pressure
A method and apparatus is provided for adjusting the gain imparted to a signal by an audio transducer such as a microphone and/or a speaker, which is employed...
US-8,918,140 Portable audio/video playback apparatus
A portable audio/video playback apparatus of the present invention comprises an apparatus main body 1 and a broadcast receiver unit 4 removably attached to the...
US-8,917,890 Apparatus, systems and methods for relieving tinnitus, hyperacusis and/or hearing loss
A system and method for relieving tinnitus, hyperacusis, and/or hearing loss is described. One method described includes manipulating an audio signal,...
US-8,917,888 Control terminal apparatus and control method
A control terminal apparatus includes a transmission unit transmitting a control signal to audio output apparatuses, a display unit, an operation detector...
US-8,917,886 Method of distortion-free signal compression
An audio signal in which an audio signal is received as a stream of digital samples, each being a numerical value representing a sampled signal level. A first...
US-8,917,885 Loop gain estimating apparatus and howling preventing apparatus
A pseudo noise superimposing unit superimposes a pseudo noise (M-sequence) to an audio signal picked up by a microphone and outputs the superimposed signal to...
US-8,917,880 Earhealth monitoring system and method I
Methods of operating an audio device are provided. A method includes calculating estimated sound pressure levels (SPLs) for drive signals directed to an ear...
US-8,917,874 Method and apparatus for decoding an audio signal
Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes extracting a downmix signal and spatial...
US-8,917,873 Method and apparatus for reducing TDMA noise in mobile communication terminal
A mobile terminal includes an apparatus for reducing Time Division Multiple Access (TDMA) noise in the mobile communication terminal. The apparatus includes a...
US-8,917,864 Full-duplex audio communication terminal
A full duplex audio communication terminal (100) comprises a noise attenuation module (4) arranged on a transmission path of the terminal. The noise attenuation...
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