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Searching: audio signal





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Patent # Description
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...
US-8,917,833 System and method for non-privacy invasive conversation information recording implemented in a mobile phone device
A method of recording audio/video or a combination of audio/video information on a local, possibly mobile, device while in a live communication with one or more...
US-8,917,639 Eliminating false audio associated with VoIP communications
Embodiments are directed to eliminating false audio using an egress gateway in a communications network. At least one false audio packet is received by an...
US-8,917,187 Multi-function flare device for populated areas
The invention disclosed herein is a securely attached portable, wearable device to enhance safety, visibility and communication capability of safety personnel...
US-8,917,186 Audio monitoring and sound identification process for remote alarms
In a computer-implemented method for remote monitoring of one or more alarms, an audio signal is received. The received audio signal is processed using an audio...
US-8,917,143 Method and apparatus for filter-less analog input class D audio amplifier clipping
An integrated circuit (IC) chip has a class D PWM (pulse width modulation) amplifier configured for generating first and second PWM signals. The class-D PWM...
US-8,914,823 A/V parental lock apparatus and method
Provided are an apparatus and method for restricting A/V listening and viewing using parental levels. According to an embodiment of the present invention, a...
US-8,914,818 Media device power management techniques
Techniques and architecture are disclosed for managing power use during operation of an electronic device capable of processing and/or playback of audio and/or...
US-8,914,614 Data gathering/data processing device for video/audio signals
In order to create a data gathering/data processing device for video/audio signals which includes a plurality of signal processors and which has an optimized...
US-8,914,552 Detecting accessories on an audio or video jack
A detection circuit can be configured to receive a digital value from an identification register and to determine a resistance at a conducting terminal of an...
US-8,914,295 Apparatus and method for providing messages in a social network
A system that incorporates teachings of the present disclosure may include, for example, a server including a controller to receive audio signals and content...
US-8,914,281 Method and apparatus for processing audio signal in a mobile communication terminal
A method and an apparatus for processing an audio signal in a mobile terminal, in which an audio signal that is received from a counterpart mobile terminal is...
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