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Class Information
Number: 381/56
Name: Electrical audio signal processing systems and devices > Monitoring of sound
Description: Subject matter having a qualitative (yes-no) indication dependent upon a parameter of sound waves, e.g., loudness, quality, etc.

Sub-classes under this class:

Class Number Class Name Patents
381/57 Amplification control responsive to ambient sound 285

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8712070 Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities Apr. 29, 2014
8712073 Method and apparatus for blind signal extraction Apr. 29, 2014
8712771 Automated difference recognition between speaking sounds and music Apr. 29, 2014
8712066 Audio signal clip detection Apr. 29, 2014
8705755 Statistical analysis of potential audio system configurations Apr. 22, 2014
8687816 Signal processing Apr. 1, 2014
8681998 Volume correction device, volume correction method, volume correction program, and electronic equipment Mar. 25, 2014
8675882 Sound signal processing device and method Mar. 18, 2014
8676571 Audio signal processing system and audio signal processing method Mar. 18, 2014
8675891 Power supply unit with noise reduction capability Mar. 18, 2014
8670569 Method for checking audio interface in AV system and apparatus using the same Mar. 11, 2014
8666093 Processing an audio input signal to produce a processed audio output signal Mar. 4, 2014
8654993 Portable audio device providing automated control of audio volume parameters for hearing protection Feb. 18, 2014
8654995 Audio control system for a vehicle Feb. 18, 2014
8655651 Method, computer, computer program and computer program product for speech quality estimation Feb. 18, 2014
8649530 Method and apparatus for canceling non-uniform radiation patterns in array speaker system Feb. 11, 2014
8644969 Content provisioning and revenue disbursement Feb. 4, 2014
8644517 System and method for automatic disabling and enabling of an acoustic beamformer Feb. 4, 2014
8641595 Automatic gain control for implanted microphone Feb. 4, 2014
8638945 Apparatus and method for encoding/decoding signal Jan. 28, 2014
8634564 Signal processing device and method, and a program Jan. 21, 2014
8634565 Audio signal processing apparatus, audio signal processing method, and program Jan. 21, 2014
8625812 Acoustic dampening compensation system Jan. 7, 2014
8618921 Method and system for identifying wet pavement using tire noise Dec. 31, 2013
8620000 Apparatus and method for controlling audio output, and mobile terminal system using the same Dec. 31, 2013
8620003 Embedded audio system in distributed acoustic sources Dec. 31, 2013
8615316 Method and an apparatus for processing an audio signal Dec. 24, 2013
8615092 Sound processing device, correcting device, correcting method and recording medium Dec. 24, 2013
8614733 Apparatus, system, and method of preventing leakage of information Dec. 24, 2013
8612031 Audio player and audio fast-forward playback method capable of high-speed fast-forward playback and allowing recognition of music pieces Dec. 17, 2013
8600065 Storage medium having breath detection program stored therein and breath detection apparatus Dec. 3, 2013
8600067 Acoustic sealing analysis system Dec. 3, 2013
8600075 Method for equalizing audio, and video apparatus using the same Dec. 3, 2013
8600531 Methods and apparatus for generating signatures Dec. 3, 2013
8594345 Automatic correction of loudness level in audio signals Nov. 26, 2013
8594764 Device and method for assessing the electrical potential of cells and method for manufacture of same Nov. 26, 2013
8588433 Electret microphone circuit Nov. 19, 2013
8588428 Dynamic power sharing in a multi-channel sound system Nov. 19, 2013
8588429 Sound device and sound control device Nov. 19, 2013
8583423 Method and arrangement for processing of speech quality estimate Nov. 12, 2013
8577051 Sound signal compensation apparatus and method thereof Nov. 5, 2013
8571224 System for estimating sound pressure levels at the tympanic membrane using pressure-minima based distance Oct. 29, 2013
8556717 Computer-readable storage medium having stored therein musical sound generation program, and musical sound generation apparatus Oct. 15, 2013
8553917 Method for actively reducing occlusion comprising plausibility check and corresponding hearing apparatus Oct. 8, 2013
8553916 Method and hearing aid for changing the sequence of program positions Oct. 8, 2013
8553905 Always on headwear recording system Oct. 8, 2013
8548173 Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus Oct. 1, 2013
8549552 Methods and apparatus to monitor media exposure in vehicles Oct. 1, 2013
8532309 Signal correction apparatus and signal correction method Sep. 10, 2013
8532308 Standing wave detection apparatus and method of controlling the same Sep. 10, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13

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