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Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/26
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo sound pickup device (microphone)
Description: Subject matter including a single transducer system for converting sound waves into two or more independent sound signals.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8712064 Signal processing device, signal processing method and program Apr. 29, 2014
8675882 Sound signal processing device and method Mar. 18, 2014
8638947 Angle-dependent operating device or method for generating a pseudo-stereophonic audio signal Jan. 28, 2014
8600741 Method of using microphone characteristics to optimize speech recognition performance Dec. 3, 2013
8588433 Electret microphone circuit Nov. 19, 2013
8577046 Apparatus for estimating sound source direction from correlation between spatial transfer functions of sound signals on separate channels Nov. 5, 2013
8565444 Detecting stereo and mono headset devices Oct. 22, 2013
8559643 Stereo microphone unit and stereo microphone Oct. 15, 2013
8553906 Apparatus for enabling karaoke Oct. 8, 2013
8526633 Acoustic apparatus Sep. 3, 2013
8526625 Stereo microphone Sep. 3, 2013
8498426 Headphone system for computer gaming Jul. 30, 2013
8494181 Method for providing a mute control function for multiple microphones connected to a computer Jul. 23, 2013
8477956 Howling suppression device, howling suppression method, program, and integrated circuit Jul. 2, 2013
8467549 Audio information processing apparatus and audio information processing method Jun. 18, 2013
8446126 Power bank apparatus with speaker May. 21, 2013
8442244 Surround sound system May. 14, 2013
8422690 Audio reproduction apparatus and control method for the same Apr. 16, 2013
8412285 Speaker module of portable terminal and method of execution of speakerphone mode using the same Apr. 2, 2013
8396242 Sound receiver Mar. 12, 2013
8391508 Method for reproducing natural or modified spatial impression in multichannel listening Mar. 5, 2013
8335321 Audio signal processing apparatus, audio signal processing method and imaging apparatus Dec. 18, 2012
8320600 Method and apparatus to enhance communication in the operating room Nov. 27, 2012
8315397 Microphone device and portable recorder comprising same Nov. 20, 2012
8315418 Sound receiver Nov. 20, 2012
8306236 Sound field measuring apparatus and sound field measuring method Nov. 6, 2012
8284951 Enhanced audio recording for smart pen computing systems Oct. 9, 2012
8270643 System and method for determining directionality of sound detected by as hearing aid Sep. 18, 2012
8265306 Digital microphone and power supply unit for a digital microphone Sep. 11, 2012
8238589 Objective quantification of auditory source width of a loudspeakers-room system Aug. 7, 2012
8238564 Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids Aug. 7, 2012
8223977 Sound receiver Jul. 17, 2012
8213623 Method to generate an output audio signal from two or more input audio signals Jul. 3, 2012
8194878 Dual streaming with exchange of FEC streams by audio sinks Jun. 5, 2012
8184814 Audio signal processing method and system May. 22, 2012
8184815 Microphone unit for stereophonic recording May. 22, 2012
8175286 Recording, synthesis and reproduction of sound fields in an enclosure May. 8, 2012
8170241 Mobile tele-presence system with a microphone system May. 1, 2012
8170220 Image sensing apparatus with selectably combinable microphone signals to obtain desired directivity May. 1, 2012
8160489 Karaoke device with integrated mixing, echo and volume control Apr. 17, 2012
8150061 Sound generating method, sound generating apparatus, sound reproducing method, and sound reproducing apparatus Apr. 3, 2012
8139776 Wireless receiving apparatus and electronic appliance Mar. 20, 2012
8116461 Sound volume automatic adjustment method and system Feb. 14, 2012
8116467 Method for manufacturing array microphones and system for categorizing microphones Feb. 14, 2012
8094834 Remote auditory spatial communication aid Jan. 10, 2012
8090109 Apparatus for processing audio signal and method thereof Jan. 3, 2012
8081773 Audio signal processing apparatus, audio signal processing method and imaging apparatus Dec. 20, 2011
8045840 Video-audio recording apparatus and method, and video-audio reproducing apparatus and method Oct. 25, 2011
8041051 Dual streaming with exchange of FEC streams by audio sinks Oct. 18, 2011
8041043 Processing microphone generated signals to generate surround sound Oct. 18, 2011

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