Electro-acoustic transducer assembly
Electronic noise-reducing system
Fetal speaker system and support belt for maternal wear
Fireman's safety apparatus
Hair dryer with integral stereo audio system
Headset for ambient noise suppression
High gain acoustic transducer
Intelligent automatic threshold circuit
Isolator circuit for an audio system
Loudspeaker thermal management structure
Low sound region reproducing speaker system
Method and apparatus for audio signal processing
Method and apparatus for evaluating audio distortion
Method and apparatus for improving voice intelligibility in high
Method and apparatus for suppressing interference in a signal, i
Method and apparatus for suppressing noise in a communication sy
Method and structure for synchronizing multiple, independently g
Method for eliminating unwanted acoustic signals in audio progra
Method of and device for detecting pulsatory interference signal
Method of estimating delay in noise-affected voice channels