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Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/97
Name: Electrical audio signal processing systems and devices > Including phase control
Description: Subject matter with means to vary or maintain the phrase of an electrical signal relative to either another signal or a standard.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8705750 Device and method for converting spatial audio signal Apr. 22, 2014
8705757 Computationally efficient multi-resonator reverberation Apr. 22, 2014
8705760 Active noise control device Apr. 22, 2014
8705766 Information processing apparatus, information processing system, and method of controlling information processing apparatus Apr. 22, 2014
8660272 Parameter setting method and audio apparatus Feb. 25, 2014
8654992 Sound processing apparatus, method for correcting phase difference, and computer readable storage medium Feb. 18, 2014
8634564 Signal processing device and method, and a program Jan. 21, 2014
8630428 Display device and audio output device Jan. 14, 2014
8630727 Closed loop analog signal processor ("CLASP") system Jan. 14, 2014
8620012 Apparatus and method for providing stereo effect in portable terminal Dec. 31, 2013
8615092 Sound processing device, correcting device, correcting method and recording medium Dec. 24, 2013
8600071 Vehicle existence informing device and method for informing existence of a vehicle Dec. 3, 2013
8600443 Sensor network system for acquiring high quality speech signals and communication method therefor Dec. 3, 2013
8577065 Systems and methods for creating immersion surround sound and virtual speakers effects Nov. 5, 2013
8571226 Automatic polarity adaptation for ambient noise cancellation Oct. 29, 2013
8571232 Apparatus and method for a complete audio signal Oct. 29, 2013
8571233 Signal characteristic adjustment apparatus and signal characteristic adjustment method Oct. 29, 2013
8565445 Combining audio signals based on ranges of phase difference Oct. 22, 2013
8559654 Range finding audio system Oct. 15, 2013
8559661 Sound system and method of operation therefor Oct. 15, 2013
8553893 Sound processing device, speaker apparatus, and sound processing method Oct. 8, 2013
8520862 Audio system Aug. 27, 2013
8483411 Method and an apparatus for processing a signal Jul. 9, 2013
8484021 Apparatus for encoding/decoding multichannel signal and method thereof Jul. 9, 2013
8477964 Method and device for phase-sensitive processing of sound signals Jul. 2, 2013
8401201 Sound processing apparatus and method Mar. 19, 2013
8396233 Beam forming in spatialized audio sound systems using distributed array filters Mar. 12, 2013
8396226 Methods and systems for improved acoustic environment characterization Mar. 12, 2013
8396223 Method and an apparatus for processing an audio signal Mar. 12, 2013
8391498 Stereophonic widening Mar. 5, 2013
8391510 Sound reproduction system comprising a loudspeaker enclosure with ports, and associated processing circuit Mar. 5, 2013
8385556 Parametric stereo conversion system and method Feb. 26, 2013
8369533 Array speaker apparatus Feb. 5, 2013
8369536 Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers Feb. 5, 2013
8363851 Speaker array apparatus for forming surround sound field based on detected listening position and stored installation position information Jan. 29, 2013
8358790 Band-splitting time compensation signal processing device Jan. 22, 2013
8345892 Front surround sound reproduction system using beam forming speaker array and surround sound reproduction method thereof Jan. 1, 2013
8340321 Method and device for phase-sensitive processing of sound signals Dec. 25, 2012
8340322 Acoustic processing device Dec. 25, 2012
8325941 Method and apparatus to shape sound Dec. 4, 2012
8320584 Method and system for performing audio signal processing Nov. 27, 2012
8311238 Audio signal processing apparatus, and audio signal processing method Nov. 13, 2012
8306243 Audio device Nov. 6, 2012
8306242 Heyser spiral low frequency correction of FIR filters Nov. 6, 2012
8300846 Appratus and method for preventing noise Oct. 30, 2012
8300872 Method and device for detecting a displacement and movement of a sound producing unit of a woofer Oct. 30, 2012
8295500 Method and apparatus for controlling directional sound sources based on listening area Oct. 23, 2012
8295508 Processing an audio signal Oct. 23, 2012
8284954 BTSC encoder Oct. 9, 2012
8284952 Modeling of a microphone Oct. 9, 2012

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