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Searching: audio signal





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Patent # Description
US-8,346,311 Audio signal processing apparatus, audio signal processing method, and communication terminal
An audio signal processing apparatus includes a band signal component extraction unit for extracting signal components in a predetermined frequency band from an...
US-8,346,188 Nonlinearity calibration scheme for a frequency modulation transmitter
A nonlinearity calibration system and method for a frequency modulation (FM) transmitter. A nonlinearity calibration system for a FM transmitter includes a...
US-8,346,165 Diver audio communication system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,346,164 Underwater communication system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,346,052 Data transmission and reception system, data repeating apparatus, data receiving apparatus, data repeating...
In an HDMI-connected AV system, bidirectional data transmission between two devices is implemented at low cost. An audio amplifying device serving as an HDMI...
US-8,345,913 Headphone with restraint and methods
A headphone having reduced-tangling potential includes an audio plug for receive electrical signals from an audio device, coupled via wires to ear buds, wherein...
US-8,345,902 Hearing aid with means for decorrelating input and output signals
A hearing aid includes a microphone for converting sound into an audio input signal, a hearing loss processor configured for processing the audio input signal...
US-8,345,901 Dynamic noise reduction in auditory prosthesis systems
An exemplary method of dynamically adjusting an amount of noise reduction applied in an auditory prosthesis system includes dividing an audio signal presented...
US-8,345,900 Method and system for providing hearing assistance to a user
There is provided a method for providing hearing assistance to a user (101, 301), comprising: capturing audio signals by a microphone arrangement (26)...
US-8,345,893 Sound volume controller
A sound volume controller includes a level adjustment section that adjusts a level of an input audio signal and outputs the adjusted input audio signal as an...
US-8,345,889 Wireless transmission-AV system of outdoor furniture
A wireless transmission-AV system for an outdoor furniture includes a speaker unit built-in with a furniture frame and a wireless control electrically connected...
US-8,345,887 Computationally efficient synthetic reverberation
A digital audio signal processor uses a matrix transform to produce a multi-channel synthetic reverberation signal based on variably-delayed versions of an...
US-8,345,886 Method and apparatus for detecting malfunctioning speaker
A method and apparatus for detecting a malfunctioning speaker are provided. The apparatus detects a speaker abnormality by identifying the state of the speaker...
US-8,345,883 Audio playback method and apparatus using line array speaker unit
A multi-channel audio system is constituted using at least one line array speaker unit, in which plural speakers are arrayed in line, wherein the same audio...
US-8,345,870 Method and apparatus for encrypting encoded audio signal
Advanced solutions for encrypting multi-layer audio data are required, ie. audio data that comprise a base layer and one or more enhancement layers. A method...
US-8,345,674 Network system and audio signal processor
An audio network system that performs transport of audio signals between nodes by cascading a plurality of nodes each including two sets of transmission I/Fs...
US-8,345,169 Signal transmitter and signal receiver
In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a...
US-8,345,153 Camera system and its control method
A camera system according to an embodiment includes a camera device, a control device, and an application server. The camera device, which includes a camera...
US-8,345,079 Camera service port and remote camera system
A camera service port has an automatic termination for connecting to a near-side monitor. The camera service includes an audio jack and a phone jack. The audio...
US-8,341,672 Systems, methods and computer readable media for instant multi-channel video content browsing in digital video...
Disclosed are a method, apparatus, system, and computer readable media containing instructions for preparing and displaying a plurality of audio-visual signals...
US-8,341,665 Providing content responsive to multimedia signals
A method of providing information including providing a communication session of at least one of audio and video media and applying automatic recognition to...
US-8,340,977 Compensation technique for audio decoder state divergence
A system and method is described for compensating for the effects of a corrupted Continuously Variable Delta Slope Modulation (CVSD) decoder memory state on a...
US-8,340,976 Method and apparatus for generating an enhancement layer within a multiple-channel audio coding system
A method and apparatus are disclosed for generating a coded audio signal based on a multiple channel audio input signal. A balance factor having balance factor...
US-8,340,964 Speech and music discriminator for multi-media application
The present invention relates to means and methods of classifying speech and music signals in voice communication systems, devices, telephones, and methods, and...
US-8,340,963 Echo suppressing system, echo suppressing method, recording medium, echo suppressor, sound output device, audio...
An echo suppressing system includes: a sound output device for outputting sound based on a sound signal, including a passing section for allowing passage of a...
US-8,340,962 Method and apparatus for adaptively encoding and decoding high frequency band
Provided are a method and apparatus for encoding and decoding an audio signal. According to the present application, a signal of a high frequency band above a...
US-8,340,798 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof are disclosed. The preset invention includes a signal receiving unit a plurality of preset...
US-8,340,656 Systems and methods for synchronizing data transmission over a voice channel of a telephone network
Various embodiments facilitate data communication between a client device and a remote device over a voice channel of a telephone system. In one embodiment, the...
US-8,340,570 Using radio frequency tuning to control a portable audio device
A method for controlling a portable audio device using radio frequency tuning is provided. A radio signal transmitter device communicatively coupled to the...
US-8,340,529 HDMI TMDS optical signal transmission using PAM technique
An HDMI interconnect arrangement is presented that performs a pulse-amplitude modulation (PAM) conversion of the TMDS audio/video signals in order to...
US-8,340,335 Hearing device with semipermanent canal receiver module
A modular canal hearing device having a speaker module placed in the bony region for extended wear while a main module is removably inserted in the ...
US-8,340,331 Communication system
A system for assisting a hearing impaired user is presented. The system includes a transmitter to transmit data representing audio intended to be heard by a...
US-8,340,330 Audio apparatus for wirelessly transmitting audio signal, audio system, and audio signal transmission method...
An audio apparatus includes a main unit to extract audio signals for at least two channels from a multichannel audio signal; and a transmitter to wirelessly...
US-8,340,325 Method and an apparatus for decoding an audio signal
A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a multi-channel...
US-8,340,322 Acoustic processing device
An acoustic processing device includes an input section to which audio signals of a plurality of channels respectively including in-phase components are input,...
US-8,340,319 Playback device, playback method and playback system
A playback device includes: a playback portion that plays back content and outputs at least an audio signal; an acquisition portion that acquires an external...
US-8,340,317 Stereo audio-signal processing system
An audio processing system is provided for controlling the acoustics of a loudspeaker-room system. The loudspeaker-room system having a listening room and...
US-8,340,314 Audio system for a passenger aircraft and method for controlling same
An audio system for an aircraft passenger cabin and a method for controlling such an audio system for providing passengers with information programs, in which...
US-8,340,313 Wireless digital transmission of low frequency effects and surround channels for surround sound system
A subwoofer is equipped with a wireless receiver to receive signals containing information for a Low Frequency Effects (LFE) channel and information for both...
US-8,340,312 Differential mode noise cancellation with active real-time control for microphone-speaker combinations used in...
An audio host device has an electrical interface having a speaker contact, a microphone contact, and a reference contact. The reference contact is shared by a...
US-8,340,311 Voice amplification system for signal calling during the play of a sports competition
A system that allows the teammates of an individual (such as a quarterback on a football team) to hear signals being called by that individual during the course...
US-8,340,310 Diaphonic acoustic transduction coupler and ear bud
The disclosed methods and devices incorporate a novel expandable bubble portion which provides superior fidelity to a listener while minimizing listener...
US-8,340,308 Method and apparatus for automatic noise compensation used with audio reproduction equipment
A method and an apparatus for automatic noise compensation used with audio reproduction equipment are provided. The method comprises: (a) collecting a plurality...
US-8,340,307 Passive sound pressure level limiter
A passive sound pressure level (SPL) limiter is provided that can be used with audio sources of varying drive levels and headsets, earbuds, etc. of varying...
US-8,340,305 Audio encoding method and device
Audio encoding method and device comprising the transmission, in addition to the data representing a frequency-limited signal, of information relating to a...
US-8,340,302 Parametric representation of spatial audio
In summary, this application describes a psycho-acoustically motivated, parametric description of the spatial attributes of multichannel audio signals. This...
US-8,340,269 Method, device, and system for processing multi-channel audio signals
A method for processing multi-channel audio signals includes receiving L channel audio signals from participating conference terminals, decoding the L channel...
US-8,340,138 Interface circuit
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
US-8,340,078 System for concealing missing audio waveforms
In one embodiment, a method can include: (i) establishing an internet protocol (IP) connection; (ii) forming a buffered version of a plurality of voice frame...
US-8,339,522 Liquid crystal panel, plasma display panel, and wide-screen liquid crystal television
There is provided a liquid crystal television and a plasma television that can adapt to various destinations and are resistant to noise in view of the...
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