System consisting of a microphone and a preamplifier

System consisting of a microphone and an amplifier

System for active noise control with adaptive speaker selection

System for adaptive processing of telephone voice signals

System for adaptively reducing noise in speech signals

System for analyzing human speech

System for and method of audio signal processing for...

System for assuring proper acoustic connection of a device...

System for audio related equipment management

System for audio signal processing

System for automatic compensation of low frequency audio...

System for automatic reception enhancement of hearing...

System for calibrating sound field

System for cardioid sound field generation from dissimilar...

System for computationally efficient active control of tonal...

System for continuous speech recognition through transition netw

System for controlling low frequency acoustical directivity patt

System for controlling remote speakers using centralized...

System for converting a voice signal to a pitch signal

System for conveying musical beat information to the hearing...