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Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/307
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo speaker arrangement > Surround (i.e., front plus rear or side)
Description: Subject matter in which, in addition to having at least one transducer arranged forward of a listening position, at least one transducer is arranged laterally or to the back of the listening position.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8705778 Method and apparatus for generating and playing audio signals, and system for processing audio signals Apr. 22, 2014
8681997 Adaptive beamforming for audio and data applications Mar. 25, 2014
8675899 Front surround system and method for processing signal using speaker array Mar. 18, 2014
8670576 Method and an apparatus for processing an audio signal Mar. 11, 2014
8666014 Reproduction apparatus Mar. 4, 2014
8654997 Personal miniaturized loudspeaker placement platform Feb. 18, 2014
8654994 Method and an apparatus for processing an audio signal Feb. 18, 2014
8638945 Apparatus and method for encoding/decoding signal Jan. 28, 2014
8638947 Angle-dependent operating device or method for generating a pseudo-stereophonic audio signal Jan. 28, 2014
8638959 Reduced acoustic signature loudspeaker (RSL) Jan. 28, 2014
8624975 Audio module for a video surveillance system, video surveillance system and method for keeping a plurality of locations under surveillance Jan. 7, 2014
8620673 Audio decoding method and audio decoder Dec. 31, 2013
8611546 Method and apparatus for remotely switching noise reduction modes in a radio system Dec. 17, 2013
8594336 Sound image localization apparatus Nov. 26, 2013
8594350 Set-up method for array-type sound system Nov. 26, 2013
8577482 Device and method for generating an ambience signal Nov. 5, 2013
8565455 Multiple display systems with enhanced acoustics experience Oct. 22, 2013
8509464 Multi-channel audio enhancement system Aug. 13, 2013
8509463 Multi-mode sound reproduction system and a corresponding method thereof Aug. 13, 2013
8494183 Audio processing apparatus Jul. 23, 2013
8488819 Method and apparatus for processing a media signal Jul. 16, 2013
8472652 Audio reproduction system comprising narrow and wide directivity loudspeakers Jun. 25, 2013
8472631 Multi-channel audio enhancement system for use in recording playback and methods for providing same Jun. 25, 2013
8452028 Dynamic surround channel volume control May. 28, 2013
8442244 Surround sound system May. 14, 2013
RE44170 Audio output adjusting device of home theater system and method thereof Apr. 23, 2013
8391521 Audio reproduction apparatus and method Mar. 5, 2013
8369531 Audio reproducing apparatus and method thereof Feb. 5, 2013
8363843 Methods, modules, and computer-readable recording media for providing a multi-channel convolution reverb Jan. 29, 2013
8363865 Multiple channel sound system using multi-speaker arrays Jan. 29, 2013
8351612 Apparatus for generating and playing object based audio contents Jan. 8, 2013
8340313 Wireless digital transmission of low frequency effects and surround channels for surround sound system Dec. 25, 2012
8340330 Audio apparatus for wirelessly transmitting audio signal, audio system, and audio signal transmission method thereof Dec. 25, 2012
8335331 Multichannel sound rendering via virtualization in a stereo loudspeaker system Dec. 18, 2012
8332229 Low complexity MPEG encoding for surround sound recordings Dec. 11, 2012
8325936 Directionally radiating sound in a vehicle Dec. 4, 2012
8320590 Device, method, program, and system for canceling crosstalk when reproducing sound through plurality of speakers arranged around listener Nov. 27, 2012
8320592 Apparatus and method of reproducing virtual sound of two channels based on listener's position Nov. 27, 2012
8315403 Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus Nov. 20, 2012
8311249 Information processing apparatus, method and program Nov. 13, 2012
8300845 Electronic apparatus having microphones with controllable front-side gain and rear-side gain Oct. 30, 2012
8295496 Audio signal processing Oct. 23, 2012
8279357 System and methods for television with integrated sound projection system Oct. 2, 2012
8280076 System and method for audio system configuration Oct. 2, 2012
8280071 Voice output system and method Oct. 2, 2012
8274611 System and methods for television with integrated sound projection system Sep. 25, 2012
8275159 Media playback apparatus having speakers with rotatable connecting means Sep. 25, 2012
8275160 Delay time calculation apparatus, delay time calculation method, and storage medium storing program therefor Sep. 25, 2012
8270618 Compatible multi-channel coding/decoding Sep. 18, 2012
8270641 Multiple audio signal presentation system and method Sep. 18, 2012

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