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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 347
381/60 Testing of hearing aids 278


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

Patent Number Title Of Patent Date Issued
8073146 Audio test apparatus and test method thereof Dec. 6, 2011
8068025 Personal alerting device and method Nov. 29, 2011
8068616 Methods and systems for controlling noise cancellation Nov. 29, 2011
8065115 Method and system for identifying audible noise as wind noise in a hearing aid apparatus Nov. 22, 2011
8064614 Audio signal delivery management system, audio signal acquiring and transmitting apparatus, audio signal identifying and outputting apparatus, and audio signal delivering apparatus Nov. 22, 2011
8061473 Passive personal vocal monitor Nov. 22, 2011
8060224 Music genre judging device and game machine having the same Nov. 15, 2011
8054982 Sound signal generator testing apparatus Nov. 8, 2011
8054983 Method for parameter identification and parameter optimization of microspeakers Nov. 8, 2011
8054996 Video/audio output device and external speaker control apparatus Nov. 8, 2011
8050416 Sound channel detection circuit Nov. 1, 2011
8050413 System and method for conditioning a signal received at a MEMS based acquisition device Nov. 1, 2011
8045722 Method of and apparatus for controlling sound field through array speaker Oct. 25, 2011
8041044 Method and apparatus for checking a measuring situation in the case of a hearing apparatus Oct. 18, 2011
8036392 Method and device for determining an effective vent Oct. 11, 2011
8036393 Providing audio-guided deployment of data processing systems Oct. 11, 2011
8031881 Method and apparatus for microphone matching for wearable directional hearing device using wearer's own voice Oct. 4, 2011
8023666 Voice input support program, voice input support device, and voice input support method Sep. 20, 2011
8023665 Microphone-tailored equalizing system Sep. 20, 2011
8023661 Self-adjusting and self-modifying addressable speaker Sep. 20, 2011
8014537 Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device Sep. 6, 2011
7991164 Method for modifying the compatibility of an audio analyzing apparatus with an application program Aug. 2, 2011
7983430 System for hierarchical audio conflict control Jul. 19, 2011
7970155 Video/audio output device and external speaker control apparatus Jun. 28, 2011
7966085 Audio source system and method Jun. 21, 2011
7962231 Apparatus and method for providing data in a multi-renderer system Jun. 14, 2011
7961893 Measuring apparatus, measuring method, and sound signal processing apparatus Jun. 14, 2011
7961892 Apparatus and method for monitoring speaker cone displacement in an audio speaker Jun. 14, 2011
7961891 System and method of audio testing of acoustic devices Jun. 14, 2011
7956766 Apparatus operating system Jun. 7, 2011
7957540 Automobile audio system Jun. 7, 2011
7953233 Synchronous detection and calibration system and method for differential acoustic sensors May. 31, 2011
7953231 Audio output apparatus and audio processing system May. 31, 2011
7953229 Sound processor, sound reproducer, and sound processing method May. 31, 2011
7953228 Automatic audio systems for fire detection and diagnosis, and crew and person locating during fires May. 31, 2011
7949139 Technique for subwoofer distance measurement May. 24, 2011
7949140 Sound measuring apparatus and method, and audio signal processing apparatus May. 24, 2011
7936886 Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof May. 3, 2011
7933418 Sound reproducing apparatus and method of identifying positions of speakers Apr. 26, 2011
7929720 Position detecting system, speaker system, and user terminal apparatus Apr. 19, 2011
7929718 Systems and methods for switching and mixing signals in a multi-channel amplifier Apr. 19, 2011
7929710 Communication system for remote sound monitoring with ambiguous signal processing Apr. 19, 2011
7916874 Gain adjusting method and a gain adjusting device Mar. 29, 2011
7916875 Audio input-output module, plug-in device detection module and methods for use therewith Mar. 29, 2011
7908924 Sound focusing mechanism and method of estimating acoustic leakage of an object and method of estimating transmission loss of an object Mar. 22, 2011
7912226 Automatic measurement of audio presence and level by direct processing of an MPEG data stream Mar. 22, 2011
7884721 Devices for identifying and tracking wireless microphones Feb. 8, 2011
7882743 Method and system for noise dosimeter Feb. 8, 2011
7881479 Audio processing method and sound field reproducing system Feb. 1, 2011
7881485 Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece Feb. 1, 2011

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