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Class Information
Number: 381/303
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo speaker arrangement > Optimization
Description: Subject matter in which steps are taken to enhance the stereo listening effect, such as by enlarging the area in which stereo audibility is satisfactory (i.e., the "sweet point").

Sub-classes under this class:

Class Number Class Name Patents
381/305 Enclosure adaptation 43
381/304 Enclosure orientation 63

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8705755 Statistical analysis of potential audio system configurations Apr. 22, 2014
8705779 Surround sound virtualization apparatus and method 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
8634564 Signal processing device and method, and a program Jan. 21, 2014
8620012 Apparatus and method for providing stereo effect in portable terminal Dec. 31, 2013
8620010 Loudspeaker device Dec. 31, 2013
8577482 Device and method for generating an ambience signal Nov. 5, 2013
8565455 Multiple display systems with enhanced acoustics experience Oct. 22, 2013
8559661 Sound system and method of operation therefor Oct. 15, 2013
8526644 Beamforming system comprising a transducer assembly Sep. 3, 2013
8520857 Head-related transfer function measurement method, head-related transfer function convolution method, and head-related transfer function convolution device Aug. 27, 2013
8520862 Audio system Aug. 27, 2013
8520870 Transmission device and transmission method Aug. 27, 2013
8494190 Audio signal processing apparatus and audio signal processing method Jul. 23, 2013
8494189 Virtual sound source localization apparatus Jul. 23, 2013
8472632 Dynamic sweet spot tracking Jun. 25, 2013
8437485 Method and device for improved sound field rendering accuracy within a preferred listening area May. 7, 2013
8433085 Video and audio output system Apr. 30, 2013
RE44170 Audio output adjusting device of home theater system and method thereof Apr. 23, 2013
8422704 Speaker array apparatus and method for setting audio beams of speaker array apparatus Apr. 16, 2013
8411883 Loudspeaker apparatus and speaker system Apr. 2, 2013
8401210 System and method for dynamic control of audio playback based on the position of a listener Mar. 19, 2013
8396233 Beam forming in spatialized audio sound systems using distributed array filters Mar. 12, 2013
8379891 Loudspeaker array design Feb. 19, 2013
8369558 Cup-shaped portable speaker with music player adapter Feb. 5, 2013
8340303 Method and apparatus to generate spatial stereo sound Dec. 25, 2012
8335330 Methods and devices for audio upmixing Dec. 18, 2012
8331590 Delay time calculation apparatus and method Dec. 11, 2012
8326360 Method and system for the configuration of a mobile station baseband circuit for an acoustic accessory Dec. 4, 2012
8290197 Electrostatic speaker systems and methods Oct. 16, 2012
8279357 System and methods for television with integrated sound projection system 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
8270642 Method and system for producing a binaural impression using loudspeakers Sep. 18, 2012
8270620 Method of performing measurements by means of an audio system comprising passive loudspeakers Sep. 18, 2012
8265283 Acoustic processing device and acoustic processing method Sep. 11, 2012
8249283 Three-dimensional acoustic panning device Aug. 21, 2012
8238589 Objective quantification of auditory source width of a loudspeakers-room system Aug. 7, 2012
8233645 Audio signal output apparatus, audio signal output method, program, and recording medium Jul. 31, 2012
8223999 Speaker configuration Jul. 17, 2012
8213632 Electroacoustic transducer and ear speaker device Jul. 3, 2012
8204260 Speaker apparatus, speaker driving apparatus and control method thereof Jun. 19, 2012
8199941 Method of identifying speakers in a home theater system Jun. 12, 2012
8189825 Sound management techniques for vehicles May. 29, 2012
8184835 Transducer array with nonuniform asymmetric spacing and method for configuring array May. 22, 2012
8180079 Method and apparatus for setting a hearing device May. 15, 2012
8175284 Method and apparatus for calibrating sound-reproducing equipment May. 8, 2012
8175303 Electronic apparatus for vehicle, and method and system for optimally correcting sound field in vehicle May. 8, 2012

1 2 3 4

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