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Searching: audio signal





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Patent # Description
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...
US-8,339,371 User interface device for controlling an audio visual system
A user interface device for controlling an audio visual system. In one embodiment, a device for interfacing with an audio/visual system includes a sensor mat...
US-8,336,771 Payment card terminal dongle for communications devices
A dangle, which plugs into the audio/earpiece jack of host devices, allows them to accept payment cards as a point of sale (POS) terminal. It contains a...
US-8,336,769 Banking system operated responsive to data read from data bearing records
A banking system includes automated banking machines that operate responsive to data read from data bearing records. Transactions may also be carried out...
US-RE43,872 Headset for use with a communication and/or multimedia device
A headset is proposed for use with a communication and/or multimedia device, said headset comprising an interface for receiving input data, a processing unit...
US-8,336,106 Method to control the access to conditional access audio/video content
The present invention aims at solving the financial revenue loss due to the presence of digital video recorders that allow skipping the commercial breaks. The...
US-8,335,684 Interchangeable noise feedback coding and code excited linear prediction encoders
A system and method for encoding and decoding speech signals that includes a specially-designed Code Excited Linear Prediction (CELP) encoder and a vector...
US-8,335,579 Restoring corrupted audio signals
A method of restoring a corrupted audio signal includes the steps of inputting the corrupted audio signal in a first channel, inputting one or more further...
US-8,335,576 Methods and apparatus for bridging an audio controller
The present invention enables the transparent bridging of an audio controller over a network between a host PC and a remote user interface system by providing a...
US-8,335,526 Location and time specific mobile participation platform
A mobile participation platform enables a wireless network operator or third party to solicit response data related to a specific time and location specific...
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