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Class Information
Number: 381/58
Name: Electrical audio signal processing systems and devices > Monitoring/measuring of audio devices
Description: Subject matter having an indicator, measuring device, or eavesdropping means.










Sub-classes under this class:

Class Number Class Name Patents
381/59 Loudspeaker operation 382
381/60 Testing of hearing aids 330


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8213630 Sound processing unit, sound processing system, audio output unit and display device Jul. 3, 2012
8214219 Speech communications system for a vehicle and method of operating a speech communications system for a vehicle Jul. 3, 2012
8208646 Audio filtration for content processing systems and methods Jun. 26, 2012
8208645 System and method for harmonizing calibration of audio between networked conference rooms Jun. 26, 2012
8208644 Earhealth monitoring system and method III Jun. 26, 2012
8204238 Systems and methods of sonic communication Jun. 19, 2012
8204248 Acoustic localization of a speaker Jun. 19, 2012
8199919 Earhealth monitoring system and method II Jun. 12, 2012
8199920 Personal computer based audio frequency impedance analyzer Jun. 12, 2012
8199941 Method of identifying speakers in a home theater system Jun. 12, 2012
8194869 Audio power management system Jun. 5, 2012
8194868 Loudspeaker system for virtual sound synthesis Jun. 5, 2012
8194867 Method for checking audio interface in AV system and apparatus using the same Jun. 5, 2012
8194866 Sound monitoring, data collection and advisory system Jun. 5, 2012
8194865 Method and device for sound detection and audio control Jun. 5, 2012
8194864 Earhealth monitoring system and method I Jun. 5, 2012
8190937 Method and system for managing the power state of an audio device integrated in a graphics device May. 29, 2012
8189807 Satellite microphone array for video conferencing May. 29, 2012
8189798 Method and system for controlling a maximum signal level output to headphones coupled to a wireless device May. 29, 2012
8184814 Audio signal processing method and system May. 22, 2012
8184834 Controller and user interface for dialogue enhancement techniques May. 22, 2012
8175298 Audio output system control method and audio output system May. 8, 2012
8175287 Sound device May. 8, 2012
8175286 Recording, synthesis and reproduction of sound fields in an enclosure May. 8, 2012
8175283 Sound analyzer based on a biomorphic design May. 8, 2012
8170222 Augmented reality enhanced audio May. 1, 2012
8165306 Information retrieving method, information retrieving device, information storing method and information storage device Apr. 24, 2012
8165307 Audio electronic device Apr. 24, 2012
8165316 Portable terminal Apr. 24, 2012
8155331 Sound source tracking system, method and robot Apr. 10, 2012
8155329 Method for monitoring outside sound through a closed window and device therefor Apr. 10, 2012
8155328 Sound reproducing apparatus Apr. 10, 2012
8155327 Tone detector and method used in a robot for detecting a tone Apr. 10, 2012
8155326 System, method, and apparatus for using the sound signature of a device to determine its operability Apr. 10, 2012
8155325 Sound quality display apparatus, sound quality display method, computer readable medium on which sound quality display program is recorded and sound camera Apr. 10, 2012
8150046 Audio jack for a portable electronic device Apr. 3, 2012
8150051 System and method for sound system simulation Apr. 3, 2012
8150066 Sound signal processing device, sound signal processing method, sound signal processing program, storage medium, and display device Apr. 3, 2012
8144883 Method and system for adapting a loudspeaker to a listening position in a room Mar. 27, 2012
8130978 Dynamic switching of microphone inputs for identification of a direction of a source of speech sounds Mar. 6, 2012
8130977 Cluster of first-order microphones and method of operation for stereo input of videoconferencing system Mar. 6, 2012
8130967 Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device Mar. 6, 2012
8126155 Remote audio device management system Feb. 28, 2012
8126156 Calibrating at least one system microphone Feb. 28, 2012
8121301 Earpiece, electronic device and communication device Feb. 21, 2012
8116467 Method for manufacturing array microphones and system for categorizing microphones Feb. 14, 2012
8116466 Apparatus and method for testing sound input and output of sound card Feb. 14, 2012
8116465 Measuring apparatus and method, and recording medium Feb. 14, 2012
8116461 Sound volume automatic adjustment method and system Feb. 14, 2012
8111074 Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment Feb. 7, 2012

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